rv515.c revision 254885
1/*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 *          Alex Deucher
26 *          Jerome Glisse
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: head/sys/dev/drm2/radeon/rv515.c 254885 2013-08-25 19:37:15Z dumbbell $");
31
32#include <dev/drm2/drmP.h>
33#include "rv515d.h"
34#include "radeon.h"
35#include "radeon_asic.h"
36#include "atom.h"
37#include "rv515_reg_safe.h"
38
39/* This files gather functions specifics to: rv515 */
40static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
41static int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
42static void rv515_gpu_init(struct radeon_device *rdev);
43
44static const u32 crtc_offsets[2] =
45{
46	0,
47	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
48};
49
50void rv515_debugfs(struct radeon_device *rdev)
51{
52	if (r100_debugfs_rbbm_init(rdev)) {
53		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
54	}
55	if (rv515_debugfs_pipes_info_init(rdev)) {
56		DRM_ERROR("Failed to register debugfs file for pipes !\n");
57	}
58	if (rv515_debugfs_ga_info_init(rdev)) {
59		DRM_ERROR("Failed to register debugfs file for pipes !\n");
60	}
61}
62
63void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
64{
65	int r;
66
67	r = radeon_ring_lock(rdev, ring, 64);
68	if (r) {
69		return;
70	}
71	radeon_ring_write(ring, PACKET0(ISYNC_CNTL, 0));
72	radeon_ring_write(ring,
73			  ISYNC_ANY2D_IDLE3D |
74			  ISYNC_ANY3D_IDLE2D |
75			  ISYNC_WAIT_IDLEGUI |
76			  ISYNC_CPSCRATCH_IDLEGUI);
77	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
78	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
79	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
80	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
81	radeon_ring_write(ring, PACKET0(GB_SELECT, 0));
82	radeon_ring_write(ring, 0);
83	radeon_ring_write(ring, PACKET0(GB_ENABLE, 0));
84	radeon_ring_write(ring, 0);
85	radeon_ring_write(ring, PACKET0(R500_SU_REG_DEST, 0));
86	radeon_ring_write(ring, (1 << rdev->num_gb_pipes) - 1);
87	radeon_ring_write(ring, PACKET0(VAP_INDEX_OFFSET, 0));
88	radeon_ring_write(ring, 0);
89	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
90	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
91	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
92	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
93	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
94	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
95	radeon_ring_write(ring, PACKET0(GB_AA_CONFIG, 0));
96	radeon_ring_write(ring, 0);
97	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
98	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
99	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
100	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
101	radeon_ring_write(ring, PACKET0(GB_MSPOS0, 0));
102	radeon_ring_write(ring,
103			  ((6 << MS_X0_SHIFT) |
104			   (6 << MS_Y0_SHIFT) |
105			   (6 << MS_X1_SHIFT) |
106			   (6 << MS_Y1_SHIFT) |
107			   (6 << MS_X2_SHIFT) |
108			   (6 << MS_Y2_SHIFT) |
109			   (6 << MSBD0_Y_SHIFT) |
110			   (6 << MSBD0_X_SHIFT)));
111	radeon_ring_write(ring, PACKET0(GB_MSPOS1, 0));
112	radeon_ring_write(ring,
113			  ((6 << MS_X3_SHIFT) |
114			   (6 << MS_Y3_SHIFT) |
115			   (6 << MS_X4_SHIFT) |
116			   (6 << MS_Y4_SHIFT) |
117			   (6 << MS_X5_SHIFT) |
118			   (6 << MS_Y5_SHIFT) |
119			   (6 << MSBD1_SHIFT)));
120	radeon_ring_write(ring, PACKET0(GA_ENHANCE, 0));
121	radeon_ring_write(ring, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
122	radeon_ring_write(ring, PACKET0(GA_POLY_MODE, 0));
123	radeon_ring_write(ring, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
124	radeon_ring_write(ring, PACKET0(GA_ROUND_MODE, 0));
125	radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
126	radeon_ring_write(ring, PACKET0(0x20C8, 0));
127	radeon_ring_write(ring, 0);
128	radeon_ring_unlock_commit(rdev, ring);
129}
130
131int rv515_mc_wait_for_idle(struct radeon_device *rdev)
132{
133	unsigned i;
134	uint32_t tmp;
135
136	for (i = 0; i < rdev->usec_timeout; i++) {
137		/* read MC_STATUS */
138		tmp = RREG32_MC(MC_STATUS);
139		if (tmp & MC_STATUS_IDLE) {
140			return 0;
141		}
142		DRM_UDELAY(1);
143	}
144	return -1;
145}
146
147void rv515_vga_render_disable(struct radeon_device *rdev)
148{
149	WREG32(R_000300_VGA_RENDER_CONTROL,
150		RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
151}
152
153static void rv515_gpu_init(struct radeon_device *rdev)
154{
155	unsigned pipe_select_current, gb_pipe_select, tmp;
156
157	if (r100_gui_wait_for_idle(rdev)) {
158		DRM_ERROR("Failed to wait GUI idle while "
159		       "resetting GPU. Bad things might happen.\n");
160	}
161	rv515_vga_render_disable(rdev);
162	r420_pipes_init(rdev);
163	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
164	tmp = RREG32(R300_DST_PIPE_CONFIG);
165	pipe_select_current = (tmp >> 2) & 3;
166	tmp = (1 << pipe_select_current) |
167	      (((gb_pipe_select >> 8) & 0xF) << 4);
168	WREG32_PLL(0x000D, tmp);
169	if (r100_gui_wait_for_idle(rdev)) {
170		DRM_ERROR("Failed to wait GUI idle while "
171		       "resetting GPU. Bad things might happen.\n");
172	}
173	if (rv515_mc_wait_for_idle(rdev)) {
174		DRM_ERROR("Failed to wait MC idle while "
175		       "programming pipes. Bad things might happen.\n");
176	}
177}
178
179static void rv515_vram_get_type(struct radeon_device *rdev)
180{
181	uint32_t tmp;
182
183	rdev->mc.vram_width = 128;
184	rdev->mc.vram_is_ddr = true;
185	tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
186	switch (tmp) {
187	case 0:
188		rdev->mc.vram_width = 64;
189		break;
190	case 1:
191		rdev->mc.vram_width = 128;
192		break;
193	default:
194		rdev->mc.vram_width = 128;
195		break;
196	}
197}
198
199static void rv515_mc_init(struct radeon_device *rdev)
200{
201
202	rv515_vram_get_type(rdev);
203	r100_vram_init_sizes(rdev);
204	radeon_vram_location(rdev, &rdev->mc, 0);
205	rdev->mc.gtt_base_align = 0;
206	if (!(rdev->flags & RADEON_IS_AGP))
207		radeon_gtt_location(rdev, &rdev->mc);
208	radeon_update_bandwidth_info(rdev);
209}
210
211uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
212{
213	uint32_t r;
214
215	WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
216	r = RREG32(MC_IND_DATA);
217	WREG32(MC_IND_INDEX, 0);
218	return r;
219}
220
221void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
222{
223	WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
224	WREG32(MC_IND_DATA, (v));
225	WREG32(MC_IND_INDEX, 0);
226}
227
228#if defined(CONFIG_DEBUG_FS)
229static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
230{
231	struct drm_info_node *node = (struct drm_info_node *) m->private;
232	struct drm_device *dev = node->minor->dev;
233	struct radeon_device *rdev = dev->dev_private;
234	uint32_t tmp;
235
236	tmp = RREG32(GB_PIPE_SELECT);
237	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
238	tmp = RREG32(SU_REG_DEST);
239	seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
240	tmp = RREG32(GB_TILE_CONFIG);
241	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
242	tmp = RREG32(DST_PIPE_CONFIG);
243	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
244	return 0;
245}
246
247static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
248{
249	struct drm_info_node *node = (struct drm_info_node *) m->private;
250	struct drm_device *dev = node->minor->dev;
251	struct radeon_device *rdev = dev->dev_private;
252	uint32_t tmp;
253
254	tmp = RREG32(0x2140);
255	seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
256	radeon_asic_reset(rdev);
257	tmp = RREG32(0x425C);
258	seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
259	return 0;
260}
261
262static struct drm_info_list rv515_pipes_info_list[] = {
263	{"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
264};
265
266static struct drm_info_list rv515_ga_info_list[] = {
267	{"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
268};
269#endif
270
271static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
272{
273#if defined(CONFIG_DEBUG_FS)
274	return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
275#else
276	return 0;
277#endif
278}
279
280static int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
281{
282#if defined(CONFIG_DEBUG_FS)
283	return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
284#else
285	return 0;
286#endif
287}
288
289void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
290{
291	u32 crtc_enabled, tmp, frame_count, blackout;
292	int i, j;
293
294	save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
295	save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
296
297	/* disable VGA render */
298	WREG32(R_000300_VGA_RENDER_CONTROL, 0);
299	/* blank the display controllers */
300	for (i = 0; i < rdev->num_crtc; i++) {
301		crtc_enabled = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN;
302		if (crtc_enabled) {
303			save->crtc_enabled[i] = true;
304			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
305			if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) {
306				radeon_wait_for_vblank(rdev, i);
307				tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
308				WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
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				DRM_UDELAY(1);
316			}
317		} else {
318			save->crtc_enabled[i] = false;
319		}
320	}
321
322	radeon_mc_wait_for_idle(rdev);
323
324	if (rdev->family >= CHIP_R600) {
325		if (rdev->family >= CHIP_RV770)
326			blackout = RREG32(R700_MC_CITF_CNTL);
327		else
328			blackout = RREG32(R600_CITF_CNTL);
329		if ((blackout & R600_BLACKOUT_MASK) != R600_BLACKOUT_MASK) {
330			/* Block CPU access */
331			WREG32(R600_BIF_FB_EN, 0);
332			/* blackout the MC */
333			blackout |= R600_BLACKOUT_MASK;
334			if (rdev->family >= CHIP_RV770)
335				WREG32(R700_MC_CITF_CNTL, blackout);
336			else
337				WREG32(R600_CITF_CNTL, blackout);
338		}
339	}
340	/* wait for the MC to settle */
341	DRM_UDELAY(100);
342}
343
344void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
345{
346	u32 tmp, frame_count;
347	int i, j;
348
349	/* update crtc base addresses */
350	for (i = 0; i < rdev->num_crtc; i++) {
351		if (rdev->family >= CHIP_RV770) {
352			if (i == 1) {
353				WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
354				       upper_32_bits(rdev->mc.vram_start));
355				WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
356				       upper_32_bits(rdev->mc.vram_start));
357			} else {
358				WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
359				       upper_32_bits(rdev->mc.vram_start));
360				WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
361				       upper_32_bits(rdev->mc.vram_start));
362			}
363		}
364		WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
365		       (u32)rdev->mc.vram_start);
366		WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
367		       (u32)rdev->mc.vram_start);
368	}
369	WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
370
371	if (rdev->family >= CHIP_R600) {
372		/* unblackout the MC */
373		if (rdev->family >= CHIP_RV770)
374			tmp = RREG32(R700_MC_CITF_CNTL);
375		else
376			tmp = RREG32(R600_CITF_CNTL);
377		tmp &= ~R600_BLACKOUT_MASK;
378		if (rdev->family >= CHIP_RV770)
379			WREG32(R700_MC_CITF_CNTL, tmp);
380		else
381			WREG32(R600_CITF_CNTL, tmp);
382		/* allow CPU access */
383		WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN);
384	}
385
386	for (i = 0; i < rdev->num_crtc; i++) {
387		if (save->crtc_enabled[i]) {
388			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
389			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
390			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
391			/* wait for the next frame */
392			frame_count = radeon_get_vblank_counter(rdev, i);
393			for (j = 0; j < rdev->usec_timeout; j++) {
394				if (radeon_get_vblank_counter(rdev, i) != frame_count)
395					break;
396				DRM_UDELAY(1);
397			}
398		}
399	}
400	/* Unlock vga access */
401	WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
402	DRM_MDELAY(1);
403	WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
404}
405
406static void rv515_mc_program(struct radeon_device *rdev)
407{
408	struct rv515_mc_save save;
409
410	/* Stops all mc clients */
411	rv515_mc_stop(rdev, &save);
412
413	/* Wait for mc idle */
414	if (rv515_mc_wait_for_idle(rdev))
415		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
416	/* Write VRAM size in case we are limiting it */
417	WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
418	/* Program MC, should be a 32bits limited address space */
419	WREG32_MC(R_000001_MC_FB_LOCATION,
420			S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
421			S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
422	WREG32(R_000134_HDP_FB_LOCATION,
423		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
424	if (rdev->flags & RADEON_IS_AGP) {
425		WREG32_MC(R_000002_MC_AGP_LOCATION,
426			S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
427			S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
428		WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
429		WREG32_MC(R_000004_MC_AGP_BASE_2,
430			S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
431	} else {
432		WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
433		WREG32_MC(R_000003_MC_AGP_BASE, 0);
434		WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
435	}
436
437	rv515_mc_resume(rdev, &save);
438}
439
440void rv515_clock_startup(struct radeon_device *rdev)
441{
442	if (radeon_dynclks != -1 && radeon_dynclks)
443		radeon_atom_set_clock_gating(rdev, 1);
444	/* We need to force on some of the block */
445	WREG32_PLL(R_00000F_CP_DYN_CNTL,
446		RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
447	WREG32_PLL(R_000011_E2_DYN_CNTL,
448		RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
449	WREG32_PLL(R_000013_IDCT_DYN_CNTL,
450		RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
451}
452
453static int rv515_startup(struct radeon_device *rdev)
454{
455	int r;
456
457	rv515_mc_program(rdev);
458	/* Resume clock */
459	rv515_clock_startup(rdev);
460	/* Initialize GPU configuration (# pipes, ...) */
461	rv515_gpu_init(rdev);
462	/* Initialize GART (initialize after TTM so we can allocate
463	 * memory through TTM but finalize after TTM) */
464	if (rdev->flags & RADEON_IS_PCIE) {
465		r = rv370_pcie_gart_enable(rdev);
466		if (r)
467			return r;
468	}
469
470	/* allocate wb buffer */
471	r = radeon_wb_init(rdev);
472	if (r)
473		return r;
474
475	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
476	if (r) {
477		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
478		return r;
479	}
480
481	/* Enable IRQ */
482	rs600_irq_set(rdev);
483	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
484	/* 1M ring buffer */
485	r = r100_cp_init(rdev, 1024 * 1024);
486	if (r) {
487		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
488		return r;
489	}
490
491	r = radeon_ib_pool_init(rdev);
492	if (r) {
493		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
494		return r;
495	}
496
497	return 0;
498}
499
500int rv515_resume(struct radeon_device *rdev)
501{
502	int r;
503
504	/* Make sur GART are not working */
505	if (rdev->flags & RADEON_IS_PCIE)
506		rv370_pcie_gart_disable(rdev);
507	/* Resume clock before doing reset */
508	rv515_clock_startup(rdev);
509	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
510	if (radeon_asic_reset(rdev)) {
511		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
512			RREG32(R_000E40_RBBM_STATUS),
513			RREG32(R_0007C0_CP_STAT));
514	}
515	/* post */
516	atom_asic_init(rdev->mode_info.atom_context);
517	/* Resume clock after posting */
518	rv515_clock_startup(rdev);
519	/* Initialize surface registers */
520	radeon_surface_init(rdev);
521
522	rdev->accel_working = true;
523	r =  rv515_startup(rdev);
524	if (r) {
525		rdev->accel_working = false;
526	}
527	return r;
528}
529
530int rv515_suspend(struct radeon_device *rdev)
531{
532	r100_cp_disable(rdev);
533	radeon_wb_disable(rdev);
534	rs600_irq_disable(rdev);
535	if (rdev->flags & RADEON_IS_PCIE)
536		rv370_pcie_gart_disable(rdev);
537	return 0;
538}
539
540void rv515_set_safe_registers(struct radeon_device *rdev)
541{
542	rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
543	rdev->config.r300.reg_safe_bm_size = DRM_ARRAY_SIZE(rv515_reg_safe_bm);
544}
545
546void rv515_fini(struct radeon_device *rdev)
547{
548	r100_cp_fini(rdev);
549	radeon_wb_fini(rdev);
550	radeon_ib_pool_fini(rdev);
551	radeon_gem_fini(rdev);
552	rv370_pcie_gart_fini(rdev);
553	radeon_agp_fini(rdev);
554	radeon_irq_kms_fini(rdev);
555	radeon_fence_driver_fini(rdev);
556	radeon_bo_fini(rdev);
557	radeon_atombios_fini(rdev);
558	free(rdev->bios, DRM_MEM_DRIVER);
559	rdev->bios = NULL;
560}
561
562int rv515_init(struct radeon_device *rdev)
563{
564	int r;
565
566	/* Initialize scratch registers */
567	radeon_scratch_init(rdev);
568	/* Initialize surface registers */
569	radeon_surface_init(rdev);
570	/* TODO: disable VGA need to use VGA request */
571	/* restore some register to sane defaults */
572	r100_restore_sanity(rdev);
573	/* BIOS*/
574	if (!radeon_get_bios(rdev)) {
575		if (ASIC_IS_AVIVO(rdev))
576			return -EINVAL;
577	}
578	if (rdev->is_atom_bios) {
579		r = radeon_atombios_init(rdev);
580		if (r)
581			return r;
582	} else {
583		dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
584		return -EINVAL;
585	}
586	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
587	if (radeon_asic_reset(rdev)) {
588		dev_warn(rdev->dev,
589			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
590			RREG32(R_000E40_RBBM_STATUS),
591			RREG32(R_0007C0_CP_STAT));
592	}
593	/* check if cards are posted or not */
594	if (radeon_boot_test_post_card(rdev) == false)
595		return -EINVAL;
596	/* Initialize clocks */
597	radeon_get_clock_info(rdev->ddev);
598	/* initialize AGP */
599	if (rdev->flags & RADEON_IS_AGP) {
600		r = radeon_agp_init(rdev);
601		if (r) {
602			radeon_agp_disable(rdev);
603		}
604	}
605	/* initialize memory controller */
606	rv515_mc_init(rdev);
607	rv515_debugfs(rdev);
608	/* Fence driver */
609	r = radeon_fence_driver_init(rdev);
610	if (r)
611		return r;
612	r = radeon_irq_kms_init(rdev);
613	if (r)
614		return r;
615	/* Memory manager */
616	r = radeon_bo_init(rdev);
617	if (r)
618		return r;
619	r = rv370_pcie_gart_init(rdev);
620	if (r)
621		return r;
622	rv515_set_safe_registers(rdev);
623
624	rdev->accel_working = true;
625	r = rv515_startup(rdev);
626	if (r) {
627		/* Somethings want wront with the accel init stop accel */
628		dev_err(rdev->dev, "Disabling GPU acceleration\n");
629		r100_cp_fini(rdev);
630		radeon_wb_fini(rdev);
631		radeon_ib_pool_fini(rdev);
632		radeon_irq_kms_fini(rdev);
633		rv370_pcie_gart_fini(rdev);
634		radeon_agp_fini(rdev);
635		rdev->accel_working = false;
636	}
637	return 0;
638}
639
640void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
641{
642	int index_reg = 0x6578 + crtc->crtc_offset;
643	int data_reg = 0x657c + crtc->crtc_offset;
644
645	WREG32(0x659C + crtc->crtc_offset, 0x0);
646	WREG32(0x6594 + crtc->crtc_offset, 0x705);
647	WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
648	WREG32(0x65D8 + crtc->crtc_offset, 0x0);
649	WREG32(0x65B0 + crtc->crtc_offset, 0x0);
650	WREG32(0x65C0 + crtc->crtc_offset, 0x0);
651	WREG32(0x65D4 + crtc->crtc_offset, 0x0);
652	WREG32(index_reg, 0x0);
653	WREG32(data_reg, 0x841880A8);
654	WREG32(index_reg, 0x1);
655	WREG32(data_reg, 0x84208680);
656	WREG32(index_reg, 0x2);
657	WREG32(data_reg, 0xBFF880B0);
658	WREG32(index_reg, 0x100);
659	WREG32(data_reg, 0x83D88088);
660	WREG32(index_reg, 0x101);
661	WREG32(data_reg, 0x84608680);
662	WREG32(index_reg, 0x102);
663	WREG32(data_reg, 0xBFF080D0);
664	WREG32(index_reg, 0x200);
665	WREG32(data_reg, 0x83988068);
666	WREG32(index_reg, 0x201);
667	WREG32(data_reg, 0x84A08680);
668	WREG32(index_reg, 0x202);
669	WREG32(data_reg, 0xBFF080F8);
670	WREG32(index_reg, 0x300);
671	WREG32(data_reg, 0x83588058);
672	WREG32(index_reg, 0x301);
673	WREG32(data_reg, 0x84E08660);
674	WREG32(index_reg, 0x302);
675	WREG32(data_reg, 0xBFF88120);
676	WREG32(index_reg, 0x400);
677	WREG32(data_reg, 0x83188040);
678	WREG32(index_reg, 0x401);
679	WREG32(data_reg, 0x85008660);
680	WREG32(index_reg, 0x402);
681	WREG32(data_reg, 0xBFF88150);
682	WREG32(index_reg, 0x500);
683	WREG32(data_reg, 0x82D88030);
684	WREG32(index_reg, 0x501);
685	WREG32(data_reg, 0x85408640);
686	WREG32(index_reg, 0x502);
687	WREG32(data_reg, 0xBFF88180);
688	WREG32(index_reg, 0x600);
689	WREG32(data_reg, 0x82A08018);
690	WREG32(index_reg, 0x601);
691	WREG32(data_reg, 0x85808620);
692	WREG32(index_reg, 0x602);
693	WREG32(data_reg, 0xBFF081B8);
694	WREG32(index_reg, 0x700);
695	WREG32(data_reg, 0x82608010);
696	WREG32(index_reg, 0x701);
697	WREG32(data_reg, 0x85A08600);
698	WREG32(index_reg, 0x702);
699	WREG32(data_reg, 0x800081F0);
700	WREG32(index_reg, 0x800);
701	WREG32(data_reg, 0x8228BFF8);
702	WREG32(index_reg, 0x801);
703	WREG32(data_reg, 0x85E085E0);
704	WREG32(index_reg, 0x802);
705	WREG32(data_reg, 0xBFF88228);
706	WREG32(index_reg, 0x10000);
707	WREG32(data_reg, 0x82A8BF00);
708	WREG32(index_reg, 0x10001);
709	WREG32(data_reg, 0x82A08CC0);
710	WREG32(index_reg, 0x10002);
711	WREG32(data_reg, 0x8008BEF8);
712	WREG32(index_reg, 0x10100);
713	WREG32(data_reg, 0x81F0BF28);
714	WREG32(index_reg, 0x10101);
715	WREG32(data_reg, 0x83608CA0);
716	WREG32(index_reg, 0x10102);
717	WREG32(data_reg, 0x8018BED0);
718	WREG32(index_reg, 0x10200);
719	WREG32(data_reg, 0x8148BF38);
720	WREG32(index_reg, 0x10201);
721	WREG32(data_reg, 0x84408C80);
722	WREG32(index_reg, 0x10202);
723	WREG32(data_reg, 0x8008BEB8);
724	WREG32(index_reg, 0x10300);
725	WREG32(data_reg, 0x80B0BF78);
726	WREG32(index_reg, 0x10301);
727	WREG32(data_reg, 0x85008C20);
728	WREG32(index_reg, 0x10302);
729	WREG32(data_reg, 0x8020BEA0);
730	WREG32(index_reg, 0x10400);
731	WREG32(data_reg, 0x8028BF90);
732	WREG32(index_reg, 0x10401);
733	WREG32(data_reg, 0x85E08BC0);
734	WREG32(index_reg, 0x10402);
735	WREG32(data_reg, 0x8018BE90);
736	WREG32(index_reg, 0x10500);
737	WREG32(data_reg, 0xBFB8BFB0);
738	WREG32(index_reg, 0x10501);
739	WREG32(data_reg, 0x86C08B40);
740	WREG32(index_reg, 0x10502);
741	WREG32(data_reg, 0x8010BE90);
742	WREG32(index_reg, 0x10600);
743	WREG32(data_reg, 0xBF58BFC8);
744	WREG32(index_reg, 0x10601);
745	WREG32(data_reg, 0x87A08AA0);
746	WREG32(index_reg, 0x10602);
747	WREG32(data_reg, 0x8010BE98);
748	WREG32(index_reg, 0x10700);
749	WREG32(data_reg, 0xBF10BFF0);
750	WREG32(index_reg, 0x10701);
751	WREG32(data_reg, 0x886089E0);
752	WREG32(index_reg, 0x10702);
753	WREG32(data_reg, 0x8018BEB0);
754	WREG32(index_reg, 0x10800);
755	WREG32(data_reg, 0xBED8BFE8);
756	WREG32(index_reg, 0x10801);
757	WREG32(data_reg, 0x89408940);
758	WREG32(index_reg, 0x10802);
759	WREG32(data_reg, 0xBFE8BED8);
760	WREG32(index_reg, 0x20000);
761	WREG32(data_reg, 0x80008000);
762	WREG32(index_reg, 0x20001);
763	WREG32(data_reg, 0x90008000);
764	WREG32(index_reg, 0x20002);
765	WREG32(data_reg, 0x80008000);
766	WREG32(index_reg, 0x20003);
767	WREG32(data_reg, 0x80008000);
768	WREG32(index_reg, 0x20100);
769	WREG32(data_reg, 0x80108000);
770	WREG32(index_reg, 0x20101);
771	WREG32(data_reg, 0x8FE0BF70);
772	WREG32(index_reg, 0x20102);
773	WREG32(data_reg, 0xBFE880C0);
774	WREG32(index_reg, 0x20103);
775	WREG32(data_reg, 0x80008000);
776	WREG32(index_reg, 0x20200);
777	WREG32(data_reg, 0x8018BFF8);
778	WREG32(index_reg, 0x20201);
779	WREG32(data_reg, 0x8F80BF08);
780	WREG32(index_reg, 0x20202);
781	WREG32(data_reg, 0xBFD081A0);
782	WREG32(index_reg, 0x20203);
783	WREG32(data_reg, 0xBFF88000);
784	WREG32(index_reg, 0x20300);
785	WREG32(data_reg, 0x80188000);
786	WREG32(index_reg, 0x20301);
787	WREG32(data_reg, 0x8EE0BEC0);
788	WREG32(index_reg, 0x20302);
789	WREG32(data_reg, 0xBFB082A0);
790	WREG32(index_reg, 0x20303);
791	WREG32(data_reg, 0x80008000);
792	WREG32(index_reg, 0x20400);
793	WREG32(data_reg, 0x80188000);
794	WREG32(index_reg, 0x20401);
795	WREG32(data_reg, 0x8E00BEA0);
796	WREG32(index_reg, 0x20402);
797	WREG32(data_reg, 0xBF8883C0);
798	WREG32(index_reg, 0x20403);
799	WREG32(data_reg, 0x80008000);
800	WREG32(index_reg, 0x20500);
801	WREG32(data_reg, 0x80188000);
802	WREG32(index_reg, 0x20501);
803	WREG32(data_reg, 0x8D00BE90);
804	WREG32(index_reg, 0x20502);
805	WREG32(data_reg, 0xBF588500);
806	WREG32(index_reg, 0x20503);
807	WREG32(data_reg, 0x80008008);
808	WREG32(index_reg, 0x20600);
809	WREG32(data_reg, 0x80188000);
810	WREG32(index_reg, 0x20601);
811	WREG32(data_reg, 0x8BC0BE98);
812	WREG32(index_reg, 0x20602);
813	WREG32(data_reg, 0xBF308660);
814	WREG32(index_reg, 0x20603);
815	WREG32(data_reg, 0x80008008);
816	WREG32(index_reg, 0x20700);
817	WREG32(data_reg, 0x80108000);
818	WREG32(index_reg, 0x20701);
819	WREG32(data_reg, 0x8A80BEB0);
820	WREG32(index_reg, 0x20702);
821	WREG32(data_reg, 0xBF0087C0);
822	WREG32(index_reg, 0x20703);
823	WREG32(data_reg, 0x80008008);
824	WREG32(index_reg, 0x20800);
825	WREG32(data_reg, 0x80108000);
826	WREG32(index_reg, 0x20801);
827	WREG32(data_reg, 0x8920BED0);
828	WREG32(index_reg, 0x20802);
829	WREG32(data_reg, 0xBED08920);
830	WREG32(index_reg, 0x20803);
831	WREG32(data_reg, 0x80008010);
832	WREG32(index_reg, 0x30000);
833	WREG32(data_reg, 0x90008000);
834	WREG32(index_reg, 0x30001);
835	WREG32(data_reg, 0x80008000);
836	WREG32(index_reg, 0x30100);
837	WREG32(data_reg, 0x8FE0BF90);
838	WREG32(index_reg, 0x30101);
839	WREG32(data_reg, 0xBFF880A0);
840	WREG32(index_reg, 0x30200);
841	WREG32(data_reg, 0x8F60BF40);
842	WREG32(index_reg, 0x30201);
843	WREG32(data_reg, 0xBFE88180);
844	WREG32(index_reg, 0x30300);
845	WREG32(data_reg, 0x8EC0BF00);
846	WREG32(index_reg, 0x30301);
847	WREG32(data_reg, 0xBFC88280);
848	WREG32(index_reg, 0x30400);
849	WREG32(data_reg, 0x8DE0BEE0);
850	WREG32(index_reg, 0x30401);
851	WREG32(data_reg, 0xBFA083A0);
852	WREG32(index_reg, 0x30500);
853	WREG32(data_reg, 0x8CE0BED0);
854	WREG32(index_reg, 0x30501);
855	WREG32(data_reg, 0xBF7884E0);
856	WREG32(index_reg, 0x30600);
857	WREG32(data_reg, 0x8BA0BED8);
858	WREG32(index_reg, 0x30601);
859	WREG32(data_reg, 0xBF508640);
860	WREG32(index_reg, 0x30700);
861	WREG32(data_reg, 0x8A60BEE8);
862	WREG32(index_reg, 0x30701);
863	WREG32(data_reg, 0xBF2087A0);
864	WREG32(index_reg, 0x30800);
865	WREG32(data_reg, 0x8900BF00);
866	WREG32(index_reg, 0x30801);
867	WREG32(data_reg, 0xBF008900);
868}
869
870struct rv515_watermark {
871	u32        lb_request_fifo_depth;
872	fixed20_12 num_line_pair;
873	fixed20_12 estimated_width;
874	fixed20_12 worst_case_latency;
875	fixed20_12 consumption_rate;
876	fixed20_12 active_time;
877	fixed20_12 dbpp;
878	fixed20_12 priority_mark_max;
879	fixed20_12 priority_mark;
880	fixed20_12 sclk;
881};
882
883static void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
884				  struct radeon_crtc *crtc,
885				  struct rv515_watermark *wm)
886{
887	struct drm_display_mode *mode = &crtc->base.mode;
888	fixed20_12 a, b, c;
889	fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
890	fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
891
892	if (!crtc->base.enabled) {
893		/* FIXME: wouldn't it better to set priority mark to maximum */
894		wm->lb_request_fifo_depth = 4;
895		return;
896	}
897
898	if (crtc->vsc.full > dfixed_const(2))
899		wm->num_line_pair.full = dfixed_const(2);
900	else
901		wm->num_line_pair.full = dfixed_const(1);
902
903	b.full = dfixed_const(mode->crtc_hdisplay);
904	c.full = dfixed_const(256);
905	a.full = dfixed_div(b, c);
906	request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
907	request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
908	if (a.full < dfixed_const(4)) {
909		wm->lb_request_fifo_depth = 4;
910	} else {
911		wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
912	}
913
914	/* Determine consumption rate
915	 *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
916	 *  vtaps = number of vertical taps,
917	 *  vsc = vertical scaling ratio, defined as source/destination
918	 *  hsc = horizontal scaling ration, defined as source/destination
919	 */
920	a.full = dfixed_const(mode->clock);
921	b.full = dfixed_const(1000);
922	a.full = dfixed_div(a, b);
923	pclk.full = dfixed_div(b, a);
924	if (crtc->rmx_type != RMX_OFF) {
925		b.full = dfixed_const(2);
926		if (crtc->vsc.full > b.full)
927			b.full = crtc->vsc.full;
928		b.full = dfixed_mul(b, crtc->hsc);
929		c.full = dfixed_const(2);
930		b.full = dfixed_div(b, c);
931		consumption_time.full = dfixed_div(pclk, b);
932	} else {
933		consumption_time.full = pclk.full;
934	}
935	a.full = dfixed_const(1);
936	wm->consumption_rate.full = dfixed_div(a, consumption_time);
937
938
939	/* Determine line time
940	 *  LineTime = total time for one line of displayhtotal
941	 *  LineTime = total number of horizontal pixels
942	 *  pclk = pixel clock period(ns)
943	 */
944	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
945	line_time.full = dfixed_mul(a, pclk);
946
947	/* Determine active time
948	 *  ActiveTime = time of active region of display within one line,
949	 *  hactive = total number of horizontal active pixels
950	 *  htotal = total number of horizontal pixels
951	 */
952	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
953	b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
954	wm->active_time.full = dfixed_mul(line_time, b);
955	wm->active_time.full = dfixed_div(wm->active_time, a);
956
957	/* Determine chunk time
958	 * ChunkTime = the time it takes the DCP to send one chunk of data
959	 * to the LB which consists of pipeline delay and inter chunk gap
960	 * sclk = system clock(Mhz)
961	 */
962	a.full = dfixed_const(600 * 1000);
963	chunk_time.full = dfixed_div(a, rdev->pm.sclk);
964	read_delay_latency.full = dfixed_const(1000);
965
966	/* Determine the worst case latency
967	 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
968	 * WorstCaseLatency = worst case time from urgent to when the MC starts
969	 *                    to return data
970	 * READ_DELAY_IDLE_MAX = constant of 1us
971	 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
972	 *             which consists of pipeline delay and inter chunk gap
973	 */
974	if (dfixed_trunc(wm->num_line_pair) > 1) {
975		a.full = dfixed_const(3);
976		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
977		wm->worst_case_latency.full += read_delay_latency.full;
978	} else {
979		wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
980	}
981
982	/* Determine the tolerable latency
983	 * TolerableLatency = Any given request has only 1 line time
984	 *                    for the data to be returned
985	 * LBRequestFifoDepth = Number of chunk requests the LB can
986	 *                      put into the request FIFO for a display
987	 *  LineTime = total time for one line of display
988	 *  ChunkTime = the time it takes the DCP to send one chunk
989	 *              of data to the LB which consists of
990	 *  pipeline delay and inter chunk gap
991	 */
992	if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
993		tolerable_latency.full = line_time.full;
994	} else {
995		tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
996		tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
997		tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
998		tolerable_latency.full = line_time.full - tolerable_latency.full;
999	}
1000	/* We assume worst case 32bits (4 bytes) */
1001	wm->dbpp.full = dfixed_const(2 * 16);
1002
1003	/* Determine the maximum priority mark
1004	 *  width = viewport width in pixels
1005	 */
1006	a.full = dfixed_const(16);
1007	wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1008	wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
1009	wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
1010
1011	/* Determine estimated width */
1012	estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
1013	estimated_width.full = dfixed_div(estimated_width, consumption_time);
1014	if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
1015		wm->priority_mark.full = wm->priority_mark_max.full;
1016	} else {
1017		a.full = dfixed_const(16);
1018		wm->priority_mark.full = dfixed_div(estimated_width, a);
1019		wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
1020		wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
1021	}
1022}
1023
1024void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
1025{
1026	struct drm_display_mode *mode0 = NULL;
1027	struct drm_display_mode *mode1 = NULL;
1028	struct rv515_watermark wm0;
1029	struct rv515_watermark wm1;
1030	u32 tmp;
1031	u32 d1mode_priority_a_cnt = MODE_PRIORITY_OFF;
1032	u32 d2mode_priority_a_cnt = MODE_PRIORITY_OFF;
1033	fixed20_12 priority_mark02, priority_mark12, fill_rate;
1034	fixed20_12 a, b;
1035
1036	if (rdev->mode_info.crtcs[0]->base.enabled)
1037		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1038	if (rdev->mode_info.crtcs[1]->base.enabled)
1039		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1040	rs690_line_buffer_adjust(rdev, mode0, mode1);
1041
1042	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0);
1043	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1);
1044
1045	tmp = wm0.lb_request_fifo_depth;
1046	tmp |= wm1.lb_request_fifo_depth << 16;
1047	WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
1048
1049	if (mode0 && mode1) {
1050		if (dfixed_trunc(wm0.dbpp) > 64)
1051			a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
1052		else
1053			a.full = wm0.num_line_pair.full;
1054		if (dfixed_trunc(wm1.dbpp) > 64)
1055			b.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
1056		else
1057			b.full = wm1.num_line_pair.full;
1058		a.full += b.full;
1059		fill_rate.full = dfixed_div(wm0.sclk, a);
1060		if (wm0.consumption_rate.full > fill_rate.full) {
1061			b.full = wm0.consumption_rate.full - fill_rate.full;
1062			b.full = dfixed_mul(b, wm0.active_time);
1063			a.full = dfixed_const(16);
1064			b.full = dfixed_div(b, a);
1065			a.full = dfixed_mul(wm0.worst_case_latency,
1066						wm0.consumption_rate);
1067			priority_mark02.full = a.full + b.full;
1068		} else {
1069			a.full = dfixed_mul(wm0.worst_case_latency,
1070						wm0.consumption_rate);
1071			b.full = dfixed_const(16 * 1000);
1072			priority_mark02.full = dfixed_div(a, b);
1073		}
1074		if (wm1.consumption_rate.full > fill_rate.full) {
1075			b.full = wm1.consumption_rate.full - fill_rate.full;
1076			b.full = dfixed_mul(b, wm1.active_time);
1077			a.full = dfixed_const(16);
1078			b.full = dfixed_div(b, a);
1079			a.full = dfixed_mul(wm1.worst_case_latency,
1080						wm1.consumption_rate);
1081			priority_mark12.full = a.full + b.full;
1082		} else {
1083			a.full = dfixed_mul(wm1.worst_case_latency,
1084						wm1.consumption_rate);
1085			b.full = dfixed_const(16 * 1000);
1086			priority_mark12.full = dfixed_div(a, b);
1087		}
1088		if (wm0.priority_mark.full > priority_mark02.full)
1089			priority_mark02.full = wm0.priority_mark.full;
1090		if (dfixed_trunc(priority_mark02) < 0)
1091			priority_mark02.full = 0;
1092		if (wm0.priority_mark_max.full > priority_mark02.full)
1093			priority_mark02.full = wm0.priority_mark_max.full;
1094		if (wm1.priority_mark.full > priority_mark12.full)
1095			priority_mark12.full = wm1.priority_mark.full;
1096		if (dfixed_trunc(priority_mark12) < 0)
1097			priority_mark12.full = 0;
1098		if (wm1.priority_mark_max.full > priority_mark12.full)
1099			priority_mark12.full = wm1.priority_mark_max.full;
1100		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1101		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1102		if (rdev->disp_priority == 2) {
1103			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1104			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1105		}
1106	} else if (mode0) {
1107		if (dfixed_trunc(wm0.dbpp) > 64)
1108			a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
1109		else
1110			a.full = wm0.num_line_pair.full;
1111		fill_rate.full = dfixed_div(wm0.sclk, a);
1112		if (wm0.consumption_rate.full > fill_rate.full) {
1113			b.full = wm0.consumption_rate.full - fill_rate.full;
1114			b.full = dfixed_mul(b, wm0.active_time);
1115			a.full = dfixed_const(16);
1116			b.full = dfixed_div(b, a);
1117			a.full = dfixed_mul(wm0.worst_case_latency,
1118						wm0.consumption_rate);
1119			priority_mark02.full = a.full + b.full;
1120		} else {
1121			a.full = dfixed_mul(wm0.worst_case_latency,
1122						wm0.consumption_rate);
1123			b.full = dfixed_const(16);
1124			priority_mark02.full = dfixed_div(a, b);
1125		}
1126		if (wm0.priority_mark.full > priority_mark02.full)
1127			priority_mark02.full = wm0.priority_mark.full;
1128		if (dfixed_trunc(priority_mark02) < 0)
1129			priority_mark02.full = 0;
1130		if (wm0.priority_mark_max.full > priority_mark02.full)
1131			priority_mark02.full = wm0.priority_mark_max.full;
1132		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1133		if (rdev->disp_priority == 2)
1134			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1135	} else if (mode1) {
1136		if (dfixed_trunc(wm1.dbpp) > 64)
1137			a.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
1138		else
1139			a.full = wm1.num_line_pair.full;
1140		fill_rate.full = dfixed_div(wm1.sclk, a);
1141		if (wm1.consumption_rate.full > fill_rate.full) {
1142			b.full = wm1.consumption_rate.full - fill_rate.full;
1143			b.full = dfixed_mul(b, wm1.active_time);
1144			a.full = dfixed_const(16);
1145			b.full = dfixed_div(b, a);
1146			a.full = dfixed_mul(wm1.worst_case_latency,
1147						wm1.consumption_rate);
1148			priority_mark12.full = a.full + b.full;
1149		} else {
1150			a.full = dfixed_mul(wm1.worst_case_latency,
1151						wm1.consumption_rate);
1152			b.full = dfixed_const(16 * 1000);
1153			priority_mark12.full = dfixed_div(a, b);
1154		}
1155		if (wm1.priority_mark.full > priority_mark12.full)
1156			priority_mark12.full = wm1.priority_mark.full;
1157		if (dfixed_trunc(priority_mark12) < 0)
1158			priority_mark12.full = 0;
1159		if (wm1.priority_mark_max.full > priority_mark12.full)
1160			priority_mark12.full = wm1.priority_mark_max.full;
1161		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1162		if (rdev->disp_priority == 2)
1163			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1164	}
1165
1166	WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1167	WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
1168	WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1169	WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
1170}
1171
1172void rv515_bandwidth_update(struct radeon_device *rdev)
1173{
1174	uint32_t tmp;
1175	struct drm_display_mode *mode0 = NULL;
1176	struct drm_display_mode *mode1 = NULL;
1177
1178	radeon_update_display_priority(rdev);
1179
1180	if (rdev->mode_info.crtcs[0]->base.enabled)
1181		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1182	if (rdev->mode_info.crtcs[1]->base.enabled)
1183		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1184	/*
1185	 * Set display0/1 priority up in the memory controller for
1186	 * modes if the user specifies HIGH for displaypriority
1187	 * option.
1188	 */
1189	if ((rdev->disp_priority == 2) &&
1190	    (rdev->family == CHIP_RV515)) {
1191		tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1192		tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1193		tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1194		if (mode1)
1195			tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1196		if (mode0)
1197			tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1198		WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1199	}
1200	rv515_bandwidth_avivo_update(rdev);
1201}
1202