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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#include <linux/seq_file.h>
29#include <linux/slab.h>
30#include "drmP.h"
31#include "rv515d.h"
32#include "radeon.h"
33#include "radeon_asic.h"
34#include "atom.h"
35#include "rv515_reg_safe.h"
36
37/* This files gather functions specifics to: rv515 */
38int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
39int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
40void rv515_gpu_init(struct radeon_device *rdev);
41int rv515_mc_wait_for_idle(struct radeon_device *rdev);
42
43void rv515_debugfs(struct radeon_device *rdev)
44{
45	if (r100_debugfs_rbbm_init(rdev)) {
46		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
47	}
48	if (rv515_debugfs_pipes_info_init(rdev)) {
49		DRM_ERROR("Failed to register debugfs file for pipes !\n");
50	}
51	if (rv515_debugfs_ga_info_init(rdev)) {
52		DRM_ERROR("Failed to register debugfs file for pipes !\n");
53	}
54}
55
56void rv515_ring_start(struct radeon_device *rdev)
57{
58	int r;
59
60	r = radeon_ring_lock(rdev, 64);
61	if (r) {
62		return;
63	}
64	radeon_ring_write(rdev, PACKET0(ISYNC_CNTL, 0));
65	radeon_ring_write(rdev,
66			  ISYNC_ANY2D_IDLE3D |
67			  ISYNC_ANY3D_IDLE2D |
68			  ISYNC_WAIT_IDLEGUI |
69			  ISYNC_CPSCRATCH_IDLEGUI);
70	radeon_ring_write(rdev, PACKET0(WAIT_UNTIL, 0));
71	radeon_ring_write(rdev, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
72	radeon_ring_write(rdev, PACKET0(0x170C, 0));
73	radeon_ring_write(rdev, 1 << 31);
74	radeon_ring_write(rdev, PACKET0(GB_SELECT, 0));
75	radeon_ring_write(rdev, 0);
76	radeon_ring_write(rdev, PACKET0(GB_ENABLE, 0));
77	radeon_ring_write(rdev, 0);
78	radeon_ring_write(rdev, PACKET0(0x42C8, 0));
79	radeon_ring_write(rdev, (1 << rdev->num_gb_pipes) - 1);
80	radeon_ring_write(rdev, PACKET0(VAP_INDEX_OFFSET, 0));
81	radeon_ring_write(rdev, 0);
82	radeon_ring_write(rdev, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
83	radeon_ring_write(rdev, RB3D_DC_FLUSH | RB3D_DC_FREE);
84	radeon_ring_write(rdev, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
85	radeon_ring_write(rdev, ZC_FLUSH | ZC_FREE);
86	radeon_ring_write(rdev, PACKET0(WAIT_UNTIL, 0));
87	radeon_ring_write(rdev, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
88	radeon_ring_write(rdev, PACKET0(GB_AA_CONFIG, 0));
89	radeon_ring_write(rdev, 0);
90	radeon_ring_write(rdev, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
91	radeon_ring_write(rdev, RB3D_DC_FLUSH | RB3D_DC_FREE);
92	radeon_ring_write(rdev, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
93	radeon_ring_write(rdev, ZC_FLUSH | ZC_FREE);
94	radeon_ring_write(rdev, PACKET0(GB_MSPOS0, 0));
95	radeon_ring_write(rdev,
96			  ((6 << MS_X0_SHIFT) |
97			   (6 << MS_Y0_SHIFT) |
98			   (6 << MS_X1_SHIFT) |
99			   (6 << MS_Y1_SHIFT) |
100			   (6 << MS_X2_SHIFT) |
101			   (6 << MS_Y2_SHIFT) |
102			   (6 << MSBD0_Y_SHIFT) |
103			   (6 << MSBD0_X_SHIFT)));
104	radeon_ring_write(rdev, PACKET0(GB_MSPOS1, 0));
105	radeon_ring_write(rdev,
106			  ((6 << MS_X3_SHIFT) |
107			   (6 << MS_Y3_SHIFT) |
108			   (6 << MS_X4_SHIFT) |
109			   (6 << MS_Y4_SHIFT) |
110			   (6 << MS_X5_SHIFT) |
111			   (6 << MS_Y5_SHIFT) |
112			   (6 << MSBD1_SHIFT)));
113	radeon_ring_write(rdev, PACKET0(GA_ENHANCE, 0));
114	radeon_ring_write(rdev, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
115	radeon_ring_write(rdev, PACKET0(GA_POLY_MODE, 0));
116	radeon_ring_write(rdev, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
117	radeon_ring_write(rdev, PACKET0(GA_ROUND_MODE, 0));
118	radeon_ring_write(rdev, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
119	radeon_ring_write(rdev, PACKET0(0x20C8, 0));
120	radeon_ring_write(rdev, 0);
121	radeon_ring_unlock_commit(rdev);
122}
123
124int rv515_mc_wait_for_idle(struct radeon_device *rdev)
125{
126	unsigned i;
127	uint32_t tmp;
128
129	for (i = 0; i < rdev->usec_timeout; i++) {
130		/* read MC_STATUS */
131		tmp = RREG32_MC(MC_STATUS);
132		if (tmp & MC_STATUS_IDLE) {
133			return 0;
134		}
135		DRM_UDELAY(1);
136	}
137	return -1;
138}
139
140void rv515_vga_render_disable(struct radeon_device *rdev)
141{
142	WREG32(R_000300_VGA_RENDER_CONTROL,
143		RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
144}
145
146void rv515_gpu_init(struct radeon_device *rdev)
147{
148	unsigned pipe_select_current, gb_pipe_select, tmp;
149
150	if (r100_gui_wait_for_idle(rdev)) {
151		printk(KERN_WARNING "Failed to wait GUI idle while "
152		       "reseting GPU. Bad things might happen.\n");
153	}
154	rv515_vga_render_disable(rdev);
155	r420_pipes_init(rdev);
156	gb_pipe_select = RREG32(0x402C);
157	tmp = RREG32(0x170C);
158	pipe_select_current = (tmp >> 2) & 3;
159	tmp = (1 << pipe_select_current) |
160	      (((gb_pipe_select >> 8) & 0xF) << 4);
161	WREG32_PLL(0x000D, tmp);
162	if (r100_gui_wait_for_idle(rdev)) {
163		printk(KERN_WARNING "Failed to wait GUI idle while "
164		       "reseting GPU. Bad things might happen.\n");
165	}
166	if (rv515_mc_wait_for_idle(rdev)) {
167		printk(KERN_WARNING "Failed to wait MC idle while "
168		       "programming pipes. Bad things might happen.\n");
169	}
170}
171
172static void rv515_vram_get_type(struct radeon_device *rdev)
173{
174	uint32_t tmp;
175
176	rdev->mc.vram_width = 128;
177	rdev->mc.vram_is_ddr = true;
178	tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
179	switch (tmp) {
180	case 0:
181		rdev->mc.vram_width = 64;
182		break;
183	case 1:
184		rdev->mc.vram_width = 128;
185		break;
186	default:
187		rdev->mc.vram_width = 128;
188		break;
189	}
190}
191
192void rv515_mc_init(struct radeon_device *rdev)
193{
194
195	rv515_vram_get_type(rdev);
196	r100_vram_init_sizes(rdev);
197	radeon_vram_location(rdev, &rdev->mc, 0);
198	rdev->mc.gtt_base_align = 0;
199	if (!(rdev->flags & RADEON_IS_AGP))
200		radeon_gtt_location(rdev, &rdev->mc);
201	radeon_update_bandwidth_info(rdev);
202}
203
204uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
205{
206	uint32_t r;
207
208	WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
209	r = RREG32(MC_IND_DATA);
210	WREG32(MC_IND_INDEX, 0);
211	return r;
212}
213
214void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
215{
216	WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
217	WREG32(MC_IND_DATA, (v));
218	WREG32(MC_IND_INDEX, 0);
219}
220
221#if defined(CONFIG_DEBUG_FS)
222static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
223{
224	struct drm_info_node *node = (struct drm_info_node *) m->private;
225	struct drm_device *dev = node->minor->dev;
226	struct radeon_device *rdev = dev->dev_private;
227	uint32_t tmp;
228
229	tmp = RREG32(GB_PIPE_SELECT);
230	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
231	tmp = RREG32(SU_REG_DEST);
232	seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
233	tmp = RREG32(GB_TILE_CONFIG);
234	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
235	tmp = RREG32(DST_PIPE_CONFIG);
236	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
237	return 0;
238}
239
240static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
241{
242	struct drm_info_node *node = (struct drm_info_node *) m->private;
243	struct drm_device *dev = node->minor->dev;
244	struct radeon_device *rdev = dev->dev_private;
245	uint32_t tmp;
246
247	tmp = RREG32(0x2140);
248	seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
249	radeon_asic_reset(rdev);
250	tmp = RREG32(0x425C);
251	seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
252	return 0;
253}
254
255static struct drm_info_list rv515_pipes_info_list[] = {
256	{"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
257};
258
259static struct drm_info_list rv515_ga_info_list[] = {
260	{"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
261};
262#endif
263
264int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
265{
266#if defined(CONFIG_DEBUG_FS)
267	return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
268#else
269	return 0;
270#endif
271}
272
273int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
274{
275#if defined(CONFIG_DEBUG_FS)
276	return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
277#else
278	return 0;
279#endif
280}
281
282void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
283{
284	save->d1vga_control = RREG32(R_000330_D1VGA_CONTROL);
285	save->d2vga_control = RREG32(R_000338_D2VGA_CONTROL);
286	save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
287	save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
288	save->d1crtc_control = RREG32(R_006080_D1CRTC_CONTROL);
289	save->d2crtc_control = RREG32(R_006880_D2CRTC_CONTROL);
290
291	/* Stop all video */
292	WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
293	WREG32(R_000300_VGA_RENDER_CONTROL, 0);
294	WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
295	WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
296	WREG32(R_006080_D1CRTC_CONTROL, 0);
297	WREG32(R_006880_D2CRTC_CONTROL, 0);
298	WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
299	WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
300	WREG32(R_000330_D1VGA_CONTROL, 0);
301	WREG32(R_000338_D2VGA_CONTROL, 0);
302}
303
304void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
305{
306	WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
307	WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
308	WREG32(R_006910_D2GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
309	WREG32(R_006918_D2GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
310	WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, rdev->mc.vram_start);
311	/* Unlock host access */
312	WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
313	mdelay(1);
314	/* Restore video state */
315	WREG32(R_000330_D1VGA_CONTROL, save->d1vga_control);
316	WREG32(R_000338_D2VGA_CONTROL, save->d2vga_control);
317	WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
318	WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
319	WREG32(R_006080_D1CRTC_CONTROL, save->d1crtc_control);
320	WREG32(R_006880_D2CRTC_CONTROL, save->d2crtc_control);
321	WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
322	WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
323	WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
324}
325
326void rv515_mc_program(struct radeon_device *rdev)
327{
328	struct rv515_mc_save save;
329
330	/* Stops all mc clients */
331	rv515_mc_stop(rdev, &save);
332
333	/* Wait for mc idle */
334	if (rv515_mc_wait_for_idle(rdev))
335		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
336	/* Write VRAM size in case we are limiting it */
337	WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
338	/* Program MC, should be a 32bits limited address space */
339	WREG32_MC(R_000001_MC_FB_LOCATION,
340			S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
341			S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
342	WREG32(R_000134_HDP_FB_LOCATION,
343		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
344	if (rdev->flags & RADEON_IS_AGP) {
345		WREG32_MC(R_000002_MC_AGP_LOCATION,
346			S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
347			S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
348		WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
349		WREG32_MC(R_000004_MC_AGP_BASE_2,
350			S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
351	} else {
352		WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
353		WREG32_MC(R_000003_MC_AGP_BASE, 0);
354		WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
355	}
356
357	rv515_mc_resume(rdev, &save);
358}
359
360void rv515_clock_startup(struct radeon_device *rdev)
361{
362	if (radeon_dynclks != -1 && radeon_dynclks)
363		radeon_atom_set_clock_gating(rdev, 1);
364	/* We need to force on some of the block */
365	WREG32_PLL(R_00000F_CP_DYN_CNTL,
366		RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
367	WREG32_PLL(R_000011_E2_DYN_CNTL,
368		RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
369	WREG32_PLL(R_000013_IDCT_DYN_CNTL,
370		RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
371}
372
373static int rv515_startup(struct radeon_device *rdev)
374{
375	int r;
376
377	rv515_mc_program(rdev);
378	/* Resume clock */
379	rv515_clock_startup(rdev);
380	/* Initialize GPU configuration (# pipes, ...) */
381	rv515_gpu_init(rdev);
382	/* Initialize GART (initialize after TTM so we can allocate
383	 * memory through TTM but finalize after TTM) */
384	if (rdev->flags & RADEON_IS_PCIE) {
385		r = rv370_pcie_gart_enable(rdev);
386		if (r)
387			return r;
388	}
389	/* Enable IRQ */
390	rs600_irq_set(rdev);
391	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
392	/* 1M ring buffer */
393	r = r100_cp_init(rdev, 1024 * 1024);
394	if (r) {
395		dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
396		return r;
397	}
398	r = r100_wb_init(rdev);
399	if (r)
400		dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
401	r = r100_ib_init(rdev);
402	if (r) {
403		dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
404		return r;
405	}
406	return 0;
407}
408
409int rv515_resume(struct radeon_device *rdev)
410{
411	/* Make sur GART are not working */
412	if (rdev->flags & RADEON_IS_PCIE)
413		rv370_pcie_gart_disable(rdev);
414	/* Resume clock before doing reset */
415	rv515_clock_startup(rdev);
416	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
417	if (radeon_asic_reset(rdev)) {
418		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
419			RREG32(R_000E40_RBBM_STATUS),
420			RREG32(R_0007C0_CP_STAT));
421	}
422	/* post */
423	atom_asic_init(rdev->mode_info.atom_context);
424	/* Resume clock after posting */
425	rv515_clock_startup(rdev);
426	/* Initialize surface registers */
427	radeon_surface_init(rdev);
428	return rv515_startup(rdev);
429}
430
431int rv515_suspend(struct radeon_device *rdev)
432{
433	r100_cp_disable(rdev);
434	r100_wb_disable(rdev);
435	rs600_irq_disable(rdev);
436	if (rdev->flags & RADEON_IS_PCIE)
437		rv370_pcie_gart_disable(rdev);
438	return 0;
439}
440
441void rv515_set_safe_registers(struct radeon_device *rdev)
442{
443	rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
444	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
445}
446
447void rv515_fini(struct radeon_device *rdev)
448{
449	r100_cp_fini(rdev);
450	r100_wb_fini(rdev);
451	r100_ib_fini(rdev);
452	radeon_gem_fini(rdev);
453	rv370_pcie_gart_fini(rdev);
454	radeon_agp_fini(rdev);
455	radeon_irq_kms_fini(rdev);
456	radeon_fence_driver_fini(rdev);
457	radeon_bo_fini(rdev);
458	radeon_atombios_fini(rdev);
459	kfree(rdev->bios);
460	rdev->bios = NULL;
461}
462
463int rv515_init(struct radeon_device *rdev)
464{
465	int r;
466
467	/* Initialize scratch registers */
468	radeon_scratch_init(rdev);
469	/* Initialize surface registers */
470	radeon_surface_init(rdev);
471	/* TODO: disable VGA need to use VGA request */
472	/* restore some register to sane defaults */
473	r100_restore_sanity(rdev);
474	/* BIOS*/
475	if (!radeon_get_bios(rdev)) {
476		if (ASIC_IS_AVIVO(rdev))
477			return -EINVAL;
478	}
479	if (rdev->is_atom_bios) {
480		r = radeon_atombios_init(rdev);
481		if (r)
482			return r;
483	} else {
484		dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
485		return -EINVAL;
486	}
487	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
488	if (radeon_asic_reset(rdev)) {
489		dev_warn(rdev->dev,
490			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
491			RREG32(R_000E40_RBBM_STATUS),
492			RREG32(R_0007C0_CP_STAT));
493	}
494	/* check if cards are posted or not */
495	if (radeon_boot_test_post_card(rdev) == false)
496		return -EINVAL;
497	/* Initialize clocks */
498	radeon_get_clock_info(rdev->ddev);
499	/* initialize AGP */
500	if (rdev->flags & RADEON_IS_AGP) {
501		r = radeon_agp_init(rdev);
502		if (r) {
503			radeon_agp_disable(rdev);
504		}
505	}
506	/* initialize memory controller */
507	rv515_mc_init(rdev);
508	rv515_debugfs(rdev);
509	/* Fence driver */
510	r = radeon_fence_driver_init(rdev);
511	if (r)
512		return r;
513	r = radeon_irq_kms_init(rdev);
514	if (r)
515		return r;
516	/* Memory manager */
517	r = radeon_bo_init(rdev);
518	if (r)
519		return r;
520	r = rv370_pcie_gart_init(rdev);
521	if (r)
522		return r;
523	rv515_set_safe_registers(rdev);
524	rdev->accel_working = true;
525	r = rv515_startup(rdev);
526	if (r) {
527		/* Somethings want wront with the accel init stop accel */
528		dev_err(rdev->dev, "Disabling GPU acceleration\n");
529		r100_cp_fini(rdev);
530		r100_wb_fini(rdev);
531		r100_ib_fini(rdev);
532		radeon_irq_kms_fini(rdev);
533		rv370_pcie_gart_fini(rdev);
534		radeon_agp_fini(rdev);
535		rdev->accel_working = false;
536	}
537	return 0;
538}
539
540void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
541{
542	int index_reg = 0x6578 + crtc->crtc_offset;
543	int data_reg = 0x657c + crtc->crtc_offset;
544
545	WREG32(0x659C + crtc->crtc_offset, 0x0);
546	WREG32(0x6594 + crtc->crtc_offset, 0x705);
547	WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
548	WREG32(0x65D8 + crtc->crtc_offset, 0x0);
549	WREG32(0x65B0 + crtc->crtc_offset, 0x0);
550	WREG32(0x65C0 + crtc->crtc_offset, 0x0);
551	WREG32(0x65D4 + crtc->crtc_offset, 0x0);
552	WREG32(index_reg, 0x0);
553	WREG32(data_reg, 0x841880A8);
554	WREG32(index_reg, 0x1);
555	WREG32(data_reg, 0x84208680);
556	WREG32(index_reg, 0x2);
557	WREG32(data_reg, 0xBFF880B0);
558	WREG32(index_reg, 0x100);
559	WREG32(data_reg, 0x83D88088);
560	WREG32(index_reg, 0x101);
561	WREG32(data_reg, 0x84608680);
562	WREG32(index_reg, 0x102);
563	WREG32(data_reg, 0xBFF080D0);
564	WREG32(index_reg, 0x200);
565	WREG32(data_reg, 0x83988068);
566	WREG32(index_reg, 0x201);
567	WREG32(data_reg, 0x84A08680);
568	WREG32(index_reg, 0x202);
569	WREG32(data_reg, 0xBFF080F8);
570	WREG32(index_reg, 0x300);
571	WREG32(data_reg, 0x83588058);
572	WREG32(index_reg, 0x301);
573	WREG32(data_reg, 0x84E08660);
574	WREG32(index_reg, 0x302);
575	WREG32(data_reg, 0xBFF88120);
576	WREG32(index_reg, 0x400);
577	WREG32(data_reg, 0x83188040);
578	WREG32(index_reg, 0x401);
579	WREG32(data_reg, 0x85008660);
580	WREG32(index_reg, 0x402);
581	WREG32(data_reg, 0xBFF88150);
582	WREG32(index_reg, 0x500);
583	WREG32(data_reg, 0x82D88030);
584	WREG32(index_reg, 0x501);
585	WREG32(data_reg, 0x85408640);
586	WREG32(index_reg, 0x502);
587	WREG32(data_reg, 0xBFF88180);
588	WREG32(index_reg, 0x600);
589	WREG32(data_reg, 0x82A08018);
590	WREG32(index_reg, 0x601);
591	WREG32(data_reg, 0x85808620);
592	WREG32(index_reg, 0x602);
593	WREG32(data_reg, 0xBFF081B8);
594	WREG32(index_reg, 0x700);
595	WREG32(data_reg, 0x82608010);
596	WREG32(index_reg, 0x701);
597	WREG32(data_reg, 0x85A08600);
598	WREG32(index_reg, 0x702);
599	WREG32(data_reg, 0x800081F0);
600	WREG32(index_reg, 0x800);
601	WREG32(data_reg, 0x8228BFF8);
602	WREG32(index_reg, 0x801);
603	WREG32(data_reg, 0x85E085E0);
604	WREG32(index_reg, 0x802);
605	WREG32(data_reg, 0xBFF88228);
606	WREG32(index_reg, 0x10000);
607	WREG32(data_reg, 0x82A8BF00);
608	WREG32(index_reg, 0x10001);
609	WREG32(data_reg, 0x82A08CC0);
610	WREG32(index_reg, 0x10002);
611	WREG32(data_reg, 0x8008BEF8);
612	WREG32(index_reg, 0x10100);
613	WREG32(data_reg, 0x81F0BF28);
614	WREG32(index_reg, 0x10101);
615	WREG32(data_reg, 0x83608CA0);
616	WREG32(index_reg, 0x10102);
617	WREG32(data_reg, 0x8018BED0);
618	WREG32(index_reg, 0x10200);
619	WREG32(data_reg, 0x8148BF38);
620	WREG32(index_reg, 0x10201);
621	WREG32(data_reg, 0x84408C80);
622	WREG32(index_reg, 0x10202);
623	WREG32(data_reg, 0x8008BEB8);
624	WREG32(index_reg, 0x10300);
625	WREG32(data_reg, 0x80B0BF78);
626	WREG32(index_reg, 0x10301);
627	WREG32(data_reg, 0x85008C20);
628	WREG32(index_reg, 0x10302);
629	WREG32(data_reg, 0x8020BEA0);
630	WREG32(index_reg, 0x10400);
631	WREG32(data_reg, 0x8028BF90);
632	WREG32(index_reg, 0x10401);
633	WREG32(data_reg, 0x85E08BC0);
634	WREG32(index_reg, 0x10402);
635	WREG32(data_reg, 0x8018BE90);
636	WREG32(index_reg, 0x10500);
637	WREG32(data_reg, 0xBFB8BFB0);
638	WREG32(index_reg, 0x10501);
639	WREG32(data_reg, 0x86C08B40);
640	WREG32(index_reg, 0x10502);
641	WREG32(data_reg, 0x8010BE90);
642	WREG32(index_reg, 0x10600);
643	WREG32(data_reg, 0xBF58BFC8);
644	WREG32(index_reg, 0x10601);
645	WREG32(data_reg, 0x87A08AA0);
646	WREG32(index_reg, 0x10602);
647	WREG32(data_reg, 0x8010BE98);
648	WREG32(index_reg, 0x10700);
649	WREG32(data_reg, 0xBF10BFF0);
650	WREG32(index_reg, 0x10701);
651	WREG32(data_reg, 0x886089E0);
652	WREG32(index_reg, 0x10702);
653	WREG32(data_reg, 0x8018BEB0);
654	WREG32(index_reg, 0x10800);
655	WREG32(data_reg, 0xBED8BFE8);
656	WREG32(index_reg, 0x10801);
657	WREG32(data_reg, 0x89408940);
658	WREG32(index_reg, 0x10802);
659	WREG32(data_reg, 0xBFE8BED8);
660	WREG32(index_reg, 0x20000);
661	WREG32(data_reg, 0x80008000);
662	WREG32(index_reg, 0x20001);
663	WREG32(data_reg, 0x90008000);
664	WREG32(index_reg, 0x20002);
665	WREG32(data_reg, 0x80008000);
666	WREG32(index_reg, 0x20003);
667	WREG32(data_reg, 0x80008000);
668	WREG32(index_reg, 0x20100);
669	WREG32(data_reg, 0x80108000);
670	WREG32(index_reg, 0x20101);
671	WREG32(data_reg, 0x8FE0BF70);
672	WREG32(index_reg, 0x20102);
673	WREG32(data_reg, 0xBFE880C0);
674	WREG32(index_reg, 0x20103);
675	WREG32(data_reg, 0x80008000);
676	WREG32(index_reg, 0x20200);
677	WREG32(data_reg, 0x8018BFF8);
678	WREG32(index_reg, 0x20201);
679	WREG32(data_reg, 0x8F80BF08);
680	WREG32(index_reg, 0x20202);
681	WREG32(data_reg, 0xBFD081A0);
682	WREG32(index_reg, 0x20203);
683	WREG32(data_reg, 0xBFF88000);
684	WREG32(index_reg, 0x20300);
685	WREG32(data_reg, 0x80188000);
686	WREG32(index_reg, 0x20301);
687	WREG32(data_reg, 0x8EE0BEC0);
688	WREG32(index_reg, 0x20302);
689	WREG32(data_reg, 0xBFB082A0);
690	WREG32(index_reg, 0x20303);
691	WREG32(data_reg, 0x80008000);
692	WREG32(index_reg, 0x20400);
693	WREG32(data_reg, 0x80188000);
694	WREG32(index_reg, 0x20401);
695	WREG32(data_reg, 0x8E00BEA0);
696	WREG32(index_reg, 0x20402);
697	WREG32(data_reg, 0xBF8883C0);
698	WREG32(index_reg, 0x20403);
699	WREG32(data_reg, 0x80008000);
700	WREG32(index_reg, 0x20500);
701	WREG32(data_reg, 0x80188000);
702	WREG32(index_reg, 0x20501);
703	WREG32(data_reg, 0x8D00BE90);
704	WREG32(index_reg, 0x20502);
705	WREG32(data_reg, 0xBF588500);
706	WREG32(index_reg, 0x20503);
707	WREG32(data_reg, 0x80008008);
708	WREG32(index_reg, 0x20600);
709	WREG32(data_reg, 0x80188000);
710	WREG32(index_reg, 0x20601);
711	WREG32(data_reg, 0x8BC0BE98);
712	WREG32(index_reg, 0x20602);
713	WREG32(data_reg, 0xBF308660);
714	WREG32(index_reg, 0x20603);
715	WREG32(data_reg, 0x80008008);
716	WREG32(index_reg, 0x20700);
717	WREG32(data_reg, 0x80108000);
718	WREG32(index_reg, 0x20701);
719	WREG32(data_reg, 0x8A80BEB0);
720	WREG32(index_reg, 0x20702);
721	WREG32(data_reg, 0xBF0087C0);
722	WREG32(index_reg, 0x20703);
723	WREG32(data_reg, 0x80008008);
724	WREG32(index_reg, 0x20800);
725	WREG32(data_reg, 0x80108000);
726	WREG32(index_reg, 0x20801);
727	WREG32(data_reg, 0x8920BED0);
728	WREG32(index_reg, 0x20802);
729	WREG32(data_reg, 0xBED08920);
730	WREG32(index_reg, 0x20803);
731	WREG32(data_reg, 0x80008010);
732	WREG32(index_reg, 0x30000);
733	WREG32(data_reg, 0x90008000);
734	WREG32(index_reg, 0x30001);
735	WREG32(data_reg, 0x80008000);
736	WREG32(index_reg, 0x30100);
737	WREG32(data_reg, 0x8FE0BF90);
738	WREG32(index_reg, 0x30101);
739	WREG32(data_reg, 0xBFF880A0);
740	WREG32(index_reg, 0x30200);
741	WREG32(data_reg, 0x8F60BF40);
742	WREG32(index_reg, 0x30201);
743	WREG32(data_reg, 0xBFE88180);
744	WREG32(index_reg, 0x30300);
745	WREG32(data_reg, 0x8EC0BF00);
746	WREG32(index_reg, 0x30301);
747	WREG32(data_reg, 0xBFC88280);
748	WREG32(index_reg, 0x30400);
749	WREG32(data_reg, 0x8DE0BEE0);
750	WREG32(index_reg, 0x30401);
751	WREG32(data_reg, 0xBFA083A0);
752	WREG32(index_reg, 0x30500);
753	WREG32(data_reg, 0x8CE0BED0);
754	WREG32(index_reg, 0x30501);
755	WREG32(data_reg, 0xBF7884E0);
756	WREG32(index_reg, 0x30600);
757	WREG32(data_reg, 0x8BA0BED8);
758	WREG32(index_reg, 0x30601);
759	WREG32(data_reg, 0xBF508640);
760	WREG32(index_reg, 0x30700);
761	WREG32(data_reg, 0x8A60BEE8);
762	WREG32(index_reg, 0x30701);
763	WREG32(data_reg, 0xBF2087A0);
764	WREG32(index_reg, 0x30800);
765	WREG32(data_reg, 0x8900BF00);
766	WREG32(index_reg, 0x30801);
767	WREG32(data_reg, 0xBF008900);
768}
769
770struct rv515_watermark {
771	u32        lb_request_fifo_depth;
772	fixed20_12 num_line_pair;
773	fixed20_12 estimated_width;
774	fixed20_12 worst_case_latency;
775	fixed20_12 consumption_rate;
776	fixed20_12 active_time;
777	fixed20_12 dbpp;
778	fixed20_12 priority_mark_max;
779	fixed20_12 priority_mark;
780	fixed20_12 sclk;
781};
782
783void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
784				  struct radeon_crtc *crtc,
785				  struct rv515_watermark *wm)
786{
787	struct drm_display_mode *mode = &crtc->base.mode;
788	fixed20_12 a, b, c;
789	fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
790	fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
791
792	if (!crtc->base.enabled) {
793		wm->lb_request_fifo_depth = 4;
794		return;
795	}
796
797	if (crtc->vsc.full > dfixed_const(2))
798		wm->num_line_pair.full = dfixed_const(2);
799	else
800		wm->num_line_pair.full = dfixed_const(1);
801
802	b.full = dfixed_const(mode->crtc_hdisplay);
803	c.full = dfixed_const(256);
804	a.full = dfixed_div(b, c);
805	request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
806	request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
807	if (a.full < dfixed_const(4)) {
808		wm->lb_request_fifo_depth = 4;
809	} else {
810		wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
811	}
812
813	/* Determine consumption rate
814	 *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
815	 *  vtaps = number of vertical taps,
816	 *  vsc = vertical scaling ratio, defined as source/destination
817	 *  hsc = horizontal scaling ration, defined as source/destination
818	 */
819	a.full = dfixed_const(mode->clock);
820	b.full = dfixed_const(1000);
821	a.full = dfixed_div(a, b);
822	pclk.full = dfixed_div(b, a);
823	if (crtc->rmx_type != RMX_OFF) {
824		b.full = dfixed_const(2);
825		if (crtc->vsc.full > b.full)
826			b.full = crtc->vsc.full;
827		b.full = dfixed_mul(b, crtc->hsc);
828		c.full = dfixed_const(2);
829		b.full = dfixed_div(b, c);
830		consumption_time.full = dfixed_div(pclk, b);
831	} else {
832		consumption_time.full = pclk.full;
833	}
834	a.full = dfixed_const(1);
835	wm->consumption_rate.full = dfixed_div(a, consumption_time);
836
837
838	/* Determine line time
839	 *  LineTime = total time for one line of displayhtotal
840	 *  LineTime = total number of horizontal pixels
841	 *  pclk = pixel clock period(ns)
842	 */
843	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
844	line_time.full = dfixed_mul(a, pclk);
845
846	/* Determine active time
847	 *  ActiveTime = time of active region of display within one line,
848	 *  hactive = total number of horizontal active pixels
849	 *  htotal = total number of horizontal pixels
850	 */
851	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
852	b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
853	wm->active_time.full = dfixed_mul(line_time, b);
854	wm->active_time.full = dfixed_div(wm->active_time, a);
855
856	/* Determine chunk time
857	 * ChunkTime = the time it takes the DCP to send one chunk of data
858	 * to the LB which consists of pipeline delay and inter chunk gap
859	 * sclk = system clock(Mhz)
860	 */
861	a.full = dfixed_const(600 * 1000);
862	chunk_time.full = dfixed_div(a, rdev->pm.sclk);
863	read_delay_latency.full = dfixed_const(1000);
864
865	/* Determine the worst case latency
866	 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
867	 * WorstCaseLatency = worst case time from urgent to when the MC starts
868	 *                    to return data
869	 * READ_DELAY_IDLE_MAX = constant of 1us
870	 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
871	 *             which consists of pipeline delay and inter chunk gap
872	 */
873	if (dfixed_trunc(wm->num_line_pair) > 1) {
874		a.full = dfixed_const(3);
875		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
876		wm->worst_case_latency.full += read_delay_latency.full;
877	} else {
878		wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
879	}
880
881	/* Determine the tolerable latency
882	 * TolerableLatency = Any given request has only 1 line time
883	 *                    for the data to be returned
884	 * LBRequestFifoDepth = Number of chunk requests the LB can
885	 *                      put into the request FIFO for a display
886	 *  LineTime = total time for one line of display
887	 *  ChunkTime = the time it takes the DCP to send one chunk
888	 *              of data to the LB which consists of
889	 *  pipeline delay and inter chunk gap
890	 */
891	if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
892		tolerable_latency.full = line_time.full;
893	} else {
894		tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
895		tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
896		tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
897		tolerable_latency.full = line_time.full - tolerable_latency.full;
898	}
899	/* We assume worst case 32bits (4 bytes) */
900	wm->dbpp.full = dfixed_const(2 * 16);
901
902	/* Determine the maximum priority mark
903	 *  width = viewport width in pixels
904	 */
905	a.full = dfixed_const(16);
906	wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
907	wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
908	wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
909
910	/* Determine estimated width */
911	estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
912	estimated_width.full = dfixed_div(estimated_width, consumption_time);
913	if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
914		wm->priority_mark.full = wm->priority_mark_max.full;
915	} else {
916		a.full = dfixed_const(16);
917		wm->priority_mark.full = dfixed_div(estimated_width, a);
918		wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
919		wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
920	}
921}
922
923void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
924{
925	struct drm_display_mode *mode0 = NULL;
926	struct drm_display_mode *mode1 = NULL;
927	struct rv515_watermark wm0;
928	struct rv515_watermark wm1;
929	u32 tmp;
930	u32 d1mode_priority_a_cnt = MODE_PRIORITY_OFF;
931	u32 d2mode_priority_a_cnt = MODE_PRIORITY_OFF;
932	fixed20_12 priority_mark02, priority_mark12, fill_rate;
933	fixed20_12 a, b;
934
935	if (rdev->mode_info.crtcs[0]->base.enabled)
936		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
937	if (rdev->mode_info.crtcs[1]->base.enabled)
938		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
939	rs690_line_buffer_adjust(rdev, mode0, mode1);
940
941	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0);
942	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1);
943
944	tmp = wm0.lb_request_fifo_depth;
945	tmp |= wm1.lb_request_fifo_depth << 16;
946	WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
947
948	if (mode0 && mode1) {
949		if (dfixed_trunc(wm0.dbpp) > 64)
950			a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
951		else
952			a.full = wm0.num_line_pair.full;
953		if (dfixed_trunc(wm1.dbpp) > 64)
954			b.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
955		else
956			b.full = wm1.num_line_pair.full;
957		a.full += b.full;
958		fill_rate.full = dfixed_div(wm0.sclk, a);
959		if (wm0.consumption_rate.full > fill_rate.full) {
960			b.full = wm0.consumption_rate.full - fill_rate.full;
961			b.full = dfixed_mul(b, wm0.active_time);
962			a.full = dfixed_const(16);
963			b.full = dfixed_div(b, a);
964			a.full = dfixed_mul(wm0.worst_case_latency,
965						wm0.consumption_rate);
966			priority_mark02.full = a.full + b.full;
967		} else {
968			a.full = dfixed_mul(wm0.worst_case_latency,
969						wm0.consumption_rate);
970			b.full = dfixed_const(16 * 1000);
971			priority_mark02.full = dfixed_div(a, b);
972		}
973		if (wm1.consumption_rate.full > fill_rate.full) {
974			b.full = wm1.consumption_rate.full - fill_rate.full;
975			b.full = dfixed_mul(b, wm1.active_time);
976			a.full = dfixed_const(16);
977			b.full = dfixed_div(b, a);
978			a.full = dfixed_mul(wm1.worst_case_latency,
979						wm1.consumption_rate);
980			priority_mark12.full = a.full + b.full;
981		} else {
982			a.full = dfixed_mul(wm1.worst_case_latency,
983						wm1.consumption_rate);
984			b.full = dfixed_const(16 * 1000);
985			priority_mark12.full = dfixed_div(a, b);
986		}
987		if (wm0.priority_mark.full > priority_mark02.full)
988			priority_mark02.full = wm0.priority_mark.full;
989		if (dfixed_trunc(priority_mark02) < 0)
990			priority_mark02.full = 0;
991		if (wm0.priority_mark_max.full > priority_mark02.full)
992			priority_mark02.full = wm0.priority_mark_max.full;
993		if (wm1.priority_mark.full > priority_mark12.full)
994			priority_mark12.full = wm1.priority_mark.full;
995		if (dfixed_trunc(priority_mark12) < 0)
996			priority_mark12.full = 0;
997		if (wm1.priority_mark_max.full > priority_mark12.full)
998			priority_mark12.full = wm1.priority_mark_max.full;
999		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1000		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1001		if (rdev->disp_priority == 2) {
1002			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1003			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1004		}
1005	} else if (mode0) {
1006		if (dfixed_trunc(wm0.dbpp) > 64)
1007			a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
1008		else
1009			a.full = wm0.num_line_pair.full;
1010		fill_rate.full = dfixed_div(wm0.sclk, a);
1011		if (wm0.consumption_rate.full > fill_rate.full) {
1012			b.full = wm0.consumption_rate.full - fill_rate.full;
1013			b.full = dfixed_mul(b, wm0.active_time);
1014			a.full = dfixed_const(16);
1015			b.full = dfixed_div(b, a);
1016			a.full = dfixed_mul(wm0.worst_case_latency,
1017						wm0.consumption_rate);
1018			priority_mark02.full = a.full + b.full;
1019		} else {
1020			a.full = dfixed_mul(wm0.worst_case_latency,
1021						wm0.consumption_rate);
1022			b.full = dfixed_const(16);
1023			priority_mark02.full = dfixed_div(a, b);
1024		}
1025		if (wm0.priority_mark.full > priority_mark02.full)
1026			priority_mark02.full = wm0.priority_mark.full;
1027		if (dfixed_trunc(priority_mark02) < 0)
1028			priority_mark02.full = 0;
1029		if (wm0.priority_mark_max.full > priority_mark02.full)
1030			priority_mark02.full = wm0.priority_mark_max.full;
1031		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1032		if (rdev->disp_priority == 2)
1033			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1034	} else if (mode1) {
1035		if (dfixed_trunc(wm1.dbpp) > 64)
1036			a.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
1037		else
1038			a.full = wm1.num_line_pair.full;
1039		fill_rate.full = dfixed_div(wm1.sclk, a);
1040		if (wm1.consumption_rate.full > fill_rate.full) {
1041			b.full = wm1.consumption_rate.full - fill_rate.full;
1042			b.full = dfixed_mul(b, wm1.active_time);
1043			a.full = dfixed_const(16);
1044			b.full = dfixed_div(b, a);
1045			a.full = dfixed_mul(wm1.worst_case_latency,
1046						wm1.consumption_rate);
1047			priority_mark12.full = a.full + b.full;
1048		} else {
1049			a.full = dfixed_mul(wm1.worst_case_latency,
1050						wm1.consumption_rate);
1051			b.full = dfixed_const(16 * 1000);
1052			priority_mark12.full = dfixed_div(a, b);
1053		}
1054		if (wm1.priority_mark.full > priority_mark12.full)
1055			priority_mark12.full = wm1.priority_mark.full;
1056		if (dfixed_trunc(priority_mark12) < 0)
1057			priority_mark12.full = 0;
1058		if (wm1.priority_mark_max.full > priority_mark12.full)
1059			priority_mark12.full = wm1.priority_mark_max.full;
1060		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1061		if (rdev->disp_priority == 2)
1062			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1063	}
1064
1065	WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1066	WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
1067	WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1068	WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
1069}
1070
1071void rv515_bandwidth_update(struct radeon_device *rdev)
1072{
1073	uint32_t tmp;
1074	struct drm_display_mode *mode0 = NULL;
1075	struct drm_display_mode *mode1 = NULL;
1076
1077	radeon_update_display_priority(rdev);
1078
1079	if (rdev->mode_info.crtcs[0]->base.enabled)
1080		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1081	if (rdev->mode_info.crtcs[1]->base.enabled)
1082		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1083	/*
1084	 * Set display0/1 priority up in the memory controller for
1085	 * modes if the user specifies HIGH for displaypriority
1086	 * option.
1087	 */
1088	if ((rdev->disp_priority == 2) &&
1089	    (rdev->family == CHIP_RV515)) {
1090		tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1091		tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1092		tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1093		if (mode1)
1094			tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1095		if (mode0)
1096			tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1097		WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1098	}
1099	rv515_bandwidth_avivo_update(rdev);
1100}
1101