[go: nahoru, domu]

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 <drm/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 */
38static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
39static int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
40static void rv515_gpu_init(struct radeon_device *rdev);
41int rv515_mc_wait_for_idle(struct radeon_device *rdev);
42
43static const u32 crtc_offsets[2] =
44{
45	0,
46	AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
47};
48
49void rv515_debugfs(struct radeon_device *rdev)
50{
51	if (r100_debugfs_rbbm_init(rdev)) {
52		DRM_ERROR("Failed to register debugfs file for RBBM !\n");
53	}
54	if (rv515_debugfs_pipes_info_init(rdev)) {
55		DRM_ERROR("Failed to register debugfs file for pipes !\n");
56	}
57	if (rv515_debugfs_ga_info_init(rdev)) {
58		DRM_ERROR("Failed to register debugfs file for pipes !\n");
59	}
60}
61
62void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
63{
64	int r;
65
66	r = radeon_ring_lock(rdev, ring, 64);
67	if (r) {
68		return;
69	}
70	radeon_ring_write(ring, PACKET0(ISYNC_CNTL, 0));
71	radeon_ring_write(ring,
72			  ISYNC_ANY2D_IDLE3D |
73			  ISYNC_ANY3D_IDLE2D |
74			  ISYNC_WAIT_IDLEGUI |
75			  ISYNC_CPSCRATCH_IDLEGUI);
76	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
77	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
78	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
79	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
80	radeon_ring_write(ring, PACKET0(GB_SELECT, 0));
81	radeon_ring_write(ring, 0);
82	radeon_ring_write(ring, PACKET0(GB_ENABLE, 0));
83	radeon_ring_write(ring, 0);
84	radeon_ring_write(ring, PACKET0(R500_SU_REG_DEST, 0));
85	radeon_ring_write(ring, (1 << rdev->num_gb_pipes) - 1);
86	radeon_ring_write(ring, PACKET0(VAP_INDEX_OFFSET, 0));
87	radeon_ring_write(ring, 0);
88	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
89	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
90	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
91	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
92	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
93	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
94	radeon_ring_write(ring, PACKET0(GB_AA_CONFIG, 0));
95	radeon_ring_write(ring, 0);
96	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
97	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
98	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
99	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
100	radeon_ring_write(ring, PACKET0(GB_MSPOS0, 0));
101	radeon_ring_write(ring,
102			  ((6 << MS_X0_SHIFT) |
103			   (6 << MS_Y0_SHIFT) |
104			   (6 << MS_X1_SHIFT) |
105			   (6 << MS_Y1_SHIFT) |
106			   (6 << MS_X2_SHIFT) |
107			   (6 << MS_Y2_SHIFT) |
108			   (6 << MSBD0_Y_SHIFT) |
109			   (6 << MSBD0_X_SHIFT)));
110	radeon_ring_write(ring, PACKET0(GB_MSPOS1, 0));
111	radeon_ring_write(ring,
112			  ((6 << MS_X3_SHIFT) |
113			   (6 << MS_Y3_SHIFT) |
114			   (6 << MS_X4_SHIFT) |
115			   (6 << MS_Y4_SHIFT) |
116			   (6 << MS_X5_SHIFT) |
117			   (6 << MS_Y5_SHIFT) |
118			   (6 << MSBD1_SHIFT)));
119	radeon_ring_write(ring, PACKET0(GA_ENHANCE, 0));
120	radeon_ring_write(ring, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
121	radeon_ring_write(ring, PACKET0(GA_POLY_MODE, 0));
122	radeon_ring_write(ring, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
123	radeon_ring_write(ring, PACKET0(GA_ROUND_MODE, 0));
124	radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
125	radeon_ring_write(ring, PACKET0(0x20C8, 0));
126	radeon_ring_write(ring, 0);
127	radeon_ring_unlock_commit(rdev, ring, false);
128}
129
130int rv515_mc_wait_for_idle(struct radeon_device *rdev)
131{
132	unsigned i;
133	uint32_t tmp;
134
135	for (i = 0; i < rdev->usec_timeout; i++) {
136		/* read MC_STATUS */
137		tmp = RREG32_MC(MC_STATUS);
138		if (tmp & MC_STATUS_IDLE) {
139			return 0;
140		}
141		DRM_UDELAY(1);
142	}
143	return -1;
144}
145
146void rv515_vga_render_disable(struct radeon_device *rdev)
147{
148	WREG32(R_000300_VGA_RENDER_CONTROL,
149		RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
150}
151
152static void rv515_gpu_init(struct radeon_device *rdev)
153{
154	unsigned pipe_select_current, gb_pipe_select, tmp;
155
156	if (r100_gui_wait_for_idle(rdev)) {
157		printk(KERN_WARNING "Failed to wait GUI idle while "
158		       "resetting GPU. Bad things might happen.\n");
159	}
160	rv515_vga_render_disable(rdev);
161	r420_pipes_init(rdev);
162	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
163	tmp = RREG32(R300_DST_PIPE_CONFIG);
164	pipe_select_current = (tmp >> 2) & 3;
165	tmp = (1 << pipe_select_current) |
166	      (((gb_pipe_select >> 8) & 0xF) << 4);
167	WREG32_PLL(0x000D, tmp);
168	if (r100_gui_wait_for_idle(rdev)) {
169		printk(KERN_WARNING "Failed to wait GUI idle while "
170		       "resetting GPU. Bad things might happen.\n");
171	}
172	if (rv515_mc_wait_for_idle(rdev)) {
173		printk(KERN_WARNING "Failed to wait MC idle while "
174		       "programming pipes. Bad things might happen.\n");
175	}
176}
177
178static void rv515_vram_get_type(struct radeon_device *rdev)
179{
180	uint32_t tmp;
181
182	rdev->mc.vram_width = 128;
183	rdev->mc.vram_is_ddr = true;
184	tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
185	switch (tmp) {
186	case 0:
187		rdev->mc.vram_width = 64;
188		break;
189	case 1:
190		rdev->mc.vram_width = 128;
191		break;
192	default:
193		rdev->mc.vram_width = 128;
194		break;
195	}
196}
197
198static void rv515_mc_init(struct radeon_device *rdev)
199{
200
201	rv515_vram_get_type(rdev);
202	r100_vram_init_sizes(rdev);
203	radeon_vram_location(rdev, &rdev->mc, 0);
204	rdev->mc.gtt_base_align = 0;
205	if (!(rdev->flags & RADEON_IS_AGP))
206		radeon_gtt_location(rdev, &rdev->mc);
207	radeon_update_bandwidth_info(rdev);
208}
209
210uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
211{
212	unsigned long flags;
213	uint32_t r;
214
215	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
216	WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
217	r = RREG32(MC_IND_DATA);
218	WREG32(MC_IND_INDEX, 0);
219	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
220
221	return r;
222}
223
224void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
225{
226	unsigned long flags;
227
228	spin_lock_irqsave(&rdev->mc_idx_lock, flags);
229	WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
230	WREG32(MC_IND_DATA, (v));
231	WREG32(MC_IND_INDEX, 0);
232	spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
233}
234
235#if defined(CONFIG_DEBUG_FS)
236static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
237{
238	struct drm_info_node *node = (struct drm_info_node *) m->private;
239	struct drm_device *dev = node->minor->dev;
240	struct radeon_device *rdev = dev->dev_private;
241	uint32_t tmp;
242
243	tmp = RREG32(GB_PIPE_SELECT);
244	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
245	tmp = RREG32(SU_REG_DEST);
246	seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
247	tmp = RREG32(GB_TILE_CONFIG);
248	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
249	tmp = RREG32(DST_PIPE_CONFIG);
250	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
251	return 0;
252}
253
254static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
255{
256	struct drm_info_node *node = (struct drm_info_node *) m->private;
257	struct drm_device *dev = node->minor->dev;
258	struct radeon_device *rdev = dev->dev_private;
259	uint32_t tmp;
260
261	tmp = RREG32(0x2140);
262	seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
263	radeon_asic_reset(rdev);
264	tmp = RREG32(0x425C);
265	seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
266	return 0;
267}
268
269static struct drm_info_list rv515_pipes_info_list[] = {
270	{"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
271};
272
273static struct drm_info_list rv515_ga_info_list[] = {
274	{"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
275};
276#endif
277
278static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
279{
280#if defined(CONFIG_DEBUG_FS)
281	return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
282#else
283	return 0;
284#endif
285}
286
287static int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
288{
289#if defined(CONFIG_DEBUG_FS)
290	return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
291#else
292	return 0;
293#endif
294}
295
296void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
297{
298	u32 crtc_enabled, tmp, frame_count, blackout;
299	int i, j;
300
301	save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
302	save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
303
304	/* disable VGA render */
305	WREG32(R_000300_VGA_RENDER_CONTROL, 0);
306	/* blank the display controllers */
307	for (i = 0; i < rdev->num_crtc; i++) {
308		crtc_enabled = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN;
309		if (crtc_enabled) {
310			save->crtc_enabled[i] = true;
311			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
312			if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) {
313				radeon_wait_for_vblank(rdev, i);
314				WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
315				tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
316				WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
317				WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
318			}
319			/* wait for the next frame */
320			frame_count = radeon_get_vblank_counter(rdev, i);
321			for (j = 0; j < rdev->usec_timeout; j++) {
322				if (radeon_get_vblank_counter(rdev, i) != frame_count)
323					break;
324				udelay(1);
325			}
326
327			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
328			WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
329			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
330			tmp &= ~AVIVO_CRTC_EN;
331			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
332			WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
333			save->crtc_enabled[i] = false;
334			/* ***** */
335		} else {
336			save->crtc_enabled[i] = false;
337		}
338	}
339
340	radeon_mc_wait_for_idle(rdev);
341
342	if (rdev->family >= CHIP_R600) {
343		if (rdev->family >= CHIP_RV770)
344			blackout = RREG32(R700_MC_CITF_CNTL);
345		else
346			blackout = RREG32(R600_CITF_CNTL);
347		if ((blackout & R600_BLACKOUT_MASK) != R600_BLACKOUT_MASK) {
348			/* Block CPU access */
349			WREG32(R600_BIF_FB_EN, 0);
350			/* blackout the MC */
351			blackout |= R600_BLACKOUT_MASK;
352			if (rdev->family >= CHIP_RV770)
353				WREG32(R700_MC_CITF_CNTL, blackout);
354			else
355				WREG32(R600_CITF_CNTL, blackout);
356		}
357	}
358	/* wait for the MC to settle */
359	udelay(100);
360
361	/* lock double buffered regs */
362	for (i = 0; i < rdev->num_crtc; i++) {
363		if (save->crtc_enabled[i]) {
364			tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
365			if (!(tmp & AVIVO_D1GRPH_UPDATE_LOCK)) {
366				tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
367				WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
368			}
369			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
370			if (!(tmp & 1)) {
371				tmp |= 1;
372				WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
373			}
374		}
375	}
376}
377
378void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
379{
380	u32 tmp, frame_count;
381	int i, j;
382
383	/* update crtc base addresses */
384	for (i = 0; i < rdev->num_crtc; i++) {
385		if (rdev->family >= CHIP_RV770) {
386			if (i == 0) {
387				WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
388				       upper_32_bits(rdev->mc.vram_start));
389				WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
390				       upper_32_bits(rdev->mc.vram_start));
391			} else {
392				WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
393				       upper_32_bits(rdev->mc.vram_start));
394				WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
395				       upper_32_bits(rdev->mc.vram_start));
396			}
397		}
398		WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
399		       (u32)rdev->mc.vram_start);
400		WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
401		       (u32)rdev->mc.vram_start);
402	}
403	WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
404
405	/* unlock regs and wait for update */
406	for (i = 0; i < rdev->num_crtc; i++) {
407		if (save->crtc_enabled[i]) {
408			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]);
409			if ((tmp & 0x7) != 3) {
410				tmp &= ~0x7;
411				tmp |= 0x3;
412				WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
413			}
414			tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
415			if (tmp & AVIVO_D1GRPH_UPDATE_LOCK) {
416				tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
417				WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
418			}
419			tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
420			if (tmp & 1) {
421				tmp &= ~1;
422				WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
423			}
424			for (j = 0; j < rdev->usec_timeout; j++) {
425				tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
426				if ((tmp & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) == 0)
427					break;
428				udelay(1);
429			}
430		}
431	}
432
433	if (rdev->family >= CHIP_R600) {
434		/* unblackout the MC */
435		if (rdev->family >= CHIP_RV770)
436			tmp = RREG32(R700_MC_CITF_CNTL);
437		else
438			tmp = RREG32(R600_CITF_CNTL);
439		tmp &= ~R600_BLACKOUT_MASK;
440		if (rdev->family >= CHIP_RV770)
441			WREG32(R700_MC_CITF_CNTL, tmp);
442		else
443			WREG32(R600_CITF_CNTL, tmp);
444		/* allow CPU access */
445		WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN);
446	}
447
448	for (i = 0; i < rdev->num_crtc; i++) {
449		if (save->crtc_enabled[i]) {
450			tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
451			tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
452			WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
453			/* wait for the next frame */
454			frame_count = radeon_get_vblank_counter(rdev, i);
455			for (j = 0; j < rdev->usec_timeout; j++) {
456				if (radeon_get_vblank_counter(rdev, i) != frame_count)
457					break;
458				udelay(1);
459			}
460		}
461	}
462	/* Unlock vga access */
463	WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
464	mdelay(1);
465	WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
466}
467
468static void rv515_mc_program(struct radeon_device *rdev)
469{
470	struct rv515_mc_save save;
471
472	/* Stops all mc clients */
473	rv515_mc_stop(rdev, &save);
474
475	/* Wait for mc idle */
476	if (rv515_mc_wait_for_idle(rdev))
477		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
478	/* Write VRAM size in case we are limiting it */
479	WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
480	/* Program MC, should be a 32bits limited address space */
481	WREG32_MC(R_000001_MC_FB_LOCATION,
482			S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
483			S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
484	WREG32(R_000134_HDP_FB_LOCATION,
485		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
486	if (rdev->flags & RADEON_IS_AGP) {
487		WREG32_MC(R_000002_MC_AGP_LOCATION,
488			S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
489			S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
490		WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
491		WREG32_MC(R_000004_MC_AGP_BASE_2,
492			S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
493	} else {
494		WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
495		WREG32_MC(R_000003_MC_AGP_BASE, 0);
496		WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
497	}
498
499	rv515_mc_resume(rdev, &save);
500}
501
502void rv515_clock_startup(struct radeon_device *rdev)
503{
504	if (radeon_dynclks != -1 && radeon_dynclks)
505		radeon_atom_set_clock_gating(rdev, 1);
506	/* We need to force on some of the block */
507	WREG32_PLL(R_00000F_CP_DYN_CNTL,
508		RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
509	WREG32_PLL(R_000011_E2_DYN_CNTL,
510		RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
511	WREG32_PLL(R_000013_IDCT_DYN_CNTL,
512		RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
513}
514
515static int rv515_startup(struct radeon_device *rdev)
516{
517	int r;
518
519	rv515_mc_program(rdev);
520	/* Resume clock */
521	rv515_clock_startup(rdev);
522	/* Initialize GPU configuration (# pipes, ...) */
523	rv515_gpu_init(rdev);
524	/* Initialize GART (initialize after TTM so we can allocate
525	 * memory through TTM but finalize after TTM) */
526	if (rdev->flags & RADEON_IS_PCIE) {
527		r = rv370_pcie_gart_enable(rdev);
528		if (r)
529			return r;
530	}
531
532	/* allocate wb buffer */
533	r = radeon_wb_init(rdev);
534	if (r)
535		return r;
536
537	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
538	if (r) {
539		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
540		return r;
541	}
542
543	/* Enable IRQ */
544	if (!rdev->irq.installed) {
545		r = radeon_irq_kms_init(rdev);
546		if (r)
547			return r;
548	}
549
550	rs600_irq_set(rdev);
551	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
552	/* 1M ring buffer */
553	r = r100_cp_init(rdev, 1024 * 1024);
554	if (r) {
555		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
556		return r;
557	}
558
559	r = radeon_ib_pool_init(rdev);
560	if (r) {
561		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
562		return r;
563	}
564
565	return 0;
566}
567
568int rv515_resume(struct radeon_device *rdev)
569{
570	int r;
571
572	/* Make sur GART are not working */
573	if (rdev->flags & RADEON_IS_PCIE)
574		rv370_pcie_gart_disable(rdev);
575	/* Resume clock before doing reset */
576	rv515_clock_startup(rdev);
577	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
578	if (radeon_asic_reset(rdev)) {
579		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
580			RREG32(R_000E40_RBBM_STATUS),
581			RREG32(R_0007C0_CP_STAT));
582	}
583	/* post */
584	atom_asic_init(rdev->mode_info.atom_context);
585	/* Resume clock after posting */
586	rv515_clock_startup(rdev);
587	/* Initialize surface registers */
588	radeon_surface_init(rdev);
589
590	rdev->accel_working = true;
591	r =  rv515_startup(rdev);
592	if (r) {
593		rdev->accel_working = false;
594	}
595	return r;
596}
597
598int rv515_suspend(struct radeon_device *rdev)
599{
600	radeon_pm_suspend(rdev);
601	r100_cp_disable(rdev);
602	radeon_wb_disable(rdev);
603	rs600_irq_disable(rdev);
604	if (rdev->flags & RADEON_IS_PCIE)
605		rv370_pcie_gart_disable(rdev);
606	return 0;
607}
608
609void rv515_set_safe_registers(struct radeon_device *rdev)
610{
611	rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
612	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
613}
614
615void rv515_fini(struct radeon_device *rdev)
616{
617	radeon_pm_fini(rdev);
618	r100_cp_fini(rdev);
619	radeon_wb_fini(rdev);
620	radeon_ib_pool_fini(rdev);
621	radeon_gem_fini(rdev);
622	rv370_pcie_gart_fini(rdev);
623	radeon_agp_fini(rdev);
624	radeon_irq_kms_fini(rdev);
625	radeon_fence_driver_fini(rdev);
626	radeon_bo_fini(rdev);
627	radeon_atombios_fini(rdev);
628	kfree(rdev->bios);
629	rdev->bios = NULL;
630}
631
632int rv515_init(struct radeon_device *rdev)
633{
634	int r;
635
636	/* Initialize scratch registers */
637	radeon_scratch_init(rdev);
638	/* Initialize surface registers */
639	radeon_surface_init(rdev);
640	/* TODO: disable VGA need to use VGA request */
641	/* restore some register to sane defaults */
642	r100_restore_sanity(rdev);
643	/* BIOS*/
644	if (!radeon_get_bios(rdev)) {
645		if (ASIC_IS_AVIVO(rdev))
646			return -EINVAL;
647	}
648	if (rdev->is_atom_bios) {
649		r = radeon_atombios_init(rdev);
650		if (r)
651			return r;
652	} else {
653		dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
654		return -EINVAL;
655	}
656	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
657	if (radeon_asic_reset(rdev)) {
658		dev_warn(rdev->dev,
659			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
660			RREG32(R_000E40_RBBM_STATUS),
661			RREG32(R_0007C0_CP_STAT));
662	}
663	/* check if cards are posted or not */
664	if (radeon_boot_test_post_card(rdev) == false)
665		return -EINVAL;
666	/* Initialize clocks */
667	radeon_get_clock_info(rdev->ddev);
668	/* initialize AGP */
669	if (rdev->flags & RADEON_IS_AGP) {
670		r = radeon_agp_init(rdev);
671		if (r) {
672			radeon_agp_disable(rdev);
673		}
674	}
675	/* initialize memory controller */
676	rv515_mc_init(rdev);
677	rv515_debugfs(rdev);
678	/* Fence driver */
679	r = radeon_fence_driver_init(rdev);
680	if (r)
681		return r;
682	/* Memory manager */
683	r = radeon_bo_init(rdev);
684	if (r)
685		return r;
686	r = rv370_pcie_gart_init(rdev);
687	if (r)
688		return r;
689	rv515_set_safe_registers(rdev);
690
691	/* Initialize power management */
692	radeon_pm_init(rdev);
693
694	rdev->accel_working = true;
695	r = rv515_startup(rdev);
696	if (r) {
697		/* Somethings want wront with the accel init stop accel */
698		dev_err(rdev->dev, "Disabling GPU acceleration\n");
699		r100_cp_fini(rdev);
700		radeon_wb_fini(rdev);
701		radeon_ib_pool_fini(rdev);
702		radeon_irq_kms_fini(rdev);
703		rv370_pcie_gart_fini(rdev);
704		radeon_agp_fini(rdev);
705		rdev->accel_working = false;
706	}
707	return 0;
708}
709
710void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
711{
712	int index_reg = 0x6578 + crtc->crtc_offset;
713	int data_reg = 0x657c + crtc->crtc_offset;
714
715	WREG32(0x659C + crtc->crtc_offset, 0x0);
716	WREG32(0x6594 + crtc->crtc_offset, 0x705);
717	WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
718	WREG32(0x65D8 + crtc->crtc_offset, 0x0);
719	WREG32(0x65B0 + crtc->crtc_offset, 0x0);
720	WREG32(0x65C0 + crtc->crtc_offset, 0x0);
721	WREG32(0x65D4 + crtc->crtc_offset, 0x0);
722	WREG32(index_reg, 0x0);
723	WREG32(data_reg, 0x841880A8);
724	WREG32(index_reg, 0x1);
725	WREG32(data_reg, 0x84208680);
726	WREG32(index_reg, 0x2);
727	WREG32(data_reg, 0xBFF880B0);
728	WREG32(index_reg, 0x100);
729	WREG32(data_reg, 0x83D88088);
730	WREG32(index_reg, 0x101);
731	WREG32(data_reg, 0x84608680);
732	WREG32(index_reg, 0x102);
733	WREG32(data_reg, 0xBFF080D0);
734	WREG32(index_reg, 0x200);
735	WREG32(data_reg, 0x83988068);
736	WREG32(index_reg, 0x201);
737	WREG32(data_reg, 0x84A08680);
738	WREG32(index_reg, 0x202);
739	WREG32(data_reg, 0xBFF080F8);
740	WREG32(index_reg, 0x300);
741	WREG32(data_reg, 0x83588058);
742	WREG32(index_reg, 0x301);
743	WREG32(data_reg, 0x84E08660);
744	WREG32(index_reg, 0x302);
745	WREG32(data_reg, 0xBFF88120);
746	WREG32(index_reg, 0x400);
747	WREG32(data_reg, 0x83188040);
748	WREG32(index_reg, 0x401);
749	WREG32(data_reg, 0x85008660);
750	WREG32(index_reg, 0x402);
751	WREG32(data_reg, 0xBFF88150);
752	WREG32(index_reg, 0x500);
753	WREG32(data_reg, 0x82D88030);
754	WREG32(index_reg, 0x501);
755	WREG32(data_reg, 0x85408640);
756	WREG32(index_reg, 0x502);
757	WREG32(data_reg, 0xBFF88180);
758	WREG32(index_reg, 0x600);
759	WREG32(data_reg, 0x82A08018);
760	WREG32(index_reg, 0x601);
761	WREG32(data_reg, 0x85808620);
762	WREG32(index_reg, 0x602);
763	WREG32(data_reg, 0xBFF081B8);
764	WREG32(index_reg, 0x700);
765	WREG32(data_reg, 0x82608010);
766	WREG32(index_reg, 0x701);
767	WREG32(data_reg, 0x85A08600);
768	WREG32(index_reg, 0x702);
769	WREG32(data_reg, 0x800081F0);
770	WREG32(index_reg, 0x800);
771	WREG32(data_reg, 0x8228BFF8);
772	WREG32(index_reg, 0x801);
773	WREG32(data_reg, 0x85E085E0);
774	WREG32(index_reg, 0x802);
775	WREG32(data_reg, 0xBFF88228);
776	WREG32(index_reg, 0x10000);
777	WREG32(data_reg, 0x82A8BF00);
778	WREG32(index_reg, 0x10001);
779	WREG32(data_reg, 0x82A08CC0);
780	WREG32(index_reg, 0x10002);
781	WREG32(data_reg, 0x8008BEF8);
782	WREG32(index_reg, 0x10100);
783	WREG32(data_reg, 0x81F0BF28);
784	WREG32(index_reg, 0x10101);
785	WREG32(data_reg, 0x83608CA0);
786	WREG32(index_reg, 0x10102);
787	WREG32(data_reg, 0x8018BED0);
788	WREG32(index_reg, 0x10200);
789	WREG32(data_reg, 0x8148BF38);
790	WREG32(index_reg, 0x10201);
791	WREG32(data_reg, 0x84408C80);
792	WREG32(index_reg, 0x10202);
793	WREG32(data_reg, 0x8008BEB8);
794	WREG32(index_reg, 0x10300);
795	WREG32(data_reg, 0x80B0BF78);
796	WREG32(index_reg, 0x10301);
797	WREG32(data_reg, 0x85008C20);
798	WREG32(index_reg, 0x10302);
799	WREG32(data_reg, 0x8020BEA0);
800	WREG32(index_reg, 0x10400);
801	WREG32(data_reg, 0x8028BF90);
802	WREG32(index_reg, 0x10401);
803	WREG32(data_reg, 0x85E08BC0);
804	WREG32(index_reg, 0x10402);
805	WREG32(data_reg, 0x8018BE90);
806	WREG32(index_reg, 0x10500);
807	WREG32(data_reg, 0xBFB8BFB0);
808	WREG32(index_reg, 0x10501);
809	WREG32(data_reg, 0x86C08B40);
810	WREG32(index_reg, 0x10502);
811	WREG32(data_reg, 0x8010BE90);
812	WREG32(index_reg, 0x10600);
813	WREG32(data_reg, 0xBF58BFC8);
814	WREG32(index_reg, 0x10601);
815	WREG32(data_reg, 0x87A08AA0);
816	WREG32(index_reg, 0x10602);
817	WREG32(data_reg, 0x8010BE98);
818	WREG32(index_reg, 0x10700);
819	WREG32(data_reg, 0xBF10BFF0);
820	WREG32(index_reg, 0x10701);
821	WREG32(data_reg, 0x886089E0);
822	WREG32(index_reg, 0x10702);
823	WREG32(data_reg, 0x8018BEB0);
824	WREG32(index_reg, 0x10800);
825	WREG32(data_reg, 0xBED8BFE8);
826	WREG32(index_reg, 0x10801);
827	WREG32(data_reg, 0x89408940);
828	WREG32(index_reg, 0x10802);
829	WREG32(data_reg, 0xBFE8BED8);
830	WREG32(index_reg, 0x20000);
831	WREG32(data_reg, 0x80008000);
832	WREG32(index_reg, 0x20001);
833	WREG32(data_reg, 0x90008000);
834	WREG32(index_reg, 0x20002);
835	WREG32(data_reg, 0x80008000);
836	WREG32(index_reg, 0x20003);
837	WREG32(data_reg, 0x80008000);
838	WREG32(index_reg, 0x20100);
839	WREG32(data_reg, 0x80108000);
840	WREG32(index_reg, 0x20101);
841	WREG32(data_reg, 0x8FE0BF70);
842	WREG32(index_reg, 0x20102);
843	WREG32(data_reg, 0xBFE880C0);
844	WREG32(index_reg, 0x20103);
845	WREG32(data_reg, 0x80008000);
846	WREG32(index_reg, 0x20200);
847	WREG32(data_reg, 0x8018BFF8);
848	WREG32(index_reg, 0x20201);
849	WREG32(data_reg, 0x8F80BF08);
850	WREG32(index_reg, 0x20202);
851	WREG32(data_reg, 0xBFD081A0);
852	WREG32(index_reg, 0x20203);
853	WREG32(data_reg, 0xBFF88000);
854	WREG32(index_reg, 0x20300);
855	WREG32(data_reg, 0x80188000);
856	WREG32(index_reg, 0x20301);
857	WREG32(data_reg, 0x8EE0BEC0);
858	WREG32(index_reg, 0x20302);
859	WREG32(data_reg, 0xBFB082A0);
860	WREG32(index_reg, 0x20303);
861	WREG32(data_reg, 0x80008000);
862	WREG32(index_reg, 0x20400);
863	WREG32(data_reg, 0x80188000);
864	WREG32(index_reg, 0x20401);
865	WREG32(data_reg, 0x8E00BEA0);
866	WREG32(index_reg, 0x20402);
867	WREG32(data_reg, 0xBF8883C0);
868	WREG32(index_reg, 0x20403);
869	WREG32(data_reg, 0x80008000);
870	WREG32(index_reg, 0x20500);
871	WREG32(data_reg, 0x80188000);
872	WREG32(index_reg, 0x20501);
873	WREG32(data_reg, 0x8D00BE90);
874	WREG32(index_reg, 0x20502);
875	WREG32(data_reg, 0xBF588500);
876	WREG32(index_reg, 0x20503);
877	WREG32(data_reg, 0x80008008);
878	WREG32(index_reg, 0x20600);
879	WREG32(data_reg, 0x80188000);
880	WREG32(index_reg, 0x20601);
881	WREG32(data_reg, 0x8BC0BE98);
882	WREG32(index_reg, 0x20602);
883	WREG32(data_reg, 0xBF308660);
884	WREG32(index_reg, 0x20603);
885	WREG32(data_reg, 0x80008008);
886	WREG32(index_reg, 0x20700);
887	WREG32(data_reg, 0x80108000);
888	WREG32(index_reg, 0x20701);
889	WREG32(data_reg, 0x8A80BEB0);
890	WREG32(index_reg, 0x20702);
891	WREG32(data_reg, 0xBF0087C0);
892	WREG32(index_reg, 0x20703);
893	WREG32(data_reg, 0x80008008);
894	WREG32(index_reg, 0x20800);
895	WREG32(data_reg, 0x80108000);
896	WREG32(index_reg, 0x20801);
897	WREG32(data_reg, 0x8920BED0);
898	WREG32(index_reg, 0x20802);
899	WREG32(data_reg, 0xBED08920);
900	WREG32(index_reg, 0x20803);
901	WREG32(data_reg, 0x80008010);
902	WREG32(index_reg, 0x30000);
903	WREG32(data_reg, 0x90008000);
904	WREG32(index_reg, 0x30001);
905	WREG32(data_reg, 0x80008000);
906	WREG32(index_reg, 0x30100);
907	WREG32(data_reg, 0x8FE0BF90);
908	WREG32(index_reg, 0x30101);
909	WREG32(data_reg, 0xBFF880A0);
910	WREG32(index_reg, 0x30200);
911	WREG32(data_reg, 0x8F60BF40);
912	WREG32(index_reg, 0x30201);
913	WREG32(data_reg, 0xBFE88180);
914	WREG32(index_reg, 0x30300);
915	WREG32(data_reg, 0x8EC0BF00);
916	WREG32(index_reg, 0x30301);
917	WREG32(data_reg, 0xBFC88280);
918	WREG32(index_reg, 0x30400);
919	WREG32(data_reg, 0x8DE0BEE0);
920	WREG32(index_reg, 0x30401);
921	WREG32(data_reg, 0xBFA083A0);
922	WREG32(index_reg, 0x30500);
923	WREG32(data_reg, 0x8CE0BED0);
924	WREG32(index_reg, 0x30501);
925	WREG32(data_reg, 0xBF7884E0);
926	WREG32(index_reg, 0x30600);
927	WREG32(data_reg, 0x8BA0BED8);
928	WREG32(index_reg, 0x30601);
929	WREG32(data_reg, 0xBF508640);
930	WREG32(index_reg, 0x30700);
931	WREG32(data_reg, 0x8A60BEE8);
932	WREG32(index_reg, 0x30701);
933	WREG32(data_reg, 0xBF2087A0);
934	WREG32(index_reg, 0x30800);
935	WREG32(data_reg, 0x8900BF00);
936	WREG32(index_reg, 0x30801);
937	WREG32(data_reg, 0xBF008900);
938}
939
940struct rv515_watermark {
941	u32        lb_request_fifo_depth;
942	fixed20_12 num_line_pair;
943	fixed20_12 estimated_width;
944	fixed20_12 worst_case_latency;
945	fixed20_12 consumption_rate;
946	fixed20_12 active_time;
947	fixed20_12 dbpp;
948	fixed20_12 priority_mark_max;
949	fixed20_12 priority_mark;
950	fixed20_12 sclk;
951};
952
953static void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
954					 struct radeon_crtc *crtc,
955					 struct rv515_watermark *wm,
956					 bool low)
957{
958	struct drm_display_mode *mode = &crtc->base.mode;
959	fixed20_12 a, b, c;
960	fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
961	fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
962	fixed20_12 sclk;
963	u32 selected_sclk;
964
965	if (!crtc->base.enabled) {
966		/* FIXME: wouldn't it better to set priority mark to maximum */
967		wm->lb_request_fifo_depth = 4;
968		return;
969	}
970
971	/* rv6xx, rv7xx */
972	if ((rdev->family >= CHIP_RV610) &&
973	    (rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
974		selected_sclk = radeon_dpm_get_sclk(rdev, low);
975	else
976		selected_sclk = rdev->pm.current_sclk;
977
978	/* sclk in Mhz */
979	a.full = dfixed_const(100);
980	sclk.full = dfixed_const(selected_sclk);
981	sclk.full = dfixed_div(sclk, a);
982
983	if (crtc->vsc.full > dfixed_const(2))
984		wm->num_line_pair.full = dfixed_const(2);
985	else
986		wm->num_line_pair.full = dfixed_const(1);
987
988	b.full = dfixed_const(mode->crtc_hdisplay);
989	c.full = dfixed_const(256);
990	a.full = dfixed_div(b, c);
991	request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
992	request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
993	if (a.full < dfixed_const(4)) {
994		wm->lb_request_fifo_depth = 4;
995	} else {
996		wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
997	}
998
999	/* Determine consumption rate
1000	 *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
1001	 *  vtaps = number of vertical taps,
1002	 *  vsc = vertical scaling ratio, defined as source/destination
1003	 *  hsc = horizontal scaling ration, defined as source/destination
1004	 */
1005	a.full = dfixed_const(mode->clock);
1006	b.full = dfixed_const(1000);
1007	a.full = dfixed_div(a, b);
1008	pclk.full = dfixed_div(b, a);
1009	if (crtc->rmx_type != RMX_OFF) {
1010		b.full = dfixed_const(2);
1011		if (crtc->vsc.full > b.full)
1012			b.full = crtc->vsc.full;
1013		b.full = dfixed_mul(b, crtc->hsc);
1014		c.full = dfixed_const(2);
1015		b.full = dfixed_div(b, c);
1016		consumption_time.full = dfixed_div(pclk, b);
1017	} else {
1018		consumption_time.full = pclk.full;
1019	}
1020	a.full = dfixed_const(1);
1021	wm->consumption_rate.full = dfixed_div(a, consumption_time);
1022
1023
1024	/* Determine line time
1025	 *  LineTime = total time for one line of displayhtotal
1026	 *  LineTime = total number of horizontal pixels
1027	 *  pclk = pixel clock period(ns)
1028	 */
1029	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1030	line_time.full = dfixed_mul(a, pclk);
1031
1032	/* Determine active time
1033	 *  ActiveTime = time of active region of display within one line,
1034	 *  hactive = total number of horizontal active pixels
1035	 *  htotal = total number of horizontal pixels
1036	 */
1037	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1038	b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1039	wm->active_time.full = dfixed_mul(line_time, b);
1040	wm->active_time.full = dfixed_div(wm->active_time, a);
1041
1042	/* Determine chunk time
1043	 * ChunkTime = the time it takes the DCP to send one chunk of data
1044	 * to the LB which consists of pipeline delay and inter chunk gap
1045	 * sclk = system clock(Mhz)
1046	 */
1047	a.full = dfixed_const(600 * 1000);
1048	chunk_time.full = dfixed_div(a, sclk);
1049	read_delay_latency.full = dfixed_const(1000);
1050
1051	/* Determine the worst case latency
1052	 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
1053	 * WorstCaseLatency = worst case time from urgent to when the MC starts
1054	 *                    to return data
1055	 * READ_DELAY_IDLE_MAX = constant of 1us
1056	 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
1057	 *             which consists of pipeline delay and inter chunk gap
1058	 */
1059	if (dfixed_trunc(wm->num_line_pair) > 1) {
1060		a.full = dfixed_const(3);
1061		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
1062		wm->worst_case_latency.full += read_delay_latency.full;
1063	} else {
1064		wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
1065	}
1066
1067	/* Determine the tolerable latency
1068	 * TolerableLatency = Any given request has only 1 line time
1069	 *                    for the data to be returned
1070	 * LBRequestFifoDepth = Number of chunk requests the LB can
1071	 *                      put into the request FIFO for a display
1072	 *  LineTime = total time for one line of display
1073	 *  ChunkTime = the time it takes the DCP to send one chunk
1074	 *              of data to the LB which consists of
1075	 *  pipeline delay and inter chunk gap
1076	 */
1077	if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
1078		tolerable_latency.full = line_time.full;
1079	} else {
1080		tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
1081		tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
1082		tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
1083		tolerable_latency.full = line_time.full - tolerable_latency.full;
1084	}
1085	/* We assume worst case 32bits (4 bytes) */
1086	wm->dbpp.full = dfixed_const(2 * 16);
1087
1088	/* Determine the maximum priority mark
1089	 *  width = viewport width in pixels
1090	 */
1091	a.full = dfixed_const(16);
1092	wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1093	wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
1094	wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
1095
1096	/* Determine estimated width */
1097	estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
1098	estimated_width.full = dfixed_div(estimated_width, consumption_time);
1099	if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
1100		wm->priority_mark.full = wm->priority_mark_max.full;
1101	} else {
1102		a.full = dfixed_const(16);
1103		wm->priority_mark.full = dfixed_div(estimated_width, a);
1104		wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
1105		wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
1106	}
1107}
1108
1109static void rv515_compute_mode_priority(struct radeon_device *rdev,
1110					struct rv515_watermark *wm0,
1111					struct rv515_watermark *wm1,
1112					struct drm_display_mode *mode0,
1113					struct drm_display_mode *mode1,
1114					u32 *d1mode_priority_a_cnt,
1115					u32 *d2mode_priority_a_cnt)
1116{
1117	fixed20_12 priority_mark02, priority_mark12, fill_rate;
1118	fixed20_12 a, b;
1119
1120	*d1mode_priority_a_cnt = MODE_PRIORITY_OFF;
1121	*d2mode_priority_a_cnt = MODE_PRIORITY_OFF;
1122
1123	if (mode0 && mode1) {
1124		if (dfixed_trunc(wm0->dbpp) > 64)
1125			a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair);
1126		else
1127			a.full = wm0->num_line_pair.full;
1128		if (dfixed_trunc(wm1->dbpp) > 64)
1129			b.full = dfixed_div(wm1->dbpp, wm1->num_line_pair);
1130		else
1131			b.full = wm1->num_line_pair.full;
1132		a.full += b.full;
1133		fill_rate.full = dfixed_div(wm0->sclk, a);
1134		if (wm0->consumption_rate.full > fill_rate.full) {
1135			b.full = wm0->consumption_rate.full - fill_rate.full;
1136			b.full = dfixed_mul(b, wm0->active_time);
1137			a.full = dfixed_const(16);
1138			b.full = dfixed_div(b, a);
1139			a.full = dfixed_mul(wm0->worst_case_latency,
1140						wm0->consumption_rate);
1141			priority_mark02.full = a.full + b.full;
1142		} else {
1143			a.full = dfixed_mul(wm0->worst_case_latency,
1144						wm0->consumption_rate);
1145			b.full = dfixed_const(16 * 1000);
1146			priority_mark02.full = dfixed_div(a, b);
1147		}
1148		if (wm1->consumption_rate.full > fill_rate.full) {
1149			b.full = wm1->consumption_rate.full - fill_rate.full;
1150			b.full = dfixed_mul(b, wm1->active_time);
1151			a.full = dfixed_const(16);
1152			b.full = dfixed_div(b, a);
1153			a.full = dfixed_mul(wm1->worst_case_latency,
1154						wm1->consumption_rate);
1155			priority_mark12.full = a.full + b.full;
1156		} else {
1157			a.full = dfixed_mul(wm1->worst_case_latency,
1158						wm1->consumption_rate);
1159			b.full = dfixed_const(16 * 1000);
1160			priority_mark12.full = dfixed_div(a, b);
1161		}
1162		if (wm0->priority_mark.full > priority_mark02.full)
1163			priority_mark02.full = wm0->priority_mark.full;
1164		if (wm0->priority_mark_max.full > priority_mark02.full)
1165			priority_mark02.full = wm0->priority_mark_max.full;
1166		if (wm1->priority_mark.full > priority_mark12.full)
1167			priority_mark12.full = wm1->priority_mark.full;
1168		if (wm1->priority_mark_max.full > priority_mark12.full)
1169			priority_mark12.full = wm1->priority_mark_max.full;
1170		*d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1171		*d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1172		if (rdev->disp_priority == 2) {
1173			*d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1174			*d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1175		}
1176	} else if (mode0) {
1177		if (dfixed_trunc(wm0->dbpp) > 64)
1178			a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair);
1179		else
1180			a.full = wm0->num_line_pair.full;
1181		fill_rate.full = dfixed_div(wm0->sclk, a);
1182		if (wm0->consumption_rate.full > fill_rate.full) {
1183			b.full = wm0->consumption_rate.full - fill_rate.full;
1184			b.full = dfixed_mul(b, wm0->active_time);
1185			a.full = dfixed_const(16);
1186			b.full = dfixed_div(b, a);
1187			a.full = dfixed_mul(wm0->worst_case_latency,
1188						wm0->consumption_rate);
1189			priority_mark02.full = a.full + b.full;
1190		} else {
1191			a.full = dfixed_mul(wm0->worst_case_latency,
1192						wm0->consumption_rate);
1193			b.full = dfixed_const(16);
1194			priority_mark02.full = dfixed_div(a, b);
1195		}
1196		if (wm0->priority_mark.full > priority_mark02.full)
1197			priority_mark02.full = wm0->priority_mark.full;
1198		if (wm0->priority_mark_max.full > priority_mark02.full)
1199			priority_mark02.full = wm0->priority_mark_max.full;
1200		*d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1201		if (rdev->disp_priority == 2)
1202			*d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1203	} else if (mode1) {
1204		if (dfixed_trunc(wm1->dbpp) > 64)
1205			a.full = dfixed_div(wm1->dbpp, wm1->num_line_pair);
1206		else
1207			a.full = wm1->num_line_pair.full;
1208		fill_rate.full = dfixed_div(wm1->sclk, a);
1209		if (wm1->consumption_rate.full > fill_rate.full) {
1210			b.full = wm1->consumption_rate.full - fill_rate.full;
1211			b.full = dfixed_mul(b, wm1->active_time);
1212			a.full = dfixed_const(16);
1213			b.full = dfixed_div(b, a);
1214			a.full = dfixed_mul(wm1->worst_case_latency,
1215						wm1->consumption_rate);
1216			priority_mark12.full = a.full + b.full;
1217		} else {
1218			a.full = dfixed_mul(wm1->worst_case_latency,
1219						wm1->consumption_rate);
1220			b.full = dfixed_const(16 * 1000);
1221			priority_mark12.full = dfixed_div(a, b);
1222		}
1223		if (wm1->priority_mark.full > priority_mark12.full)
1224			priority_mark12.full = wm1->priority_mark.full;
1225		if (wm1->priority_mark_max.full > priority_mark12.full)
1226			priority_mark12.full = wm1->priority_mark_max.full;
1227		*d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1228		if (rdev->disp_priority == 2)
1229			*d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1230	}
1231}
1232
1233void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
1234{
1235	struct drm_display_mode *mode0 = NULL;
1236	struct drm_display_mode *mode1 = NULL;
1237	struct rv515_watermark wm0_high, wm0_low;
1238	struct rv515_watermark wm1_high, wm1_low;
1239	u32 tmp;
1240	u32 d1mode_priority_a_cnt, d1mode_priority_b_cnt;
1241	u32 d2mode_priority_a_cnt, d2mode_priority_b_cnt;
1242
1243	if (rdev->mode_info.crtcs[0]->base.enabled)
1244		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1245	if (rdev->mode_info.crtcs[1]->base.enabled)
1246		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1247	rs690_line_buffer_adjust(rdev, mode0, mode1);
1248
1249	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_high, false);
1250	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_high, false);
1251
1252	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_low, false);
1253	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_low, false);
1254
1255	tmp = wm0_high.lb_request_fifo_depth;
1256	tmp |= wm1_high.lb_request_fifo_depth << 16;
1257	WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
1258
1259	rv515_compute_mode_priority(rdev,
1260				    &wm0_high, &wm1_high,
1261				    mode0, mode1,
1262				    &d1mode_priority_a_cnt, &d2mode_priority_a_cnt);
1263	rv515_compute_mode_priority(rdev,
1264				    &wm0_low, &wm1_low,
1265				    mode0, mode1,
1266				    &d1mode_priority_b_cnt, &d2mode_priority_b_cnt);
1267
1268	WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1269	WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_b_cnt);
1270	WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1271	WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_b_cnt);
1272}
1273
1274void rv515_bandwidth_update(struct radeon_device *rdev)
1275{
1276	uint32_t tmp;
1277	struct drm_display_mode *mode0 = NULL;
1278	struct drm_display_mode *mode1 = NULL;
1279
1280	if (!rdev->mode_info.mode_config_initialized)
1281		return;
1282
1283	radeon_update_display_priority(rdev);
1284
1285	if (rdev->mode_info.crtcs[0]->base.enabled)
1286		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1287	if (rdev->mode_info.crtcs[1]->base.enabled)
1288		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1289	/*
1290	 * Set display0/1 priority up in the memory controller for
1291	 * modes if the user specifies HIGH for displaypriority
1292	 * option.
1293	 */
1294	if ((rdev->disp_priority == 2) &&
1295	    (rdev->family == CHIP_RV515)) {
1296		tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1297		tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1298		tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1299		if (mode1)
1300			tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1301		if (mode0)
1302			tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1303		WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1304	}
1305	rv515_bandwidth_avivo_update(rdev);
1306}
1307