1/*
2 * Copyright 2015 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 <linux/pci.h>
25
26#include <drm/drm_edid.h>
27#include <drm/drm_fourcc.h>
28#include <drm/drm_modeset_helper.h>
29#include <drm/drm_modeset_helper_vtables.h>
30#include <drm/drm_vblank.h>
31
32#include "amdgpu.h"
33#include "amdgpu_pm.h"
34#include "amdgpu_i2c.h"
35#include "atom.h"
36#include "amdgpu_atombios.h"
37#include "atombios_crtc.h"
38#include "atombios_encoders.h"
39#include "amdgpu_pll.h"
40#include "amdgpu_connectors.h"
41#include "amdgpu_display.h"
42
43#include "bif/bif_3_0_d.h"
44#include "bif/bif_3_0_sh_mask.h"
45#include "oss/oss_1_0_d.h"
46#include "oss/oss_1_0_sh_mask.h"
47#include "gca/gfx_6_0_d.h"
48#include "gca/gfx_6_0_sh_mask.h"
49#include "gmc/gmc_6_0_d.h"
50#include "gmc/gmc_6_0_sh_mask.h"
51#include "dce/dce_6_0_d.h"
52#include "dce/dce_6_0_sh_mask.h"
53#include "gca/gfx_7_2_enum.h"
54#include "dce_v6_0.h"
55#include "si_enums.h"
56
57static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev);
58static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev);
59
60static const u32 crtc_offsets[6] =
61{
62	SI_CRTC0_REGISTER_OFFSET,
63	SI_CRTC1_REGISTER_OFFSET,
64	SI_CRTC2_REGISTER_OFFSET,
65	SI_CRTC3_REGISTER_OFFSET,
66	SI_CRTC4_REGISTER_OFFSET,
67	SI_CRTC5_REGISTER_OFFSET
68};
69
70static const u32 hpd_offsets[] =
71{
72	mmDC_HPD1_INT_STATUS - mmDC_HPD1_INT_STATUS,
73	mmDC_HPD2_INT_STATUS - mmDC_HPD1_INT_STATUS,
74	mmDC_HPD3_INT_STATUS - mmDC_HPD1_INT_STATUS,
75	mmDC_HPD4_INT_STATUS - mmDC_HPD1_INT_STATUS,
76	mmDC_HPD5_INT_STATUS - mmDC_HPD1_INT_STATUS,
77	mmDC_HPD6_INT_STATUS - mmDC_HPD1_INT_STATUS,
78};
79
80static const uint32_t dig_offsets[] = {
81	SI_CRTC0_REGISTER_OFFSET,
82	SI_CRTC1_REGISTER_OFFSET,
83	SI_CRTC2_REGISTER_OFFSET,
84	SI_CRTC3_REGISTER_OFFSET,
85	SI_CRTC4_REGISTER_OFFSET,
86	SI_CRTC5_REGISTER_OFFSET,
87	(0x13830 - 0x7030) >> 2,
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[6] = { {
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 u32 dce_v6_0_audio_endpt_rreg(struct amdgpu_device *adev,
129				     u32 block_offset, u32 reg)
130{
131	unsigned long flags;
132	u32 r;
133
134	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
135	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
136	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
137	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
138
139	return r;
140}
141
142static void dce_v6_0_audio_endpt_wreg(struct amdgpu_device *adev,
143				      u32 block_offset, u32 reg, u32 v)
144{
145	unsigned long flags;
146
147	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
148	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset,
149		reg | AZALIA_F0_CODEC_ENDPOINT_INDEX__AZALIA_ENDPOINT_REG_WRITE_EN_MASK);
150	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
151	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
152}
153
154static u32 dce_v6_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
155{
156	if (crtc >= adev->mode_info.num_crtc)
157		return 0;
158	else
159		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
160}
161
162static void dce_v6_0_pageflip_interrupt_init(struct amdgpu_device *adev)
163{
164	unsigned i;
165
166	/* Enable pflip interrupts */
167	for (i = 0; i < adev->mode_info.num_crtc; i++)
168		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
169}
170
171static void dce_v6_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
172{
173	unsigned i;
174
175	/* Disable pflip interrupts */
176	for (i = 0; i < adev->mode_info.num_crtc; i++)
177		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
178}
179
180/**
181 * dce_v6_0_page_flip - pageflip callback.
182 *
183 * @adev: amdgpu_device pointer
184 * @crtc_id: crtc to cleanup pageflip on
185 * @crtc_base: new address of the crtc (GPU MC address)
186 * @async: asynchronous flip
187 *
188 * Does the actual pageflip (evergreen+).
189 * During vblank we take the crtc lock and wait for the update_pending
190 * bit to go high, when it does, we release the lock, and allow the
191 * double buffered update to take place.
192 * Returns the current update pending status.
193 */
194static void dce_v6_0_page_flip(struct amdgpu_device *adev,
195			       int crtc_id, u64 crtc_base, bool async)
196{
197	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
198	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
199
200	/* flip at hsync for async, default is vsync */
201	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
202	       GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
203	/* update pitch */
204	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
205	       fb->pitches[0] / fb->format->cpp[0]);
206	/* update the scanout addresses */
207	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
208	       upper_32_bits(crtc_base));
209	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
210	       (u32)crtc_base);
211
212	/* post the write */
213	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
214}
215
216static int dce_v6_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
217					u32 *vbl, u32 *position)
218{
219	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
220		return -EINVAL;
221	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
222	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
223
224	return 0;
225
226}
227
228/**
229 * dce_v6_0_hpd_sense - hpd sense callback.
230 *
231 * @adev: amdgpu_device pointer
232 * @hpd: hpd (hotplug detect) pin
233 *
234 * Checks if a digital monitor is connected (evergreen+).
235 * Returns true if connected, false if not connected.
236 */
237static bool dce_v6_0_hpd_sense(struct amdgpu_device *adev,
238			       enum amdgpu_hpd_id hpd)
239{
240	bool connected = false;
241
242	if (hpd >= adev->mode_info.num_hpd)
243		return connected;
244
245	if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) & DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
246		connected = true;
247
248	return connected;
249}
250
251/**
252 * dce_v6_0_hpd_set_polarity - hpd set polarity callback.
253 *
254 * @adev: amdgpu_device pointer
255 * @hpd: hpd (hotplug detect) pin
256 *
257 * Set the polarity of the hpd pin (evergreen+).
258 */
259static void dce_v6_0_hpd_set_polarity(struct amdgpu_device *adev,
260				      enum amdgpu_hpd_id hpd)
261{
262	u32 tmp;
263	bool connected = dce_v6_0_hpd_sense(adev, hpd);
264
265	if (hpd >= adev->mode_info.num_hpd)
266		return;
267
268	tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
269	if (connected)
270		tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
271	else
272		tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
273	WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
274}
275
276static void dce_v6_0_hpd_int_ack(struct amdgpu_device *adev,
277				 int hpd)
278{
279	u32 tmp;
280
281	if (hpd >= adev->mode_info.num_hpd) {
282		DRM_DEBUG("invalid hdp %d\n", hpd);
283		return;
284	}
285
286	tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
287	tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
288	WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
289}
290
291/**
292 * dce_v6_0_hpd_init - hpd setup callback.
293 *
294 * @adev: amdgpu_device pointer
295 *
296 * Setup the hpd pins used by the card (evergreen+).
297 * Enable the pin, set the polarity, and enable the hpd interrupts.
298 */
299static void dce_v6_0_hpd_init(struct amdgpu_device *adev)
300{
301	struct drm_device *dev = adev_to_drm(adev);
302	struct drm_connector *connector;
303	struct drm_connector_list_iter iter;
304	u32 tmp;
305
306	drm_connector_list_iter_begin(dev, &iter);
307	drm_for_each_connector_iter(connector, &iter) {
308		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
309
310		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
311			continue;
312
313		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
314		tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
315		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
316
317		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
318		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
319			/* don't try to enable hpd on eDP or LVDS avoid breaking the
320			 * aux dp channel on imac and help (but not completely fix)
321			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
322			 * also avoid interrupt storms during dpms.
323			 */
324			tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
325			tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
326			WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
327			continue;
328		}
329
330		dce_v6_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
331		dce_v6_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
332		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
333	}
334	drm_connector_list_iter_end(&iter);
335}
336
337/**
338 * dce_v6_0_hpd_fini - hpd tear down callback.
339 *
340 * @adev: amdgpu_device pointer
341 *
342 * Tear down the hpd pins used by the card (evergreen+).
343 * Disable the hpd interrupts.
344 */
345static void dce_v6_0_hpd_fini(struct amdgpu_device *adev)
346{
347	struct drm_device *dev = adev_to_drm(adev);
348	struct drm_connector *connector;
349	struct drm_connector_list_iter iter;
350	u32 tmp;
351
352	drm_connector_list_iter_begin(dev, &iter);
353	drm_for_each_connector_iter(connector, &iter) {
354		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
355
356		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
357			continue;
358
359		tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
360		tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
361		WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
362
363		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
364	}
365	drm_connector_list_iter_end(&iter);
366}
367
368static u32 dce_v6_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
369{
370	return mmDC_GPIO_HPD_A;
371}
372
373static void dce_v6_0_set_vga_render_state(struct amdgpu_device *adev,
374					  bool render)
375{
376	if (!render)
377		WREG32(mmVGA_RENDER_CONTROL,
378			RREG32(mmVGA_RENDER_CONTROL) & VGA_VSTATUS_CNTL);
379
380}
381
382static int dce_v6_0_get_num_crtc(struct amdgpu_device *adev)
383{
384	switch (adev->asic_type) {
385	case CHIP_TAHITI:
386	case CHIP_PITCAIRN:
387	case CHIP_VERDE:
388		return 6;
389	case CHIP_OLAND:
390		return 2;
391	default:
392		return 0;
393	}
394}
395
396void dce_v6_0_disable_dce(struct amdgpu_device *adev)
397{
398	/*Disable VGA render and enabled crtc, if has DCE engine*/
399	if (amdgpu_atombios_has_dce_engine_info(adev)) {
400		u32 tmp;
401		int crtc_enabled, i;
402
403		dce_v6_0_set_vga_render_state(adev, false);
404
405		/*Disable crtc*/
406		for (i = 0; i < dce_v6_0_get_num_crtc(adev); i++) {
407			crtc_enabled = RREG32(mmCRTC_CONTROL + crtc_offsets[i]) &
408				CRTC_CONTROL__CRTC_MASTER_EN_MASK;
409			if (crtc_enabled) {
410				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
411				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
412				tmp &= ~CRTC_CONTROL__CRTC_MASTER_EN_MASK;
413				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
414				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
415			}
416		}
417	}
418}
419
420static void dce_v6_0_program_fmt(struct drm_encoder *encoder)
421{
422
423	struct drm_device *dev = encoder->dev;
424	struct amdgpu_device *adev = drm_to_adev(dev);
425	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
426	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
427	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
428	int bpc = 0;
429	u32 tmp = 0;
430	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
431
432	if (connector) {
433		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
434		bpc = amdgpu_connector_get_monitor_bpc(connector);
435		dither = amdgpu_connector->dither;
436	}
437
438	/* LVDS FMT is set up by atom */
439	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
440		return;
441
442	if (bpc == 0)
443		return;
444
445
446	switch (bpc) {
447	case 6:
448		if (dither == AMDGPU_FMT_DITHER_ENABLE)
449			/* XXX sort out optimal dither settings */
450			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
451				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
452				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK);
453		else
454			tmp |= FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK;
455		break;
456	case 8:
457		if (dither == AMDGPU_FMT_DITHER_ENABLE)
458			/* XXX sort out optimal dither settings */
459			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
460				FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
461				FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
462				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
463				FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH_MASK);
464		else
465			tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
466				FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH_MASK);
467		break;
468	case 10:
469	default:
470		/* not needed */
471		break;
472	}
473
474	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
475}
476
477/**
478 * si_get_number_of_dram_channels - get the number of dram channels
479 *
480 * @adev: amdgpu_device pointer
481 *
482 * Look up the number of video ram channels (CIK).
483 * Used for display watermark bandwidth calculations
484 * Returns the number of dram channels
485 */
486static u32 si_get_number_of_dram_channels(struct amdgpu_device *adev)
487{
488	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
489
490	switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
491	case 0:
492	default:
493		return 1;
494	case 1:
495		return 2;
496	case 2:
497		return 4;
498	case 3:
499		return 8;
500	case 4:
501		return 3;
502	case 5:
503		return 6;
504	case 6:
505		return 10;
506	case 7:
507		return 12;
508	case 8:
509		return 16;
510	}
511}
512
513struct dce6_wm_params {
514	u32 dram_channels; /* number of dram channels */
515	u32 yclk;          /* bandwidth per dram data pin in kHz */
516	u32 sclk;          /* engine clock in kHz */
517	u32 disp_clk;      /* display clock in kHz */
518	u32 src_width;     /* viewport width */
519	u32 active_time;   /* active display time in ns */
520	u32 blank_time;    /* blank time in ns */
521	bool interlaced;    /* mode is interlaced */
522	fixed20_12 vsc;    /* vertical scale ratio */
523	u32 num_heads;     /* number of active crtcs */
524	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
525	u32 lb_size;       /* line buffer allocated to pipe */
526	u32 vtaps;         /* vertical scaler taps */
527};
528
529/**
530 * dce_v6_0_dram_bandwidth - get the dram bandwidth
531 *
532 * @wm: watermark calculation data
533 *
534 * Calculate the raw dram bandwidth (CIK).
535 * Used for display watermark bandwidth calculations
536 * Returns the dram bandwidth in MBytes/s
537 */
538static u32 dce_v6_0_dram_bandwidth(struct dce6_wm_params *wm)
539{
540	/* Calculate raw DRAM Bandwidth */
541	fixed20_12 dram_efficiency; /* 0.7 */
542	fixed20_12 yclk, dram_channels, bandwidth;
543	fixed20_12 a;
544
545	a.full = dfixed_const(1000);
546	yclk.full = dfixed_const(wm->yclk);
547	yclk.full = dfixed_div(yclk, a);
548	dram_channels.full = dfixed_const(wm->dram_channels * 4);
549	a.full = dfixed_const(10);
550	dram_efficiency.full = dfixed_const(7);
551	dram_efficiency.full = dfixed_div(dram_efficiency, a);
552	bandwidth.full = dfixed_mul(dram_channels, yclk);
553	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
554
555	return dfixed_trunc(bandwidth);
556}
557
558/**
559 * dce_v6_0_dram_bandwidth_for_display - get the dram bandwidth for display
560 *
561 * @wm: watermark calculation data
562 *
563 * Calculate the dram bandwidth used for display (CIK).
564 * Used for display watermark bandwidth calculations
565 * Returns the dram bandwidth for display in MBytes/s
566 */
567static u32 dce_v6_0_dram_bandwidth_for_display(struct dce6_wm_params *wm)
568{
569	/* Calculate DRAM Bandwidth and the part allocated to display. */
570	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
571	fixed20_12 yclk, dram_channels, bandwidth;
572	fixed20_12 a;
573
574	a.full = dfixed_const(1000);
575	yclk.full = dfixed_const(wm->yclk);
576	yclk.full = dfixed_div(yclk, a);
577	dram_channels.full = dfixed_const(wm->dram_channels * 4);
578	a.full = dfixed_const(10);
579	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
580	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
581	bandwidth.full = dfixed_mul(dram_channels, yclk);
582	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
583
584	return dfixed_trunc(bandwidth);
585}
586
587/**
588 * dce_v6_0_data_return_bandwidth - get the data return bandwidth
589 *
590 * @wm: watermark calculation data
591 *
592 * Calculate the data return bandwidth used for display (CIK).
593 * Used for display watermark bandwidth calculations
594 * Returns the data return bandwidth in MBytes/s
595 */
596static u32 dce_v6_0_data_return_bandwidth(struct dce6_wm_params *wm)
597{
598	/* Calculate the display Data return Bandwidth */
599	fixed20_12 return_efficiency; /* 0.8 */
600	fixed20_12 sclk, bandwidth;
601	fixed20_12 a;
602
603	a.full = dfixed_const(1000);
604	sclk.full = dfixed_const(wm->sclk);
605	sclk.full = dfixed_div(sclk, a);
606	a.full = dfixed_const(10);
607	return_efficiency.full = dfixed_const(8);
608	return_efficiency.full = dfixed_div(return_efficiency, a);
609	a.full = dfixed_const(32);
610	bandwidth.full = dfixed_mul(a, sclk);
611	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
612
613	return dfixed_trunc(bandwidth);
614}
615
616/**
617 * dce_v6_0_dmif_request_bandwidth - get the dmif bandwidth
618 *
619 * @wm: watermark calculation data
620 *
621 * Calculate the dmif bandwidth used for display (CIK).
622 * Used for display watermark bandwidth calculations
623 * Returns the dmif bandwidth in MBytes/s
624 */
625static u32 dce_v6_0_dmif_request_bandwidth(struct dce6_wm_params *wm)
626{
627	/* Calculate the DMIF Request Bandwidth */
628	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
629	fixed20_12 disp_clk, bandwidth;
630	fixed20_12 a, b;
631
632	a.full = dfixed_const(1000);
633	disp_clk.full = dfixed_const(wm->disp_clk);
634	disp_clk.full = dfixed_div(disp_clk, a);
635	a.full = dfixed_const(32);
636	b.full = dfixed_mul(a, disp_clk);
637
638	a.full = dfixed_const(10);
639	disp_clk_request_efficiency.full = dfixed_const(8);
640	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
641
642	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
643
644	return dfixed_trunc(bandwidth);
645}
646
647/**
648 * dce_v6_0_available_bandwidth - get the min available bandwidth
649 *
650 * @wm: watermark calculation data
651 *
652 * Calculate the min available bandwidth used for display (CIK).
653 * Used for display watermark bandwidth calculations
654 * Returns the min available bandwidth in MBytes/s
655 */
656static u32 dce_v6_0_available_bandwidth(struct dce6_wm_params *wm)
657{
658	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
659	u32 dram_bandwidth = dce_v6_0_dram_bandwidth(wm);
660	u32 data_return_bandwidth = dce_v6_0_data_return_bandwidth(wm);
661	u32 dmif_req_bandwidth = dce_v6_0_dmif_request_bandwidth(wm);
662
663	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
664}
665
666/**
667 * dce_v6_0_average_bandwidth - get the average available bandwidth
668 *
669 * @wm: watermark calculation data
670 *
671 * Calculate the average available bandwidth used for display (CIK).
672 * Used for display watermark bandwidth calculations
673 * Returns the average available bandwidth in MBytes/s
674 */
675static u32 dce_v6_0_average_bandwidth(struct dce6_wm_params *wm)
676{
677	/* Calculate the display mode Average Bandwidth
678	 * DisplayMode should contain the source and destination dimensions,
679	 * timing, etc.
680	 */
681	fixed20_12 bpp;
682	fixed20_12 line_time;
683	fixed20_12 src_width;
684	fixed20_12 bandwidth;
685	fixed20_12 a;
686
687	a.full = dfixed_const(1000);
688	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
689	line_time.full = dfixed_div(line_time, a);
690	bpp.full = dfixed_const(wm->bytes_per_pixel);
691	src_width.full = dfixed_const(wm->src_width);
692	bandwidth.full = dfixed_mul(src_width, bpp);
693	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
694	bandwidth.full = dfixed_div(bandwidth, line_time);
695
696	return dfixed_trunc(bandwidth);
697}
698
699/**
700 * dce_v6_0_latency_watermark - get the latency watermark
701 *
702 * @wm: watermark calculation data
703 *
704 * Calculate the latency watermark (CIK).
705 * Used for display watermark bandwidth calculations
706 * Returns the latency watermark in ns
707 */
708static u32 dce_v6_0_latency_watermark(struct dce6_wm_params *wm)
709{
710	/* First calculate the latency in ns */
711	u32 mc_latency = 2000; /* 2000 ns. */
712	u32 available_bandwidth = dce_v6_0_available_bandwidth(wm);
713	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
714	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
715	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
716	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
717		(wm->num_heads * cursor_line_pair_return_time);
718	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
719	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
720	u32 tmp, dmif_size = 12288;
721	fixed20_12 a, b, c;
722
723	if (wm->num_heads == 0)
724		return 0;
725
726	a.full = dfixed_const(2);
727	b.full = dfixed_const(1);
728	if ((wm->vsc.full > a.full) ||
729	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
730	    (wm->vtaps >= 5) ||
731	    ((wm->vsc.full >= a.full) && wm->interlaced))
732		max_src_lines_per_dst_line = 4;
733	else
734		max_src_lines_per_dst_line = 2;
735
736	a.full = dfixed_const(available_bandwidth);
737	b.full = dfixed_const(wm->num_heads);
738	a.full = dfixed_div(a, b);
739	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
740	tmp = min(dfixed_trunc(a), tmp);
741
742	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
743
744	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
745	b.full = dfixed_const(1000);
746	c.full = dfixed_const(lb_fill_bw);
747	b.full = dfixed_div(c, b);
748	a.full = dfixed_div(a, b);
749	line_fill_time = dfixed_trunc(a);
750
751	if (line_fill_time < wm->active_time)
752		return latency;
753	else
754		return latency + (line_fill_time - wm->active_time);
755
756}
757
758/**
759 * dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display - check
760 * average and available dram bandwidth
761 *
762 * @wm: watermark calculation data
763 *
764 * Check if the display average bandwidth fits in the display
765 * dram bandwidth (CIK).
766 * Used for display watermark bandwidth calculations
767 * Returns true if the display fits, false if not.
768 */
769static bool dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
770{
771	if (dce_v6_0_average_bandwidth(wm) <=
772	    (dce_v6_0_dram_bandwidth_for_display(wm) / wm->num_heads))
773		return true;
774	else
775		return false;
776}
777
778/**
779 * dce_v6_0_average_bandwidth_vs_available_bandwidth - check
780 * average and available bandwidth
781 *
782 * @wm: watermark calculation data
783 *
784 * Check if the display average bandwidth fits in the display
785 * available bandwidth (CIK).
786 * Used for display watermark bandwidth calculations
787 * Returns true if the display fits, false if not.
788 */
789static bool dce_v6_0_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
790{
791	if (dce_v6_0_average_bandwidth(wm) <=
792	    (dce_v6_0_available_bandwidth(wm) / wm->num_heads))
793		return true;
794	else
795		return false;
796}
797
798/**
799 * dce_v6_0_check_latency_hiding - check latency hiding
800 *
801 * @wm: watermark calculation data
802 *
803 * Check latency hiding (CIK).
804 * Used for display watermark bandwidth calculations
805 * Returns true if the display fits, false if not.
806 */
807static bool dce_v6_0_check_latency_hiding(struct dce6_wm_params *wm)
808{
809	u32 lb_partitions = wm->lb_size / wm->src_width;
810	u32 line_time = wm->active_time + wm->blank_time;
811	u32 latency_tolerant_lines;
812	u32 latency_hiding;
813	fixed20_12 a;
814
815	a.full = dfixed_const(1);
816	if (wm->vsc.full > a.full)
817		latency_tolerant_lines = 1;
818	else {
819		if (lb_partitions <= (wm->vtaps + 1))
820			latency_tolerant_lines = 1;
821		else
822			latency_tolerant_lines = 2;
823	}
824
825	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
826
827	if (dce_v6_0_latency_watermark(wm) <= latency_hiding)
828		return true;
829	else
830		return false;
831}
832
833/**
834 * dce_v6_0_program_watermarks - program display watermarks
835 *
836 * @adev: amdgpu_device pointer
837 * @amdgpu_crtc: the selected display controller
838 * @lb_size: line buffer size
839 * @num_heads: number of display controllers in use
840 *
841 * Calculate and program the display watermarks for the
842 * selected display controller (CIK).
843 */
844static void dce_v6_0_program_watermarks(struct amdgpu_device *adev,
845					struct amdgpu_crtc *amdgpu_crtc,
846					u32 lb_size, u32 num_heads)
847{
848	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
849	struct dce6_wm_params wm_low, wm_high;
850	u32 dram_channels;
851	u32 active_time;
852	u32 line_time = 0;
853	u32 latency_watermark_a = 0, latency_watermark_b = 0;
854	u32 priority_a_mark = 0, priority_b_mark = 0;
855	u32 priority_a_cnt = PRIORITY_OFF;
856	u32 priority_b_cnt = PRIORITY_OFF;
857	u32 tmp, arb_control3, lb_vblank_lead_lines = 0;
858	fixed20_12 a, b, c;
859
860	if (amdgpu_crtc->base.enabled && num_heads && mode) {
861		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
862					    (u32)mode->clock);
863		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
864					  (u32)mode->clock);
865		line_time = min_t(u32, line_time, 65535);
866		priority_a_cnt = 0;
867		priority_b_cnt = 0;
868
869		dram_channels = si_get_number_of_dram_channels(adev);
870
871		/* watermark for high clocks */
872		if (adev->pm.dpm_enabled) {
873			wm_high.yclk =
874				amdgpu_dpm_get_mclk(adev, false) * 10;
875			wm_high.sclk =
876				amdgpu_dpm_get_sclk(adev, false) * 10;
877		} else {
878			wm_high.yclk = adev->pm.current_mclk * 10;
879			wm_high.sclk = adev->pm.current_sclk * 10;
880		}
881
882		wm_high.disp_clk = mode->clock;
883		wm_high.src_width = mode->crtc_hdisplay;
884		wm_high.active_time = active_time;
885		wm_high.blank_time = line_time - wm_high.active_time;
886		wm_high.interlaced = false;
887		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
888			wm_high.interlaced = true;
889		wm_high.vsc = amdgpu_crtc->vsc;
890		wm_high.vtaps = 1;
891		if (amdgpu_crtc->rmx_type != RMX_OFF)
892			wm_high.vtaps = 2;
893		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
894		wm_high.lb_size = lb_size;
895		wm_high.dram_channels = dram_channels;
896		wm_high.num_heads = num_heads;
897
898		if (adev->pm.dpm_enabled) {
899		/* watermark for low clocks */
900			wm_low.yclk =
901				amdgpu_dpm_get_mclk(adev, true) * 10;
902			wm_low.sclk =
903				amdgpu_dpm_get_sclk(adev, true) * 10;
904		} else {
905			wm_low.yclk = adev->pm.current_mclk * 10;
906			wm_low.sclk = adev->pm.current_sclk * 10;
907		}
908
909		wm_low.disp_clk = mode->clock;
910		wm_low.src_width = mode->crtc_hdisplay;
911		wm_low.active_time = active_time;
912		wm_low.blank_time = line_time - wm_low.active_time;
913		wm_low.interlaced = false;
914		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
915			wm_low.interlaced = true;
916		wm_low.vsc = amdgpu_crtc->vsc;
917		wm_low.vtaps = 1;
918		if (amdgpu_crtc->rmx_type != RMX_OFF)
919			wm_low.vtaps = 2;
920		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
921		wm_low.lb_size = lb_size;
922		wm_low.dram_channels = dram_channels;
923		wm_low.num_heads = num_heads;
924
925		/* set for high clocks */
926		latency_watermark_a = min_t(u32, dce_v6_0_latency_watermark(&wm_high), 65535);
927		/* set for low clocks */
928		latency_watermark_b = min_t(u32, dce_v6_0_latency_watermark(&wm_low), 65535);
929
930		/* possibly force display priority to high */
931		/* should really do this at mode validation time... */
932		if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
933		    !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
934		    !dce_v6_0_check_latency_hiding(&wm_high) ||
935		    (adev->mode_info.disp_priority == 2)) {
936			DRM_DEBUG_KMS("force priority to high\n");
937			priority_a_cnt |= PRIORITY_ALWAYS_ON;
938			priority_b_cnt |= PRIORITY_ALWAYS_ON;
939		}
940		if (!dce_v6_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
941		    !dce_v6_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
942		    !dce_v6_0_check_latency_hiding(&wm_low) ||
943		    (adev->mode_info.disp_priority == 2)) {
944			DRM_DEBUG_KMS("force priority to high\n");
945			priority_a_cnt |= PRIORITY_ALWAYS_ON;
946			priority_b_cnt |= PRIORITY_ALWAYS_ON;
947		}
948
949		a.full = dfixed_const(1000);
950		b.full = dfixed_const(mode->clock);
951		b.full = dfixed_div(b, a);
952		c.full = dfixed_const(latency_watermark_a);
953		c.full = dfixed_mul(c, b);
954		c.full = dfixed_mul(c, amdgpu_crtc->hsc);
955		c.full = dfixed_div(c, a);
956		a.full = dfixed_const(16);
957		c.full = dfixed_div(c, a);
958		priority_a_mark = dfixed_trunc(c);
959		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
960
961		a.full = dfixed_const(1000);
962		b.full = dfixed_const(mode->clock);
963		b.full = dfixed_div(b, a);
964		c.full = dfixed_const(latency_watermark_b);
965		c.full = dfixed_mul(c, b);
966		c.full = dfixed_mul(c, amdgpu_crtc->hsc);
967		c.full = dfixed_div(c, a);
968		a.full = dfixed_const(16);
969		c.full = dfixed_div(c, a);
970		priority_b_mark = dfixed_trunc(c);
971		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
972
973		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
974	}
975
976	/* select wm A */
977	arb_control3 = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
978	tmp = arb_control3;
979	tmp &= ~LATENCY_WATERMARK_MASK(3);
980	tmp |= LATENCY_WATERMARK_MASK(1);
981	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
982	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
983	       ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT)  |
984		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
985	/* select wm B */
986	tmp = RREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset);
987	tmp &= ~LATENCY_WATERMARK_MASK(3);
988	tmp |= LATENCY_WATERMARK_MASK(2);
989	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, tmp);
990	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
991	       ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
992		(line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
993	/* restore original selection */
994	WREG32(mmDPG_PIPE_ARBITRATION_CONTROL3 + amdgpu_crtc->crtc_offset, arb_control3);
995
996	/* write the priority marks */
997	WREG32(mmPRIORITY_A_CNT + amdgpu_crtc->crtc_offset, priority_a_cnt);
998	WREG32(mmPRIORITY_B_CNT + amdgpu_crtc->crtc_offset, priority_b_cnt);
999
1000	/* save values for DPM */
1001	amdgpu_crtc->line_time = line_time;
1002	amdgpu_crtc->wm_high = latency_watermark_a;
1003
1004	/* Save number of lines the linebuffer leads before the scanout */
1005	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1006}
1007
1008/* watermark setup */
1009static u32 dce_v6_0_line_buffer_adjust(struct amdgpu_device *adev,
1010				   struct amdgpu_crtc *amdgpu_crtc,
1011				   struct drm_display_mode *mode,
1012				   struct drm_display_mode *other_mode)
1013{
1014	u32 tmp, buffer_alloc, i;
1015	u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
1016	/*
1017	 * Line Buffer Setup
1018	 * There are 3 line buffers, each one shared by 2 display controllers.
1019	 * mmDC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1020	 * the display controllers.  The paritioning is done via one of four
1021	 * preset allocations specified in bits 21:20:
1022	 *  0 - half lb
1023	 *  2 - whole lb, other crtc must be disabled
1024	 */
1025	/* this can get tricky if we have two large displays on a paired group
1026	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1027	 * non-linked crtcs for maximum line buffer allocation.
1028	 */
1029	if (amdgpu_crtc->base.enabled && mode) {
1030		if (other_mode) {
1031			tmp = 0; /* 1/2 */
1032			buffer_alloc = 1;
1033		} else {
1034			tmp = 2; /* whole */
1035			buffer_alloc = 2;
1036		}
1037	} else {
1038		tmp = 0;
1039		buffer_alloc = 0;
1040	}
1041
1042	WREG32(mmDC_LB_MEMORY_SPLIT + amdgpu_crtc->crtc_offset,
1043	       DC_LB_MEMORY_CONFIG(tmp));
1044
1045	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1046	       (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
1047	for (i = 0; i < adev->usec_timeout; i++) {
1048		if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1049		    PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
1050			break;
1051		udelay(1);
1052	}
1053
1054	if (amdgpu_crtc->base.enabled && mode) {
1055		switch (tmp) {
1056		case 0:
1057		default:
1058			return 4096 * 2;
1059		case 2:
1060			return 8192 * 2;
1061		}
1062	}
1063
1064	/* controller not enabled, so no lb used */
1065	return 0;
1066}
1067
1068
1069/**
1070 * dce_v6_0_bandwidth_update - program display watermarks
1071 *
1072 * @adev: amdgpu_device pointer
1073 *
1074 * Calculate and program the display watermarks and line
1075 * buffer allocation (CIK).
1076 */
1077static void dce_v6_0_bandwidth_update(struct amdgpu_device *adev)
1078{
1079	struct drm_display_mode *mode0 = NULL;
1080	struct drm_display_mode *mode1 = NULL;
1081	u32 num_heads = 0, lb_size;
1082	int i;
1083
1084	if (!adev->mode_info.mode_config_initialized)
1085		return;
1086
1087	amdgpu_display_update_priority(adev);
1088
1089	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1090		if (adev->mode_info.crtcs[i]->base.enabled)
1091			num_heads++;
1092	}
1093	for (i = 0; i < adev->mode_info.num_crtc; i += 2) {
1094		mode0 = &adev->mode_info.crtcs[i]->base.mode;
1095		mode1 = &adev->mode_info.crtcs[i+1]->base.mode;
1096		lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode0, mode1);
1097		dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i], lb_size, num_heads);
1098		lb_size = dce_v6_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i+1], mode1, mode0);
1099		dce_v6_0_program_watermarks(adev, adev->mode_info.crtcs[i+1], lb_size, num_heads);
1100	}
1101}
1102
1103static void dce_v6_0_audio_get_connected_pins(struct amdgpu_device *adev)
1104{
1105	int i;
1106	u32 tmp;
1107
1108	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1109		tmp = RREG32_AUDIO_ENDPT(adev->mode_info.audio.pin[i].offset,
1110				ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1111		if (REG_GET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT,
1112					PORT_CONNECTIVITY))
1113			adev->mode_info.audio.pin[i].connected = false;
1114		else
1115			adev->mode_info.audio.pin[i].connected = true;
1116	}
1117
1118}
1119
1120static struct amdgpu_audio_pin *dce_v6_0_audio_get_pin(struct amdgpu_device *adev)
1121{
1122	int i;
1123
1124	dce_v6_0_audio_get_connected_pins(adev);
1125
1126	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1127		if (adev->mode_info.audio.pin[i].connected)
1128			return &adev->mode_info.audio.pin[i];
1129	}
1130	DRM_ERROR("No connected audio pins found!\n");
1131	return NULL;
1132}
1133
1134static void dce_v6_0_audio_select_pin(struct drm_encoder *encoder)
1135{
1136	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1137	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1138	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1139
1140	if (!dig || !dig->afmt || !dig->afmt->pin)
1141		return;
1142
1143	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset,
1144	       REG_SET_FIELD(0, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT,
1145		             dig->afmt->pin->id));
1146}
1147
1148static void dce_v6_0_audio_write_latency_fields(struct drm_encoder *encoder,
1149						struct drm_display_mode *mode)
1150{
1151	struct drm_device *dev = encoder->dev;
1152	struct amdgpu_device *adev = drm_to_adev(dev);
1153	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1154	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1155	struct drm_connector *connector;
1156	struct drm_connector_list_iter iter;
1157	struct amdgpu_connector *amdgpu_connector = NULL;
1158	int interlace = 0;
1159	u32 tmp;
1160
1161	drm_connector_list_iter_begin(dev, &iter);
1162	drm_for_each_connector_iter(connector, &iter) {
1163		if (connector->encoder == encoder) {
1164			amdgpu_connector = to_amdgpu_connector(connector);
1165			break;
1166		}
1167	}
1168	drm_connector_list_iter_end(&iter);
1169
1170	if (!amdgpu_connector) {
1171		DRM_ERROR("Couldn't find encoder's connector\n");
1172		return;
1173	}
1174
1175	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1176		interlace = 1;
1177
1178	if (connector->latency_present[interlace]) {
1179		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1180				VIDEO_LIPSYNC, connector->video_latency[interlace]);
1181		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1182				AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1183	} else {
1184		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1185				VIDEO_LIPSYNC, 0);
1186		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1187				AUDIO_LIPSYNC, 0);
1188	}
1189	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1190			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1191}
1192
1193static void dce_v6_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1194{
1195	struct drm_device *dev = encoder->dev;
1196	struct amdgpu_device *adev = drm_to_adev(dev);
1197	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1198	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1199	struct drm_connector *connector;
1200	struct drm_connector_list_iter iter;
1201	struct amdgpu_connector *amdgpu_connector = NULL;
1202	u8 *sadb = NULL;
1203	int sad_count;
1204	u32 tmp;
1205
1206	drm_connector_list_iter_begin(dev, &iter);
1207	drm_for_each_connector_iter(connector, &iter) {
1208		if (connector->encoder == encoder) {
1209			amdgpu_connector = to_amdgpu_connector(connector);
1210			break;
1211		}
1212	}
1213	drm_connector_list_iter_end(&iter);
1214
1215	if (!amdgpu_connector) {
1216		DRM_ERROR("Couldn't find encoder's connector\n");
1217		return;
1218	}
1219
1220	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1221	if (sad_count < 0) {
1222		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1223		sad_count = 0;
1224	}
1225
1226	/* program the speaker allocation */
1227	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1228			ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1229	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1230			HDMI_CONNECTION, 0);
1231	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1232			DP_CONNECTION, 0);
1233
1234	if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
1235		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1236				DP_CONNECTION, 1);
1237	else
1238		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1239				HDMI_CONNECTION, 1);
1240
1241	if (sad_count)
1242		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1243				SPEAKER_ALLOCATION, sadb[0]);
1244	else
1245		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1246				SPEAKER_ALLOCATION, 5); /* stereo */
1247
1248	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1249			ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1250
1251	kfree(sadb);
1252}
1253
1254static void dce_v6_0_audio_write_sad_regs(struct drm_encoder *encoder)
1255{
1256	struct drm_device *dev = encoder->dev;
1257	struct amdgpu_device *adev = drm_to_adev(dev);
1258	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1259	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1260	struct drm_connector *connector;
1261	struct drm_connector_list_iter iter;
1262	struct amdgpu_connector *amdgpu_connector = NULL;
1263	struct cea_sad *sads;
1264	int i, sad_count;
1265
1266	static const u16 eld_reg_to_type[][2] = {
1267		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1268		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1269		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1270		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1271		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1272		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1273		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1274		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1275		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1276		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1277		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1278		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1279	};
1280
1281	drm_connector_list_iter_begin(dev, &iter);
1282	drm_for_each_connector_iter(connector, &iter) {
1283		if (connector->encoder == encoder) {
1284			amdgpu_connector = to_amdgpu_connector(connector);
1285			break;
1286		}
1287	}
1288	drm_connector_list_iter_end(&iter);
1289
1290	if (!amdgpu_connector) {
1291		DRM_ERROR("Couldn't find encoder's connector\n");
1292		return;
1293	}
1294
1295	sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1296	if (sad_count < 0)
1297		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1298	if (sad_count <= 0)
1299		return;
1300
1301	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1302		u32 tmp = 0;
1303		u8 stereo_freqs = 0;
1304		int max_channels = -1;
1305		int j;
1306
1307		for (j = 0; j < sad_count; j++) {
1308			struct cea_sad *sad = &sads[j];
1309
1310			if (sad->format == eld_reg_to_type[i][1]) {
1311				if (sad->channels > max_channels) {
1312					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1313							MAX_CHANNELS, sad->channels);
1314					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1315							DESCRIPTOR_BYTE_2, sad->byte2);
1316					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1317							SUPPORTED_FREQUENCIES, sad->freq);
1318					max_channels = sad->channels;
1319				}
1320
1321				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1322					stereo_freqs |= sad->freq;
1323				else
1324					break;
1325			}
1326		}
1327
1328		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1329				SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1330		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1331	}
1332
1333	kfree(sads);
1334
1335}
1336
1337static void dce_v6_0_audio_enable(struct amdgpu_device *adev,
1338				  struct amdgpu_audio_pin *pin,
1339				  bool enable)
1340{
1341	if (!pin)
1342		return;
1343
1344	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1345			enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1346}
1347
1348static const u32 pin_offsets[7] =
1349{
1350	(0x1780 - 0x1780),
1351	(0x1786 - 0x1780),
1352	(0x178c - 0x1780),
1353	(0x1792 - 0x1780),
1354	(0x1798 - 0x1780),
1355	(0x179d - 0x1780),
1356	(0x17a4 - 0x1780),
1357};
1358
1359static int dce_v6_0_audio_init(struct amdgpu_device *adev)
1360{
1361	int i;
1362
1363	if (!amdgpu_audio)
1364		return 0;
1365
1366	adev->mode_info.audio.enabled = true;
1367
1368	switch (adev->asic_type) {
1369	case CHIP_TAHITI:
1370	case CHIP_PITCAIRN:
1371	case CHIP_VERDE:
1372	default:
1373		adev->mode_info.audio.num_pins = 6;
1374		break;
1375	case CHIP_OLAND:
1376		adev->mode_info.audio.num_pins = 2;
1377		break;
1378	}
1379
1380	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1381		adev->mode_info.audio.pin[i].channels = -1;
1382		adev->mode_info.audio.pin[i].rate = -1;
1383		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1384		adev->mode_info.audio.pin[i].status_bits = 0;
1385		adev->mode_info.audio.pin[i].category_code = 0;
1386		adev->mode_info.audio.pin[i].connected = false;
1387		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1388		adev->mode_info.audio.pin[i].id = i;
1389		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1390	}
1391
1392	return 0;
1393}
1394
1395static void dce_v6_0_audio_fini(struct amdgpu_device *adev)
1396{
1397	int i;
1398
1399	if (!amdgpu_audio)
1400		return;
1401
1402	if (!adev->mode_info.audio.enabled)
1403		return;
1404
1405	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1406		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1407
1408	adev->mode_info.audio.enabled = false;
1409}
1410
1411static void dce_v6_0_audio_set_vbi_packet(struct drm_encoder *encoder)
1412{
1413	struct drm_device *dev = encoder->dev;
1414	struct amdgpu_device *adev = drm_to_adev(dev);
1415	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1416	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1417	u32 tmp;
1418
1419	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1420	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1421	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1);
1422	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1);
1423	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1424}
1425
1426static void dce_v6_0_audio_set_acr(struct drm_encoder *encoder,
1427				   uint32_t clock, int bpc)
1428{
1429	struct drm_device *dev = encoder->dev;
1430	struct amdgpu_device *adev = drm_to_adev(dev);
1431	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1432	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1433	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1434	u32 tmp;
1435
1436	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1437	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1438	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE,
1439			bpc > 8 ? 0 : 1);
1440	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1441
1442	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1443	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1444	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1445	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1446	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1447	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1448
1449	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1450	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1451	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1452	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1453	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1454	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1455
1456	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1457	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1458	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1459	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1460	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1461	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1462}
1463
1464static void dce_v6_0_audio_set_avi_infoframe(struct drm_encoder *encoder,
1465					       struct drm_display_mode *mode)
1466{
1467	struct drm_device *dev = encoder->dev;
1468	struct amdgpu_device *adev = drm_to_adev(dev);
1469	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1470	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1471	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1472	struct hdmi_avi_infoframe frame;
1473	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1474	uint8_t *payload = buffer + 3;
1475	uint8_t *header = buffer;
1476	ssize_t err;
1477	u32 tmp;
1478
1479	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1480	if (err < 0) {
1481		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1482		return;
1483	}
1484
1485	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1486	if (err < 0) {
1487		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1488		return;
1489	}
1490
1491	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1492	       payload[0x0] | (payload[0x1] << 8) | (payload[0x2] << 16) | (payload[0x3] << 24));
1493	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1494	       payload[0x4] | (payload[0x5] << 8) | (payload[0x6] << 16) | (payload[0x7] << 24));
1495	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1496	       payload[0x8] | (payload[0x9] << 8) | (payload[0xA] << 16) | (payload[0xB] << 24));
1497	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1498	       payload[0xC] | (payload[0xD] << 8) | (header[1] << 24));
1499
1500	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1501	/* anything other than 0 */
1502	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1,
1503			HDMI_AUDIO_INFO_LINE, 2);
1504	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1505}
1506
1507static void dce_v6_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1508{
1509	struct drm_device *dev = encoder->dev;
1510	struct amdgpu_device *adev = drm_to_adev(dev);
1511	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1512	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1513	u32 tmp;
1514
1515	/*
1516	 * Two dtos: generally use dto0 for hdmi, dto1 for dp.
1517	 * Express [24MHz / target pixel clock] as an exact rational
1518	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1519	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1520	 */
1521	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1522	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1523			DCCG_AUDIO_DTO0_SOURCE_SEL, amdgpu_crtc->crtc_id);
1524	if (em == ATOM_ENCODER_MODE_HDMI) {
1525		tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1526				DCCG_AUDIO_DTO_SEL, 0);
1527	} else if (ENCODER_MODE_IS_DP(em)) {
1528		tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE,
1529				DCCG_AUDIO_DTO_SEL, 1);
1530	}
1531	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1532	if (em == ATOM_ENCODER_MODE_HDMI) {
1533		WREG32(mmDCCG_AUDIO_DTO0_PHASE, 24000);
1534		WREG32(mmDCCG_AUDIO_DTO0_MODULE, clock);
1535	} else if (ENCODER_MODE_IS_DP(em)) {
1536		WREG32(mmDCCG_AUDIO_DTO1_PHASE, 24000);
1537		WREG32(mmDCCG_AUDIO_DTO1_MODULE, clock);
1538	}
1539}
1540
1541static void dce_v6_0_audio_set_packet(struct drm_encoder *encoder)
1542{
1543	struct drm_device *dev = encoder->dev;
1544	struct amdgpu_device *adev = drm_to_adev(dev);
1545	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1546	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1547	u32 tmp;
1548
1549	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1550	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1551	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1552
1553	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1554	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1555	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1556
1557	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1558	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1559	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1560
1561	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1562	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1563	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1564	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1565	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1566	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1567	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1568	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1569
1570	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset);
1571	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL2, AFMT_AUDIO_CHANNEL_ENABLE, 0xff);
1572	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset, tmp);
1573
1574	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1575	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1576	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1577	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1578
1579	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1580	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_RESET_FIFO_WHEN_AUDIO_DIS, 1);
1581	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1582	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1583}
1584
1585static void dce_v6_0_audio_set_mute(struct drm_encoder *encoder, bool mute)
1586{
1587	struct drm_device *dev = encoder->dev;
1588	struct amdgpu_device *adev = drm_to_adev(dev);
1589	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1590	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1591	u32 tmp;
1592
1593	tmp = RREG32(mmHDMI_GC + dig->afmt->offset);
1594	tmp = REG_SET_FIELD(tmp, HDMI_GC, HDMI_GC_AVMUTE, mute ? 1 : 0);
1595	WREG32(mmHDMI_GC + dig->afmt->offset, tmp);
1596}
1597
1598static void dce_v6_0_audio_hdmi_enable(struct drm_encoder *encoder, bool enable)
1599{
1600	struct drm_device *dev = encoder->dev;
1601	struct amdgpu_device *adev = drm_to_adev(dev);
1602	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1603	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1604	u32 tmp;
1605
1606	if (enable) {
1607		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1608		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1609		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1610		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1611		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1612		WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1613
1614		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1615		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1616		WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1617
1618		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1619		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1620		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1621	} else {
1622		tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1623		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 0);
1624		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 0);
1625		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 0);
1626		tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 0);
1627		WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1628
1629		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1630		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 0);
1631		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1632	}
1633}
1634
1635static void dce_v6_0_audio_dp_enable(struct drm_encoder *encoder, bool enable)
1636{
1637	struct drm_device *dev = encoder->dev;
1638	struct amdgpu_device *adev = drm_to_adev(dev);
1639	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1640	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1641	u32 tmp;
1642
1643	if (enable) {
1644		tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1645		tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1646		WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1647
1648		tmp = RREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset);
1649		tmp = REG_SET_FIELD(tmp, DP_SEC_TIMESTAMP, DP_SEC_TIMESTAMP_MODE, 1);
1650		WREG32(mmDP_SEC_TIMESTAMP + dig->afmt->offset, tmp);
1651
1652		tmp = RREG32(mmDP_SEC_CNTL + dig->afmt->offset);
1653		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ASP_ENABLE, 1);
1654		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_ATP_ENABLE, 1);
1655		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_AIP_ENABLE, 1);
1656		tmp = REG_SET_FIELD(tmp, DP_SEC_CNTL, DP_SEC_STREAM_ENABLE, 1);
1657		WREG32(mmDP_SEC_CNTL + dig->afmt->offset, tmp);
1658	} else {
1659		WREG32(mmDP_SEC_CNTL + dig->afmt->offset, 0);
1660	}
1661}
1662
1663static void dce_v6_0_afmt_setmode(struct drm_encoder *encoder,
1664				  struct drm_display_mode *mode)
1665{
1666	struct drm_device *dev = encoder->dev;
1667	struct amdgpu_device *adev = drm_to_adev(dev);
1668	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1669	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1670	struct drm_connector *connector;
1671	struct drm_connector_list_iter iter;
1672	struct amdgpu_connector *amdgpu_connector = NULL;
1673	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
1674	int bpc = 8;
1675
1676	if (!dig || !dig->afmt)
1677		return;
1678
1679	drm_connector_list_iter_begin(dev, &iter);
1680	drm_for_each_connector_iter(connector, &iter) {
1681		if (connector->encoder == encoder) {
1682			amdgpu_connector = to_amdgpu_connector(connector);
1683			break;
1684		}
1685	}
1686	drm_connector_list_iter_end(&iter);
1687
1688	if (!amdgpu_connector) {
1689		DRM_ERROR("Couldn't find encoder's connector\n");
1690		return;
1691	}
1692
1693	if (!dig->afmt->enabled)
1694		return;
1695
1696	dig->afmt->pin = dce_v6_0_audio_get_pin(adev);
1697	if (!dig->afmt->pin)
1698		return;
1699
1700	if (encoder->crtc) {
1701		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1702		bpc = amdgpu_crtc->bpc;
1703	}
1704
1705	/* disable audio before setting up hw */
1706	dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1707
1708	dce_v6_0_audio_set_mute(encoder, true);
1709	dce_v6_0_audio_write_speaker_allocation(encoder);
1710	dce_v6_0_audio_write_sad_regs(encoder);
1711	dce_v6_0_audio_write_latency_fields(encoder, mode);
1712	if (em == ATOM_ENCODER_MODE_HDMI) {
1713		dce_v6_0_audio_set_dto(encoder, mode->clock);
1714		dce_v6_0_audio_set_vbi_packet(encoder);
1715		dce_v6_0_audio_set_acr(encoder, mode->clock, bpc);
1716	} else if (ENCODER_MODE_IS_DP(em)) {
1717		dce_v6_0_audio_set_dto(encoder, adev->clock.default_dispclk * 10);
1718	}
1719	dce_v6_0_audio_set_packet(encoder);
1720	dce_v6_0_audio_select_pin(encoder);
1721	dce_v6_0_audio_set_avi_infoframe(encoder, mode);
1722	dce_v6_0_audio_set_mute(encoder, false);
1723	if (em == ATOM_ENCODER_MODE_HDMI) {
1724		dce_v6_0_audio_hdmi_enable(encoder, 1);
1725	} else if (ENCODER_MODE_IS_DP(em)) {
1726		dce_v6_0_audio_dp_enable(encoder, 1);
1727	}
1728
1729	/* enable audio after setting up hw */
1730	dce_v6_0_audio_enable(adev, dig->afmt->pin, true);
1731}
1732
1733static void dce_v6_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1734{
1735	struct drm_device *dev = encoder->dev;
1736	struct amdgpu_device *adev = drm_to_adev(dev);
1737	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1738	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1739
1740	if (!dig || !dig->afmt)
1741		return;
1742
1743	/* Silent, r600_hdmi_enable will raise WARN for us */
1744	if (enable && dig->afmt->enabled)
1745		return;
1746
1747	if (!enable && !dig->afmt->enabled)
1748		return;
1749
1750	if (!enable && dig->afmt->pin) {
1751		dce_v6_0_audio_enable(adev, dig->afmt->pin, false);
1752		dig->afmt->pin = NULL;
1753	}
1754
1755	dig->afmt->enabled = enable;
1756
1757	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1758		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1759}
1760
1761static int dce_v6_0_afmt_init(struct amdgpu_device *adev)
1762{
1763	int i, j;
1764
1765	for (i = 0; i < adev->mode_info.num_dig; i++)
1766		adev->mode_info.afmt[i] = NULL;
1767
1768	/* DCE6 has audio blocks tied to DIG encoders */
1769	for (i = 0; i < adev->mode_info.num_dig; i++) {
1770		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1771		if (adev->mode_info.afmt[i]) {
1772			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1773			adev->mode_info.afmt[i]->id = i;
1774		} else {
1775			for (j = 0; j < i; j++) {
1776				kfree(adev->mode_info.afmt[j]);
1777				adev->mode_info.afmt[j] = NULL;
1778			}
1779			DRM_ERROR("Out of memory allocating afmt table\n");
1780			return -ENOMEM;
1781		}
1782	}
1783	return 0;
1784}
1785
1786static void dce_v6_0_afmt_fini(struct amdgpu_device *adev)
1787{
1788	int i;
1789
1790	for (i = 0; i < adev->mode_info.num_dig; i++) {
1791		kfree(adev->mode_info.afmt[i]);
1792		adev->mode_info.afmt[i] = NULL;
1793	}
1794}
1795
1796static const u32 vga_control_regs[6] =
1797{
1798	mmD1VGA_CONTROL,
1799	mmD2VGA_CONTROL,
1800	mmD3VGA_CONTROL,
1801	mmD4VGA_CONTROL,
1802	mmD5VGA_CONTROL,
1803	mmD6VGA_CONTROL,
1804};
1805
1806static void dce_v6_0_vga_enable(struct drm_crtc *crtc, bool enable)
1807{
1808	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1809	struct drm_device *dev = crtc->dev;
1810	struct amdgpu_device *adev = drm_to_adev(dev);
1811	u32 vga_control;
1812
1813	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1814	WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | (enable ? 1 : 0));
1815}
1816
1817static void dce_v6_0_grph_enable(struct drm_crtc *crtc, bool enable)
1818{
1819	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1820	struct drm_device *dev = crtc->dev;
1821	struct amdgpu_device *adev = drm_to_adev(dev);
1822
1823	WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, enable ? 1 : 0);
1824}
1825
1826static int dce_v6_0_crtc_do_set_base(struct drm_crtc *crtc,
1827				     struct drm_framebuffer *fb,
1828				     int x, int y, int atomic)
1829{
1830	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1831	struct drm_device *dev = crtc->dev;
1832	struct amdgpu_device *adev = drm_to_adev(dev);
1833	struct drm_framebuffer *target_fb;
1834	struct drm_gem_object *obj;
1835	struct amdgpu_bo *abo;
1836	uint64_t fb_location, tiling_flags;
1837	uint32_t fb_format, fb_pitch_pixels, pipe_config;
1838	u32 fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_NONE);
1839	u32 viewport_w, viewport_h;
1840	int r;
1841	bool bypass_lut = false;
1842
1843	/* no fb bound */
1844	if (!atomic && !crtc->primary->fb) {
1845		DRM_DEBUG_KMS("No FB bound\n");
1846		return 0;
1847	}
1848
1849	if (atomic)
1850		target_fb = fb;
1851	else
1852		target_fb = crtc->primary->fb;
1853
1854	/* If atomic, assume fb object is pinned & idle & fenced and
1855	 * just update base pointers
1856	 */
1857	obj = target_fb->obj[0];
1858	abo = gem_to_amdgpu_bo(obj);
1859	r = amdgpu_bo_reserve(abo, false);
1860	if (unlikely(r != 0))
1861		return r;
1862
1863	if (!atomic) {
1864		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1865		if (unlikely(r != 0)) {
1866			amdgpu_bo_unreserve(abo);
1867			return -EINVAL;
1868		}
1869	}
1870	fb_location = amdgpu_bo_gpu_offset(abo);
1871
1872	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1873	amdgpu_bo_unreserve(abo);
1874
1875	switch (target_fb->format->format) {
1876	case DRM_FORMAT_C8:
1877		fb_format = (GRPH_DEPTH(GRPH_DEPTH_8BPP) |
1878			     GRPH_FORMAT(GRPH_FORMAT_INDEXED));
1879		break;
1880	case DRM_FORMAT_XRGB4444:
1881	case DRM_FORMAT_ARGB4444:
1882		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1883			     GRPH_FORMAT(GRPH_FORMAT_ARGB4444));
1884#ifdef __BIG_ENDIAN
1885		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1886#endif
1887		break;
1888	case DRM_FORMAT_XRGB1555:
1889	case DRM_FORMAT_ARGB1555:
1890		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1891			     GRPH_FORMAT(GRPH_FORMAT_ARGB1555));
1892#ifdef __BIG_ENDIAN
1893		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1894#endif
1895		break;
1896	case DRM_FORMAT_BGRX5551:
1897	case DRM_FORMAT_BGRA5551:
1898		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1899			     GRPH_FORMAT(GRPH_FORMAT_BGRA5551));
1900#ifdef __BIG_ENDIAN
1901		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1902#endif
1903		break;
1904	case DRM_FORMAT_RGB565:
1905		fb_format = (GRPH_DEPTH(GRPH_DEPTH_16BPP) |
1906			     GRPH_FORMAT(GRPH_FORMAT_ARGB565));
1907#ifdef __BIG_ENDIAN
1908		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN16);
1909#endif
1910		break;
1911	case DRM_FORMAT_XRGB8888:
1912	case DRM_FORMAT_ARGB8888:
1913		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1914			     GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1915#ifdef __BIG_ENDIAN
1916		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1917#endif
1918		break;
1919	case DRM_FORMAT_XRGB2101010:
1920	case DRM_FORMAT_ARGB2101010:
1921		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1922			     GRPH_FORMAT(GRPH_FORMAT_ARGB2101010));
1923#ifdef __BIG_ENDIAN
1924		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1925#endif
1926		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1927		bypass_lut = true;
1928		break;
1929	case DRM_FORMAT_BGRX1010102:
1930	case DRM_FORMAT_BGRA1010102:
1931		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1932			     GRPH_FORMAT(GRPH_FORMAT_BGRA1010102));
1933#ifdef __BIG_ENDIAN
1934		fb_swap = GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1935#endif
1936		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1937		bypass_lut = true;
1938		break;
1939	case DRM_FORMAT_XBGR8888:
1940	case DRM_FORMAT_ABGR8888:
1941		fb_format = (GRPH_DEPTH(GRPH_DEPTH_32BPP) |
1942			     GRPH_FORMAT(GRPH_FORMAT_ARGB8888));
1943		fb_swap = (GRPH_RED_CROSSBAR(GRPH_RED_SEL_B) |
1944			   GRPH_BLUE_CROSSBAR(GRPH_BLUE_SEL_R));
1945#ifdef __BIG_ENDIAN
1946		fb_swap |= GRPH_ENDIAN_SWAP(GRPH_ENDIAN_8IN32);
1947#endif
1948		break;
1949	default:
1950		DRM_ERROR("Unsupported screen format %p4cc\n",
1951			  &target_fb->format->format);
1952		return -EINVAL;
1953	}
1954
1955	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1956		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1957
1958		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1959		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1960		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1961		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1962		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1963
1964		fb_format |= GRPH_NUM_BANKS(num_banks);
1965		fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_2D_TILED_THIN1);
1966		fb_format |= GRPH_TILE_SPLIT(tile_split);
1967		fb_format |= GRPH_BANK_WIDTH(bankw);
1968		fb_format |= GRPH_BANK_HEIGHT(bankh);
1969		fb_format |= GRPH_MACRO_TILE_ASPECT(mtaspect);
1970	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1971		fb_format |= GRPH_ARRAY_MODE(GRPH_ARRAY_1D_TILED_THIN1);
1972	}
1973
1974	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1975	fb_format |= GRPH_PIPE_CONFIG(pipe_config);
1976
1977	dce_v6_0_vga_enable(crtc, false);
1978
1979	/* Make sure surface address is updated at vertical blank rather than
1980	 * horizontal blank
1981	 */
1982	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1983
1984	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1985	       upper_32_bits(fb_location));
1986	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1987	       upper_32_bits(fb_location));
1988	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1989	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1990	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1991	       (u32) fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1992	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1993	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1994
1995	/*
1996	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1997	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1998	 * retain the full precision throughout the pipeline.
1999	 */
2000	WREG32_P(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset,
2001		 (bypass_lut ? GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK : 0),
2002		 ~GRPH_LUT_10BIT_BYPASS__GRPH_LUT_10BIT_BYPASS_EN_MASK);
2003
2004	if (bypass_lut)
2005		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2006
2007	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2008	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2009	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2010	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2011	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2012	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2013
2014	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2015	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2016
2017	dce_v6_0_grph_enable(crtc, true);
2018
2019	WREG32(mmDESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2020		       target_fb->height);
2021	x &= ~3;
2022	y &= ~1;
2023	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2024	       (x << 16) | y);
2025	viewport_w = crtc->mode.hdisplay;
2026	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2027
2028	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2029	       (viewport_w << 16) | viewport_h);
2030
2031	/* set pageflip to happen anywhere in vblank interval */
2032	WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2033
2034	if (!atomic && fb && fb != crtc->primary->fb) {
2035		abo = gem_to_amdgpu_bo(fb->obj[0]);
2036		r = amdgpu_bo_reserve(abo, true);
2037		if (unlikely(r != 0))
2038			return r;
2039		amdgpu_bo_unpin(abo);
2040		amdgpu_bo_unreserve(abo);
2041	}
2042
2043	/* Bytes per pixel may have changed */
2044	dce_v6_0_bandwidth_update(adev);
2045
2046	return 0;
2047
2048}
2049
2050static void dce_v6_0_set_interleave(struct drm_crtc *crtc,
2051				    struct drm_display_mode *mode)
2052{
2053	struct drm_device *dev = crtc->dev;
2054	struct amdgpu_device *adev = drm_to_adev(dev);
2055	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2056
2057	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2058		WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset,
2059		       INTERLEAVE_EN);
2060	else
2061		WREG32(mmDATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2062}
2063
2064static void dce_v6_0_crtc_load_lut(struct drm_crtc *crtc)
2065{
2066
2067	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2068	struct drm_device *dev = crtc->dev;
2069	struct amdgpu_device *adev = drm_to_adev(dev);
2070	u16 *r, *g, *b;
2071	int i;
2072
2073	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2074
2075	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2076	       ((0 << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2077		(0 << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2078	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2079	       PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2080	WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2081	       PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2082	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2083	       ((0 << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2084		(0 << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2085
2086	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2087
2088	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2089	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2090	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2091
2092	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2093	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2094	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2095
2096	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2097	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2098
2099	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2100	r = crtc->gamma_store;
2101	g = r + crtc->gamma_size;
2102	b = g + crtc->gamma_size;
2103	for (i = 0; i < 256; i++) {
2104		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2105		       ((*r++ & 0xffc0) << 14) |
2106		       ((*g++ & 0xffc0) << 4) |
2107		       (*b++ >> 6));
2108	}
2109
2110	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2111	       ((0 << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2112		(0 << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2113		ICON_DEGAMMA_MODE(0) |
2114		(0 << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2115	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2116	       ((0 << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2117		(0 << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2118	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2119	       ((0 << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2120		(0 << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2121	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2122	       ((0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2123		(0 << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2124	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2125	WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2126
2127
2128}
2129
2130static int dce_v6_0_pick_dig_encoder(struct drm_encoder *encoder)
2131{
2132	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2133	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2134
2135	switch (amdgpu_encoder->encoder_id) {
2136	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2137		return dig->linkb ? 1 : 0;
2138	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2139		return dig->linkb ? 3 : 2;
2140	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2141		return dig->linkb ? 5 : 4;
2142	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2143		return 6;
2144	default:
2145		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2146		return 0;
2147	}
2148}
2149
2150/**
2151 * dce_v6_0_pick_pll - Allocate a PPLL for use by the crtc.
2152 *
2153 * @crtc: drm crtc
2154 *
2155 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2156 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2157 * monitors a dedicated PPLL must be used.  If a particular board has
2158 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2159 * as there is no need to program the PLL itself.  If we are not able to
2160 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2161 * avoid messing up an existing monitor.
2162 *
2163 *
2164 */
2165static u32 dce_v6_0_pick_pll(struct drm_crtc *crtc)
2166{
2167	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2168	struct drm_device *dev = crtc->dev;
2169	struct amdgpu_device *adev = drm_to_adev(dev);
2170	u32 pll_in_use;
2171	int pll;
2172
2173	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2174		if (adev->clock.dp_extclk)
2175			/* skip PPLL programming if using ext clock */
2176			return ATOM_PPLL_INVALID;
2177		else
2178			return ATOM_PPLL0;
2179	} else {
2180		/* use the same PPLL for all monitors with the same clock */
2181		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2182		if (pll != ATOM_PPLL_INVALID)
2183			return pll;
2184	}
2185
2186	/*  PPLL1, and PPLL2 */
2187	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2188	if (!(pll_in_use & (1 << ATOM_PPLL2)))
2189		return ATOM_PPLL2;
2190	if (!(pll_in_use & (1 << ATOM_PPLL1)))
2191		return ATOM_PPLL1;
2192	DRM_ERROR("unable to allocate a PPLL\n");
2193	return ATOM_PPLL_INVALID;
2194}
2195
2196static void dce_v6_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2197{
2198	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2199	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2200	uint32_t cur_lock;
2201
2202	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2203	if (lock)
2204		cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2205	else
2206		cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2207	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2208}
2209
2210static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
2211{
2212	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2213	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2214
2215	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2216	       (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2217	       (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2218
2219
2220}
2221
2222static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
2223{
2224	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2225	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2226
2227	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2228	       upper_32_bits(amdgpu_crtc->cursor_addr));
2229	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2230	       lower_32_bits(amdgpu_crtc->cursor_addr));
2231
2232	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2233	       CUR_CONTROL__CURSOR_EN_MASK |
2234	       (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2235	       (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2236
2237}
2238
2239static int dce_v6_0_cursor_move_locked(struct drm_crtc *crtc,
2240				       int x, int y)
2241{
2242	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2243	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2244	int xorigin = 0, yorigin = 0;
2245
2246	int w = amdgpu_crtc->cursor_width;
2247
2248	amdgpu_crtc->cursor_x = x;
2249	amdgpu_crtc->cursor_y = y;
2250
2251	/* avivo cursor are offset into the total surface */
2252	x += crtc->x;
2253	y += crtc->y;
2254	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2255
2256	if (x < 0) {
2257		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2258		x = 0;
2259	}
2260	if (y < 0) {
2261		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2262		y = 0;
2263	}
2264
2265	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2266	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2267	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2268	       ((w - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2269
2270	return 0;
2271}
2272
2273static int dce_v6_0_crtc_cursor_move(struct drm_crtc *crtc,
2274				     int x, int y)
2275{
2276	int ret;
2277
2278	dce_v6_0_lock_cursor(crtc, true);
2279	ret = dce_v6_0_cursor_move_locked(crtc, x, y);
2280	dce_v6_0_lock_cursor(crtc, false);
2281
2282	return ret;
2283}
2284
2285static int dce_v6_0_crtc_cursor_set2(struct drm_crtc *crtc,
2286				     struct drm_file *file_priv,
2287				     uint32_t handle,
2288				     uint32_t width,
2289				     uint32_t height,
2290				     int32_t hot_x,
2291				     int32_t hot_y)
2292{
2293	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2294	struct drm_gem_object *obj;
2295	struct amdgpu_bo *aobj;
2296	int ret;
2297
2298	if (!handle) {
2299		/* turn off cursor */
2300		dce_v6_0_hide_cursor(crtc);
2301		obj = NULL;
2302		goto unpin;
2303	}
2304
2305	if ((width > amdgpu_crtc->max_cursor_width) ||
2306	    (height > amdgpu_crtc->max_cursor_height)) {
2307		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2308		return -EINVAL;
2309	}
2310
2311	obj = drm_gem_object_lookup(file_priv, handle);
2312	if (!obj) {
2313		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2314		return -ENOENT;
2315	}
2316
2317	aobj = gem_to_amdgpu_bo(obj);
2318	ret = amdgpu_bo_reserve(aobj, false);
2319	if (ret != 0) {
2320		drm_gem_object_put(obj);
2321		return ret;
2322	}
2323
2324	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2325	amdgpu_bo_unreserve(aobj);
2326	if (ret) {
2327		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2328		drm_gem_object_put(obj);
2329		return ret;
2330	}
2331	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2332
2333	dce_v6_0_lock_cursor(crtc, true);
2334
2335	if (width != amdgpu_crtc->cursor_width ||
2336	    height != amdgpu_crtc->cursor_height ||
2337	    hot_x != amdgpu_crtc->cursor_hot_x ||
2338	    hot_y != amdgpu_crtc->cursor_hot_y) {
2339		int x, y;
2340
2341		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2342		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2343
2344		dce_v6_0_cursor_move_locked(crtc, x, y);
2345
2346		amdgpu_crtc->cursor_width = width;
2347		amdgpu_crtc->cursor_height = height;
2348		amdgpu_crtc->cursor_hot_x = hot_x;
2349		amdgpu_crtc->cursor_hot_y = hot_y;
2350	}
2351
2352	dce_v6_0_show_cursor(crtc);
2353	dce_v6_0_lock_cursor(crtc, false);
2354
2355unpin:
2356	if (amdgpu_crtc->cursor_bo) {
2357		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2358		ret = amdgpu_bo_reserve(aobj, true);
2359		if (likely(ret == 0)) {
2360			amdgpu_bo_unpin(aobj);
2361			amdgpu_bo_unreserve(aobj);
2362		}
2363		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2364	}
2365
2366	amdgpu_crtc->cursor_bo = obj;
2367	return 0;
2368}
2369
2370static void dce_v6_0_cursor_reset(struct drm_crtc *crtc)
2371{
2372	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2373
2374	if (amdgpu_crtc->cursor_bo) {
2375		dce_v6_0_lock_cursor(crtc, true);
2376
2377		dce_v6_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2378					    amdgpu_crtc->cursor_y);
2379
2380		dce_v6_0_show_cursor(crtc);
2381		dce_v6_0_lock_cursor(crtc, false);
2382	}
2383}
2384
2385static int dce_v6_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2386				   u16 *blue, uint32_t size,
2387				   struct drm_modeset_acquire_ctx *ctx)
2388{
2389	dce_v6_0_crtc_load_lut(crtc);
2390
2391	return 0;
2392}
2393
2394static void dce_v6_0_crtc_destroy(struct drm_crtc *crtc)
2395{
2396	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2397
2398	drm_crtc_cleanup(crtc);
2399	kfree(amdgpu_crtc);
2400}
2401
2402static const struct drm_crtc_funcs dce_v6_0_crtc_funcs = {
2403	.cursor_set2 = dce_v6_0_crtc_cursor_set2,
2404	.cursor_move = dce_v6_0_crtc_cursor_move,
2405	.gamma_set = dce_v6_0_crtc_gamma_set,
2406	.set_config = amdgpu_display_crtc_set_config,
2407	.destroy = dce_v6_0_crtc_destroy,
2408	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2409	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2410	.enable_vblank = amdgpu_enable_vblank_kms,
2411	.disable_vblank = amdgpu_disable_vblank_kms,
2412	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2413};
2414
2415static void dce_v6_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2416{
2417	struct drm_device *dev = crtc->dev;
2418	struct amdgpu_device *adev = drm_to_adev(dev);
2419	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2420	unsigned type;
2421
2422	switch (mode) {
2423	case DRM_MODE_DPMS_ON:
2424		amdgpu_crtc->enabled = true;
2425		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2426		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2427		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2428		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2429						amdgpu_crtc->crtc_id);
2430		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2431		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2432		drm_crtc_vblank_on(crtc);
2433		dce_v6_0_crtc_load_lut(crtc);
2434		break;
2435	case DRM_MODE_DPMS_STANDBY:
2436	case DRM_MODE_DPMS_SUSPEND:
2437	case DRM_MODE_DPMS_OFF:
2438		drm_crtc_vblank_off(crtc);
2439		if (amdgpu_crtc->enabled)
2440			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2441		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2442		amdgpu_crtc->enabled = false;
2443		break;
2444	}
2445	/* adjust pm to dpms */
2446	amdgpu_dpm_compute_clocks(adev);
2447}
2448
2449static void dce_v6_0_crtc_prepare(struct drm_crtc *crtc)
2450{
2451	/* disable crtc pair power gating before programming */
2452	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2453	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2454	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2455}
2456
2457static void dce_v6_0_crtc_commit(struct drm_crtc *crtc)
2458{
2459	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2460	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2461}
2462
2463static void dce_v6_0_crtc_disable(struct drm_crtc *crtc)
2464{
2465
2466	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2467	struct drm_device *dev = crtc->dev;
2468	struct amdgpu_device *adev = drm_to_adev(dev);
2469	struct amdgpu_atom_ss ss;
2470	int i;
2471
2472	dce_v6_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2473	if (crtc->primary->fb) {
2474		int r;
2475		struct amdgpu_bo *abo;
2476
2477		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2478		r = amdgpu_bo_reserve(abo, true);
2479		if (unlikely(r))
2480			DRM_ERROR("failed to reserve abo before unpin\n");
2481		else {
2482			amdgpu_bo_unpin(abo);
2483			amdgpu_bo_unreserve(abo);
2484		}
2485	}
2486	/* disable the GRPH */
2487	dce_v6_0_grph_enable(crtc, false);
2488
2489	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2490
2491	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2492		if (adev->mode_info.crtcs[i] &&
2493		    adev->mode_info.crtcs[i]->enabled &&
2494		    i != amdgpu_crtc->crtc_id &&
2495		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2496			/* one other crtc is using this pll don't turn
2497			 * off the pll
2498			 */
2499			goto done;
2500		}
2501	}
2502
2503	switch (amdgpu_crtc->pll_id) {
2504	case ATOM_PPLL1:
2505	case ATOM_PPLL2:
2506		/* disable the ppll */
2507		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2508						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2509		break;
2510	default:
2511		break;
2512	}
2513done:
2514	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2515	amdgpu_crtc->adjusted_clock = 0;
2516	amdgpu_crtc->encoder = NULL;
2517	amdgpu_crtc->connector = NULL;
2518}
2519
2520static int dce_v6_0_crtc_mode_set(struct drm_crtc *crtc,
2521				  struct drm_display_mode *mode,
2522				  struct drm_display_mode *adjusted_mode,
2523				  int x, int y, struct drm_framebuffer *old_fb)
2524{
2525	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2526
2527	if (!amdgpu_crtc->adjusted_clock)
2528		return -EINVAL;
2529
2530	amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2531	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2532	dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2533	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2534	amdgpu_atombios_crtc_scaler_setup(crtc);
2535	dce_v6_0_cursor_reset(crtc);
2536	/* update the hw version fpr dpm */
2537	amdgpu_crtc->hw_mode = *adjusted_mode;
2538
2539	return 0;
2540}
2541
2542static bool dce_v6_0_crtc_mode_fixup(struct drm_crtc *crtc,
2543				     const struct drm_display_mode *mode,
2544				     struct drm_display_mode *adjusted_mode)
2545{
2546
2547	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2548	struct drm_device *dev = crtc->dev;
2549	struct drm_encoder *encoder;
2550
2551	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2552	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2553		if (encoder->crtc == crtc) {
2554			amdgpu_crtc->encoder = encoder;
2555			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2556			break;
2557		}
2558	}
2559	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2560		amdgpu_crtc->encoder = NULL;
2561		amdgpu_crtc->connector = NULL;
2562		return false;
2563	}
2564	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2565		return false;
2566	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2567		return false;
2568	/* pick pll */
2569	amdgpu_crtc->pll_id = dce_v6_0_pick_pll(crtc);
2570	/* if we can't get a PPLL for a non-DP encoder, fail */
2571	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2572	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2573		return false;
2574
2575	return true;
2576}
2577
2578static int dce_v6_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2579				  struct drm_framebuffer *old_fb)
2580{
2581	return dce_v6_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2582}
2583
2584static int dce_v6_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2585					 struct drm_framebuffer *fb,
2586					 int x, int y, enum mode_set_atomic state)
2587{
2588	return dce_v6_0_crtc_do_set_base(crtc, fb, x, y, 1);
2589}
2590
2591static const struct drm_crtc_helper_funcs dce_v6_0_crtc_helper_funcs = {
2592	.dpms = dce_v6_0_crtc_dpms,
2593	.mode_fixup = dce_v6_0_crtc_mode_fixup,
2594	.mode_set = dce_v6_0_crtc_mode_set,
2595	.mode_set_base = dce_v6_0_crtc_set_base,
2596	.mode_set_base_atomic = dce_v6_0_crtc_set_base_atomic,
2597	.prepare = dce_v6_0_crtc_prepare,
2598	.commit = dce_v6_0_crtc_commit,
2599	.disable = dce_v6_0_crtc_disable,
2600	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2601};
2602
2603static int dce_v6_0_crtc_init(struct amdgpu_device *adev, int index)
2604{
2605	struct amdgpu_crtc *amdgpu_crtc;
2606
2607	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2608			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2609	if (amdgpu_crtc == NULL)
2610		return -ENOMEM;
2611
2612	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v6_0_crtc_funcs);
2613
2614	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2615	amdgpu_crtc->crtc_id = index;
2616	adev->mode_info.crtcs[index] = amdgpu_crtc;
2617
2618	amdgpu_crtc->max_cursor_width = CURSOR_WIDTH;
2619	amdgpu_crtc->max_cursor_height = CURSOR_HEIGHT;
2620	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2621	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2622
2623	amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2624
2625	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2626	amdgpu_crtc->adjusted_clock = 0;
2627	amdgpu_crtc->encoder = NULL;
2628	amdgpu_crtc->connector = NULL;
2629	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v6_0_crtc_helper_funcs);
2630
2631	return 0;
2632}
2633
2634static int dce_v6_0_early_init(void *handle)
2635{
2636	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2637
2638	adev->audio_endpt_rreg = &dce_v6_0_audio_endpt_rreg;
2639	adev->audio_endpt_wreg = &dce_v6_0_audio_endpt_wreg;
2640
2641	dce_v6_0_set_display_funcs(adev);
2642
2643	adev->mode_info.num_crtc = dce_v6_0_get_num_crtc(adev);
2644
2645	switch (adev->asic_type) {
2646	case CHIP_TAHITI:
2647	case CHIP_PITCAIRN:
2648	case CHIP_VERDE:
2649		adev->mode_info.num_hpd = 6;
2650		adev->mode_info.num_dig = 6;
2651		break;
2652	case CHIP_OLAND:
2653		adev->mode_info.num_hpd = 2;
2654		adev->mode_info.num_dig = 2;
2655		break;
2656	default:
2657		return -EINVAL;
2658	}
2659
2660	dce_v6_0_set_irq_funcs(adev);
2661
2662	return 0;
2663}
2664
2665static int dce_v6_0_sw_init(void *handle)
2666{
2667	int r, i;
2668	bool ret;
2669	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2670
2671	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2672		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2673		if (r)
2674			return r;
2675	}
2676
2677	for (i = 8; i < 20; i += 2) {
2678		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2679		if (r)
2680			return r;
2681	}
2682
2683	/* HPD hotplug */
2684	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2685	if (r)
2686		return r;
2687
2688	adev->mode_info.mode_config_initialized = true;
2689
2690	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2691	adev_to_drm(adev)->mode_config.async_page_flip = true;
2692	adev_to_drm(adev)->mode_config.max_width = 16384;
2693	adev_to_drm(adev)->mode_config.max_height = 16384;
2694	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2695	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2696	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2697
2698	r = amdgpu_display_modeset_create_props(adev);
2699	if (r)
2700		return r;
2701
2702	adev_to_drm(adev)->mode_config.max_width = 16384;
2703	adev_to_drm(adev)->mode_config.max_height = 16384;
2704
2705	/* allocate crtcs */
2706	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2707		r = dce_v6_0_crtc_init(adev, i);
2708		if (r)
2709			return r;
2710	}
2711
2712	ret = amdgpu_atombios_get_connector_info_from_object_table(adev);
2713	if (ret)
2714		amdgpu_display_print_display_setup(adev_to_drm(adev));
2715	else
2716		return -EINVAL;
2717
2718	/* setup afmt */
2719	r = dce_v6_0_afmt_init(adev);
2720	if (r)
2721		return r;
2722
2723	r = dce_v6_0_audio_init(adev);
2724	if (r)
2725		return r;
2726
2727	/* Disable vblank IRQs aggressively for power-saving */
2728	/* XXX: can this be enabled for DC? */
2729	adev_to_drm(adev)->vblank_disable_immediate = true;
2730
2731	r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2732	if (r)
2733		return r;
2734
2735	/* Pre-DCE11 */
2736	INIT_DELAYED_WORK(&adev->hotplug_work,
2737		  amdgpu_display_hotplug_work_func);
2738
2739	drm_kms_helper_poll_init(adev_to_drm(adev));
2740
2741	return r;
2742}
2743
2744static int dce_v6_0_sw_fini(void *handle)
2745{
2746	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2747
2748	kfree(adev->mode_info.bios_hardcoded_edid);
2749
2750	drm_kms_helper_poll_fini(adev_to_drm(adev));
2751
2752	dce_v6_0_audio_fini(adev);
2753	dce_v6_0_afmt_fini(adev);
2754
2755	drm_mode_config_cleanup(adev_to_drm(adev));
2756	adev->mode_info.mode_config_initialized = false;
2757
2758	return 0;
2759}
2760
2761static int dce_v6_0_hw_init(void *handle)
2762{
2763	int i;
2764	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2765
2766	/* disable vga render */
2767	dce_v6_0_set_vga_render_state(adev, false);
2768	/* init dig PHYs, disp eng pll */
2769	amdgpu_atombios_encoder_init_dig(adev);
2770	amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2771
2772	/* initialize hpd */
2773	dce_v6_0_hpd_init(adev);
2774
2775	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2776		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2777	}
2778
2779	dce_v6_0_pageflip_interrupt_init(adev);
2780
2781	return 0;
2782}
2783
2784static int dce_v6_0_hw_fini(void *handle)
2785{
2786	int i;
2787	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2788
2789	dce_v6_0_hpd_fini(adev);
2790
2791	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2792		dce_v6_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2793	}
2794
2795	dce_v6_0_pageflip_interrupt_fini(adev);
2796
2797	flush_delayed_work(&adev->hotplug_work);
2798
2799	return 0;
2800}
2801
2802static int dce_v6_0_suspend(void *handle)
2803{
2804	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2805	int r;
2806
2807	r = amdgpu_display_suspend_helper(adev);
2808	if (r)
2809		return r;
2810	adev->mode_info.bl_level =
2811		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2812
2813	return dce_v6_0_hw_fini(handle);
2814}
2815
2816static int dce_v6_0_resume(void *handle)
2817{
2818	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2819	int ret;
2820
2821	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2822							   adev->mode_info.bl_level);
2823
2824	ret = dce_v6_0_hw_init(handle);
2825
2826	/* turn on the BL */
2827	if (adev->mode_info.bl_encoder) {
2828		u8 bl_level = amdgpu_display_backlight_get_level(adev,
2829								  adev->mode_info.bl_encoder);
2830		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2831						    bl_level);
2832	}
2833	if (ret)
2834		return ret;
2835
2836	return amdgpu_display_resume_helper(adev);
2837}
2838
2839static bool dce_v6_0_is_idle(void *handle)
2840{
2841	return true;
2842}
2843
2844static int dce_v6_0_wait_for_idle(void *handle)
2845{
2846	return 0;
2847}
2848
2849static int dce_v6_0_soft_reset(void *handle)
2850{
2851	DRM_INFO("xxxx: dce_v6_0_soft_reset --- no impl!!\n");
2852	return 0;
2853}
2854
2855static void dce_v6_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2856						     int crtc,
2857						     enum amdgpu_interrupt_state state)
2858{
2859	u32 reg_block, interrupt_mask;
2860
2861	if (crtc >= adev->mode_info.num_crtc) {
2862		DRM_DEBUG("invalid crtc %d\n", crtc);
2863		return;
2864	}
2865
2866	switch (crtc) {
2867	case 0:
2868		reg_block = SI_CRTC0_REGISTER_OFFSET;
2869		break;
2870	case 1:
2871		reg_block = SI_CRTC1_REGISTER_OFFSET;
2872		break;
2873	case 2:
2874		reg_block = SI_CRTC2_REGISTER_OFFSET;
2875		break;
2876	case 3:
2877		reg_block = SI_CRTC3_REGISTER_OFFSET;
2878		break;
2879	case 4:
2880		reg_block = SI_CRTC4_REGISTER_OFFSET;
2881		break;
2882	case 5:
2883		reg_block = SI_CRTC5_REGISTER_OFFSET;
2884		break;
2885	default:
2886		DRM_DEBUG("invalid crtc %d\n", crtc);
2887		return;
2888	}
2889
2890	switch (state) {
2891	case AMDGPU_IRQ_STATE_DISABLE:
2892		interrupt_mask = RREG32(mmINT_MASK + reg_block);
2893		interrupt_mask &= ~VBLANK_INT_MASK;
2894		WREG32(mmINT_MASK + reg_block, interrupt_mask);
2895		break;
2896	case AMDGPU_IRQ_STATE_ENABLE:
2897		interrupt_mask = RREG32(mmINT_MASK + reg_block);
2898		interrupt_mask |= VBLANK_INT_MASK;
2899		WREG32(mmINT_MASK + reg_block, interrupt_mask);
2900		break;
2901	default:
2902		break;
2903	}
2904}
2905
2906static void dce_v6_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2907						    int crtc,
2908						    enum amdgpu_interrupt_state state)
2909{
2910
2911}
2912
2913static int dce_v6_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2914					    struct amdgpu_irq_src *src,
2915					    unsigned type,
2916					    enum amdgpu_interrupt_state state)
2917{
2918	u32 dc_hpd_int_cntl;
2919
2920	if (type >= adev->mode_info.num_hpd) {
2921		DRM_DEBUG("invalid hdp %d\n", type);
2922		return 0;
2923	}
2924
2925	switch (state) {
2926	case AMDGPU_IRQ_STATE_DISABLE:
2927		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2928		dc_hpd_int_cntl &= ~DC_HPDx_INT_EN;
2929		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2930		break;
2931	case AMDGPU_IRQ_STATE_ENABLE:
2932		dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2933		dc_hpd_int_cntl |= DC_HPDx_INT_EN;
2934		WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2935		break;
2936	default:
2937		break;
2938	}
2939
2940	return 0;
2941}
2942
2943static int dce_v6_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2944					     struct amdgpu_irq_src *src,
2945					     unsigned type,
2946					     enum amdgpu_interrupt_state state)
2947{
2948	switch (type) {
2949	case AMDGPU_CRTC_IRQ_VBLANK1:
2950		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2951		break;
2952	case AMDGPU_CRTC_IRQ_VBLANK2:
2953		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2954		break;
2955	case AMDGPU_CRTC_IRQ_VBLANK3:
2956		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2957		break;
2958	case AMDGPU_CRTC_IRQ_VBLANK4:
2959		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2960		break;
2961	case AMDGPU_CRTC_IRQ_VBLANK5:
2962		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2963		break;
2964	case AMDGPU_CRTC_IRQ_VBLANK6:
2965		dce_v6_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2966		break;
2967	case AMDGPU_CRTC_IRQ_VLINE1:
2968		dce_v6_0_set_crtc_vline_interrupt_state(adev, 0, state);
2969		break;
2970	case AMDGPU_CRTC_IRQ_VLINE2:
2971		dce_v6_0_set_crtc_vline_interrupt_state(adev, 1, state);
2972		break;
2973	case AMDGPU_CRTC_IRQ_VLINE3:
2974		dce_v6_0_set_crtc_vline_interrupt_state(adev, 2, state);
2975		break;
2976	case AMDGPU_CRTC_IRQ_VLINE4:
2977		dce_v6_0_set_crtc_vline_interrupt_state(adev, 3, state);
2978		break;
2979	case AMDGPU_CRTC_IRQ_VLINE5:
2980		dce_v6_0_set_crtc_vline_interrupt_state(adev, 4, state);
2981		break;
2982	case AMDGPU_CRTC_IRQ_VLINE6:
2983		dce_v6_0_set_crtc_vline_interrupt_state(adev, 5, state);
2984		break;
2985	default:
2986		break;
2987	}
2988	return 0;
2989}
2990
2991static int dce_v6_0_crtc_irq(struct amdgpu_device *adev,
2992			     struct amdgpu_irq_src *source,
2993			     struct amdgpu_iv_entry *entry)
2994{
2995	unsigned crtc = entry->src_id - 1;
2996	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
2997	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
2998								    crtc);
2999
3000	switch (entry->src_data[0]) {
3001	case 0: /* vblank */
3002		if (disp_int & interrupt_status_offsets[crtc].vblank)
3003			WREG32(mmVBLANK_STATUS + crtc_offsets[crtc], VBLANK_ACK);
3004		else
3005			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3006
3007		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3008			drm_handle_vblank(adev_to_drm(adev), crtc);
3009		}
3010		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3011		break;
3012	case 1: /* vline */
3013		if (disp_int & interrupt_status_offsets[crtc].vline)
3014			WREG32(mmVLINE_STATUS + crtc_offsets[crtc], VLINE_ACK);
3015		else
3016			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3017
3018		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3019		break;
3020	default:
3021		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3022		break;
3023	}
3024
3025	return 0;
3026}
3027
3028static int dce_v6_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3029						 struct amdgpu_irq_src *src,
3030						 unsigned type,
3031						 enum amdgpu_interrupt_state state)
3032{
3033	u32 reg;
3034
3035	if (type >= adev->mode_info.num_crtc) {
3036		DRM_ERROR("invalid pageflip crtc %d\n", type);
3037		return -EINVAL;
3038	}
3039
3040	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3041	if (state == AMDGPU_IRQ_STATE_DISABLE)
3042		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3043		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3044	else
3045		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3046		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3047
3048	return 0;
3049}
3050
3051static int dce_v6_0_pageflip_irq(struct amdgpu_device *adev,
3052				 struct amdgpu_irq_src *source,
3053				 struct amdgpu_iv_entry *entry)
3054{
3055	unsigned long flags;
3056	unsigned crtc_id;
3057	struct amdgpu_crtc *amdgpu_crtc;
3058	struct amdgpu_flip_work *works;
3059
3060	crtc_id = (entry->src_id - 8) >> 1;
3061	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3062
3063	if (crtc_id >= adev->mode_info.num_crtc) {
3064		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3065		return -EINVAL;
3066	}
3067
3068	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3069	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3070		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3071		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3072
3073	/* IRQ could occur when in initial stage */
3074	if (amdgpu_crtc == NULL)
3075		return 0;
3076
3077	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3078	works = amdgpu_crtc->pflip_works;
3079	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3080		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3081						"AMDGPU_FLIP_SUBMITTED(%d)\n",
3082						amdgpu_crtc->pflip_status,
3083						AMDGPU_FLIP_SUBMITTED);
3084		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3085		return 0;
3086	}
3087
3088	/* page flip completed. clean up */
3089	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3090	amdgpu_crtc->pflip_works = NULL;
3091
3092	/* wakeup usersapce */
3093	if (works->event)
3094		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3095
3096	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3097
3098	drm_crtc_vblank_put(&amdgpu_crtc->base);
3099	schedule_work(&works->unpin_work);
3100
3101	return 0;
3102}
3103
3104static int dce_v6_0_hpd_irq(struct amdgpu_device *adev,
3105			    struct amdgpu_irq_src *source,
3106			    struct amdgpu_iv_entry *entry)
3107{
3108	uint32_t disp_int, mask;
3109	unsigned hpd;
3110
3111	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3112		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3113		return 0;
3114	}
3115
3116	hpd = entry->src_data[0];
3117	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3118	mask = interrupt_status_offsets[hpd].hpd;
3119
3120	if (disp_int & mask) {
3121		dce_v6_0_hpd_int_ack(adev, hpd);
3122		schedule_delayed_work(&adev->hotplug_work, 0);
3123		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3124	}
3125
3126	return 0;
3127
3128}
3129
3130static int dce_v6_0_set_clockgating_state(void *handle,
3131					  enum amd_clockgating_state state)
3132{
3133	return 0;
3134}
3135
3136static int dce_v6_0_set_powergating_state(void *handle,
3137					  enum amd_powergating_state state)
3138{
3139	return 0;
3140}
3141
3142static const struct amd_ip_funcs dce_v6_0_ip_funcs = {
3143	.name = "dce_v6_0",
3144	.early_init = dce_v6_0_early_init,
3145	.late_init = NULL,
3146	.sw_init = dce_v6_0_sw_init,
3147	.sw_fini = dce_v6_0_sw_fini,
3148	.hw_init = dce_v6_0_hw_init,
3149	.hw_fini = dce_v6_0_hw_fini,
3150	.suspend = dce_v6_0_suspend,
3151	.resume = dce_v6_0_resume,
3152	.is_idle = dce_v6_0_is_idle,
3153	.wait_for_idle = dce_v6_0_wait_for_idle,
3154	.soft_reset = dce_v6_0_soft_reset,
3155	.set_clockgating_state = dce_v6_0_set_clockgating_state,
3156	.set_powergating_state = dce_v6_0_set_powergating_state,
3157};
3158
3159static void
3160dce_v6_0_encoder_mode_set(struct drm_encoder *encoder,
3161			  struct drm_display_mode *mode,
3162			  struct drm_display_mode *adjusted_mode)
3163{
3164
3165	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3166	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3167
3168	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3169
3170	/* need to call this here rather than in prepare() since we need some crtc info */
3171	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3172
3173	/* set scaler clears this on some chips */
3174	dce_v6_0_set_interleave(encoder->crtc, mode);
3175
3176	if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em)) {
3177		dce_v6_0_afmt_enable(encoder, true);
3178		dce_v6_0_afmt_setmode(encoder, adjusted_mode);
3179	}
3180}
3181
3182static void dce_v6_0_encoder_prepare(struct drm_encoder *encoder)
3183{
3184
3185	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3186	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3187	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3188
3189	if ((amdgpu_encoder->active_device &
3190	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3191	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3192	     ENCODER_OBJECT_ID_NONE)) {
3193		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3194		if (dig) {
3195			dig->dig_encoder = dce_v6_0_pick_dig_encoder(encoder);
3196			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3197				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3198		}
3199	}
3200
3201	amdgpu_atombios_scratch_regs_lock(adev, true);
3202
3203	if (connector) {
3204		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3205
3206		/* select the clock/data port if it uses a router */
3207		if (amdgpu_connector->router.cd_valid)
3208			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3209
3210		/* turn eDP panel on for mode set */
3211		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3212			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3213							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3214	}
3215
3216	/* this is needed for the pll/ss setup to work correctly in some cases */
3217	amdgpu_atombios_encoder_set_crtc_source(encoder);
3218	/* set up the FMT blocks */
3219	dce_v6_0_program_fmt(encoder);
3220}
3221
3222static void dce_v6_0_encoder_commit(struct drm_encoder *encoder)
3223{
3224
3225	struct drm_device *dev = encoder->dev;
3226	struct amdgpu_device *adev = drm_to_adev(dev);
3227
3228	/* need to call this here as we need the crtc set up */
3229	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3230	amdgpu_atombios_scratch_regs_lock(adev, false);
3231}
3232
3233static void dce_v6_0_encoder_disable(struct drm_encoder *encoder)
3234{
3235
3236	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3237	struct amdgpu_encoder_atom_dig *dig;
3238	int em = amdgpu_atombios_encoder_get_encoder_mode(encoder);
3239
3240	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3241
3242	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3243		if (em == ATOM_ENCODER_MODE_HDMI || ENCODER_MODE_IS_DP(em))
3244			dce_v6_0_afmt_enable(encoder, false);
3245		dig = amdgpu_encoder->enc_priv;
3246		dig->dig_encoder = -1;
3247	}
3248	amdgpu_encoder->active_device = 0;
3249}
3250
3251/* these are handled by the primary encoders */
3252static void dce_v6_0_ext_prepare(struct drm_encoder *encoder)
3253{
3254
3255}
3256
3257static void dce_v6_0_ext_commit(struct drm_encoder *encoder)
3258{
3259
3260}
3261
3262static void
3263dce_v6_0_ext_mode_set(struct drm_encoder *encoder,
3264		      struct drm_display_mode *mode,
3265		      struct drm_display_mode *adjusted_mode)
3266{
3267
3268}
3269
3270static void dce_v6_0_ext_disable(struct drm_encoder *encoder)
3271{
3272
3273}
3274
3275static void
3276dce_v6_0_ext_dpms(struct drm_encoder *encoder, int mode)
3277{
3278
3279}
3280
3281static bool dce_v6_0_ext_mode_fixup(struct drm_encoder *encoder,
3282				    const struct drm_display_mode *mode,
3283				    struct drm_display_mode *adjusted_mode)
3284{
3285	return true;
3286}
3287
3288static const struct drm_encoder_helper_funcs dce_v6_0_ext_helper_funcs = {
3289	.dpms = dce_v6_0_ext_dpms,
3290	.mode_fixup = dce_v6_0_ext_mode_fixup,
3291	.prepare = dce_v6_0_ext_prepare,
3292	.mode_set = dce_v6_0_ext_mode_set,
3293	.commit = dce_v6_0_ext_commit,
3294	.disable = dce_v6_0_ext_disable,
3295	/* no detect for TMDS/LVDS yet */
3296};
3297
3298static const struct drm_encoder_helper_funcs dce_v6_0_dig_helper_funcs = {
3299	.dpms = amdgpu_atombios_encoder_dpms,
3300	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3301	.prepare = dce_v6_0_encoder_prepare,
3302	.mode_set = dce_v6_0_encoder_mode_set,
3303	.commit = dce_v6_0_encoder_commit,
3304	.disable = dce_v6_0_encoder_disable,
3305	.detect = amdgpu_atombios_encoder_dig_detect,
3306};
3307
3308static const struct drm_encoder_helper_funcs dce_v6_0_dac_helper_funcs = {
3309	.dpms = amdgpu_atombios_encoder_dpms,
3310	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3311	.prepare = dce_v6_0_encoder_prepare,
3312	.mode_set = dce_v6_0_encoder_mode_set,
3313	.commit = dce_v6_0_encoder_commit,
3314	.detect = amdgpu_atombios_encoder_dac_detect,
3315};
3316
3317static void dce_v6_0_encoder_destroy(struct drm_encoder *encoder)
3318{
3319	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3320	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3321		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3322	kfree(amdgpu_encoder->enc_priv);
3323	drm_encoder_cleanup(encoder);
3324	kfree(amdgpu_encoder);
3325}
3326
3327static const struct drm_encoder_funcs dce_v6_0_encoder_funcs = {
3328	.destroy = dce_v6_0_encoder_destroy,
3329};
3330
3331static void dce_v6_0_encoder_add(struct amdgpu_device *adev,
3332				 uint32_t encoder_enum,
3333				 uint32_t supported_device,
3334				 u16 caps)
3335{
3336	struct drm_device *dev = adev_to_drm(adev);
3337	struct drm_encoder *encoder;
3338	struct amdgpu_encoder *amdgpu_encoder;
3339
3340	/* see if we already added it */
3341	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3342		amdgpu_encoder = to_amdgpu_encoder(encoder);
3343		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3344			amdgpu_encoder->devices |= supported_device;
3345			return;
3346		}
3347
3348	}
3349
3350	/* add a new one */
3351	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3352	if (!amdgpu_encoder)
3353		return;
3354
3355	encoder = &amdgpu_encoder->base;
3356	switch (adev->mode_info.num_crtc) {
3357	case 1:
3358		encoder->possible_crtcs = 0x1;
3359		break;
3360	case 2:
3361	default:
3362		encoder->possible_crtcs = 0x3;
3363		break;
3364	case 4:
3365		encoder->possible_crtcs = 0xf;
3366		break;
3367	case 6:
3368		encoder->possible_crtcs = 0x3f;
3369		break;
3370	}
3371
3372	amdgpu_encoder->enc_priv = NULL;
3373	amdgpu_encoder->encoder_enum = encoder_enum;
3374	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3375	amdgpu_encoder->devices = supported_device;
3376	amdgpu_encoder->rmx_type = RMX_OFF;
3377	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3378	amdgpu_encoder->is_ext_encoder = false;
3379	amdgpu_encoder->caps = caps;
3380
3381	switch (amdgpu_encoder->encoder_id) {
3382	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3383	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3384		drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3385				 DRM_MODE_ENCODER_DAC, NULL);
3386		drm_encoder_helper_add(encoder, &dce_v6_0_dac_helper_funcs);
3387		break;
3388	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3389	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3390	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3391	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3392	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3393		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3394			amdgpu_encoder->rmx_type = RMX_FULL;
3395			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3396					 DRM_MODE_ENCODER_LVDS, NULL);
3397			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3398		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3399			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3400					 DRM_MODE_ENCODER_DAC, NULL);
3401			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3402		} else {
3403			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3404					 DRM_MODE_ENCODER_TMDS, NULL);
3405			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3406		}
3407		drm_encoder_helper_add(encoder, &dce_v6_0_dig_helper_funcs);
3408		break;
3409	case ENCODER_OBJECT_ID_SI170B:
3410	case ENCODER_OBJECT_ID_CH7303:
3411	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3412	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3413	case ENCODER_OBJECT_ID_TITFP513:
3414	case ENCODER_OBJECT_ID_VT1623:
3415	case ENCODER_OBJECT_ID_HDMI_SI1930:
3416	case ENCODER_OBJECT_ID_TRAVIS:
3417	case ENCODER_OBJECT_ID_NUTMEG:
3418		/* these are handled by the primary encoders */
3419		amdgpu_encoder->is_ext_encoder = true;
3420		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3421			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3422					 DRM_MODE_ENCODER_LVDS, NULL);
3423		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3424			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3425					 DRM_MODE_ENCODER_DAC, NULL);
3426		else
3427			drm_encoder_init(dev, encoder, &dce_v6_0_encoder_funcs,
3428					 DRM_MODE_ENCODER_TMDS, NULL);
3429		drm_encoder_helper_add(encoder, &dce_v6_0_ext_helper_funcs);
3430		break;
3431	}
3432}
3433
3434static const struct amdgpu_display_funcs dce_v6_0_display_funcs = {
3435	.bandwidth_update = &dce_v6_0_bandwidth_update,
3436	.vblank_get_counter = &dce_v6_0_vblank_get_counter,
3437	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3438	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3439	.hpd_sense = &dce_v6_0_hpd_sense,
3440	.hpd_set_polarity = &dce_v6_0_hpd_set_polarity,
3441	.hpd_get_gpio_reg = &dce_v6_0_hpd_get_gpio_reg,
3442	.page_flip = &dce_v6_0_page_flip,
3443	.page_flip_get_scanoutpos = &dce_v6_0_crtc_get_scanoutpos,
3444	.add_encoder = &dce_v6_0_encoder_add,
3445	.add_connector = &amdgpu_connector_add,
3446};
3447
3448static void dce_v6_0_set_display_funcs(struct amdgpu_device *adev)
3449{
3450	adev->mode_info.funcs = &dce_v6_0_display_funcs;
3451}
3452
3453static const struct amdgpu_irq_src_funcs dce_v6_0_crtc_irq_funcs = {
3454	.set = dce_v6_0_set_crtc_interrupt_state,
3455	.process = dce_v6_0_crtc_irq,
3456};
3457
3458static const struct amdgpu_irq_src_funcs dce_v6_0_pageflip_irq_funcs = {
3459	.set = dce_v6_0_set_pageflip_interrupt_state,
3460	.process = dce_v6_0_pageflip_irq,
3461};
3462
3463static const struct amdgpu_irq_src_funcs dce_v6_0_hpd_irq_funcs = {
3464	.set = dce_v6_0_set_hpd_interrupt_state,
3465	.process = dce_v6_0_hpd_irq,
3466};
3467
3468static void dce_v6_0_set_irq_funcs(struct amdgpu_device *adev)
3469{
3470	if (adev->mode_info.num_crtc > 0)
3471		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3472	else
3473		adev->crtc_irq.num_types = 0;
3474	adev->crtc_irq.funcs = &dce_v6_0_crtc_irq_funcs;
3475
3476	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3477	adev->pageflip_irq.funcs = &dce_v6_0_pageflip_irq_funcs;
3478
3479	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3480	adev->hpd_irq.funcs = &dce_v6_0_hpd_irq_funcs;
3481}
3482
3483const struct amdgpu_ip_block_version dce_v6_0_ip_block =
3484{
3485	.type = AMD_IP_BLOCK_TYPE_DCE,
3486	.major = 6,
3487	.minor = 0,
3488	.rev = 0,
3489	.funcs = &dce_v6_0_ip_funcs,
3490};
3491
3492const struct amdgpu_ip_block_version dce_v6_4_ip_block =
3493{
3494	.type = AMD_IP_BLOCK_TYPE_DCE,
3495	.major = 6,
3496	.minor = 4,
3497	.rev = 0,
3498	.funcs = &dce_v6_0_ip_funcs,
3499};
3500