1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <drm/drm_edid.h>
25#include <drm/drm_fourcc.h>
26#include <drm/drm_modeset_helper.h>
27#include <drm/drm_modeset_helper_vtables.h>
28#include <drm/drm_vblank.h>
29
30#include "amdgpu.h"
31#include "amdgpu_pm.h"
32#include "amdgpu_i2c.h"
33#include "vid.h"
34#include "atom.h"
35#include "amdgpu_atombios.h"
36#include "atombios_crtc.h"
37#include "atombios_encoders.h"
38#include "amdgpu_pll.h"
39#include "amdgpu_connectors.h"
40#include "amdgpu_display.h"
41#include "dce_v11_0.h"
42
43#include "dce/dce_11_0_d.h"
44#include "dce/dce_11_0_sh_mask.h"
45#include "dce/dce_11_0_enum.h"
46#include "oss/oss_3_0_d.h"
47#include "oss/oss_3_0_sh_mask.h"
48#include "gmc/gmc_8_1_d.h"
49#include "gmc/gmc_8_1_sh_mask.h"
50
51#include "ivsrcid/ivsrcid_vislands30.h"
52
53static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
54static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
55static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev, int hpd);
56
57static const u32 crtc_offsets[] =
58{
59	CRTC0_REGISTER_OFFSET,
60	CRTC1_REGISTER_OFFSET,
61	CRTC2_REGISTER_OFFSET,
62	CRTC3_REGISTER_OFFSET,
63	CRTC4_REGISTER_OFFSET,
64	CRTC5_REGISTER_OFFSET,
65	CRTC6_REGISTER_OFFSET
66};
67
68static const u32 hpd_offsets[] =
69{
70	HPD0_REGISTER_OFFSET,
71	HPD1_REGISTER_OFFSET,
72	HPD2_REGISTER_OFFSET,
73	HPD3_REGISTER_OFFSET,
74	HPD4_REGISTER_OFFSET,
75	HPD5_REGISTER_OFFSET
76};
77
78static const uint32_t dig_offsets[] = {
79	DIG0_REGISTER_OFFSET,
80	DIG1_REGISTER_OFFSET,
81	DIG2_REGISTER_OFFSET,
82	DIG3_REGISTER_OFFSET,
83	DIG4_REGISTER_OFFSET,
84	DIG5_REGISTER_OFFSET,
85	DIG6_REGISTER_OFFSET,
86	DIG7_REGISTER_OFFSET,
87	DIG8_REGISTER_OFFSET
88};
89
90static const struct {
91	uint32_t        reg;
92	uint32_t        vblank;
93	uint32_t        vline;
94	uint32_t        hpd;
95
96} interrupt_status_offsets[] = { {
97	.reg = mmDISP_INTERRUPT_STATUS,
98	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
99	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
100	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
101}, {
102	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
103	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
104	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
105	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
106}, {
107	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
108	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
109	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
110	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
111}, {
112	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
113	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
114	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
115	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
116}, {
117	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
118	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
119	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
120	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
121}, {
122	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
123	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
124	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
125	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
126} };
127
128static const u32 cz_golden_settings_a11[] =
129{
130	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
131	mmFBC_MISC, 0x1f311fff, 0x14300000,
132};
133
134static const u32 cz_mgcg_cgcg_init[] =
135{
136	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
137	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
138};
139
140static const u32 stoney_golden_settings_a11[] =
141{
142	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
143	mmFBC_MISC, 0x1f311fff, 0x14302000,
144};
145
146static const u32 polaris11_golden_settings_a11[] =
147{
148	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
149	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
150	mmFBC_DEBUG1, 0xffffffff, 0x00000008,
151	mmFBC_MISC, 0x9f313fff, 0x14302008,
152	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
153};
154
155static const u32 polaris10_golden_settings_a11[] =
156{
157	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
158	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
159	mmFBC_MISC, 0x9f313fff, 0x14302008,
160	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
161};
162
163static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
164{
165	switch (adev->asic_type) {
166	case CHIP_CARRIZO:
167		amdgpu_device_program_register_sequence(adev,
168							cz_mgcg_cgcg_init,
169							ARRAY_SIZE(cz_mgcg_cgcg_init));
170		amdgpu_device_program_register_sequence(adev,
171							cz_golden_settings_a11,
172							ARRAY_SIZE(cz_golden_settings_a11));
173		break;
174	case CHIP_STONEY:
175		amdgpu_device_program_register_sequence(adev,
176							stoney_golden_settings_a11,
177							ARRAY_SIZE(stoney_golden_settings_a11));
178		break;
179	case CHIP_POLARIS11:
180	case CHIP_POLARIS12:
181		amdgpu_device_program_register_sequence(adev,
182							polaris11_golden_settings_a11,
183							ARRAY_SIZE(polaris11_golden_settings_a11));
184		break;
185	case CHIP_POLARIS10:
186	case CHIP_VEGAM:
187		amdgpu_device_program_register_sequence(adev,
188							polaris10_golden_settings_a11,
189							ARRAY_SIZE(polaris10_golden_settings_a11));
190		break;
191	default:
192		break;
193	}
194}
195
196static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
197				     u32 block_offset, u32 reg)
198{
199	unsigned long flags;
200	u32 r;
201
202	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
203	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
204	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
205	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
206
207	return r;
208}
209
210static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
211				      u32 block_offset, u32 reg, u32 v)
212{
213	unsigned long flags;
214
215	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
216	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
217	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
218	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
219}
220
221static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
222{
223	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
224		return 0;
225	else
226		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
227}
228
229static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
230{
231	unsigned i;
232
233	/* Enable pflip interrupts */
234	for (i = 0; i < adev->mode_info.num_crtc; i++)
235		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
236}
237
238static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
239{
240	unsigned i;
241
242	/* Disable pflip interrupts */
243	for (i = 0; i < adev->mode_info.num_crtc; i++)
244		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
245}
246
247/**
248 * dce_v11_0_page_flip - pageflip callback.
249 *
250 * @adev: amdgpu_device pointer
251 * @crtc_id: crtc to cleanup pageflip on
252 * @crtc_base: new address of the crtc (GPU MC address)
253 * @async: asynchronous flip
254 *
255 * Triggers the actual pageflip by updating the primary
256 * surface base address.
257 */
258static void dce_v11_0_page_flip(struct amdgpu_device *adev,
259				int crtc_id, u64 crtc_base, bool async)
260{
261	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
262	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
263	u32 tmp;
264
265	/* flip immediate for async, default is vsync */
266	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
267	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
268			    GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
269	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
270	/* update pitch */
271	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
272	       fb->pitches[0] / fb->format->cpp[0]);
273	/* update the scanout addresses */
274	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
275	       upper_32_bits(crtc_base));
276	/* writing to the low address triggers the update */
277	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
278	       lower_32_bits(crtc_base));
279	/* post the write */
280	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
281}
282
283static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
284					u32 *vbl, u32 *position)
285{
286	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
287		return -EINVAL;
288
289	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
290	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
291
292	return 0;
293}
294
295/**
296 * dce_v11_0_hpd_sense - hpd sense callback.
297 *
298 * @adev: amdgpu_device pointer
299 * @hpd: hpd (hotplug detect) pin
300 *
301 * Checks if a digital monitor is connected (evergreen+).
302 * Returns true if connected, false if not connected.
303 */
304static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
305			       enum amdgpu_hpd_id hpd)
306{
307	bool connected = false;
308
309	if (hpd >= adev->mode_info.num_hpd)
310		return connected;
311
312	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
313	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
314		connected = true;
315
316	return connected;
317}
318
319/**
320 * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
321 *
322 * @adev: amdgpu_device pointer
323 * @hpd: hpd (hotplug detect) pin
324 *
325 * Set the polarity of the hpd pin (evergreen+).
326 */
327static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
328				      enum amdgpu_hpd_id hpd)
329{
330	u32 tmp;
331	bool connected = dce_v11_0_hpd_sense(adev, hpd);
332
333	if (hpd >= adev->mode_info.num_hpd)
334		return;
335
336	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
337	if (connected)
338		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
339	else
340		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
341	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
342}
343
344/**
345 * dce_v11_0_hpd_init - hpd setup callback.
346 *
347 * @adev: amdgpu_device pointer
348 *
349 * Setup the hpd pins used by the card (evergreen+).
350 * Enable the pin, set the polarity, and enable the hpd interrupts.
351 */
352static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
353{
354	struct drm_device *dev = adev_to_drm(adev);
355	struct drm_connector *connector;
356	struct drm_connector_list_iter iter;
357	u32 tmp;
358
359	drm_connector_list_iter_begin(dev, &iter);
360	drm_for_each_connector_iter(connector, &iter) {
361		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
362
363		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
364			continue;
365
366		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
367		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
368			/* don't try to enable hpd on eDP or LVDS avoid breaking the
369			 * aux dp channel on imac and help (but not completely fix)
370			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
371			 * also avoid interrupt storms during dpms.
372			 */
373			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
374			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
375			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
376			continue;
377		}
378
379		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
380		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
381		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
382
383		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
384		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
385				    DC_HPD_CONNECT_INT_DELAY,
386				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
387		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
388				    DC_HPD_DISCONNECT_INT_DELAY,
389				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
390		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
391
392		dce_v11_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
393		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
394		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
395	}
396	drm_connector_list_iter_end(&iter);
397}
398
399/**
400 * dce_v11_0_hpd_fini - hpd tear down callback.
401 *
402 * @adev: amdgpu_device pointer
403 *
404 * Tear down the hpd pins used by the card (evergreen+).
405 * Disable the hpd interrupts.
406 */
407static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
408{
409	struct drm_device *dev = adev_to_drm(adev);
410	struct drm_connector *connector;
411	struct drm_connector_list_iter iter;
412	u32 tmp;
413
414	drm_connector_list_iter_begin(dev, &iter);
415	drm_for_each_connector_iter(connector, &iter) {
416		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
417
418		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
419			continue;
420
421		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
422		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
423		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
424
425		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
426	}
427	drm_connector_list_iter_end(&iter);
428}
429
430static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
431{
432	return mmDC_GPIO_HPD_A;
433}
434
435static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
436{
437	u32 crtc_hung = 0;
438	u32 crtc_status[6];
439	u32 i, j, tmp;
440
441	for (i = 0; i < adev->mode_info.num_crtc; i++) {
442		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
443		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
444			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
445			crtc_hung |= (1 << i);
446		}
447	}
448
449	for (j = 0; j < 10; j++) {
450		for (i = 0; i < adev->mode_info.num_crtc; i++) {
451			if (crtc_hung & (1 << i)) {
452				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
453				if (tmp != crtc_status[i])
454					crtc_hung &= ~(1 << i);
455			}
456		}
457		if (crtc_hung == 0)
458			return false;
459		udelay(100);
460	}
461
462	return true;
463}
464
465static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
466					   bool render)
467{
468	u32 tmp;
469
470	/* Lockout access through VGA aperture*/
471	tmp = RREG32(mmVGA_HDP_CONTROL);
472	if (render)
473		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
474	else
475		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
476	WREG32(mmVGA_HDP_CONTROL, tmp);
477
478	/* disable VGA render */
479	tmp = RREG32(mmVGA_RENDER_CONTROL);
480	if (render)
481		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
482	else
483		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
484	WREG32(mmVGA_RENDER_CONTROL, tmp);
485}
486
487static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
488{
489	int num_crtc = 0;
490
491	switch (adev->asic_type) {
492	case CHIP_CARRIZO:
493		num_crtc = 3;
494		break;
495	case CHIP_STONEY:
496		num_crtc = 2;
497		break;
498	case CHIP_POLARIS10:
499	case CHIP_VEGAM:
500		num_crtc = 6;
501		break;
502	case CHIP_POLARIS11:
503	case CHIP_POLARIS12:
504		num_crtc = 5;
505		break;
506	default:
507		num_crtc = 0;
508	}
509	return num_crtc;
510}
511
512void dce_v11_0_disable_dce(struct amdgpu_device *adev)
513{
514	/*Disable VGA render and enabled crtc, if has DCE engine*/
515	if (amdgpu_atombios_has_dce_engine_info(adev)) {
516		u32 tmp;
517		int crtc_enabled, i;
518
519		dce_v11_0_set_vga_render_state(adev, false);
520
521		/*Disable crtc*/
522		for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
523			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
524									 CRTC_CONTROL, CRTC_MASTER_EN);
525			if (crtc_enabled) {
526				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
527				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
528				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
529				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
530				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
531			}
532		}
533	}
534}
535
536static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
537{
538	struct drm_device *dev = encoder->dev;
539	struct amdgpu_device *adev = drm_to_adev(dev);
540	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
541	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
542	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
543	int bpc = 0;
544	u32 tmp = 0;
545	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
546
547	if (connector) {
548		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
549		bpc = amdgpu_connector_get_monitor_bpc(connector);
550		dither = amdgpu_connector->dither;
551	}
552
553	/* LVDS/eDP FMT is set up by atom */
554	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
555		return;
556
557	/* not needed for analog */
558	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
559	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
560		return;
561
562	if (bpc == 0)
563		return;
564
565	switch (bpc) {
566	case 6:
567		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
568			/* XXX sort out optimal dither settings */
569			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
570			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
571			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
572			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
573		} else {
574			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
575			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
576		}
577		break;
578	case 8:
579		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
580			/* XXX sort out optimal dither settings */
581			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
582			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
583			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
584			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
585			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
586		} else {
587			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
588			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
589		}
590		break;
591	case 10:
592		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
593			/* XXX sort out optimal dither settings */
594			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
595			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
596			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
597			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
598			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
599		} else {
600			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
601			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
602		}
603		break;
604	default:
605		/* not needed */
606		break;
607	}
608
609	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
610}
611
612
613/* display watermark setup */
614/**
615 * dce_v11_0_line_buffer_adjust - Set up the line buffer
616 *
617 * @adev: amdgpu_device pointer
618 * @amdgpu_crtc: the selected display controller
619 * @mode: the current display mode on the selected display
620 * controller
621 *
622 * Setup up the line buffer allocation for
623 * the selected display controller (CIK).
624 * Returns the line buffer size in pixels.
625 */
626static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
627				       struct amdgpu_crtc *amdgpu_crtc,
628				       struct drm_display_mode *mode)
629{
630	u32 tmp, buffer_alloc, i, mem_cfg;
631	u32 pipe_offset = amdgpu_crtc->crtc_id;
632	/*
633	 * Line Buffer Setup
634	 * There are 6 line buffers, one for each display controllers.
635	 * There are 3 partitions per LB. Select the number of partitions
636	 * to enable based on the display width.  For display widths larger
637	 * than 4096, you need use to use 2 display controllers and combine
638	 * them using the stereo blender.
639	 */
640	if (amdgpu_crtc->base.enabled && mode) {
641		if (mode->crtc_hdisplay < 1920) {
642			mem_cfg = 1;
643			buffer_alloc = 2;
644		} else if (mode->crtc_hdisplay < 2560) {
645			mem_cfg = 2;
646			buffer_alloc = 2;
647		} else if (mode->crtc_hdisplay < 4096) {
648			mem_cfg = 0;
649			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
650		} else {
651			DRM_DEBUG_KMS("Mode too big for LB!\n");
652			mem_cfg = 0;
653			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
654		}
655	} else {
656		mem_cfg = 1;
657		buffer_alloc = 0;
658	}
659
660	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
661	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
662	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
663
664	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
665	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
666	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
667
668	for (i = 0; i < adev->usec_timeout; i++) {
669		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
670		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
671			break;
672		udelay(1);
673	}
674
675	if (amdgpu_crtc->base.enabled && mode) {
676		switch (mem_cfg) {
677		case 0:
678		default:
679			return 4096 * 2;
680		case 1:
681			return 1920 * 2;
682		case 2:
683			return 2560 * 2;
684		}
685	}
686
687	/* controller not enabled, so no lb used */
688	return 0;
689}
690
691/**
692 * cik_get_number_of_dram_channels - get the number of dram channels
693 *
694 * @adev: amdgpu_device pointer
695 *
696 * Look up the number of video ram channels (CIK).
697 * Used for display watermark bandwidth calculations
698 * Returns the number of dram channels
699 */
700static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
701{
702	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
703
704	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
705	case 0:
706	default:
707		return 1;
708	case 1:
709		return 2;
710	case 2:
711		return 4;
712	case 3:
713		return 8;
714	case 4:
715		return 3;
716	case 5:
717		return 6;
718	case 6:
719		return 10;
720	case 7:
721		return 12;
722	case 8:
723		return 16;
724	}
725}
726
727struct dce10_wm_params {
728	u32 dram_channels; /* number of dram channels */
729	u32 yclk;          /* bandwidth per dram data pin in kHz */
730	u32 sclk;          /* engine clock in kHz */
731	u32 disp_clk;      /* display clock in kHz */
732	u32 src_width;     /* viewport width */
733	u32 active_time;   /* active display time in ns */
734	u32 blank_time;    /* blank time in ns */
735	bool interlaced;    /* mode is interlaced */
736	fixed20_12 vsc;    /* vertical scale ratio */
737	u32 num_heads;     /* number of active crtcs */
738	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
739	u32 lb_size;       /* line buffer allocated to pipe */
740	u32 vtaps;         /* vertical scaler taps */
741};
742
743/**
744 * dce_v11_0_dram_bandwidth - get the dram bandwidth
745 *
746 * @wm: watermark calculation data
747 *
748 * Calculate the raw dram bandwidth (CIK).
749 * Used for display watermark bandwidth calculations
750 * Returns the dram bandwidth in MBytes/s
751 */
752static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
753{
754	/* Calculate raw DRAM Bandwidth */
755	fixed20_12 dram_efficiency; /* 0.7 */
756	fixed20_12 yclk, dram_channels, bandwidth;
757	fixed20_12 a;
758
759	a.full = dfixed_const(1000);
760	yclk.full = dfixed_const(wm->yclk);
761	yclk.full = dfixed_div(yclk, a);
762	dram_channels.full = dfixed_const(wm->dram_channels * 4);
763	a.full = dfixed_const(10);
764	dram_efficiency.full = dfixed_const(7);
765	dram_efficiency.full = dfixed_div(dram_efficiency, a);
766	bandwidth.full = dfixed_mul(dram_channels, yclk);
767	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
768
769	return dfixed_trunc(bandwidth);
770}
771
772/**
773 * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
774 *
775 * @wm: watermark calculation data
776 *
777 * Calculate the dram bandwidth used for display (CIK).
778 * Used for display watermark bandwidth calculations
779 * Returns the dram bandwidth for display in MBytes/s
780 */
781static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
782{
783	/* Calculate DRAM Bandwidth and the part allocated to display. */
784	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
785	fixed20_12 yclk, dram_channels, bandwidth;
786	fixed20_12 a;
787
788	a.full = dfixed_const(1000);
789	yclk.full = dfixed_const(wm->yclk);
790	yclk.full = dfixed_div(yclk, a);
791	dram_channels.full = dfixed_const(wm->dram_channels * 4);
792	a.full = dfixed_const(10);
793	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
794	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
795	bandwidth.full = dfixed_mul(dram_channels, yclk);
796	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
797
798	return dfixed_trunc(bandwidth);
799}
800
801/**
802 * dce_v11_0_data_return_bandwidth - get the data return bandwidth
803 *
804 * @wm: watermark calculation data
805 *
806 * Calculate the data return bandwidth used for display (CIK).
807 * Used for display watermark bandwidth calculations
808 * Returns the data return bandwidth in MBytes/s
809 */
810static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
811{
812	/* Calculate the display Data return Bandwidth */
813	fixed20_12 return_efficiency; /* 0.8 */
814	fixed20_12 sclk, bandwidth;
815	fixed20_12 a;
816
817	a.full = dfixed_const(1000);
818	sclk.full = dfixed_const(wm->sclk);
819	sclk.full = dfixed_div(sclk, a);
820	a.full = dfixed_const(10);
821	return_efficiency.full = dfixed_const(8);
822	return_efficiency.full = dfixed_div(return_efficiency, a);
823	a.full = dfixed_const(32);
824	bandwidth.full = dfixed_mul(a, sclk);
825	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
826
827	return dfixed_trunc(bandwidth);
828}
829
830/**
831 * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
832 *
833 * @wm: watermark calculation data
834 *
835 * Calculate the dmif bandwidth used for display (CIK).
836 * Used for display watermark bandwidth calculations
837 * Returns the dmif bandwidth in MBytes/s
838 */
839static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
840{
841	/* Calculate the DMIF Request Bandwidth */
842	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
843	fixed20_12 disp_clk, bandwidth;
844	fixed20_12 a, b;
845
846	a.full = dfixed_const(1000);
847	disp_clk.full = dfixed_const(wm->disp_clk);
848	disp_clk.full = dfixed_div(disp_clk, a);
849	a.full = dfixed_const(32);
850	b.full = dfixed_mul(a, disp_clk);
851
852	a.full = dfixed_const(10);
853	disp_clk_request_efficiency.full = dfixed_const(8);
854	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
855
856	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
857
858	return dfixed_trunc(bandwidth);
859}
860
861/**
862 * dce_v11_0_available_bandwidth - get the min available bandwidth
863 *
864 * @wm: watermark calculation data
865 *
866 * Calculate the min available bandwidth used for display (CIK).
867 * Used for display watermark bandwidth calculations
868 * Returns the min available bandwidth in MBytes/s
869 */
870static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
871{
872	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
873	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
874	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
875	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
876
877	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
878}
879
880/**
881 * dce_v11_0_average_bandwidth - get the average available bandwidth
882 *
883 * @wm: watermark calculation data
884 *
885 * Calculate the average available bandwidth used for display (CIK).
886 * Used for display watermark bandwidth calculations
887 * Returns the average available bandwidth in MBytes/s
888 */
889static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
890{
891	/* Calculate the display mode Average Bandwidth
892	 * DisplayMode should contain the source and destination dimensions,
893	 * timing, etc.
894	 */
895	fixed20_12 bpp;
896	fixed20_12 line_time;
897	fixed20_12 src_width;
898	fixed20_12 bandwidth;
899	fixed20_12 a;
900
901	a.full = dfixed_const(1000);
902	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
903	line_time.full = dfixed_div(line_time, a);
904	bpp.full = dfixed_const(wm->bytes_per_pixel);
905	src_width.full = dfixed_const(wm->src_width);
906	bandwidth.full = dfixed_mul(src_width, bpp);
907	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
908	bandwidth.full = dfixed_div(bandwidth, line_time);
909
910	return dfixed_trunc(bandwidth);
911}
912
913/**
914 * dce_v11_0_latency_watermark - get the latency watermark
915 *
916 * @wm: watermark calculation data
917 *
918 * Calculate the latency watermark (CIK).
919 * Used for display watermark bandwidth calculations
920 * Returns the latency watermark in ns
921 */
922static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
923{
924	/* First calculate the latency in ns */
925	u32 mc_latency = 2000; /* 2000 ns. */
926	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
927	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
928	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
929	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
930	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
931		(wm->num_heads * cursor_line_pair_return_time);
932	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
933	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
934	u32 tmp, dmif_size = 12288;
935	fixed20_12 a, b, c;
936
937	if (wm->num_heads == 0)
938		return 0;
939
940	a.full = dfixed_const(2);
941	b.full = dfixed_const(1);
942	if ((wm->vsc.full > a.full) ||
943	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
944	    (wm->vtaps >= 5) ||
945	    ((wm->vsc.full >= a.full) && wm->interlaced))
946		max_src_lines_per_dst_line = 4;
947	else
948		max_src_lines_per_dst_line = 2;
949
950	a.full = dfixed_const(available_bandwidth);
951	b.full = dfixed_const(wm->num_heads);
952	a.full = dfixed_div(a, b);
953	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
954	tmp = min(dfixed_trunc(a), tmp);
955
956	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
957
958	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
959	b.full = dfixed_const(1000);
960	c.full = dfixed_const(lb_fill_bw);
961	b.full = dfixed_div(c, b);
962	a.full = dfixed_div(a, b);
963	line_fill_time = dfixed_trunc(a);
964
965	if (line_fill_time < wm->active_time)
966		return latency;
967	else
968		return latency + (line_fill_time - wm->active_time);
969
970}
971
972/**
973 * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
974 * average and available dram bandwidth
975 *
976 * @wm: watermark calculation data
977 *
978 * Check if the display average bandwidth fits in the display
979 * dram bandwidth (CIK).
980 * Used for display watermark bandwidth calculations
981 * Returns true if the display fits, false if not.
982 */
983static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
984{
985	if (dce_v11_0_average_bandwidth(wm) <=
986	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
987		return true;
988	else
989		return false;
990}
991
992/**
993 * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
994 * average and available bandwidth
995 *
996 * @wm: watermark calculation data
997 *
998 * Check if the display average bandwidth fits in the display
999 * available bandwidth (CIK).
1000 * Used for display watermark bandwidth calculations
1001 * Returns true if the display fits, false if not.
1002 */
1003static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1004{
1005	if (dce_v11_0_average_bandwidth(wm) <=
1006	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1007		return true;
1008	else
1009		return false;
1010}
1011
1012/**
1013 * dce_v11_0_check_latency_hiding - check latency hiding
1014 *
1015 * @wm: watermark calculation data
1016 *
1017 * Check latency hiding (CIK).
1018 * Used for display watermark bandwidth calculations
1019 * Returns true if the display fits, false if not.
1020 */
1021static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1022{
1023	u32 lb_partitions = wm->lb_size / wm->src_width;
1024	u32 line_time = wm->active_time + wm->blank_time;
1025	u32 latency_tolerant_lines;
1026	u32 latency_hiding;
1027	fixed20_12 a;
1028
1029	a.full = dfixed_const(1);
1030	if (wm->vsc.full > a.full)
1031		latency_tolerant_lines = 1;
1032	else {
1033		if (lb_partitions <= (wm->vtaps + 1))
1034			latency_tolerant_lines = 1;
1035		else
1036			latency_tolerant_lines = 2;
1037	}
1038
1039	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1040
1041	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1042		return true;
1043	else
1044		return false;
1045}
1046
1047/**
1048 * dce_v11_0_program_watermarks - program display watermarks
1049 *
1050 * @adev: amdgpu_device pointer
1051 * @amdgpu_crtc: the selected display controller
1052 * @lb_size: line buffer size
1053 * @num_heads: number of display controllers in use
1054 *
1055 * Calculate and program the display watermarks for the
1056 * selected display controller (CIK).
1057 */
1058static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1059					struct amdgpu_crtc *amdgpu_crtc,
1060					u32 lb_size, u32 num_heads)
1061{
1062	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1063	struct dce10_wm_params wm_low, wm_high;
1064	u32 active_time;
1065	u32 line_time = 0;
1066	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1067	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1068
1069	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1070		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1071					    (u32)mode->clock);
1072		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1073					  (u32)mode->clock);
1074		line_time = min_t(u32, line_time, 65535);
1075
1076		/* watermark for high clocks */
1077		if (adev->pm.dpm_enabled) {
1078			wm_high.yclk =
1079				amdgpu_dpm_get_mclk(adev, false) * 10;
1080			wm_high.sclk =
1081				amdgpu_dpm_get_sclk(adev, false) * 10;
1082		} else {
1083			wm_high.yclk = adev->pm.current_mclk * 10;
1084			wm_high.sclk = adev->pm.current_sclk * 10;
1085		}
1086
1087		wm_high.disp_clk = mode->clock;
1088		wm_high.src_width = mode->crtc_hdisplay;
1089		wm_high.active_time = active_time;
1090		wm_high.blank_time = line_time - wm_high.active_time;
1091		wm_high.interlaced = false;
1092		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1093			wm_high.interlaced = true;
1094		wm_high.vsc = amdgpu_crtc->vsc;
1095		wm_high.vtaps = 1;
1096		if (amdgpu_crtc->rmx_type != RMX_OFF)
1097			wm_high.vtaps = 2;
1098		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1099		wm_high.lb_size = lb_size;
1100		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1101		wm_high.num_heads = num_heads;
1102
1103		/* set for high clocks */
1104		latency_watermark_a = min_t(u32, dce_v11_0_latency_watermark(&wm_high), 65535);
1105
1106		/* possibly force display priority to high */
1107		/* should really do this at mode validation time... */
1108		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1109		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1110		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1111		    (adev->mode_info.disp_priority == 2)) {
1112			DRM_DEBUG_KMS("force priority to high\n");
1113		}
1114
1115		/* watermark for low clocks */
1116		if (adev->pm.dpm_enabled) {
1117			wm_low.yclk =
1118				amdgpu_dpm_get_mclk(adev, true) * 10;
1119			wm_low.sclk =
1120				amdgpu_dpm_get_sclk(adev, true) * 10;
1121		} else {
1122			wm_low.yclk = adev->pm.current_mclk * 10;
1123			wm_low.sclk = adev->pm.current_sclk * 10;
1124		}
1125
1126		wm_low.disp_clk = mode->clock;
1127		wm_low.src_width = mode->crtc_hdisplay;
1128		wm_low.active_time = active_time;
1129		wm_low.blank_time = line_time - wm_low.active_time;
1130		wm_low.interlaced = false;
1131		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1132			wm_low.interlaced = true;
1133		wm_low.vsc = amdgpu_crtc->vsc;
1134		wm_low.vtaps = 1;
1135		if (amdgpu_crtc->rmx_type != RMX_OFF)
1136			wm_low.vtaps = 2;
1137		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1138		wm_low.lb_size = lb_size;
1139		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1140		wm_low.num_heads = num_heads;
1141
1142		/* set for low clocks */
1143		latency_watermark_b = min_t(u32, dce_v11_0_latency_watermark(&wm_low), 65535);
1144
1145		/* possibly force display priority to high */
1146		/* should really do this at mode validation time... */
1147		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1148		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1149		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1150		    (adev->mode_info.disp_priority == 2)) {
1151			DRM_DEBUG_KMS("force priority to high\n");
1152		}
1153		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1154	}
1155
1156	/* select wm A */
1157	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1158	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1159	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1160	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1161	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1162	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1163	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1164	/* select wm B */
1165	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1166	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1167	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1168	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1169	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1170	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1171	/* restore original selection */
1172	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1173
1174	/* save values for DPM */
1175	amdgpu_crtc->line_time = line_time;
1176	amdgpu_crtc->wm_high = latency_watermark_a;
1177	amdgpu_crtc->wm_low = latency_watermark_b;
1178	/* Save number of lines the linebuffer leads before the scanout */
1179	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1180}
1181
1182/**
1183 * dce_v11_0_bandwidth_update - program display watermarks
1184 *
1185 * @adev: amdgpu_device pointer
1186 *
1187 * Calculate and program the display watermarks and line
1188 * buffer allocation (CIK).
1189 */
1190static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1191{
1192	struct drm_display_mode *mode = NULL;
1193	u32 num_heads = 0, lb_size;
1194	int i;
1195
1196	amdgpu_display_update_priority(adev);
1197
1198	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1199		if (adev->mode_info.crtcs[i]->base.enabled)
1200			num_heads++;
1201	}
1202	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1203		mode = &adev->mode_info.crtcs[i]->base.mode;
1204		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1205		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1206					    lb_size, num_heads);
1207	}
1208}
1209
1210static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1211{
1212	int i;
1213	u32 offset, tmp;
1214
1215	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1216		offset = adev->mode_info.audio.pin[i].offset;
1217		tmp = RREG32_AUDIO_ENDPT(offset,
1218					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1219		if (((tmp &
1220		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1221		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1222			adev->mode_info.audio.pin[i].connected = false;
1223		else
1224			adev->mode_info.audio.pin[i].connected = true;
1225	}
1226}
1227
1228static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1229{
1230	int i;
1231
1232	dce_v11_0_audio_get_connected_pins(adev);
1233
1234	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1235		if (adev->mode_info.audio.pin[i].connected)
1236			return &adev->mode_info.audio.pin[i];
1237	}
1238	DRM_ERROR("No connected audio pins found!\n");
1239	return NULL;
1240}
1241
1242static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1243{
1244	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1245	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1246	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1247	u32 tmp;
1248
1249	if (!dig || !dig->afmt || !dig->afmt->pin)
1250		return;
1251
1252	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1253	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1254	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1255}
1256
1257static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1258						struct drm_display_mode *mode)
1259{
1260	struct drm_device *dev = encoder->dev;
1261	struct amdgpu_device *adev = drm_to_adev(dev);
1262	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1263	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1264	struct drm_connector *connector;
1265	struct drm_connector_list_iter iter;
1266	struct amdgpu_connector *amdgpu_connector = NULL;
1267	u32 tmp;
1268	int interlace = 0;
1269
1270	if (!dig || !dig->afmt || !dig->afmt->pin)
1271		return;
1272
1273	drm_connector_list_iter_begin(dev, &iter);
1274	drm_for_each_connector_iter(connector, &iter) {
1275		if (connector->encoder == encoder) {
1276			amdgpu_connector = to_amdgpu_connector(connector);
1277			break;
1278		}
1279	}
1280	drm_connector_list_iter_end(&iter);
1281
1282	if (!amdgpu_connector) {
1283		DRM_ERROR("Couldn't find encoder's connector\n");
1284		return;
1285	}
1286
1287	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1288		interlace = 1;
1289	if (connector->latency_present[interlace]) {
1290		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1291				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1292		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1293				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1294	} else {
1295		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1296				    VIDEO_LIPSYNC, 0);
1297		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1298				    AUDIO_LIPSYNC, 0);
1299	}
1300	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1301			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1302}
1303
1304static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1305{
1306	struct drm_device *dev = encoder->dev;
1307	struct amdgpu_device *adev = drm_to_adev(dev);
1308	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1309	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1310	struct drm_connector *connector;
1311	struct drm_connector_list_iter iter;
1312	struct amdgpu_connector *amdgpu_connector = NULL;
1313	u32 tmp;
1314	u8 *sadb = NULL;
1315	int sad_count;
1316
1317	if (!dig || !dig->afmt || !dig->afmt->pin)
1318		return;
1319
1320	drm_connector_list_iter_begin(dev, &iter);
1321	drm_for_each_connector_iter(connector, &iter) {
1322		if (connector->encoder == encoder) {
1323			amdgpu_connector = to_amdgpu_connector(connector);
1324			break;
1325		}
1326	}
1327	drm_connector_list_iter_end(&iter);
1328
1329	if (!amdgpu_connector) {
1330		DRM_ERROR("Couldn't find encoder's connector\n");
1331		return;
1332	}
1333
1334	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1335	if (sad_count < 0) {
1336		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1337		sad_count = 0;
1338	}
1339
1340	/* program the speaker allocation */
1341	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1342				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1343	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1344			    DP_CONNECTION, 0);
1345	/* set HDMI mode */
1346	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1347			    HDMI_CONNECTION, 1);
1348	if (sad_count)
1349		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1350				    SPEAKER_ALLOCATION, sadb[0]);
1351	else
1352		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1353				    SPEAKER_ALLOCATION, 5); /* stereo */
1354	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1355			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1356
1357	kfree(sadb);
1358}
1359
1360static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1361{
1362	struct drm_device *dev = encoder->dev;
1363	struct amdgpu_device *adev = drm_to_adev(dev);
1364	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1365	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1366	struct drm_connector *connector;
1367	struct drm_connector_list_iter iter;
1368	struct amdgpu_connector *amdgpu_connector = NULL;
1369	struct cea_sad *sads;
1370	int i, sad_count;
1371
1372	static const u16 eld_reg_to_type[][2] = {
1373		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1374		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1375		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1376		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1377		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1378		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1379		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1380		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1381		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1382		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1383		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1384		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1385	};
1386
1387	if (!dig || !dig->afmt || !dig->afmt->pin)
1388		return;
1389
1390	drm_connector_list_iter_begin(dev, &iter);
1391	drm_for_each_connector_iter(connector, &iter) {
1392		if (connector->encoder == encoder) {
1393			amdgpu_connector = to_amdgpu_connector(connector);
1394			break;
1395		}
1396	}
1397	drm_connector_list_iter_end(&iter);
1398
1399	if (!amdgpu_connector) {
1400		DRM_ERROR("Couldn't find encoder's connector\n");
1401		return;
1402	}
1403
1404	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1405	if (sad_count < 0)
1406		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1407	if (sad_count <= 0)
1408		return;
1409	BUG_ON(!sads);
1410
1411	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1412		u32 tmp = 0;
1413		u8 stereo_freqs = 0;
1414		int max_channels = -1;
1415		int j;
1416
1417		for (j = 0; j < sad_count; j++) {
1418			struct cea_sad *sad = &sads[j];
1419
1420			if (sad->format == eld_reg_to_type[i][1]) {
1421				if (sad->channels > max_channels) {
1422					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1423							    MAX_CHANNELS, sad->channels);
1424					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1425							    DESCRIPTOR_BYTE_2, sad->byte2);
1426					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1427							    SUPPORTED_FREQUENCIES, sad->freq);
1428					max_channels = sad->channels;
1429				}
1430
1431				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1432					stereo_freqs |= sad->freq;
1433				else
1434					break;
1435			}
1436		}
1437
1438		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1439				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1440		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1441	}
1442
1443	kfree(sads);
1444}
1445
1446static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1447				  struct amdgpu_audio_pin *pin,
1448				  bool enable)
1449{
1450	if (!pin)
1451		return;
1452
1453	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1454			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1455}
1456
1457static const u32 pin_offsets[] =
1458{
1459	AUD0_REGISTER_OFFSET,
1460	AUD1_REGISTER_OFFSET,
1461	AUD2_REGISTER_OFFSET,
1462	AUD3_REGISTER_OFFSET,
1463	AUD4_REGISTER_OFFSET,
1464	AUD5_REGISTER_OFFSET,
1465	AUD6_REGISTER_OFFSET,
1466	AUD7_REGISTER_OFFSET,
1467};
1468
1469static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1470{
1471	int i;
1472
1473	if (!amdgpu_audio)
1474		return 0;
1475
1476	adev->mode_info.audio.enabled = true;
1477
1478	switch (adev->asic_type) {
1479	case CHIP_CARRIZO:
1480	case CHIP_STONEY:
1481		adev->mode_info.audio.num_pins = 7;
1482		break;
1483	case CHIP_POLARIS10:
1484	case CHIP_VEGAM:
1485		adev->mode_info.audio.num_pins = 8;
1486		break;
1487	case CHIP_POLARIS11:
1488	case CHIP_POLARIS12:
1489		adev->mode_info.audio.num_pins = 6;
1490		break;
1491	default:
1492		return -EINVAL;
1493	}
1494
1495	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1496		adev->mode_info.audio.pin[i].channels = -1;
1497		adev->mode_info.audio.pin[i].rate = -1;
1498		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1499		adev->mode_info.audio.pin[i].status_bits = 0;
1500		adev->mode_info.audio.pin[i].category_code = 0;
1501		adev->mode_info.audio.pin[i].connected = false;
1502		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1503		adev->mode_info.audio.pin[i].id = i;
1504		/* disable audio.  it will be set up later */
1505		/* XXX remove once we switch to ip funcs */
1506		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1507	}
1508
1509	return 0;
1510}
1511
1512static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1513{
1514	int i;
1515
1516	if (!amdgpu_audio)
1517		return;
1518
1519	if (!adev->mode_info.audio.enabled)
1520		return;
1521
1522	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1523		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1524
1525	adev->mode_info.audio.enabled = false;
1526}
1527
1528/*
1529 * update the N and CTS parameters for a given pixel clock rate
1530 */
1531static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1532{
1533	struct drm_device *dev = encoder->dev;
1534	struct amdgpu_device *adev = drm_to_adev(dev);
1535	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1536	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1537	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1538	u32 tmp;
1539
1540	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1541	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1542	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1543	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1544	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1545	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1546
1547	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1548	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1549	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1550	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1551	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1552	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1553
1554	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1555	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1556	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1557	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1558	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1559	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1560
1561}
1562
1563/*
1564 * build a HDMI Video Info Frame
1565 */
1566static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1567					       void *buffer, size_t size)
1568{
1569	struct drm_device *dev = encoder->dev;
1570	struct amdgpu_device *adev = drm_to_adev(dev);
1571	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1572	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1573	uint8_t *frame = buffer + 3;
1574	uint8_t *header = buffer;
1575
1576	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1577		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1578	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1579		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1580	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1581		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1582	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1583		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1584}
1585
1586static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1587{
1588	struct drm_device *dev = encoder->dev;
1589	struct amdgpu_device *adev = drm_to_adev(dev);
1590	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1591	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1592	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1593	u32 dto_phase = 24 * 1000;
1594	u32 dto_modulo = clock;
1595	u32 tmp;
1596
1597	if (!dig || !dig->afmt)
1598		return;
1599
1600	/* XXX two dtos; generally use dto0 for hdmi */
1601	/* Express [24MHz / target pixel clock] as an exact rational
1602	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1603	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1604	 */
1605	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1606	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1607			    amdgpu_crtc->crtc_id);
1608	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1609	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1610	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1611}
1612
1613/*
1614 * update the info frames with the data from the current display mode
1615 */
1616static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1617				  struct drm_display_mode *mode)
1618{
1619	struct drm_device *dev = encoder->dev;
1620	struct amdgpu_device *adev = drm_to_adev(dev);
1621	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1622	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1623	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1624	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1625	struct hdmi_avi_infoframe frame;
1626	ssize_t err;
1627	u32 tmp;
1628	int bpc = 8;
1629
1630	if (!dig || !dig->afmt)
1631		return;
1632
1633	/* Silent, r600_hdmi_enable will raise WARN for us */
1634	if (!dig->afmt->enabled)
1635		return;
1636
1637	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1638	if (encoder->crtc) {
1639		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1640		bpc = amdgpu_crtc->bpc;
1641	}
1642
1643	/* disable audio prior to setting up hw */
1644	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1645	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1646
1647	dce_v11_0_audio_set_dto(encoder, mode->clock);
1648
1649	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1650	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1651	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1652
1653	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1654
1655	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1656	switch (bpc) {
1657	case 0:
1658	case 6:
1659	case 8:
1660	case 16:
1661	default:
1662		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1663		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1664		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1665			  connector->name, bpc);
1666		break;
1667	case 10:
1668		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1669		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1670		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1671			  connector->name);
1672		break;
1673	case 12:
1674		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1675		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1676		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1677			  connector->name);
1678		break;
1679	}
1680	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1681
1682	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1683	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1684	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1685	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1686	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1687
1688	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1689	/* enable audio info frames (frames won't be set until audio is enabled) */
1690	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1691	/* required for audio info values to be updated */
1692	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1693	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1694
1695	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1696	/* required for audio info values to be updated */
1697	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1698	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1699
1700	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1701	/* anything other than 0 */
1702	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1703	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1704
1705	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1706
1707	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1708	/* set the default audio delay */
1709	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1710	/* should be suffient for all audio modes and small enough for all hblanks */
1711	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1712	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1713
1714	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1715	/* allow 60958 channel status fields to be updated */
1716	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1717	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1718
1719	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1720	if (bpc > 8)
1721		/* clear SW CTS value */
1722		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1723	else
1724		/* select SW CTS value */
1725		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1726	/* allow hw to sent ACR packets when required */
1727	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1728	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1729
1730	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1731
1732	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1733	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1734	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1735
1736	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1737	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1738	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1739
1740	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1741	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1742	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1743	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1744	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1745	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1746	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1747	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1748
1749	dce_v11_0_audio_write_speaker_allocation(encoder);
1750
1751	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1752	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1753
1754	dce_v11_0_afmt_audio_select_pin(encoder);
1755	dce_v11_0_audio_write_sad_regs(encoder);
1756	dce_v11_0_audio_write_latency_fields(encoder, mode);
1757
1758	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1759	if (err < 0) {
1760		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1761		return;
1762	}
1763
1764	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1765	if (err < 0) {
1766		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1767		return;
1768	}
1769
1770	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1771
1772	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1773	/* enable AVI info frames */
1774	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1775	/* required for audio info values to be updated */
1776	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1777	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1778
1779	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1780	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1781	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1782
1783	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1784	/* send audio packets */
1785	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1786	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1787
1788	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1789	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1790	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1791	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1792
1793	/* enable audio after to setting up hw */
1794	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1795}
1796
1797static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1798{
1799	struct drm_device *dev = encoder->dev;
1800	struct amdgpu_device *adev = drm_to_adev(dev);
1801	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1802	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1803
1804	if (!dig || !dig->afmt)
1805		return;
1806
1807	/* Silent, r600_hdmi_enable will raise WARN for us */
1808	if (enable && dig->afmt->enabled)
1809		return;
1810	if (!enable && !dig->afmt->enabled)
1811		return;
1812
1813	if (!enable && dig->afmt->pin) {
1814		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1815		dig->afmt->pin = NULL;
1816	}
1817
1818	dig->afmt->enabled = enable;
1819
1820	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1821		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1822}
1823
1824static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1825{
1826	int i;
1827
1828	for (i = 0; i < adev->mode_info.num_dig; i++)
1829		adev->mode_info.afmt[i] = NULL;
1830
1831	/* DCE11 has audio blocks tied to DIG encoders */
1832	for (i = 0; i < adev->mode_info.num_dig; i++) {
1833		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1834		if (adev->mode_info.afmt[i]) {
1835			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1836			adev->mode_info.afmt[i]->id = i;
1837		} else {
1838			int j;
1839			for (j = 0; j < i; j++) {
1840				kfree(adev->mode_info.afmt[j]);
1841				adev->mode_info.afmt[j] = NULL;
1842			}
1843			return -ENOMEM;
1844		}
1845	}
1846	return 0;
1847}
1848
1849static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1850{
1851	int i;
1852
1853	for (i = 0; i < adev->mode_info.num_dig; i++) {
1854		kfree(adev->mode_info.afmt[i]);
1855		adev->mode_info.afmt[i] = NULL;
1856	}
1857}
1858
1859static const u32 vga_control_regs[6] =
1860{
1861	mmD1VGA_CONTROL,
1862	mmD2VGA_CONTROL,
1863	mmD3VGA_CONTROL,
1864	mmD4VGA_CONTROL,
1865	mmD5VGA_CONTROL,
1866	mmD6VGA_CONTROL,
1867};
1868
1869static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1870{
1871	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1872	struct drm_device *dev = crtc->dev;
1873	struct amdgpu_device *adev = drm_to_adev(dev);
1874	u32 vga_control;
1875
1876	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1877	if (enable)
1878		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1879	else
1880		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1881}
1882
1883static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1884{
1885	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1886	struct drm_device *dev = crtc->dev;
1887	struct amdgpu_device *adev = drm_to_adev(dev);
1888
1889	if (enable)
1890		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1891	else
1892		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1893}
1894
1895static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1896				     struct drm_framebuffer *fb,
1897				     int x, int y, int atomic)
1898{
1899	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1900	struct drm_device *dev = crtc->dev;
1901	struct amdgpu_device *adev = drm_to_adev(dev);
1902	struct drm_framebuffer *target_fb;
1903	struct drm_gem_object *obj;
1904	struct amdgpu_bo *abo;
1905	uint64_t fb_location, tiling_flags;
1906	uint32_t fb_format, fb_pitch_pixels;
1907	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1908	u32 pipe_config;
1909	u32 tmp, viewport_w, viewport_h;
1910	int r;
1911	bool bypass_lut = false;
1912
1913	/* no fb bound */
1914	if (!atomic && !crtc->primary->fb) {
1915		DRM_DEBUG_KMS("No FB bound\n");
1916		return 0;
1917	}
1918
1919	if (atomic)
1920		target_fb = fb;
1921	else
1922		target_fb = crtc->primary->fb;
1923
1924	/* If atomic, assume fb object is pinned & idle & fenced and
1925	 * just update base pointers
1926	 */
1927	obj = target_fb->obj[0];
1928	abo = gem_to_amdgpu_bo(obj);
1929	r = amdgpu_bo_reserve(abo, false);
1930	if (unlikely(r != 0))
1931		return r;
1932
1933	if (!atomic) {
1934		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1935		if (unlikely(r != 0)) {
1936			amdgpu_bo_unreserve(abo);
1937			return -EINVAL;
1938		}
1939	}
1940	fb_location = amdgpu_bo_gpu_offset(abo);
1941
1942	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1943	amdgpu_bo_unreserve(abo);
1944
1945	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1946
1947	switch (target_fb->format->format) {
1948	case DRM_FORMAT_C8:
1949		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1950		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1951		break;
1952	case DRM_FORMAT_XRGB4444:
1953	case DRM_FORMAT_ARGB4444:
1954		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1955		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1956#ifdef __BIG_ENDIAN
1957		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1958					ENDIAN_8IN16);
1959#endif
1960		break;
1961	case DRM_FORMAT_XRGB1555:
1962	case DRM_FORMAT_ARGB1555:
1963		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1964		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1965#ifdef __BIG_ENDIAN
1966		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1967					ENDIAN_8IN16);
1968#endif
1969		break;
1970	case DRM_FORMAT_BGRX5551:
1971	case DRM_FORMAT_BGRA5551:
1972		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1973		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1974#ifdef __BIG_ENDIAN
1975		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1976					ENDIAN_8IN16);
1977#endif
1978		break;
1979	case DRM_FORMAT_RGB565:
1980		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1981		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1982#ifdef __BIG_ENDIAN
1983		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1984					ENDIAN_8IN16);
1985#endif
1986		break;
1987	case DRM_FORMAT_XRGB8888:
1988	case DRM_FORMAT_ARGB8888:
1989		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1990		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1991#ifdef __BIG_ENDIAN
1992		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1993					ENDIAN_8IN32);
1994#endif
1995		break;
1996	case DRM_FORMAT_XRGB2101010:
1997	case DRM_FORMAT_ARGB2101010:
1998		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1999		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2000#ifdef __BIG_ENDIAN
2001		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2002					ENDIAN_8IN32);
2003#endif
2004		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2005		bypass_lut = true;
2006		break;
2007	case DRM_FORMAT_BGRX1010102:
2008	case DRM_FORMAT_BGRA1010102:
2009		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2010		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2011#ifdef __BIG_ENDIAN
2012		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2013					ENDIAN_8IN32);
2014#endif
2015		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2016		bypass_lut = true;
2017		break;
2018	case DRM_FORMAT_XBGR8888:
2019	case DRM_FORMAT_ABGR8888:
2020		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2021		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2022		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2023		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2024#ifdef __BIG_ENDIAN
2025		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2026					ENDIAN_8IN32);
2027#endif
2028		break;
2029	default:
2030		DRM_ERROR("Unsupported screen format %p4cc\n",
2031			  &target_fb->format->format);
2032		return -EINVAL;
2033	}
2034
2035	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2036		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2037
2038		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2039		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2040		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2041		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2042		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2043
2044		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2045		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2046					  ARRAY_2D_TILED_THIN1);
2047		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2048					  tile_split);
2049		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2050		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2051		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2052					  mtaspect);
2053		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2054					  ADDR_SURF_MICRO_TILING_DISPLAY);
2055	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2056		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2057					  ARRAY_1D_TILED_THIN1);
2058	}
2059
2060	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2061				  pipe_config);
2062
2063	dce_v11_0_vga_enable(crtc, false);
2064
2065	/* Make sure surface address is updated at vertical blank rather than
2066	 * horizontal blank
2067	 */
2068	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2069	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2070			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2071	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2072
2073	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2074	       upper_32_bits(fb_location));
2075	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2076	       upper_32_bits(fb_location));
2077	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2078	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2079	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2080	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2081	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2082	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2083
2084	/*
2085	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2086	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2087	 * retain the full precision throughout the pipeline.
2088	 */
2089	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2090	if (bypass_lut)
2091		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2092	else
2093		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2094	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2095
2096	if (bypass_lut)
2097		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2098
2099	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2100	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2101	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2102	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2103	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2104	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2105
2106	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2107	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2108
2109	dce_v11_0_grph_enable(crtc, true);
2110
2111	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2112	       target_fb->height);
2113
2114	x &= ~3;
2115	y &= ~1;
2116	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2117	       (x << 16) | y);
2118	viewport_w = crtc->mode.hdisplay;
2119	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2120	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2121	       (viewport_w << 16) | viewport_h);
2122
2123	/* set pageflip to happen anywhere in vblank interval */
2124	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2125
2126	if (!atomic && fb && fb != crtc->primary->fb) {
2127		abo = gem_to_amdgpu_bo(fb->obj[0]);
2128		r = amdgpu_bo_reserve(abo, true);
2129		if (unlikely(r != 0))
2130			return r;
2131		amdgpu_bo_unpin(abo);
2132		amdgpu_bo_unreserve(abo);
2133	}
2134
2135	/* Bytes per pixel may have changed */
2136	dce_v11_0_bandwidth_update(adev);
2137
2138	return 0;
2139}
2140
2141static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2142				     struct drm_display_mode *mode)
2143{
2144	struct drm_device *dev = crtc->dev;
2145	struct amdgpu_device *adev = drm_to_adev(dev);
2146	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2147	u32 tmp;
2148
2149	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2150	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2151		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2152	else
2153		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2154	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2155}
2156
2157static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2158{
2159	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2160	struct drm_device *dev = crtc->dev;
2161	struct amdgpu_device *adev = drm_to_adev(dev);
2162	u16 *r, *g, *b;
2163	int i;
2164	u32 tmp;
2165
2166	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2167
2168	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2169	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2170	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2171
2172	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2173	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2174	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2175
2176	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2177	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2178	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2179
2180	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2181
2182	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2183	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2184	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2185
2186	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2187	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2188	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2189
2190	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2191	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2192
2193	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2194	r = crtc->gamma_store;
2195	g = r + crtc->gamma_size;
2196	b = g + crtc->gamma_size;
2197	for (i = 0; i < 256; i++) {
2198		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2199		       ((*r++ & 0xffc0) << 14) |
2200		       ((*g++ & 0xffc0) << 4) |
2201		       (*b++ >> 6));
2202	}
2203
2204	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2205	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2206	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2207	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2208	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2209
2210	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2211	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2212	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2213
2214	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2215	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2216	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2217
2218	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2219	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2220	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2221
2222	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2223	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2224	/* XXX this only needs to be programmed once per crtc at startup,
2225	 * not sure where the best place for it is
2226	 */
2227	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2228	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2229	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2230}
2231
2232static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2233{
2234	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2235	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2236
2237	switch (amdgpu_encoder->encoder_id) {
2238	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2239		if (dig->linkb)
2240			return 1;
2241		else
2242			return 0;
2243	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2244		if (dig->linkb)
2245			return 3;
2246		else
2247			return 2;
2248	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2249		if (dig->linkb)
2250			return 5;
2251		else
2252			return 4;
2253	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2254		return 6;
2255	default:
2256		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2257		return 0;
2258	}
2259}
2260
2261/**
2262 * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2263 *
2264 * @crtc: drm crtc
2265 *
2266 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2267 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2268 * monitors a dedicated PPLL must be used.  If a particular board has
2269 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2270 * as there is no need to program the PLL itself.  If we are not able to
2271 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2272 * avoid messing up an existing monitor.
2273 *
2274 * Asic specific PLL information
2275 *
2276 * DCE 10.x
2277 * Tonga
2278 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2279 * CI
2280 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2281 *
2282 */
2283static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2284{
2285	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2286	struct drm_device *dev = crtc->dev;
2287	struct amdgpu_device *adev = drm_to_adev(dev);
2288	u32 pll_in_use;
2289	int pll;
2290
2291	if ((adev->asic_type == CHIP_POLARIS10) ||
2292	    (adev->asic_type == CHIP_POLARIS11) ||
2293	    (adev->asic_type == CHIP_POLARIS12) ||
2294	    (adev->asic_type == CHIP_VEGAM)) {
2295		struct amdgpu_encoder *amdgpu_encoder =
2296			to_amdgpu_encoder(amdgpu_crtc->encoder);
2297		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2298
2299		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2300			return ATOM_DP_DTO;
2301
2302		switch (amdgpu_encoder->encoder_id) {
2303		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2304			if (dig->linkb)
2305				return ATOM_COMBOPHY_PLL1;
2306			else
2307				return ATOM_COMBOPHY_PLL0;
2308		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2309			if (dig->linkb)
2310				return ATOM_COMBOPHY_PLL3;
2311			else
2312				return ATOM_COMBOPHY_PLL2;
2313		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2314			if (dig->linkb)
2315				return ATOM_COMBOPHY_PLL5;
2316			else
2317				return ATOM_COMBOPHY_PLL4;
2318		default:
2319			DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2320			return ATOM_PPLL_INVALID;
2321		}
2322	}
2323
2324	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2325		if (adev->clock.dp_extclk)
2326			/* skip PPLL programming if using ext clock */
2327			return ATOM_PPLL_INVALID;
2328		else {
2329			/* use the same PPLL for all DP monitors */
2330			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2331			if (pll != ATOM_PPLL_INVALID)
2332				return pll;
2333		}
2334	} else {
2335		/* use the same PPLL for all monitors with the same clock */
2336		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2337		if (pll != ATOM_PPLL_INVALID)
2338			return pll;
2339	}
2340
2341	/* XXX need to determine what plls are available on each DCE11 part */
2342	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2343	if (adev->flags & AMD_IS_APU) {
2344		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2345			return ATOM_PPLL1;
2346		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2347			return ATOM_PPLL0;
2348		DRM_ERROR("unable to allocate a PPLL\n");
2349		return ATOM_PPLL_INVALID;
2350	} else {
2351		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2352			return ATOM_PPLL2;
2353		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2354			return ATOM_PPLL1;
2355		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2356			return ATOM_PPLL0;
2357		DRM_ERROR("unable to allocate a PPLL\n");
2358		return ATOM_PPLL_INVALID;
2359	}
2360	return ATOM_PPLL_INVALID;
2361}
2362
2363static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2364{
2365	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2366	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2367	uint32_t cur_lock;
2368
2369	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2370	if (lock)
2371		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2372	else
2373		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2374	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2375}
2376
2377static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2378{
2379	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2380	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2381	u32 tmp;
2382
2383	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2384	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2385	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2386}
2387
2388static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2389{
2390	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2391	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2392	u32 tmp;
2393
2394	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2395	       upper_32_bits(amdgpu_crtc->cursor_addr));
2396	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2397	       lower_32_bits(amdgpu_crtc->cursor_addr));
2398
2399	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2400	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2401	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2402	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2403}
2404
2405static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2406					int x, int y)
2407{
2408	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2409	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2410	int xorigin = 0, yorigin = 0;
2411
2412	amdgpu_crtc->cursor_x = x;
2413	amdgpu_crtc->cursor_y = y;
2414
2415	/* avivo cursor are offset into the total surface */
2416	x += crtc->x;
2417	y += crtc->y;
2418	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2419
2420	if (x < 0) {
2421		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2422		x = 0;
2423	}
2424	if (y < 0) {
2425		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2426		y = 0;
2427	}
2428
2429	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2430	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2431	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2432	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2433
2434	return 0;
2435}
2436
2437static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2438				      int x, int y)
2439{
2440	int ret;
2441
2442	dce_v11_0_lock_cursor(crtc, true);
2443	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2444	dce_v11_0_lock_cursor(crtc, false);
2445
2446	return ret;
2447}
2448
2449static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2450				      struct drm_file *file_priv,
2451				      uint32_t handle,
2452				      uint32_t width,
2453				      uint32_t height,
2454				      int32_t hot_x,
2455				      int32_t hot_y)
2456{
2457	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2458	struct drm_gem_object *obj;
2459	struct amdgpu_bo *aobj;
2460	int ret;
2461
2462	if (!handle) {
2463		/* turn off cursor */
2464		dce_v11_0_hide_cursor(crtc);
2465		obj = NULL;
2466		goto unpin;
2467	}
2468
2469	if ((width > amdgpu_crtc->max_cursor_width) ||
2470	    (height > amdgpu_crtc->max_cursor_height)) {
2471		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2472		return -EINVAL;
2473	}
2474
2475	obj = drm_gem_object_lookup(file_priv, handle);
2476	if (!obj) {
2477		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2478		return -ENOENT;
2479	}
2480
2481	aobj = gem_to_amdgpu_bo(obj);
2482	ret = amdgpu_bo_reserve(aobj, false);
2483	if (ret != 0) {
2484		drm_gem_object_put(obj);
2485		return ret;
2486	}
2487
2488	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2489	amdgpu_bo_unreserve(aobj);
2490	if (ret) {
2491		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2492		drm_gem_object_put(obj);
2493		return ret;
2494	}
2495	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2496
2497	dce_v11_0_lock_cursor(crtc, true);
2498
2499	if (width != amdgpu_crtc->cursor_width ||
2500	    height != amdgpu_crtc->cursor_height ||
2501	    hot_x != amdgpu_crtc->cursor_hot_x ||
2502	    hot_y != amdgpu_crtc->cursor_hot_y) {
2503		int x, y;
2504
2505		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2506		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2507
2508		dce_v11_0_cursor_move_locked(crtc, x, y);
2509
2510		amdgpu_crtc->cursor_width = width;
2511		amdgpu_crtc->cursor_height = height;
2512		amdgpu_crtc->cursor_hot_x = hot_x;
2513		amdgpu_crtc->cursor_hot_y = hot_y;
2514	}
2515
2516	dce_v11_0_show_cursor(crtc);
2517	dce_v11_0_lock_cursor(crtc, false);
2518
2519unpin:
2520	if (amdgpu_crtc->cursor_bo) {
2521		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2522		ret = amdgpu_bo_reserve(aobj, true);
2523		if (likely(ret == 0)) {
2524			amdgpu_bo_unpin(aobj);
2525			amdgpu_bo_unreserve(aobj);
2526		}
2527		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2528	}
2529
2530	amdgpu_crtc->cursor_bo = obj;
2531	return 0;
2532}
2533
2534static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2535{
2536	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2537
2538	if (amdgpu_crtc->cursor_bo) {
2539		dce_v11_0_lock_cursor(crtc, true);
2540
2541		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2542					     amdgpu_crtc->cursor_y);
2543
2544		dce_v11_0_show_cursor(crtc);
2545
2546		dce_v11_0_lock_cursor(crtc, false);
2547	}
2548}
2549
2550static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2551				    u16 *blue, uint32_t size,
2552				    struct drm_modeset_acquire_ctx *ctx)
2553{
2554	dce_v11_0_crtc_load_lut(crtc);
2555
2556	return 0;
2557}
2558
2559static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2560{
2561	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2562
2563	drm_crtc_cleanup(crtc);
2564	kfree(amdgpu_crtc);
2565}
2566
2567static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2568	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2569	.cursor_move = dce_v11_0_crtc_cursor_move,
2570	.gamma_set = dce_v11_0_crtc_gamma_set,
2571	.set_config = amdgpu_display_crtc_set_config,
2572	.destroy = dce_v11_0_crtc_destroy,
2573	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2574	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2575	.enable_vblank = amdgpu_enable_vblank_kms,
2576	.disable_vblank = amdgpu_disable_vblank_kms,
2577	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2578};
2579
2580static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2581{
2582	struct drm_device *dev = crtc->dev;
2583	struct amdgpu_device *adev = drm_to_adev(dev);
2584	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2585	unsigned type;
2586
2587	switch (mode) {
2588	case DRM_MODE_DPMS_ON:
2589		amdgpu_crtc->enabled = true;
2590		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2591		dce_v11_0_vga_enable(crtc, true);
2592		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2593		dce_v11_0_vga_enable(crtc, false);
2594		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2595		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2596						amdgpu_crtc->crtc_id);
2597		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2598		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2599		drm_crtc_vblank_on(crtc);
2600		dce_v11_0_crtc_load_lut(crtc);
2601		break;
2602	case DRM_MODE_DPMS_STANDBY:
2603	case DRM_MODE_DPMS_SUSPEND:
2604	case DRM_MODE_DPMS_OFF:
2605		drm_crtc_vblank_off(crtc);
2606		if (amdgpu_crtc->enabled) {
2607			dce_v11_0_vga_enable(crtc, true);
2608			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2609			dce_v11_0_vga_enable(crtc, false);
2610		}
2611		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2612		amdgpu_crtc->enabled = false;
2613		break;
2614	}
2615	/* adjust pm to dpms */
2616	amdgpu_dpm_compute_clocks(adev);
2617}
2618
2619static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2620{
2621	/* disable crtc pair power gating before programming */
2622	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2623	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2624	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2625}
2626
2627static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2628{
2629	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2630	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2631}
2632
2633static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2634{
2635	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2636	struct drm_device *dev = crtc->dev;
2637	struct amdgpu_device *adev = drm_to_adev(dev);
2638	struct amdgpu_atom_ss ss;
2639	int i;
2640
2641	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2642	if (crtc->primary->fb) {
2643		int r;
2644		struct amdgpu_bo *abo;
2645
2646		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2647		r = amdgpu_bo_reserve(abo, true);
2648		if (unlikely(r))
2649			DRM_ERROR("failed to reserve abo before unpin\n");
2650		else {
2651			amdgpu_bo_unpin(abo);
2652			amdgpu_bo_unreserve(abo);
2653		}
2654	}
2655	/* disable the GRPH */
2656	dce_v11_0_grph_enable(crtc, false);
2657
2658	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2659
2660	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2661		if (adev->mode_info.crtcs[i] &&
2662		    adev->mode_info.crtcs[i]->enabled &&
2663		    i != amdgpu_crtc->crtc_id &&
2664		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2665			/* one other crtc is using this pll don't turn
2666			 * off the pll
2667			 */
2668			goto done;
2669		}
2670	}
2671
2672	switch (amdgpu_crtc->pll_id) {
2673	case ATOM_PPLL0:
2674	case ATOM_PPLL1:
2675	case ATOM_PPLL2:
2676		/* disable the ppll */
2677		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2678						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2679		break;
2680	case ATOM_COMBOPHY_PLL0:
2681	case ATOM_COMBOPHY_PLL1:
2682	case ATOM_COMBOPHY_PLL2:
2683	case ATOM_COMBOPHY_PLL3:
2684	case ATOM_COMBOPHY_PLL4:
2685	case ATOM_COMBOPHY_PLL5:
2686		/* disable the ppll */
2687		amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2688						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2689		break;
2690	default:
2691		break;
2692	}
2693done:
2694	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2695	amdgpu_crtc->adjusted_clock = 0;
2696	amdgpu_crtc->encoder = NULL;
2697	amdgpu_crtc->connector = NULL;
2698}
2699
2700static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2701				  struct drm_display_mode *mode,
2702				  struct drm_display_mode *adjusted_mode,
2703				  int x, int y, struct drm_framebuffer *old_fb)
2704{
2705	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2706	struct drm_device *dev = crtc->dev;
2707	struct amdgpu_device *adev = drm_to_adev(dev);
2708
2709	if (!amdgpu_crtc->adjusted_clock)
2710		return -EINVAL;
2711
2712	if ((adev->asic_type == CHIP_POLARIS10) ||
2713	    (adev->asic_type == CHIP_POLARIS11) ||
2714	    (adev->asic_type == CHIP_POLARIS12) ||
2715	    (adev->asic_type == CHIP_VEGAM)) {
2716		struct amdgpu_encoder *amdgpu_encoder =
2717			to_amdgpu_encoder(amdgpu_crtc->encoder);
2718		int encoder_mode =
2719			amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2720
2721		/* SetPixelClock calculates the plls and ss values now */
2722		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2723						 amdgpu_crtc->pll_id,
2724						 encoder_mode, amdgpu_encoder->encoder_id,
2725						 adjusted_mode->clock, 0, 0, 0, 0,
2726						 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2727	} else {
2728		amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2729	}
2730	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2731	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2732	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2733	amdgpu_atombios_crtc_scaler_setup(crtc);
2734	dce_v11_0_cursor_reset(crtc);
2735	/* update the hw version fpr dpm */
2736	amdgpu_crtc->hw_mode = *adjusted_mode;
2737
2738	return 0;
2739}
2740
2741static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2742				     const struct drm_display_mode *mode,
2743				     struct drm_display_mode *adjusted_mode)
2744{
2745	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2746	struct drm_device *dev = crtc->dev;
2747	struct drm_encoder *encoder;
2748
2749	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2750	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2751		if (encoder->crtc == crtc) {
2752			amdgpu_crtc->encoder = encoder;
2753			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2754			break;
2755		}
2756	}
2757	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2758		amdgpu_crtc->encoder = NULL;
2759		amdgpu_crtc->connector = NULL;
2760		return false;
2761	}
2762	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2763		return false;
2764	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2765		return false;
2766	/* pick pll */
2767	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2768	/* if we can't get a PPLL for a non-DP encoder, fail */
2769	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2770	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2771		return false;
2772
2773	return true;
2774}
2775
2776static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2777				  struct drm_framebuffer *old_fb)
2778{
2779	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2780}
2781
2782static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2783					 struct drm_framebuffer *fb,
2784					 int x, int y, enum mode_set_atomic state)
2785{
2786	return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2787}
2788
2789static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2790	.dpms = dce_v11_0_crtc_dpms,
2791	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2792	.mode_set = dce_v11_0_crtc_mode_set,
2793	.mode_set_base = dce_v11_0_crtc_set_base,
2794	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2795	.prepare = dce_v11_0_crtc_prepare,
2796	.commit = dce_v11_0_crtc_commit,
2797	.disable = dce_v11_0_crtc_disable,
2798	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2799};
2800
2801static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2802{
2803	struct amdgpu_crtc *amdgpu_crtc;
2804
2805	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2806			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2807	if (amdgpu_crtc == NULL)
2808		return -ENOMEM;
2809
2810	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2811
2812	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2813	amdgpu_crtc->crtc_id = index;
2814	adev->mode_info.crtcs[index] = amdgpu_crtc;
2815
2816	amdgpu_crtc->max_cursor_width = 128;
2817	amdgpu_crtc->max_cursor_height = 128;
2818	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2819	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2820
2821	switch (amdgpu_crtc->crtc_id) {
2822	case 0:
2823	default:
2824		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2825		break;
2826	case 1:
2827		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2828		break;
2829	case 2:
2830		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2831		break;
2832	case 3:
2833		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2834		break;
2835	case 4:
2836		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2837		break;
2838	case 5:
2839		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2840		break;
2841	}
2842
2843	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2844	amdgpu_crtc->adjusted_clock = 0;
2845	amdgpu_crtc->encoder = NULL;
2846	amdgpu_crtc->connector = NULL;
2847	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2848
2849	return 0;
2850}
2851
2852static int dce_v11_0_early_init(void *handle)
2853{
2854	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2855
2856	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2857	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2858
2859	dce_v11_0_set_display_funcs(adev);
2860
2861	adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2862
2863	switch (adev->asic_type) {
2864	case CHIP_CARRIZO:
2865		adev->mode_info.num_hpd = 6;
2866		adev->mode_info.num_dig = 9;
2867		break;
2868	case CHIP_STONEY:
2869		adev->mode_info.num_hpd = 6;
2870		adev->mode_info.num_dig = 9;
2871		break;
2872	case CHIP_POLARIS10:
2873	case CHIP_VEGAM:
2874		adev->mode_info.num_hpd = 6;
2875		adev->mode_info.num_dig = 6;
2876		break;
2877	case CHIP_POLARIS11:
2878	case CHIP_POLARIS12:
2879		adev->mode_info.num_hpd = 5;
2880		adev->mode_info.num_dig = 5;
2881		break;
2882	default:
2883		/* FIXME: not supported yet */
2884		return -EINVAL;
2885	}
2886
2887	dce_v11_0_set_irq_funcs(adev);
2888
2889	return 0;
2890}
2891
2892static int dce_v11_0_sw_init(void *handle)
2893{
2894	int r, i;
2895	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2896
2897	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2898		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2899		if (r)
2900			return r;
2901	}
2902
2903	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2904		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2905		if (r)
2906			return r;
2907	}
2908
2909	/* HPD hotplug */
2910	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2911	if (r)
2912		return r;
2913
2914	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2915
2916	adev_to_drm(adev)->mode_config.async_page_flip = true;
2917
2918	adev_to_drm(adev)->mode_config.max_width = 16384;
2919	adev_to_drm(adev)->mode_config.max_height = 16384;
2920
2921	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2922	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2923
2924	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2925
2926	r = amdgpu_display_modeset_create_props(adev);
2927	if (r)
2928		return r;
2929
2930	adev_to_drm(adev)->mode_config.max_width = 16384;
2931	adev_to_drm(adev)->mode_config.max_height = 16384;
2932
2933
2934	/* allocate crtcs */
2935	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2936		r = dce_v11_0_crtc_init(adev, i);
2937		if (r)
2938			return r;
2939	}
2940
2941	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2942		amdgpu_display_print_display_setup(adev_to_drm(adev));
2943	else
2944		return -EINVAL;
2945
2946	/* setup afmt */
2947	r = dce_v11_0_afmt_init(adev);
2948	if (r)
2949		return r;
2950
2951	r = dce_v11_0_audio_init(adev);
2952	if (r)
2953		return r;
2954
2955	/* Disable vblank IRQs aggressively for power-saving */
2956	/* XXX: can this be enabled for DC? */
2957	adev_to_drm(adev)->vblank_disable_immediate = true;
2958
2959	r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2960	if (r)
2961		return r;
2962
2963	INIT_DELAYED_WORK(&adev->hotplug_work,
2964		  amdgpu_display_hotplug_work_func);
2965
2966	drm_kms_helper_poll_init(adev_to_drm(adev));
2967
2968	adev->mode_info.mode_config_initialized = true;
2969	return 0;
2970}
2971
2972static int dce_v11_0_sw_fini(void *handle)
2973{
2974	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2975
2976	kfree(adev->mode_info.bios_hardcoded_edid);
2977
2978	drm_kms_helper_poll_fini(adev_to_drm(adev));
2979
2980	dce_v11_0_audio_fini(adev);
2981
2982	dce_v11_0_afmt_fini(adev);
2983
2984	drm_mode_config_cleanup(adev_to_drm(adev));
2985	adev->mode_info.mode_config_initialized = false;
2986
2987	return 0;
2988}
2989
2990static int dce_v11_0_hw_init(void *handle)
2991{
2992	int i;
2993	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2994
2995	dce_v11_0_init_golden_registers(adev);
2996
2997	/* disable vga render */
2998	dce_v11_0_set_vga_render_state(adev, false);
2999	/* init dig PHYs, disp eng pll */
3000	amdgpu_atombios_crtc_powergate_init(adev);
3001	amdgpu_atombios_encoder_init_dig(adev);
3002	if ((adev->asic_type == CHIP_POLARIS10) ||
3003	    (adev->asic_type == CHIP_POLARIS11) ||
3004	    (adev->asic_type == CHIP_POLARIS12) ||
3005	    (adev->asic_type == CHIP_VEGAM)) {
3006		amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
3007						   DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
3008		amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3009						   DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3010	} else {
3011		amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3012	}
3013
3014	/* initialize hpd */
3015	dce_v11_0_hpd_init(adev);
3016
3017	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3018		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3019	}
3020
3021	dce_v11_0_pageflip_interrupt_init(adev);
3022
3023	return 0;
3024}
3025
3026static int dce_v11_0_hw_fini(void *handle)
3027{
3028	int i;
3029	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3030
3031	dce_v11_0_hpd_fini(adev);
3032
3033	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3034		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3035	}
3036
3037	dce_v11_0_pageflip_interrupt_fini(adev);
3038
3039	flush_delayed_work(&adev->hotplug_work);
3040
3041	return 0;
3042}
3043
3044static int dce_v11_0_suspend(void *handle)
3045{
3046	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3047	int r;
3048
3049	r = amdgpu_display_suspend_helper(adev);
3050	if (r)
3051		return r;
3052
3053	adev->mode_info.bl_level =
3054		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3055
3056	return dce_v11_0_hw_fini(handle);
3057}
3058
3059static int dce_v11_0_resume(void *handle)
3060{
3061	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3062	int ret;
3063
3064	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3065							   adev->mode_info.bl_level);
3066
3067	ret = dce_v11_0_hw_init(handle);
3068
3069	/* turn on the BL */
3070	if (adev->mode_info.bl_encoder) {
3071		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3072								  adev->mode_info.bl_encoder);
3073		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3074						    bl_level);
3075	}
3076	if (ret)
3077		return ret;
3078
3079	return amdgpu_display_resume_helper(adev);
3080}
3081
3082static bool dce_v11_0_is_idle(void *handle)
3083{
3084	return true;
3085}
3086
3087static int dce_v11_0_wait_for_idle(void *handle)
3088{
3089	return 0;
3090}
3091
3092static int dce_v11_0_soft_reset(void *handle)
3093{
3094	u32 srbm_soft_reset = 0, tmp;
3095	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3096
3097	if (dce_v11_0_is_display_hung(adev))
3098		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3099
3100	if (srbm_soft_reset) {
3101		tmp = RREG32(mmSRBM_SOFT_RESET);
3102		tmp |= srbm_soft_reset;
3103		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3104		WREG32(mmSRBM_SOFT_RESET, tmp);
3105		tmp = RREG32(mmSRBM_SOFT_RESET);
3106
3107		udelay(50);
3108
3109		tmp &= ~srbm_soft_reset;
3110		WREG32(mmSRBM_SOFT_RESET, tmp);
3111		tmp = RREG32(mmSRBM_SOFT_RESET);
3112
3113		/* Wait a little for things to settle down */
3114		udelay(50);
3115	}
3116	return 0;
3117}
3118
3119static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3120						     int crtc,
3121						     enum amdgpu_interrupt_state state)
3122{
3123	u32 lb_interrupt_mask;
3124
3125	if (crtc >= adev->mode_info.num_crtc) {
3126		DRM_DEBUG("invalid crtc %d\n", crtc);
3127		return;
3128	}
3129
3130	switch (state) {
3131	case AMDGPU_IRQ_STATE_DISABLE:
3132		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3133		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3134						  VBLANK_INTERRUPT_MASK, 0);
3135		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3136		break;
3137	case AMDGPU_IRQ_STATE_ENABLE:
3138		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3139		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3140						  VBLANK_INTERRUPT_MASK, 1);
3141		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3142		break;
3143	default:
3144		break;
3145	}
3146}
3147
3148static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3149						    int crtc,
3150						    enum amdgpu_interrupt_state state)
3151{
3152	u32 lb_interrupt_mask;
3153
3154	if (crtc >= adev->mode_info.num_crtc) {
3155		DRM_DEBUG("invalid crtc %d\n", crtc);
3156		return;
3157	}
3158
3159	switch (state) {
3160	case AMDGPU_IRQ_STATE_DISABLE:
3161		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3162		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3163						  VLINE_INTERRUPT_MASK, 0);
3164		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3165		break;
3166	case AMDGPU_IRQ_STATE_ENABLE:
3167		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3168		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3169						  VLINE_INTERRUPT_MASK, 1);
3170		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3171		break;
3172	default:
3173		break;
3174	}
3175}
3176
3177static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3178					struct amdgpu_irq_src *source,
3179					unsigned hpd,
3180					enum amdgpu_interrupt_state state)
3181{
3182	u32 tmp;
3183
3184	if (hpd >= adev->mode_info.num_hpd) {
3185		DRM_DEBUG("invalid hdp %d\n", hpd);
3186		return 0;
3187	}
3188
3189	switch (state) {
3190	case AMDGPU_IRQ_STATE_DISABLE:
3191		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3192		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3193		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3194		break;
3195	case AMDGPU_IRQ_STATE_ENABLE:
3196		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3197		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3198		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3199		break;
3200	default:
3201		break;
3202	}
3203
3204	return 0;
3205}
3206
3207static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3208					struct amdgpu_irq_src *source,
3209					unsigned type,
3210					enum amdgpu_interrupt_state state)
3211{
3212	switch (type) {
3213	case AMDGPU_CRTC_IRQ_VBLANK1:
3214		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3215		break;
3216	case AMDGPU_CRTC_IRQ_VBLANK2:
3217		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3218		break;
3219	case AMDGPU_CRTC_IRQ_VBLANK3:
3220		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3221		break;
3222	case AMDGPU_CRTC_IRQ_VBLANK4:
3223		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3224		break;
3225	case AMDGPU_CRTC_IRQ_VBLANK5:
3226		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3227		break;
3228	case AMDGPU_CRTC_IRQ_VBLANK6:
3229		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3230		break;
3231	case AMDGPU_CRTC_IRQ_VLINE1:
3232		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3233		break;
3234	case AMDGPU_CRTC_IRQ_VLINE2:
3235		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3236		break;
3237	case AMDGPU_CRTC_IRQ_VLINE3:
3238		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3239		break;
3240	case AMDGPU_CRTC_IRQ_VLINE4:
3241		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3242		break;
3243	case AMDGPU_CRTC_IRQ_VLINE5:
3244		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3245		break;
3246	 case AMDGPU_CRTC_IRQ_VLINE6:
3247		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3248		break;
3249	default:
3250		break;
3251	}
3252	return 0;
3253}
3254
3255static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3256					    struct amdgpu_irq_src *src,
3257					    unsigned type,
3258					    enum amdgpu_interrupt_state state)
3259{
3260	u32 reg;
3261
3262	if (type >= adev->mode_info.num_crtc) {
3263		DRM_ERROR("invalid pageflip crtc %d\n", type);
3264		return -EINVAL;
3265	}
3266
3267	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3268	if (state == AMDGPU_IRQ_STATE_DISABLE)
3269		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3270		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3271	else
3272		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3273		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3274
3275	return 0;
3276}
3277
3278static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3279				  struct amdgpu_irq_src *source,
3280				  struct amdgpu_iv_entry *entry)
3281{
3282	unsigned long flags;
3283	unsigned crtc_id;
3284	struct amdgpu_crtc *amdgpu_crtc;
3285	struct amdgpu_flip_work *works;
3286
3287	crtc_id = (entry->src_id - 8) >> 1;
3288	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3289
3290	if (crtc_id >= adev->mode_info.num_crtc) {
3291		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3292		return -EINVAL;
3293	}
3294
3295	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3296	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3297		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3298		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3299
3300	/* IRQ could occur when in initial stage */
3301	if(amdgpu_crtc == NULL)
3302		return 0;
3303
3304	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3305	works = amdgpu_crtc->pflip_works;
3306	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3307		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3308						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3309						 amdgpu_crtc->pflip_status,
3310						 AMDGPU_FLIP_SUBMITTED);
3311		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3312		return 0;
3313	}
3314
3315	/* page flip completed. clean up */
3316	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3317	amdgpu_crtc->pflip_works = NULL;
3318
3319	/* wakeup usersapce */
3320	if(works->event)
3321		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3322
3323	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3324
3325	drm_crtc_vblank_put(&amdgpu_crtc->base);
3326	schedule_work(&works->unpin_work);
3327
3328	return 0;
3329}
3330
3331static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3332				  int hpd)
3333{
3334	u32 tmp;
3335
3336	if (hpd >= adev->mode_info.num_hpd) {
3337		DRM_DEBUG("invalid hdp %d\n", hpd);
3338		return;
3339	}
3340
3341	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3342	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3343	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3344}
3345
3346static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3347					  int crtc)
3348{
3349	u32 tmp;
3350
3351	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3352		DRM_DEBUG("invalid crtc %d\n", crtc);
3353		return;
3354	}
3355
3356	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3357	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3358	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3359}
3360
3361static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3362					 int crtc)
3363{
3364	u32 tmp;
3365
3366	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3367		DRM_DEBUG("invalid crtc %d\n", crtc);
3368		return;
3369	}
3370
3371	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3372	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3373	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3374}
3375
3376static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3377				struct amdgpu_irq_src *source,
3378				struct amdgpu_iv_entry *entry)
3379{
3380	unsigned crtc = entry->src_id - 1;
3381	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3382	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3383								    crtc);
3384
3385	switch (entry->src_data[0]) {
3386	case 0: /* vblank */
3387		if (disp_int & interrupt_status_offsets[crtc].vblank)
3388			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3389		else
3390			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3391
3392		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3393			drm_handle_vblank(adev_to_drm(adev), crtc);
3394		}
3395		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3396
3397		break;
3398	case 1: /* vline */
3399		if (disp_int & interrupt_status_offsets[crtc].vline)
3400			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3401		else
3402			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3403
3404		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3405
3406		break;
3407	default:
3408		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3409		break;
3410	}
3411
3412	return 0;
3413}
3414
3415static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3416			     struct amdgpu_irq_src *source,
3417			     struct amdgpu_iv_entry *entry)
3418{
3419	uint32_t disp_int, mask;
3420	unsigned hpd;
3421
3422	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3423		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3424		return 0;
3425	}
3426
3427	hpd = entry->src_data[0];
3428	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3429	mask = interrupt_status_offsets[hpd].hpd;
3430
3431	if (disp_int & mask) {
3432		dce_v11_0_hpd_int_ack(adev, hpd);
3433		schedule_delayed_work(&adev->hotplug_work, 0);
3434		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3435	}
3436
3437	return 0;
3438}
3439
3440static int dce_v11_0_set_clockgating_state(void *handle,
3441					  enum amd_clockgating_state state)
3442{
3443	return 0;
3444}
3445
3446static int dce_v11_0_set_powergating_state(void *handle,
3447					  enum amd_powergating_state state)
3448{
3449	return 0;
3450}
3451
3452static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3453	.name = "dce_v11_0",
3454	.early_init = dce_v11_0_early_init,
3455	.late_init = NULL,
3456	.sw_init = dce_v11_0_sw_init,
3457	.sw_fini = dce_v11_0_sw_fini,
3458	.hw_init = dce_v11_0_hw_init,
3459	.hw_fini = dce_v11_0_hw_fini,
3460	.suspend = dce_v11_0_suspend,
3461	.resume = dce_v11_0_resume,
3462	.is_idle = dce_v11_0_is_idle,
3463	.wait_for_idle = dce_v11_0_wait_for_idle,
3464	.soft_reset = dce_v11_0_soft_reset,
3465	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3466	.set_powergating_state = dce_v11_0_set_powergating_state,
3467};
3468
3469static void
3470dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3471			  struct drm_display_mode *mode,
3472			  struct drm_display_mode *adjusted_mode)
3473{
3474	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3475
3476	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3477
3478	/* need to call this here rather than in prepare() since we need some crtc info */
3479	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3480
3481	/* set scaler clears this on some chips */
3482	dce_v11_0_set_interleave(encoder->crtc, mode);
3483
3484	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3485		dce_v11_0_afmt_enable(encoder, true);
3486		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3487	}
3488}
3489
3490static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3491{
3492	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3493	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3494	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3495
3496	if ((amdgpu_encoder->active_device &
3497	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3498	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3499	     ENCODER_OBJECT_ID_NONE)) {
3500		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3501		if (dig) {
3502			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3503			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3504				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3505		}
3506	}
3507
3508	amdgpu_atombios_scratch_regs_lock(adev, true);
3509
3510	if (connector) {
3511		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3512
3513		/* select the clock/data port if it uses a router */
3514		if (amdgpu_connector->router.cd_valid)
3515			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3516
3517		/* turn eDP panel on for mode set */
3518		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3519			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3520							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3521	}
3522
3523	/* this is needed for the pll/ss setup to work correctly in some cases */
3524	amdgpu_atombios_encoder_set_crtc_source(encoder);
3525	/* set up the FMT blocks */
3526	dce_v11_0_program_fmt(encoder);
3527}
3528
3529static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3530{
3531	struct drm_device *dev = encoder->dev;
3532	struct amdgpu_device *adev = drm_to_adev(dev);
3533
3534	/* need to call this here as we need the crtc set up */
3535	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3536	amdgpu_atombios_scratch_regs_lock(adev, false);
3537}
3538
3539static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3540{
3541	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3542	struct amdgpu_encoder_atom_dig *dig;
3543
3544	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3545
3546	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3547		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3548			dce_v11_0_afmt_enable(encoder, false);
3549		dig = amdgpu_encoder->enc_priv;
3550		dig->dig_encoder = -1;
3551	}
3552	amdgpu_encoder->active_device = 0;
3553}
3554
3555/* these are handled by the primary encoders */
3556static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3557{
3558
3559}
3560
3561static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3562{
3563
3564}
3565
3566static void
3567dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3568		      struct drm_display_mode *mode,
3569		      struct drm_display_mode *adjusted_mode)
3570{
3571
3572}
3573
3574static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3575{
3576
3577}
3578
3579static void
3580dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3581{
3582
3583}
3584
3585static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3586	.dpms = dce_v11_0_ext_dpms,
3587	.prepare = dce_v11_0_ext_prepare,
3588	.mode_set = dce_v11_0_ext_mode_set,
3589	.commit = dce_v11_0_ext_commit,
3590	.disable = dce_v11_0_ext_disable,
3591	/* no detect for TMDS/LVDS yet */
3592};
3593
3594static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3595	.dpms = amdgpu_atombios_encoder_dpms,
3596	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3597	.prepare = dce_v11_0_encoder_prepare,
3598	.mode_set = dce_v11_0_encoder_mode_set,
3599	.commit = dce_v11_0_encoder_commit,
3600	.disable = dce_v11_0_encoder_disable,
3601	.detect = amdgpu_atombios_encoder_dig_detect,
3602};
3603
3604static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3605	.dpms = amdgpu_atombios_encoder_dpms,
3606	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3607	.prepare = dce_v11_0_encoder_prepare,
3608	.mode_set = dce_v11_0_encoder_mode_set,
3609	.commit = dce_v11_0_encoder_commit,
3610	.detect = amdgpu_atombios_encoder_dac_detect,
3611};
3612
3613static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3614{
3615	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3616	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3617		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3618	kfree(amdgpu_encoder->enc_priv);
3619	drm_encoder_cleanup(encoder);
3620	kfree(amdgpu_encoder);
3621}
3622
3623static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3624	.destroy = dce_v11_0_encoder_destroy,
3625};
3626
3627static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3628				 uint32_t encoder_enum,
3629				 uint32_t supported_device,
3630				 u16 caps)
3631{
3632	struct drm_device *dev = adev_to_drm(adev);
3633	struct drm_encoder *encoder;
3634	struct amdgpu_encoder *amdgpu_encoder;
3635
3636	/* see if we already added it */
3637	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3638		amdgpu_encoder = to_amdgpu_encoder(encoder);
3639		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3640			amdgpu_encoder->devices |= supported_device;
3641			return;
3642		}
3643
3644	}
3645
3646	/* add a new one */
3647	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3648	if (!amdgpu_encoder)
3649		return;
3650
3651	encoder = &amdgpu_encoder->base;
3652	switch (adev->mode_info.num_crtc) {
3653	case 1:
3654		encoder->possible_crtcs = 0x1;
3655		break;
3656	case 2:
3657	default:
3658		encoder->possible_crtcs = 0x3;
3659		break;
3660	case 3:
3661		encoder->possible_crtcs = 0x7;
3662		break;
3663	case 4:
3664		encoder->possible_crtcs = 0xf;
3665		break;
3666	case 5:
3667		encoder->possible_crtcs = 0x1f;
3668		break;
3669	case 6:
3670		encoder->possible_crtcs = 0x3f;
3671		break;
3672	}
3673
3674	amdgpu_encoder->enc_priv = NULL;
3675
3676	amdgpu_encoder->encoder_enum = encoder_enum;
3677	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3678	amdgpu_encoder->devices = supported_device;
3679	amdgpu_encoder->rmx_type = RMX_OFF;
3680	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3681	amdgpu_encoder->is_ext_encoder = false;
3682	amdgpu_encoder->caps = caps;
3683
3684	switch (amdgpu_encoder->encoder_id) {
3685	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3686	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3687		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3688				 DRM_MODE_ENCODER_DAC, NULL);
3689		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3690		break;
3691	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3692	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3693	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3694	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3695	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3696		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3697			amdgpu_encoder->rmx_type = RMX_FULL;
3698			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3699					 DRM_MODE_ENCODER_LVDS, NULL);
3700			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3701		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3702			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3703					 DRM_MODE_ENCODER_DAC, NULL);
3704			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3705		} else {
3706			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3707					 DRM_MODE_ENCODER_TMDS, NULL);
3708			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3709		}
3710		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3711		break;
3712	case ENCODER_OBJECT_ID_SI170B:
3713	case ENCODER_OBJECT_ID_CH7303:
3714	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3715	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3716	case ENCODER_OBJECT_ID_TITFP513:
3717	case ENCODER_OBJECT_ID_VT1623:
3718	case ENCODER_OBJECT_ID_HDMI_SI1930:
3719	case ENCODER_OBJECT_ID_TRAVIS:
3720	case ENCODER_OBJECT_ID_NUTMEG:
3721		/* these are handled by the primary encoders */
3722		amdgpu_encoder->is_ext_encoder = true;
3723		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3724			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3725					 DRM_MODE_ENCODER_LVDS, NULL);
3726		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3727			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3728					 DRM_MODE_ENCODER_DAC, NULL);
3729		else
3730			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3731					 DRM_MODE_ENCODER_TMDS, NULL);
3732		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3733		break;
3734	}
3735}
3736
3737static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3738	.bandwidth_update = &dce_v11_0_bandwidth_update,
3739	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
3740	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3741	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3742	.hpd_sense = &dce_v11_0_hpd_sense,
3743	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3744	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3745	.page_flip = &dce_v11_0_page_flip,
3746	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3747	.add_encoder = &dce_v11_0_encoder_add,
3748	.add_connector = &amdgpu_connector_add,
3749};
3750
3751static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3752{
3753	adev->mode_info.funcs = &dce_v11_0_display_funcs;
3754}
3755
3756static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3757	.set = dce_v11_0_set_crtc_irq_state,
3758	.process = dce_v11_0_crtc_irq,
3759};
3760
3761static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3762	.set = dce_v11_0_set_pageflip_irq_state,
3763	.process = dce_v11_0_pageflip_irq,
3764};
3765
3766static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3767	.set = dce_v11_0_set_hpd_irq_state,
3768	.process = dce_v11_0_hpd_irq,
3769};
3770
3771static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3772{
3773	if (adev->mode_info.num_crtc > 0)
3774		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3775	else
3776		adev->crtc_irq.num_types = 0;
3777	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3778
3779	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3780	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3781
3782	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3783	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3784}
3785
3786const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3787{
3788	.type = AMD_IP_BLOCK_TYPE_DCE,
3789	.major = 11,
3790	.minor = 0,
3791	.rev = 0,
3792	.funcs = &dce_v11_0_ip_funcs,
3793};
3794
3795const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3796{
3797	.type = AMD_IP_BLOCK_TYPE_DCE,
3798	.major = 11,
3799	.minor = 2,
3800	.rev = 0,
3801	.funcs = &dce_v11_0_ip_funcs,
3802};
3803