rv515.c revision 1.4
1/*	$OpenBSD: rv515.c,v 1.4 2015/02/11 07:01:37 jsg Exp $	*/
2/*
3 * Copyright 2008 Advanced Micro Devices, Inc.
4 * Copyright 2008 Red Hat Inc.
5 * Copyright 2009 Jerome Glisse.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 *
25 * Authors: Dave Airlie
26 *          Alex Deucher
27 *          Jerome Glisse
28 */
29#include <dev/pci/drm/drmP.h>
30#include "rv515d.h"
31#include "radeon.h"
32#include "radeon_asic.h"
33#include "atom.h"
34#include "rv515_reg_safe.h"
35
36/* This files gather functions specifics to: rv515 */
37static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
38static int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
39static void rv515_gpu_init(struct radeon_device *rdev);
40int rv515_mc_wait_for_idle(struct radeon_device *rdev);
41
42static const u32 crtc_offsets[2] =
43{
44	0,
45	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
46};
47
48void rv515_debugfs(struct radeon_device *rdev)
49{
50	if (r100_debugfs_rbbm_init(rdev)) {
51		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
52	}
53	if (rv515_debugfs_pipes_info_init(rdev)) {
54		DRM_ERROR("Failed to register debugfs file for pipes !\n");
55	}
56	if (rv515_debugfs_ga_info_init(rdev)) {
57		DRM_ERROR("Failed to register debugfs file for pipes !\n");
58	}
59}
60
61void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
62{
63	int r;
64
65	r = radeon_ring_lock(rdev, ring, 64);
66	if (r) {
67		return;
68	}
69	radeon_ring_write(ring, PACKET0(ISYNC_CNTL, 0));
70	radeon_ring_write(ring,
71			  ISYNC_ANY2D_IDLE3D |
72			  ISYNC_ANY3D_IDLE2D |
73			  ISYNC_WAIT_IDLEGUI |
74			  ISYNC_CPSCRATCH_IDLEGUI);
75	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
76	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
77	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
78	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
79	radeon_ring_write(ring, PACKET0(GB_SELECT, 0));
80	radeon_ring_write(ring, 0);
81	radeon_ring_write(ring, PACKET0(GB_ENABLE, 0));
82	radeon_ring_write(ring, 0);
83	radeon_ring_write(ring, PACKET0(R500_SU_REG_DEST, 0));
84	radeon_ring_write(ring, (1 << rdev->num_gb_pipes) - 1);
85	radeon_ring_write(ring, PACKET0(VAP_INDEX_OFFSET, 0));
86	radeon_ring_write(ring, 0);
87	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
88	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
89	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
90	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
91	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
92	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
93	radeon_ring_write(ring, PACKET0(GB_AA_CONFIG, 0));
94	radeon_ring_write(ring, 0);
95	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
96	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
97	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
98	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
99	radeon_ring_write(ring, PACKET0(GB_MSPOS0, 0));
100	radeon_ring_write(ring,
101			  ((6 << MS_X0_SHIFT) |
102			   (6 << MS_Y0_SHIFT) |
103			   (6 << MS_X1_SHIFT) |
104			   (6 << MS_Y1_SHIFT) |
105			   (6 << MS_X2_SHIFT) |
106			   (6 << MS_Y2_SHIFT) |
107			   (6 << MSBD0_Y_SHIFT) |
108			   (6 << MSBD0_X_SHIFT)));
109	radeon_ring_write(ring, PACKET0(GB_MSPOS1, 0));
110	radeon_ring_write(ring,
111			  ((6 << MS_X3_SHIFT) |
112			   (6 << MS_Y3_SHIFT) |
113			   (6 << MS_X4_SHIFT) |
114			   (6 << MS_Y4_SHIFT) |
115			   (6 << MS_X5_SHIFT) |
116			   (6 << MS_Y5_SHIFT) |
117			   (6 << MSBD1_SHIFT)));
118	radeon_ring_write(ring, PACKET0(GA_ENHANCE, 0));
119	radeon_ring_write(ring, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
120	radeon_ring_write(ring, PACKET0(GA_POLY_MODE, 0));
121	radeon_ring_write(ring, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
122	radeon_ring_write(ring, PACKET0(GA_ROUND_MODE, 0));
123	radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
124	radeon_ring_write(ring, PACKET0(0x20C8, 0));
125	radeon_ring_write(ring, 0);
126	radeon_ring_unlock_commit(rdev, ring);
127}
128
129int rv515_mc_wait_for_idle(struct radeon_device *rdev)
130{
131	unsigned i;
132	uint32_t tmp;
133
134	for (i = 0; i < rdev->usec_timeout; i++) {
135		/* read MC_STATUS */
136		tmp = RREG32_MC(MC_STATUS);
137		if (tmp & MC_STATUS_IDLE) {
138			return 0;
139		}
140		udelay(1);
141	}
142	return -1;
143}
144
145void rv515_vga_render_disable(struct radeon_device *rdev)
146{
147	WREG32(R_000300_VGA_RENDER_CONTROL,
148		RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
149}
150
151static void rv515_gpu_init(struct radeon_device *rdev)
152{
153	unsigned pipe_select_current, gb_pipe_select, tmp;
154
155	if (r100_gui_wait_for_idle(rdev)) {
156		printk(KERN_WARNING "Failed to wait GUI idle while "
157		       "resetting GPU. Bad things might happen.\n");
158	}
159	rv515_vga_render_disable(rdev);
160	r420_pipes_init(rdev);
161	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
162	tmp = RREG32(R300_DST_PIPE_CONFIG);
163	pipe_select_current = (tmp >> 2) & 3;
164	tmp = (1 << pipe_select_current) |
165	      (((gb_pipe_select >> 8) & 0xF) << 4);
166	WREG32_PLL(0x000D, tmp);
167	if (r100_gui_wait_for_idle(rdev)) {
168		printk(KERN_WARNING "Failed to wait GUI idle while "
169		       "resetting GPU. Bad things might happen.\n");
170	}
171	if (rv515_mc_wait_for_idle(rdev)) {
172		printk(KERN_WARNING "Failed to wait MC idle while "
173		       "programming pipes. Bad things might happen.\n");
174	}
175}
176
177static void rv515_vram_get_type(struct radeon_device *rdev)
178{
179	uint32_t tmp;
180
181	rdev->mc.vram_width = 128;
182	rdev->mc.vram_is_ddr = true;
183	tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
184	switch (tmp) {
185	case 0:
186		rdev->mc.vram_width = 64;
187		break;
188	case 1:
189		rdev->mc.vram_width = 128;
190		break;
191	default:
192		rdev->mc.vram_width = 128;
193		break;
194	}
195}
196
197static void rv515_mc_init(struct radeon_device *rdev)
198{
199
200	rv515_vram_get_type(rdev);
201	r100_vram_init_sizes(rdev);
202	radeon_vram_location(rdev, &rdev->mc, 0);
203	rdev->mc.gtt_base_align = 0;
204	if (!(rdev->flags & RADEON_IS_AGP))
205		radeon_gtt_location(rdev, &rdev->mc);
206	radeon_update_bandwidth_info(rdev);
207}
208
209uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
210{
211	uint32_t r;
212
213	WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
214	r = RREG32(MC_IND_DATA);
215	WREG32(MC_IND_INDEX, 0);
216	return r;
217}
218
219void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
220{
221	WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
222	WREG32(MC_IND_DATA, (v));
223	WREG32(MC_IND_INDEX, 0);
224}
225
226#if defined(CONFIG_DEBUG_FS)
227static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
228{
229	struct drm_info_node *node = (struct drm_info_node *) m->private;
230	struct drm_device *dev = node->minor->dev;
231	struct radeon_device *rdev = dev->dev_private;
232	uint32_t tmp;
233
234	tmp = RREG32(GB_PIPE_SELECT);
235	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
236	tmp = RREG32(SU_REG_DEST);
237	seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
238	tmp = RREG32(GB_TILE_CONFIG);
239	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
240	tmp = RREG32(DST_PIPE_CONFIG);
241	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
242	return 0;
243}
244
245static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
246{
247	struct drm_info_node *node = (struct drm_info_node *) m->private;
248	struct drm_device *dev = node->minor->dev;
249	struct radeon_device *rdev = dev->dev_private;
250	uint32_t tmp;
251
252	tmp = RREG32(0x2140);
253	seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
254	radeon_asic_reset(rdev);
255	tmp = RREG32(0x425C);
256	seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
257	return 0;
258}
259
260static struct drm_info_list rv515_pipes_info_list[] = {
261	{"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
262};
263
264static struct drm_info_list rv515_ga_info_list[] = {
265	{"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
266};
267#endif
268
269static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
270{
271#if defined(CONFIG_DEBUG_FS)
272	return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
273#else
274	return 0;
275#endif
276}
277
278static int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
279{
280#if defined(CONFIG_DEBUG_FS)
281	return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
282#else
283	return 0;
284#endif
285}
286
287void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
288{
289	u32 crtc_enabled, tmp, frame_count, blackout;
290	int i, j;
291
292	save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
293	save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
294
295	/* disable VGA render */
296	WREG32(R_000300_VGA_RENDER_CONTROL, 0);
297	/* blank the display controllers */
298	for (i = 0; i < rdev->num_crtc; i++) {
299		crtc_enabled = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN;
300		if (crtc_enabled) {
301			save->crtc_enabled[i] = true;
302			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
303			if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) {
304				radeon_wait_for_vblank(rdev, i);
305				WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
306				tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
307				WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
308				WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
309			}
310			/* wait for the next frame */
311			frame_count = radeon_get_vblank_counter(rdev, i);
312			for (j = 0; j < rdev->usec_timeout; j++) {
313				if (radeon_get_vblank_counter(rdev, i) != frame_count)
314					break;
315				udelay(1);
316			}
317
318			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
319			WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
320			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
321			tmp &= ~AVIVO_CRTC_EN;
322			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
323			WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
324			save->crtc_enabled[i] = false;
325			/* ***** */
326		} else {
327			save->crtc_enabled[i] = false;
328		}
329	}
330
331	radeon_mc_wait_for_idle(rdev);
332
333	if (rdev->family >= CHIP_R600) {
334		if (rdev->family >= CHIP_RV770)
335			blackout = RREG32(R700_MC_CITF_CNTL);
336		else
337			blackout = RREG32(R600_CITF_CNTL);
338		if ((blackout & R600_BLACKOUT_MASK) != R600_BLACKOUT_MASK) {
339			/* Block CPU access */
340			WREG32(R600_BIF_FB_EN, 0);
341			/* blackout the MC */
342			blackout |= R600_BLACKOUT_MASK;
343			if (rdev->family >= CHIP_RV770)
344				WREG32(R700_MC_CITF_CNTL, blackout);
345			else
346				WREG32(R600_CITF_CNTL, blackout);
347		}
348	}
349	/* wait for the MC to settle */
350	udelay(100);
351
352	/* lock double buffered regs */
353	for (i = 0; i < rdev->num_crtc; i++) {
354		if (save->crtc_enabled[i]) {
355			tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
356			if (!(tmp & AVIVO_D1GRPH_UPDATE_LOCK)) {
357				tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
358				WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
359			}
360			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
361			if (!(tmp & 1)) {
362				tmp |= 1;
363				WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
364			}
365		}
366	}
367}
368
369void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
370{
371	u32 tmp, frame_count;
372	int i, j;
373
374	/* update crtc base addresses */
375	for (i = 0; i < rdev->num_crtc; i++) {
376		if (rdev->family >= CHIP_RV770) {
377			if (i == 0) {
378				WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
379				       upper_32_bits(rdev->mc.vram_start));
380				WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
381				       upper_32_bits(rdev->mc.vram_start));
382			} else {
383				WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
384				       upper_32_bits(rdev->mc.vram_start));
385				WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
386				       upper_32_bits(rdev->mc.vram_start));
387			}
388		}
389		WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
390		       (u32)rdev->mc.vram_start);
391		WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
392		       (u32)rdev->mc.vram_start);
393	}
394	WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
395
396	/* unlock regs and wait for update */
397	for (i = 0; i < rdev->num_crtc; i++) {
398		if (save->crtc_enabled[i]) {
399			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]);
400			if ((tmp & 0x3) != 0) {
401				tmp &= ~0x3;
402				WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
403			}
404			tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
405			if (tmp & AVIVO_D1GRPH_UPDATE_LOCK) {
406				tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
407				WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
408			}
409			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
410			if (tmp & 1) {
411				tmp &= ~1;
412				WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
413			}
414			for (j = 0; j < rdev->usec_timeout; j++) {
415				tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
416				if ((tmp & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) == 0)
417					break;
418				udelay(1);
419			}
420		}
421	}
422
423	if (rdev->family >= CHIP_R600) {
424		/* unblackout the MC */
425		if (rdev->family >= CHIP_RV770)
426			tmp = RREG32(R700_MC_CITF_CNTL);
427		else
428			tmp = RREG32(R600_CITF_CNTL);
429		tmp &= ~R600_BLACKOUT_MASK;
430		if (rdev->family >= CHIP_RV770)
431			WREG32(R700_MC_CITF_CNTL, tmp);
432		else
433			WREG32(R600_CITF_CNTL, tmp);
434		/* allow CPU access */
435		WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN);
436	}
437
438	for (i = 0; i < rdev->num_crtc; i++) {
439		if (save->crtc_enabled[i]) {
440			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
441			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
442			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
443			/* wait for the next frame */
444			frame_count = radeon_get_vblank_counter(rdev, i);
445			for (j = 0; j < rdev->usec_timeout; j++) {
446				if (radeon_get_vblank_counter(rdev, i) != frame_count)
447					break;
448				udelay(1);
449			}
450		}
451	}
452	/* Unlock vga access */
453	WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
454	mdelay(1);
455	WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
456}
457
458static void rv515_mc_program(struct radeon_device *rdev)
459{
460	struct rv515_mc_save save;
461
462	/* Stops all mc clients */
463	rv515_mc_stop(rdev, &save);
464
465	/* Wait for mc idle */
466	if (rv515_mc_wait_for_idle(rdev))
467		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
468	/* Write VRAM size in case we are limiting it */
469	WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
470	/* Program MC, should be a 32bits limited address space */
471	WREG32_MC(R_000001_MC_FB_LOCATION,
472			S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
473			S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
474	WREG32(R_000134_HDP_FB_LOCATION,
475		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
476	if (rdev->flags & RADEON_IS_AGP) {
477		WREG32_MC(R_000002_MC_AGP_LOCATION,
478			S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
479			S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
480		WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
481		WREG32_MC(R_000004_MC_AGP_BASE_2,
482			S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
483	} else {
484		WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
485		WREG32_MC(R_000003_MC_AGP_BASE, 0);
486		WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
487	}
488
489	rv515_mc_resume(rdev, &save);
490}
491
492void rv515_clock_startup(struct radeon_device *rdev)
493{
494	if (radeon_dynclks != -1 && radeon_dynclks)
495		radeon_atom_set_clock_gating(rdev, 1);
496	/* We need to force on some of the block */
497	WREG32_PLL(R_00000F_CP_DYN_CNTL,
498		RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
499	WREG32_PLL(R_000011_E2_DYN_CNTL,
500		RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
501	WREG32_PLL(R_000013_IDCT_DYN_CNTL,
502		RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
503}
504
505static int rv515_startup(struct radeon_device *rdev)
506{
507	int r;
508
509	rv515_mc_program(rdev);
510	/* Resume clock */
511	rv515_clock_startup(rdev);
512	/* Initialize GPU configuration (# pipes, ...) */
513	rv515_gpu_init(rdev);
514	/* Initialize GART (initialize after TTM so we can allocate
515	 * memory through TTM but finalize after TTM) */
516	if (rdev->flags & RADEON_IS_PCIE) {
517		r = rv370_pcie_gart_enable(rdev);
518		if (r)
519			return r;
520	}
521
522	/* allocate wb buffer */
523	r = radeon_wb_init(rdev);
524	if (r)
525		return r;
526
527	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
528	if (r) {
529		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
530		return r;
531	}
532
533	/* Enable IRQ */
534	if (!rdev->irq.installed) {
535		r = radeon_irq_kms_init(rdev);
536		if (r)
537			return r;
538	}
539
540	rs600_irq_set(rdev);
541	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
542	/* 1M ring buffer */
543	r = r100_cp_init(rdev, 1024 * 1024);
544	if (r) {
545		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
546		return r;
547	}
548
549	r = radeon_ib_pool_init(rdev);
550	if (r) {
551		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
552		return r;
553	}
554
555	return 0;
556}
557
558int rv515_resume(struct radeon_device *rdev)
559{
560	int r;
561
562	/* Make sur GART are not working */
563	if (rdev->flags & RADEON_IS_PCIE)
564		rv370_pcie_gart_disable(rdev);
565	/* Resume clock before doing reset */
566	rv515_clock_startup(rdev);
567	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
568	if (radeon_asic_reset(rdev)) {
569		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
570			RREG32(R_000E40_RBBM_STATUS),
571			RREG32(R_0007C0_CP_STAT));
572	}
573	/* post */
574	atom_asic_init(rdev->mode_info.atom_context);
575	/* Resume clock after posting */
576	rv515_clock_startup(rdev);
577	/* Initialize surface registers */
578	radeon_surface_init(rdev);
579
580	rdev->accel_working = true;
581	r =  rv515_startup(rdev);
582	if (r) {
583		rdev->accel_working = false;
584	}
585	return r;
586}
587
588int rv515_suspend(struct radeon_device *rdev)
589{
590	r100_cp_disable(rdev);
591	radeon_wb_disable(rdev);
592	rs600_irq_disable(rdev);
593	if (rdev->flags & RADEON_IS_PCIE)
594		rv370_pcie_gart_disable(rdev);
595	return 0;
596}
597
598void rv515_set_safe_registers(struct radeon_device *rdev)
599{
600	rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
601	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
602}
603
604void rv515_fini(struct radeon_device *rdev)
605{
606	r100_cp_fini(rdev);
607	radeon_wb_fini(rdev);
608	radeon_ib_pool_fini(rdev);
609	radeon_gem_fini(rdev);
610	rv370_pcie_gart_fini(rdev);
611	radeon_agp_fini(rdev);
612	radeon_irq_kms_fini(rdev);
613	radeon_fence_driver_fini(rdev);
614	radeon_bo_fini(rdev);
615	radeon_atombios_fini(rdev);
616	kfree(rdev->bios);
617	rdev->bios = NULL;
618}
619
620int rv515_init(struct radeon_device *rdev)
621{
622	int r;
623
624	/* Initialize scratch registers */
625	radeon_scratch_init(rdev);
626	/* Initialize surface registers */
627	radeon_surface_init(rdev);
628	/* TODO: disable VGA need to use VGA request */
629	/* restore some register to sane defaults */
630	r100_restore_sanity(rdev);
631	/* BIOS*/
632	if (!radeon_get_bios(rdev)) {
633		if (ASIC_IS_AVIVO(rdev))
634			return -EINVAL;
635	}
636	if (rdev->is_atom_bios) {
637		r = radeon_atombios_init(rdev);
638		if (r)
639			return r;
640	} else {
641		dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
642		return -EINVAL;
643	}
644	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
645	if (radeon_asic_reset(rdev)) {
646		dev_warn(rdev->dev,
647			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
648			RREG32(R_000E40_RBBM_STATUS),
649			RREG32(R_0007C0_CP_STAT));
650	}
651	/* check if cards are posted or not */
652	if (radeon_boot_test_post_card(rdev) == false)
653		return -EINVAL;
654	/* Initialize clocks */
655	radeon_get_clock_info(rdev->ddev);
656	/* initialize AGP */
657	if (rdev->flags & RADEON_IS_AGP) {
658		r = radeon_agp_init(rdev);
659		if (r) {
660			radeon_agp_disable(rdev);
661		}
662	}
663	/* initialize memory controller */
664	rv515_mc_init(rdev);
665	rv515_debugfs(rdev);
666	/* Fence driver */
667	r = radeon_fence_driver_init(rdev);
668	if (r)
669		return r;
670	/* Memory manager */
671	r = radeon_bo_init(rdev);
672	if (r)
673		return r;
674	r = rv370_pcie_gart_init(rdev);
675	if (r)
676		return r;
677	rv515_set_safe_registers(rdev);
678
679	rdev->accel_working = true;
680	r = rv515_startup(rdev);
681	if (r) {
682		/* Somethings want wront with the accel init stop accel */
683		dev_err(rdev->dev, "Disabling GPU acceleration\n");
684		r100_cp_fini(rdev);
685		radeon_wb_fini(rdev);
686		radeon_ib_pool_fini(rdev);
687		radeon_irq_kms_fini(rdev);
688		rv370_pcie_gart_fini(rdev);
689		radeon_agp_fini(rdev);
690		rdev->accel_working = false;
691	}
692	return 0;
693}
694
695void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
696{
697	int index_reg = 0x6578 + crtc->crtc_offset;
698	int data_reg = 0x657c + crtc->crtc_offset;
699
700	WREG32(0x659C + crtc->crtc_offset, 0x0);
701	WREG32(0x6594 + crtc->crtc_offset, 0x705);
702	WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
703	WREG32(0x65D8 + crtc->crtc_offset, 0x0);
704	WREG32(0x65B0 + crtc->crtc_offset, 0x0);
705	WREG32(0x65C0 + crtc->crtc_offset, 0x0);
706	WREG32(0x65D4 + crtc->crtc_offset, 0x0);
707	WREG32(index_reg, 0x0);
708	WREG32(data_reg, 0x841880A8);
709	WREG32(index_reg, 0x1);
710	WREG32(data_reg, 0x84208680);
711	WREG32(index_reg, 0x2);
712	WREG32(data_reg, 0xBFF880B0);
713	WREG32(index_reg, 0x100);
714	WREG32(data_reg, 0x83D88088);
715	WREG32(index_reg, 0x101);
716	WREG32(data_reg, 0x84608680);
717	WREG32(index_reg, 0x102);
718	WREG32(data_reg, 0xBFF080D0);
719	WREG32(index_reg, 0x200);
720	WREG32(data_reg, 0x83988068);
721	WREG32(index_reg, 0x201);
722	WREG32(data_reg, 0x84A08680);
723	WREG32(index_reg, 0x202);
724	WREG32(data_reg, 0xBFF080F8);
725	WREG32(index_reg, 0x300);
726	WREG32(data_reg, 0x83588058);
727	WREG32(index_reg, 0x301);
728	WREG32(data_reg, 0x84E08660);
729	WREG32(index_reg, 0x302);
730	WREG32(data_reg, 0xBFF88120);
731	WREG32(index_reg, 0x400);
732	WREG32(data_reg, 0x83188040);
733	WREG32(index_reg, 0x401);
734	WREG32(data_reg, 0x85008660);
735	WREG32(index_reg, 0x402);
736	WREG32(data_reg, 0xBFF88150);
737	WREG32(index_reg, 0x500);
738	WREG32(data_reg, 0x82D88030);
739	WREG32(index_reg, 0x501);
740	WREG32(data_reg, 0x85408640);
741	WREG32(index_reg, 0x502);
742	WREG32(data_reg, 0xBFF88180);
743	WREG32(index_reg, 0x600);
744	WREG32(data_reg, 0x82A08018);
745	WREG32(index_reg, 0x601);
746	WREG32(data_reg, 0x85808620);
747	WREG32(index_reg, 0x602);
748	WREG32(data_reg, 0xBFF081B8);
749	WREG32(index_reg, 0x700);
750	WREG32(data_reg, 0x82608010);
751	WREG32(index_reg, 0x701);
752	WREG32(data_reg, 0x85A08600);
753	WREG32(index_reg, 0x702);
754	WREG32(data_reg, 0x800081F0);
755	WREG32(index_reg, 0x800);
756	WREG32(data_reg, 0x8228BFF8);
757	WREG32(index_reg, 0x801);
758	WREG32(data_reg, 0x85E085E0);
759	WREG32(index_reg, 0x802);
760	WREG32(data_reg, 0xBFF88228);
761	WREG32(index_reg, 0x10000);
762	WREG32(data_reg, 0x82A8BF00);
763	WREG32(index_reg, 0x10001);
764	WREG32(data_reg, 0x82A08CC0);
765	WREG32(index_reg, 0x10002);
766	WREG32(data_reg, 0x8008BEF8);
767	WREG32(index_reg, 0x10100);
768	WREG32(data_reg, 0x81F0BF28);
769	WREG32(index_reg, 0x10101);
770	WREG32(data_reg, 0x83608CA0);
771	WREG32(index_reg, 0x10102);
772	WREG32(data_reg, 0x8018BED0);
773	WREG32(index_reg, 0x10200);
774	WREG32(data_reg, 0x8148BF38);
775	WREG32(index_reg, 0x10201);
776	WREG32(data_reg, 0x84408C80);
777	WREG32(index_reg, 0x10202);
778	WREG32(data_reg, 0x8008BEB8);
779	WREG32(index_reg, 0x10300);
780	WREG32(data_reg, 0x80B0BF78);
781	WREG32(index_reg, 0x10301);
782	WREG32(data_reg, 0x85008C20);
783	WREG32(index_reg, 0x10302);
784	WREG32(data_reg, 0x8020BEA0);
785	WREG32(index_reg, 0x10400);
786	WREG32(data_reg, 0x8028BF90);
787	WREG32(index_reg, 0x10401);
788	WREG32(data_reg, 0x85E08BC0);
789	WREG32(index_reg, 0x10402);
790	WREG32(data_reg, 0x8018BE90);
791	WREG32(index_reg, 0x10500);
792	WREG32(data_reg, 0xBFB8BFB0);
793	WREG32(index_reg, 0x10501);
794	WREG32(data_reg, 0x86C08B40);
795	WREG32(index_reg, 0x10502);
796	WREG32(data_reg, 0x8010BE90);
797	WREG32(index_reg, 0x10600);
798	WREG32(data_reg, 0xBF58BFC8);
799	WREG32(index_reg, 0x10601);
800	WREG32(data_reg, 0x87A08AA0);
801	WREG32(index_reg, 0x10602);
802	WREG32(data_reg, 0x8010BE98);
803	WREG32(index_reg, 0x10700);
804	WREG32(data_reg, 0xBF10BFF0);
805	WREG32(index_reg, 0x10701);
806	WREG32(data_reg, 0x886089E0);
807	WREG32(index_reg, 0x10702);
808	WREG32(data_reg, 0x8018BEB0);
809	WREG32(index_reg, 0x10800);
810	WREG32(data_reg, 0xBED8BFE8);
811	WREG32(index_reg, 0x10801);
812	WREG32(data_reg, 0x89408940);
813	WREG32(index_reg, 0x10802);
814	WREG32(data_reg, 0xBFE8BED8);
815	WREG32(index_reg, 0x20000);
816	WREG32(data_reg, 0x80008000);
817	WREG32(index_reg, 0x20001);
818	WREG32(data_reg, 0x90008000);
819	WREG32(index_reg, 0x20002);
820	WREG32(data_reg, 0x80008000);
821	WREG32(index_reg, 0x20003);
822	WREG32(data_reg, 0x80008000);
823	WREG32(index_reg, 0x20100);
824	WREG32(data_reg, 0x80108000);
825	WREG32(index_reg, 0x20101);
826	WREG32(data_reg, 0x8FE0BF70);
827	WREG32(index_reg, 0x20102);
828	WREG32(data_reg, 0xBFE880C0);
829	WREG32(index_reg, 0x20103);
830	WREG32(data_reg, 0x80008000);
831	WREG32(index_reg, 0x20200);
832	WREG32(data_reg, 0x8018BFF8);
833	WREG32(index_reg, 0x20201);
834	WREG32(data_reg, 0x8F80BF08);
835	WREG32(index_reg, 0x20202);
836	WREG32(data_reg, 0xBFD081A0);
837	WREG32(index_reg, 0x20203);
838	WREG32(data_reg, 0xBFF88000);
839	WREG32(index_reg, 0x20300);
840	WREG32(data_reg, 0x80188000);
841	WREG32(index_reg, 0x20301);
842	WREG32(data_reg, 0x8EE0BEC0);
843	WREG32(index_reg, 0x20302);
844	WREG32(data_reg, 0xBFB082A0);
845	WREG32(index_reg, 0x20303);
846	WREG32(data_reg, 0x80008000);
847	WREG32(index_reg, 0x20400);
848	WREG32(data_reg, 0x80188000);
849	WREG32(index_reg, 0x20401);
850	WREG32(data_reg, 0x8E00BEA0);
851	WREG32(index_reg, 0x20402);
852	WREG32(data_reg, 0xBF8883C0);
853	WREG32(index_reg, 0x20403);
854	WREG32(data_reg, 0x80008000);
855	WREG32(index_reg, 0x20500);
856	WREG32(data_reg, 0x80188000);
857	WREG32(index_reg, 0x20501);
858	WREG32(data_reg, 0x8D00BE90);
859	WREG32(index_reg, 0x20502);
860	WREG32(data_reg, 0xBF588500);
861	WREG32(index_reg, 0x20503);
862	WREG32(data_reg, 0x80008008);
863	WREG32(index_reg, 0x20600);
864	WREG32(data_reg, 0x80188000);
865	WREG32(index_reg, 0x20601);
866	WREG32(data_reg, 0x8BC0BE98);
867	WREG32(index_reg, 0x20602);
868	WREG32(data_reg, 0xBF308660);
869	WREG32(index_reg, 0x20603);
870	WREG32(data_reg, 0x80008008);
871	WREG32(index_reg, 0x20700);
872	WREG32(data_reg, 0x80108000);
873	WREG32(index_reg, 0x20701);
874	WREG32(data_reg, 0x8A80BEB0);
875	WREG32(index_reg, 0x20702);
876	WREG32(data_reg, 0xBF0087C0);
877	WREG32(index_reg, 0x20703);
878	WREG32(data_reg, 0x80008008);
879	WREG32(index_reg, 0x20800);
880	WREG32(data_reg, 0x80108000);
881	WREG32(index_reg, 0x20801);
882	WREG32(data_reg, 0x8920BED0);
883	WREG32(index_reg, 0x20802);
884	WREG32(data_reg, 0xBED08920);
885	WREG32(index_reg, 0x20803);
886	WREG32(data_reg, 0x80008010);
887	WREG32(index_reg, 0x30000);
888	WREG32(data_reg, 0x90008000);
889	WREG32(index_reg, 0x30001);
890	WREG32(data_reg, 0x80008000);
891	WREG32(index_reg, 0x30100);
892	WREG32(data_reg, 0x8FE0BF90);
893	WREG32(index_reg, 0x30101);
894	WREG32(data_reg, 0xBFF880A0);
895	WREG32(index_reg, 0x30200);
896	WREG32(data_reg, 0x8F60BF40);
897	WREG32(index_reg, 0x30201);
898	WREG32(data_reg, 0xBFE88180);
899	WREG32(index_reg, 0x30300);
900	WREG32(data_reg, 0x8EC0BF00);
901	WREG32(index_reg, 0x30301);
902	WREG32(data_reg, 0xBFC88280);
903	WREG32(index_reg, 0x30400);
904	WREG32(data_reg, 0x8DE0BEE0);
905	WREG32(index_reg, 0x30401);
906	WREG32(data_reg, 0xBFA083A0);
907	WREG32(index_reg, 0x30500);
908	WREG32(data_reg, 0x8CE0BED0);
909	WREG32(index_reg, 0x30501);
910	WREG32(data_reg, 0xBF7884E0);
911	WREG32(index_reg, 0x30600);
912	WREG32(data_reg, 0x8BA0BED8);
913	WREG32(index_reg, 0x30601);
914	WREG32(data_reg, 0xBF508640);
915	WREG32(index_reg, 0x30700);
916	WREG32(data_reg, 0x8A60BEE8);
917	WREG32(index_reg, 0x30701);
918	WREG32(data_reg, 0xBF2087A0);
919	WREG32(index_reg, 0x30800);
920	WREG32(data_reg, 0x8900BF00);
921	WREG32(index_reg, 0x30801);
922	WREG32(data_reg, 0xBF008900);
923}
924
925struct rv515_watermark {
926	u32        lb_request_fifo_depth;
927	fixed20_12 num_line_pair;
928	fixed20_12 estimated_width;
929	fixed20_12 worst_case_latency;
930	fixed20_12 consumption_rate;
931	fixed20_12 active_time;
932	fixed20_12 dbpp;
933	fixed20_12 priority_mark_max;
934	fixed20_12 priority_mark;
935	fixed20_12 sclk;
936};
937
938static void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
939				  struct radeon_crtc *crtc,
940				  struct rv515_watermark *wm)
941{
942	struct drm_display_mode *mode = &crtc->base.mode;
943	fixed20_12 a, b, c;
944	fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
945	fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
946
947	if (!crtc->base.enabled) {
948		/* FIXME: wouldn't it better to set priority mark to maximum */
949		wm->lb_request_fifo_depth = 4;
950		return;
951	}
952
953	if (crtc->vsc.full > dfixed_const(2))
954		wm->num_line_pair.full = dfixed_const(2);
955	else
956		wm->num_line_pair.full = dfixed_const(1);
957
958	b.full = dfixed_const(mode->crtc_hdisplay);
959	c.full = dfixed_const(256);
960	a.full = dfixed_div(b, c);
961	request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
962	request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
963	if (a.full < dfixed_const(4)) {
964		wm->lb_request_fifo_depth = 4;
965	} else {
966		wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
967	}
968
969	/* Determine consumption rate
970	 *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
971	 *  vtaps = number of vertical taps,
972	 *  vsc = vertical scaling ratio, defined as source/destination
973	 *  hsc = horizontal scaling ration, defined as source/destination
974	 */
975	a.full = dfixed_const(mode->clock);
976	b.full = dfixed_const(1000);
977	a.full = dfixed_div(a, b);
978	pclk.full = dfixed_div(b, a);
979	if (crtc->rmx_type != RMX_OFF) {
980		b.full = dfixed_const(2);
981		if (crtc->vsc.full > b.full)
982			b.full = crtc->vsc.full;
983		b.full = dfixed_mul(b, crtc->hsc);
984		c.full = dfixed_const(2);
985		b.full = dfixed_div(b, c);
986		consumption_time.full = dfixed_div(pclk, b);
987	} else {
988		consumption_time.full = pclk.full;
989	}
990	a.full = dfixed_const(1);
991	wm->consumption_rate.full = dfixed_div(a, consumption_time);
992
993
994	/* Determine line time
995	 *  LineTime = total time for one line of displayhtotal
996	 *  LineTime = total number of horizontal pixels
997	 *  pclk = pixel clock period(ns)
998	 */
999	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1000	line_time.full = dfixed_mul(a, pclk);
1001
1002	/* Determine active time
1003	 *  ActiveTime = time of active region of display within one line,
1004	 *  hactive = total number of horizontal active pixels
1005	 *  htotal = total number of horizontal pixels
1006	 */
1007	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1008	b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1009	wm->active_time.full = dfixed_mul(line_time, b);
1010	wm->active_time.full = dfixed_div(wm->active_time, a);
1011
1012	/* Determine chunk time
1013	 * ChunkTime = the time it takes the DCP to send one chunk of data
1014	 * to the LB which consists of pipeline delay and inter chunk gap
1015	 * sclk = system clock(Mhz)
1016	 */
1017	a.full = dfixed_const(600 * 1000);
1018	chunk_time.full = dfixed_div(a, rdev->pm.sclk);
1019	read_delay_latency.full = dfixed_const(1000);
1020
1021	/* Determine the worst case latency
1022	 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
1023	 * WorstCaseLatency = worst case time from urgent to when the MC starts
1024	 *                    to return data
1025	 * READ_DELAY_IDLE_MAX = constant of 1us
1026	 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
1027	 *             which consists of pipeline delay and inter chunk gap
1028	 */
1029	if (dfixed_trunc(wm->num_line_pair) > 1) {
1030		a.full = dfixed_const(3);
1031		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
1032		wm->worst_case_latency.full += read_delay_latency.full;
1033	} else {
1034		wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
1035	}
1036
1037	/* Determine the tolerable latency
1038	 * TolerableLatency = Any given request has only 1 line time
1039	 *                    for the data to be returned
1040	 * LBRequestFifoDepth = Number of chunk requests the LB can
1041	 *                      put into the request FIFO for a display
1042	 *  LineTime = total time for one line of display
1043	 *  ChunkTime = the time it takes the DCP to send one chunk
1044	 *              of data to the LB which consists of
1045	 *  pipeline delay and inter chunk gap
1046	 */
1047	if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
1048		tolerable_latency.full = line_time.full;
1049	} else {
1050		tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
1051		tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
1052		tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
1053		tolerable_latency.full = line_time.full - tolerable_latency.full;
1054	}
1055	/* We assume worst case 32bits (4 bytes) */
1056	wm->dbpp.full = dfixed_const(2 * 16);
1057
1058	/* Determine the maximum priority mark
1059	 *  width = viewport width in pixels
1060	 */
1061	a.full = dfixed_const(16);
1062	wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1063	wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
1064	wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
1065
1066	/* Determine estimated width */
1067	estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
1068	estimated_width.full = dfixed_div(estimated_width, consumption_time);
1069	if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
1070		wm->priority_mark.full = wm->priority_mark_max.full;
1071	} else {
1072		a.full = dfixed_const(16);
1073		wm->priority_mark.full = dfixed_div(estimated_width, a);
1074		wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
1075		wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
1076	}
1077}
1078
1079void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
1080{
1081	struct drm_display_mode *mode0 = NULL;
1082	struct drm_display_mode *mode1 = NULL;
1083	struct rv515_watermark wm0;
1084	struct rv515_watermark wm1;
1085	u32 tmp;
1086	u32 d1mode_priority_a_cnt = MODE_PRIORITY_OFF;
1087	u32 d2mode_priority_a_cnt = MODE_PRIORITY_OFF;
1088	fixed20_12 priority_mark02, priority_mark12, fill_rate;
1089	fixed20_12 a, b;
1090
1091	if (rdev->mode_info.crtcs[0]->base.enabled)
1092		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1093	if (rdev->mode_info.crtcs[1]->base.enabled)
1094		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1095	rs690_line_buffer_adjust(rdev, mode0, mode1);
1096
1097	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0);
1098	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1);
1099
1100	tmp = wm0.lb_request_fifo_depth;
1101	tmp |= wm1.lb_request_fifo_depth << 16;
1102	WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
1103
1104	if (mode0 && mode1) {
1105		if (dfixed_trunc(wm0.dbpp) > 64)
1106			a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
1107		else
1108			a.full = wm0.num_line_pair.full;
1109		if (dfixed_trunc(wm1.dbpp) > 64)
1110			b.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
1111		else
1112			b.full = wm1.num_line_pair.full;
1113		a.full += b.full;
1114		fill_rate.full = dfixed_div(wm0.sclk, a);
1115		if (wm0.consumption_rate.full > fill_rate.full) {
1116			b.full = wm0.consumption_rate.full - fill_rate.full;
1117			b.full = dfixed_mul(b, wm0.active_time);
1118			a.full = dfixed_const(16);
1119			b.full = dfixed_div(b, a);
1120			a.full = dfixed_mul(wm0.worst_case_latency,
1121						wm0.consumption_rate);
1122			priority_mark02.full = a.full + b.full;
1123		} else {
1124			a.full = dfixed_mul(wm0.worst_case_latency,
1125						wm0.consumption_rate);
1126			b.full = dfixed_const(16 * 1000);
1127			priority_mark02.full = dfixed_div(a, b);
1128		}
1129		if (wm1.consumption_rate.full > fill_rate.full) {
1130			b.full = wm1.consumption_rate.full - fill_rate.full;
1131			b.full = dfixed_mul(b, wm1.active_time);
1132			a.full = dfixed_const(16);
1133			b.full = dfixed_div(b, a);
1134			a.full = dfixed_mul(wm1.worst_case_latency,
1135						wm1.consumption_rate);
1136			priority_mark12.full = a.full + b.full;
1137		} else {
1138			a.full = dfixed_mul(wm1.worst_case_latency,
1139						wm1.consumption_rate);
1140			b.full = dfixed_const(16 * 1000);
1141			priority_mark12.full = dfixed_div(a, b);
1142		}
1143		if (wm0.priority_mark.full > priority_mark02.full)
1144			priority_mark02.full = wm0.priority_mark.full;
1145		if (dfixed_trunc(priority_mark02) < 0)
1146			priority_mark02.full = 0;
1147		if (wm0.priority_mark_max.full > priority_mark02.full)
1148			priority_mark02.full = wm0.priority_mark_max.full;
1149		if (wm1.priority_mark.full > priority_mark12.full)
1150			priority_mark12.full = wm1.priority_mark.full;
1151		if (dfixed_trunc(priority_mark12) < 0)
1152			priority_mark12.full = 0;
1153		if (wm1.priority_mark_max.full > priority_mark12.full)
1154			priority_mark12.full = wm1.priority_mark_max.full;
1155		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1156		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1157		if (rdev->disp_priority == 2) {
1158			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1159			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1160		}
1161	} else if (mode0) {
1162		if (dfixed_trunc(wm0.dbpp) > 64)
1163			a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
1164		else
1165			a.full = wm0.num_line_pair.full;
1166		fill_rate.full = dfixed_div(wm0.sclk, a);
1167		if (wm0.consumption_rate.full > fill_rate.full) {
1168			b.full = wm0.consumption_rate.full - fill_rate.full;
1169			b.full = dfixed_mul(b, wm0.active_time);
1170			a.full = dfixed_const(16);
1171			b.full = dfixed_div(b, a);
1172			a.full = dfixed_mul(wm0.worst_case_latency,
1173						wm0.consumption_rate);
1174			priority_mark02.full = a.full + b.full;
1175		} else {
1176			a.full = dfixed_mul(wm0.worst_case_latency,
1177						wm0.consumption_rate);
1178			b.full = dfixed_const(16);
1179			priority_mark02.full = dfixed_div(a, b);
1180		}
1181		if (wm0.priority_mark.full > priority_mark02.full)
1182			priority_mark02.full = wm0.priority_mark.full;
1183		if (dfixed_trunc(priority_mark02) < 0)
1184			priority_mark02.full = 0;
1185		if (wm0.priority_mark_max.full > priority_mark02.full)
1186			priority_mark02.full = wm0.priority_mark_max.full;
1187		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1188		if (rdev->disp_priority == 2)
1189			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1190	} else if (mode1) {
1191		if (dfixed_trunc(wm1.dbpp) > 64)
1192			a.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
1193		else
1194			a.full = wm1.num_line_pair.full;
1195		fill_rate.full = dfixed_div(wm1.sclk, a);
1196		if (wm1.consumption_rate.full > fill_rate.full) {
1197			b.full = wm1.consumption_rate.full - fill_rate.full;
1198			b.full = dfixed_mul(b, wm1.active_time);
1199			a.full = dfixed_const(16);
1200			b.full = dfixed_div(b, a);
1201			a.full = dfixed_mul(wm1.worst_case_latency,
1202						wm1.consumption_rate);
1203			priority_mark12.full = a.full + b.full;
1204		} else {
1205			a.full = dfixed_mul(wm1.worst_case_latency,
1206						wm1.consumption_rate);
1207			b.full = dfixed_const(16 * 1000);
1208			priority_mark12.full = dfixed_div(a, b);
1209		}
1210		if (wm1.priority_mark.full > priority_mark12.full)
1211			priority_mark12.full = wm1.priority_mark.full;
1212		if (dfixed_trunc(priority_mark12) < 0)
1213			priority_mark12.full = 0;
1214		if (wm1.priority_mark_max.full > priority_mark12.full)
1215			priority_mark12.full = wm1.priority_mark_max.full;
1216		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1217		if (rdev->disp_priority == 2)
1218			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1219	}
1220
1221	WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1222	WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
1223	WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1224	WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
1225}
1226
1227void rv515_bandwidth_update(struct radeon_device *rdev)
1228{
1229	uint32_t tmp;
1230	struct drm_display_mode *mode0 = NULL;
1231	struct drm_display_mode *mode1 = NULL;
1232
1233	radeon_update_display_priority(rdev);
1234
1235	if (rdev->mode_info.crtcs[0]->base.enabled)
1236		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1237	if (rdev->mode_info.crtcs[1]->base.enabled)
1238		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1239	/*
1240	 * Set display0/1 priority up in the memory controller for
1241	 * modes if the user specifies HIGH for displaypriority
1242	 * option.
1243	 */
1244	if ((rdev->disp_priority == 2) &&
1245	    (rdev->family == CHIP_RV515)) {
1246		tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1247		tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1248		tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1249		if (mode1)
1250			tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1251		if (mode0)
1252			tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1253		WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1254	}
1255	rv515_bandwidth_avivo_update(rdev);
1256}
1257