2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 * Authors: Dave Airlie
28 #include <linux/seq_file.h>
29 #include <linux/slab.h>
33 #include "radeon_asic.h"
35 #include "rv515_reg_safe.h"
37 /* This files gather functions specifics to: rv515 */
38 int rv515_debugfs_pipes_info_init(struct radeon_device
*rdev
);
39 int rv515_debugfs_ga_info_init(struct radeon_device
*rdev
);
40 void rv515_gpu_init(struct radeon_device
*rdev
);
41 int rv515_mc_wait_for_idle(struct radeon_device
*rdev
);
43 void rv515_debugfs(struct radeon_device
*rdev
)
45 if (r100_debugfs_rbbm_init(rdev
)) {
46 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
48 if (rv515_debugfs_pipes_info_init(rdev
)) {
49 DRM_ERROR("Failed to register debugfs file for pipes !\n");
51 if (rv515_debugfs_ga_info_init(rdev
)) {
52 DRM_ERROR("Failed to register debugfs file for pipes !\n");
56 void rv515_ring_start(struct radeon_device
*rdev
, struct radeon_ring
*ring
)
60 r
= radeon_ring_lock(rdev
, ring
, 64);
64 radeon_ring_write(ring
, PACKET0(ISYNC_CNTL
, 0));
65 radeon_ring_write(ring
,
69 ISYNC_CPSCRATCH_IDLEGUI
);
70 radeon_ring_write(ring
, PACKET0(WAIT_UNTIL
, 0));
71 radeon_ring_write(ring
, WAIT_2D_IDLECLEAN
| WAIT_3D_IDLECLEAN
);
72 radeon_ring_write(ring
, PACKET0(R300_DST_PIPE_CONFIG
, 0));
73 radeon_ring_write(ring
, R300_PIPE_AUTO_CONFIG
);
74 radeon_ring_write(ring
, PACKET0(GB_SELECT
, 0));
75 radeon_ring_write(ring
, 0);
76 radeon_ring_write(ring
, PACKET0(GB_ENABLE
, 0));
77 radeon_ring_write(ring
, 0);
78 radeon_ring_write(ring
, PACKET0(R500_SU_REG_DEST
, 0));
79 radeon_ring_write(ring
, (1 << rdev
->num_gb_pipes
) - 1);
80 radeon_ring_write(ring
, PACKET0(VAP_INDEX_OFFSET
, 0));
81 radeon_ring_write(ring
, 0);
82 radeon_ring_write(ring
, PACKET0(RB3D_DSTCACHE_CTLSTAT
, 0));
83 radeon_ring_write(ring
, RB3D_DC_FLUSH
| RB3D_DC_FREE
);
84 radeon_ring_write(ring
, PACKET0(ZB_ZCACHE_CTLSTAT
, 0));
85 radeon_ring_write(ring
, ZC_FLUSH
| ZC_FREE
);
86 radeon_ring_write(ring
, PACKET0(WAIT_UNTIL
, 0));
87 radeon_ring_write(ring
, WAIT_2D_IDLECLEAN
| WAIT_3D_IDLECLEAN
);
88 radeon_ring_write(ring
, PACKET0(GB_AA_CONFIG
, 0));
89 radeon_ring_write(ring
, 0);
90 radeon_ring_write(ring
, PACKET0(RB3D_DSTCACHE_CTLSTAT
, 0));
91 radeon_ring_write(ring
, RB3D_DC_FLUSH
| RB3D_DC_FREE
);
92 radeon_ring_write(ring
, PACKET0(ZB_ZCACHE_CTLSTAT
, 0));
93 radeon_ring_write(ring
, ZC_FLUSH
| ZC_FREE
);
94 radeon_ring_write(ring
, PACKET0(GB_MSPOS0
, 0));
95 radeon_ring_write(ring
,
102 (6 << MSBD0_Y_SHIFT
) |
103 (6 << MSBD0_X_SHIFT
)));
104 radeon_ring_write(ring
, PACKET0(GB_MSPOS1
, 0));
105 radeon_ring_write(ring
,
106 ((6 << MS_X3_SHIFT
) |
112 (6 << MSBD1_SHIFT
)));
113 radeon_ring_write(ring
, PACKET0(GA_ENHANCE
, 0));
114 radeon_ring_write(ring
, GA_DEADLOCK_CNTL
| GA_FASTSYNC_CNTL
);
115 radeon_ring_write(ring
, PACKET0(GA_POLY_MODE
, 0));
116 radeon_ring_write(ring
, FRONT_PTYPE_TRIANGE
| BACK_PTYPE_TRIANGE
);
117 radeon_ring_write(ring
, PACKET0(GA_ROUND_MODE
, 0));
118 radeon_ring_write(ring
, GEOMETRY_ROUND_NEAREST
| COLOR_ROUND_NEAREST
);
119 radeon_ring_write(ring
, PACKET0(0x20C8, 0));
120 radeon_ring_write(ring
, 0);
121 radeon_ring_unlock_commit(rdev
, ring
);
124 int rv515_mc_wait_for_idle(struct radeon_device
*rdev
)
129 for (i
= 0; i
< rdev
->usec_timeout
; i
++) {
131 tmp
= RREG32_MC(MC_STATUS
);
132 if (tmp
& MC_STATUS_IDLE
) {
140 void rv515_vga_render_disable(struct radeon_device
*rdev
)
142 WREG32(R_000300_VGA_RENDER_CONTROL
,
143 RREG32(R_000300_VGA_RENDER_CONTROL
) & C_000300_VGA_VSTATUS_CNTL
);
146 void rv515_gpu_init(struct radeon_device
*rdev
)
148 unsigned pipe_select_current
, gb_pipe_select
, tmp
;
150 if (r100_gui_wait_for_idle(rdev
)) {
151 printk(KERN_WARNING
"Failed to wait GUI idle while "
152 "resetting GPU. Bad things might happen.\n");
154 rv515_vga_render_disable(rdev
);
155 r420_pipes_init(rdev
);
156 gb_pipe_select
= RREG32(R400_GB_PIPE_SELECT
);
157 tmp
= RREG32(R300_DST_PIPE_CONFIG
);
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 "resetting GPU. Bad things might happen.\n");
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");
172 static void rv515_vram_get_type(struct radeon_device
*rdev
)
176 rdev
->mc
.vram_width
= 128;
177 rdev
->mc
.vram_is_ddr
= true;
178 tmp
= RREG32_MC(RV515_MC_CNTL
) & MEM_NUM_CHANNELS_MASK
;
181 rdev
->mc
.vram_width
= 64;
184 rdev
->mc
.vram_width
= 128;
187 rdev
->mc
.vram_width
= 128;
192 void rv515_mc_init(struct radeon_device
*rdev
)
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
);
204 uint32_t rv515_mc_rreg(struct radeon_device
*rdev
, uint32_t reg
)
208 WREG32(MC_IND_INDEX
, 0x7f0000 | (reg
& 0xffff));
209 r
= RREG32(MC_IND_DATA
);
210 WREG32(MC_IND_INDEX
, 0);
214 void rv515_mc_wreg(struct radeon_device
*rdev
, uint32_t reg
, uint32_t v
)
216 WREG32(MC_IND_INDEX
, 0xff0000 | ((reg
) & 0xffff));
217 WREG32(MC_IND_DATA
, (v
));
218 WREG32(MC_IND_INDEX
, 0);
221 #if defined(CONFIG_DEBUG_FS)
222 static int rv515_debugfs_pipes_info(struct seq_file
*m
, void *data
)
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
;
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
);
240 static int rv515_debugfs_ga_info(struct seq_file
*m
, void *data
)
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
;
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
);
255 static struct drm_info_list rv515_pipes_info_list
[] = {
256 {"rv515_pipes_info", rv515_debugfs_pipes_info
, 0, NULL
},
259 static struct drm_info_list rv515_ga_info_list
[] = {
260 {"rv515_ga_info", rv515_debugfs_ga_info
, 0, NULL
},
264 int rv515_debugfs_pipes_info_init(struct radeon_device
*rdev
)
266 #if defined(CONFIG_DEBUG_FS)
267 return radeon_debugfs_add_files(rdev
, rv515_pipes_info_list
, 1);
273 int rv515_debugfs_ga_info_init(struct radeon_device
*rdev
)
275 #if defined(CONFIG_DEBUG_FS)
276 return radeon_debugfs_add_files(rdev
, rv515_ga_info_list
, 1);
282 void rv515_mc_stop(struct radeon_device
*rdev
, struct rv515_mc_save
*save
)
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
);
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);
304 void rv515_mc_resume(struct radeon_device
*rdev
, struct rv515_mc_save
*save
)
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
);
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
);
326 void rv515_mc_program(struct radeon_device
*rdev
)
328 struct rv515_mc_save save
;
330 /* Stops all mc clients */
331 rv515_mc_stop(rdev
, &save
);
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
)));
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);
357 rv515_mc_resume(rdev
, &save
);
360 void rv515_clock_startup(struct radeon_device
*rdev
)
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));
373 static int rv515_startup(struct radeon_device
*rdev
)
377 rv515_mc_program(rdev
);
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
);
390 /* allocate wb buffer */
391 r
= radeon_wb_init(rdev
);
395 r
= radeon_fence_driver_start_ring(rdev
, RADEON_RING_TYPE_GFX_INDEX
);
397 dev_err(rdev
->dev
, "failed initializing CP fences (%d).\n", r
);
403 rdev
->config
.r300
.hdp_cntl
= RREG32(RADEON_HOST_PATH_CNTL
);
405 r
= r100_cp_init(rdev
, 1024 * 1024);
407 dev_err(rdev
->dev
, "failed initializing CP (%d).\n", r
);
411 r
= radeon_ib_pool_start(rdev
);
415 r
= radeon_ib_test(rdev
, RADEON_RING_TYPE_GFX_INDEX
, &rdev
->ring
[RADEON_RING_TYPE_GFX_INDEX
]);
417 dev_err(rdev
->dev
, "failed testing IB (%d).\n", r
);
418 rdev
->accel_working
= false;
424 int rv515_resume(struct radeon_device
*rdev
)
428 /* Make sur GART are not working */
429 if (rdev
->flags
& RADEON_IS_PCIE
)
430 rv370_pcie_gart_disable(rdev
);
431 /* Resume clock before doing reset */
432 rv515_clock_startup(rdev
);
433 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
434 if (radeon_asic_reset(rdev
)) {
435 dev_warn(rdev
->dev
, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
436 RREG32(R_000E40_RBBM_STATUS
),
437 RREG32(R_0007C0_CP_STAT
));
440 atom_asic_init(rdev
->mode_info
.atom_context
);
441 /* Resume clock after posting */
442 rv515_clock_startup(rdev
);
443 /* Initialize surface registers */
444 radeon_surface_init(rdev
);
446 rdev
->accel_working
= true;
447 r
= rv515_startup(rdev
);
449 rdev
->accel_working
= false;
454 int rv515_suspend(struct radeon_device
*rdev
)
456 r100_cp_disable(rdev
);
457 radeon_wb_disable(rdev
);
458 rs600_irq_disable(rdev
);
459 if (rdev
->flags
& RADEON_IS_PCIE
)
460 rv370_pcie_gart_disable(rdev
);
464 void rv515_set_safe_registers(struct radeon_device
*rdev
)
466 rdev
->config
.r300
.reg_safe_bm
= rv515_reg_safe_bm
;
467 rdev
->config
.r300
.reg_safe_bm_size
= ARRAY_SIZE(rv515_reg_safe_bm
);
470 void rv515_fini(struct radeon_device
*rdev
)
473 radeon_wb_fini(rdev
);
475 radeon_gem_fini(rdev
);
476 rv370_pcie_gart_fini(rdev
);
477 radeon_agp_fini(rdev
);
478 radeon_irq_kms_fini(rdev
);
479 radeon_fence_driver_fini(rdev
);
480 radeon_bo_fini(rdev
);
481 radeon_atombios_fini(rdev
);
486 int rv515_init(struct radeon_device
*rdev
)
490 /* Initialize scratch registers */
491 radeon_scratch_init(rdev
);
492 /* Initialize surface registers */
493 radeon_surface_init(rdev
);
494 /* TODO: disable VGA need to use VGA request */
495 /* restore some register to sane defaults */
496 r100_restore_sanity(rdev
);
498 if (!radeon_get_bios(rdev
)) {
499 if (ASIC_IS_AVIVO(rdev
))
502 if (rdev
->is_atom_bios
) {
503 r
= radeon_atombios_init(rdev
);
507 dev_err(rdev
->dev
, "Expecting atombios for RV515 GPU\n");
510 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
511 if (radeon_asic_reset(rdev
)) {
513 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
514 RREG32(R_000E40_RBBM_STATUS
),
515 RREG32(R_0007C0_CP_STAT
));
517 /* check if cards are posted or not */
518 if (radeon_boot_test_post_card(rdev
) == false)
520 /* Initialize clocks */
521 radeon_get_clock_info(rdev
->ddev
);
523 if (rdev
->flags
& RADEON_IS_AGP
) {
524 r
= radeon_agp_init(rdev
);
526 radeon_agp_disable(rdev
);
529 /* initialize memory controller */
533 r
= radeon_fence_driver_init(rdev
);
536 r
= radeon_irq_kms_init(rdev
);
540 r
= radeon_bo_init(rdev
);
543 r
= rv370_pcie_gart_init(rdev
);
546 rv515_set_safe_registers(rdev
);
548 r
= radeon_ib_pool_init(rdev
);
549 rdev
->accel_working
= true;
551 dev_err(rdev
->dev
, "IB initialization failed (%d).\n", r
);
552 rdev
->accel_working
= false;
555 r
= rv515_startup(rdev
);
557 /* Somethings want wront with the accel init stop accel */
558 dev_err(rdev
->dev
, "Disabling GPU acceleration\n");
560 radeon_wb_fini(rdev
);
562 radeon_irq_kms_fini(rdev
);
563 rv370_pcie_gart_fini(rdev
);
564 radeon_agp_fini(rdev
);
565 rdev
->accel_working
= false;
570 void atom_rv515_force_tv_scaler(struct radeon_device
*rdev
, struct radeon_crtc
*crtc
)
572 int index_reg
= 0x6578 + crtc
->crtc_offset
;
573 int data_reg
= 0x657c + crtc
->crtc_offset
;
575 WREG32(0x659C + crtc
->crtc_offset
, 0x0);
576 WREG32(0x6594 + crtc
->crtc_offset
, 0x705);
577 WREG32(0x65A4 + crtc
->crtc_offset
, 0x10001);
578 WREG32(0x65D8 + crtc
->crtc_offset
, 0x0);
579 WREG32(0x65B0 + crtc
->crtc_offset
, 0x0);
580 WREG32(0x65C0 + crtc
->crtc_offset
, 0x0);
581 WREG32(0x65D4 + crtc
->crtc_offset
, 0x0);
582 WREG32(index_reg
, 0x0);
583 WREG32(data_reg
, 0x841880A8);
584 WREG32(index_reg
, 0x1);
585 WREG32(data_reg
, 0x84208680);
586 WREG32(index_reg
, 0x2);
587 WREG32(data_reg
, 0xBFF880B0);
588 WREG32(index_reg
, 0x100);
589 WREG32(data_reg
, 0x83D88088);
590 WREG32(index_reg
, 0x101);
591 WREG32(data_reg
, 0x84608680);
592 WREG32(index_reg
, 0x102);
593 WREG32(data_reg
, 0xBFF080D0);
594 WREG32(index_reg
, 0x200);
595 WREG32(data_reg
, 0x83988068);
596 WREG32(index_reg
, 0x201);
597 WREG32(data_reg
, 0x84A08680);
598 WREG32(index_reg
, 0x202);
599 WREG32(data_reg
, 0xBFF080F8);
600 WREG32(index_reg
, 0x300);
601 WREG32(data_reg
, 0x83588058);
602 WREG32(index_reg
, 0x301);
603 WREG32(data_reg
, 0x84E08660);
604 WREG32(index_reg
, 0x302);
605 WREG32(data_reg
, 0xBFF88120);
606 WREG32(index_reg
, 0x400);
607 WREG32(data_reg
, 0x83188040);
608 WREG32(index_reg
, 0x401);
609 WREG32(data_reg
, 0x85008660);
610 WREG32(index_reg
, 0x402);
611 WREG32(data_reg
, 0xBFF88150);
612 WREG32(index_reg
, 0x500);
613 WREG32(data_reg
, 0x82D88030);
614 WREG32(index_reg
, 0x501);
615 WREG32(data_reg
, 0x85408640);
616 WREG32(index_reg
, 0x502);
617 WREG32(data_reg
, 0xBFF88180);
618 WREG32(index_reg
, 0x600);
619 WREG32(data_reg
, 0x82A08018);
620 WREG32(index_reg
, 0x601);
621 WREG32(data_reg
, 0x85808620);
622 WREG32(index_reg
, 0x602);
623 WREG32(data_reg
, 0xBFF081B8);
624 WREG32(index_reg
, 0x700);
625 WREG32(data_reg
, 0x82608010);
626 WREG32(index_reg
, 0x701);
627 WREG32(data_reg
, 0x85A08600);
628 WREG32(index_reg
, 0x702);
629 WREG32(data_reg
, 0x800081F0);
630 WREG32(index_reg
, 0x800);
631 WREG32(data_reg
, 0x8228BFF8);
632 WREG32(index_reg
, 0x801);
633 WREG32(data_reg
, 0x85E085E0);
634 WREG32(index_reg
, 0x802);
635 WREG32(data_reg
, 0xBFF88228);
636 WREG32(index_reg
, 0x10000);
637 WREG32(data_reg
, 0x82A8BF00);
638 WREG32(index_reg
, 0x10001);
639 WREG32(data_reg
, 0x82A08CC0);
640 WREG32(index_reg
, 0x10002);
641 WREG32(data_reg
, 0x8008BEF8);
642 WREG32(index_reg
, 0x10100);
643 WREG32(data_reg
, 0x81F0BF28);
644 WREG32(index_reg
, 0x10101);
645 WREG32(data_reg
, 0x83608CA0);
646 WREG32(index_reg
, 0x10102);
647 WREG32(data_reg
, 0x8018BED0);
648 WREG32(index_reg
, 0x10200);
649 WREG32(data_reg
, 0x8148BF38);
650 WREG32(index_reg
, 0x10201);
651 WREG32(data_reg
, 0x84408C80);
652 WREG32(index_reg
, 0x10202);
653 WREG32(data_reg
, 0x8008BEB8);
654 WREG32(index_reg
, 0x10300);
655 WREG32(data_reg
, 0x80B0BF78);
656 WREG32(index_reg
, 0x10301);
657 WREG32(data_reg
, 0x85008C20);
658 WREG32(index_reg
, 0x10302);
659 WREG32(data_reg
, 0x8020BEA0);
660 WREG32(index_reg
, 0x10400);
661 WREG32(data_reg
, 0x8028BF90);
662 WREG32(index_reg
, 0x10401);
663 WREG32(data_reg
, 0x85E08BC0);
664 WREG32(index_reg
, 0x10402);
665 WREG32(data_reg
, 0x8018BE90);
666 WREG32(index_reg
, 0x10500);
667 WREG32(data_reg
, 0xBFB8BFB0);
668 WREG32(index_reg
, 0x10501);
669 WREG32(data_reg
, 0x86C08B40);
670 WREG32(index_reg
, 0x10502);
671 WREG32(data_reg
, 0x8010BE90);
672 WREG32(index_reg
, 0x10600);
673 WREG32(data_reg
, 0xBF58BFC8);
674 WREG32(index_reg
, 0x10601);
675 WREG32(data_reg
, 0x87A08AA0);
676 WREG32(index_reg
, 0x10602);
677 WREG32(data_reg
, 0x8010BE98);
678 WREG32(index_reg
, 0x10700);
679 WREG32(data_reg
, 0xBF10BFF0);
680 WREG32(index_reg
, 0x10701);
681 WREG32(data_reg
, 0x886089E0);
682 WREG32(index_reg
, 0x10702);
683 WREG32(data_reg
, 0x8018BEB0);
684 WREG32(index_reg
, 0x10800);
685 WREG32(data_reg
, 0xBED8BFE8);
686 WREG32(index_reg
, 0x10801);
687 WREG32(data_reg
, 0x89408940);
688 WREG32(index_reg
, 0x10802);
689 WREG32(data_reg
, 0xBFE8BED8);
690 WREG32(index_reg
, 0x20000);
691 WREG32(data_reg
, 0x80008000);
692 WREG32(index_reg
, 0x20001);
693 WREG32(data_reg
, 0x90008000);
694 WREG32(index_reg
, 0x20002);
695 WREG32(data_reg
, 0x80008000);
696 WREG32(index_reg
, 0x20003);
697 WREG32(data_reg
, 0x80008000);
698 WREG32(index_reg
, 0x20100);
699 WREG32(data_reg
, 0x80108000);
700 WREG32(index_reg
, 0x20101);
701 WREG32(data_reg
, 0x8FE0BF70);
702 WREG32(index_reg
, 0x20102);
703 WREG32(data_reg
, 0xBFE880C0);
704 WREG32(index_reg
, 0x20103);
705 WREG32(data_reg
, 0x80008000);
706 WREG32(index_reg
, 0x20200);
707 WREG32(data_reg
, 0x8018BFF8);
708 WREG32(index_reg
, 0x20201);
709 WREG32(data_reg
, 0x8F80BF08);
710 WREG32(index_reg
, 0x20202);
711 WREG32(data_reg
, 0xBFD081A0);
712 WREG32(index_reg
, 0x20203);
713 WREG32(data_reg
, 0xBFF88000);
714 WREG32(index_reg
, 0x20300);
715 WREG32(data_reg
, 0x80188000);
716 WREG32(index_reg
, 0x20301);
717 WREG32(data_reg
, 0x8EE0BEC0);
718 WREG32(index_reg
, 0x20302);
719 WREG32(data_reg
, 0xBFB082A0);
720 WREG32(index_reg
, 0x20303);
721 WREG32(data_reg
, 0x80008000);
722 WREG32(index_reg
, 0x20400);
723 WREG32(data_reg
, 0x80188000);
724 WREG32(index_reg
, 0x20401);
725 WREG32(data_reg
, 0x8E00BEA0);
726 WREG32(index_reg
, 0x20402);
727 WREG32(data_reg
, 0xBF8883C0);
728 WREG32(index_reg
, 0x20403);
729 WREG32(data_reg
, 0x80008000);
730 WREG32(index_reg
, 0x20500);
731 WREG32(data_reg
, 0x80188000);
732 WREG32(index_reg
, 0x20501);
733 WREG32(data_reg
, 0x8D00BE90);
734 WREG32(index_reg
, 0x20502);
735 WREG32(data_reg
, 0xBF588500);
736 WREG32(index_reg
, 0x20503);
737 WREG32(data_reg
, 0x80008008);
738 WREG32(index_reg
, 0x20600);
739 WREG32(data_reg
, 0x80188000);
740 WREG32(index_reg
, 0x20601);
741 WREG32(data_reg
, 0x8BC0BE98);
742 WREG32(index_reg
, 0x20602);
743 WREG32(data_reg
, 0xBF308660);
744 WREG32(index_reg
, 0x20603);
745 WREG32(data_reg
, 0x80008008);
746 WREG32(index_reg
, 0x20700);
747 WREG32(data_reg
, 0x80108000);
748 WREG32(index_reg
, 0x20701);
749 WREG32(data_reg
, 0x8A80BEB0);
750 WREG32(index_reg
, 0x20702);
751 WREG32(data_reg
, 0xBF0087C0);
752 WREG32(index_reg
, 0x20703);
753 WREG32(data_reg
, 0x80008008);
754 WREG32(index_reg
, 0x20800);
755 WREG32(data_reg
, 0x80108000);
756 WREG32(index_reg
, 0x20801);
757 WREG32(data_reg
, 0x8920BED0);
758 WREG32(index_reg
, 0x20802);
759 WREG32(data_reg
, 0xBED08920);
760 WREG32(index_reg
, 0x20803);
761 WREG32(data_reg
, 0x80008010);
762 WREG32(index_reg
, 0x30000);
763 WREG32(data_reg
, 0x90008000);
764 WREG32(index_reg
, 0x30001);
765 WREG32(data_reg
, 0x80008000);
766 WREG32(index_reg
, 0x30100);
767 WREG32(data_reg
, 0x8FE0BF90);
768 WREG32(index_reg
, 0x30101);
769 WREG32(data_reg
, 0xBFF880A0);
770 WREG32(index_reg
, 0x30200);
771 WREG32(data_reg
, 0x8F60BF40);
772 WREG32(index_reg
, 0x30201);
773 WREG32(data_reg
, 0xBFE88180);
774 WREG32(index_reg
, 0x30300);
775 WREG32(data_reg
, 0x8EC0BF00);
776 WREG32(index_reg
, 0x30301);
777 WREG32(data_reg
, 0xBFC88280);
778 WREG32(index_reg
, 0x30400);
779 WREG32(data_reg
, 0x8DE0BEE0);
780 WREG32(index_reg
, 0x30401);
781 WREG32(data_reg
, 0xBFA083A0);
782 WREG32(index_reg
, 0x30500);
783 WREG32(data_reg
, 0x8CE0BED0);
784 WREG32(index_reg
, 0x30501);
785 WREG32(data_reg
, 0xBF7884E0);
786 WREG32(index_reg
, 0x30600);
787 WREG32(data_reg
, 0x8BA0BED8);
788 WREG32(index_reg
, 0x30601);
789 WREG32(data_reg
, 0xBF508640);
790 WREG32(index_reg
, 0x30700);
791 WREG32(data_reg
, 0x8A60BEE8);
792 WREG32(index_reg
, 0x30701);
793 WREG32(data_reg
, 0xBF2087A0);
794 WREG32(index_reg
, 0x30800);
795 WREG32(data_reg
, 0x8900BF00);
796 WREG32(index_reg
, 0x30801);
797 WREG32(data_reg
, 0xBF008900);
800 struct rv515_watermark
{
801 u32 lb_request_fifo_depth
;
802 fixed20_12 num_line_pair
;
803 fixed20_12 estimated_width
;
804 fixed20_12 worst_case_latency
;
805 fixed20_12 consumption_rate
;
806 fixed20_12 active_time
;
808 fixed20_12 priority_mark_max
;
809 fixed20_12 priority_mark
;
813 void rv515_crtc_bandwidth_compute(struct radeon_device
*rdev
,
814 struct radeon_crtc
*crtc
,
815 struct rv515_watermark
*wm
)
817 struct drm_display_mode
*mode
= &crtc
->base
.mode
;
819 fixed20_12 pclk
, request_fifo_depth
, tolerable_latency
, estimated_width
;
820 fixed20_12 consumption_time
, line_time
, chunk_time
, read_delay_latency
;
822 if (!crtc
->base
.enabled
) {
823 /* FIXME: wouldn't it better to set priority mark to maximum */
824 wm
->lb_request_fifo_depth
= 4;
828 if (crtc
->vsc
.full
> dfixed_const(2))
829 wm
->num_line_pair
.full
= dfixed_const(2);
831 wm
->num_line_pair
.full
= dfixed_const(1);
833 b
.full
= dfixed_const(mode
->crtc_hdisplay
);
834 c
.full
= dfixed_const(256);
835 a
.full
= dfixed_div(b
, c
);
836 request_fifo_depth
.full
= dfixed_mul(a
, wm
->num_line_pair
);
837 request_fifo_depth
.full
= dfixed_ceil(request_fifo_depth
);
838 if (a
.full
< dfixed_const(4)) {
839 wm
->lb_request_fifo_depth
= 4;
841 wm
->lb_request_fifo_depth
= dfixed_trunc(request_fifo_depth
);
844 /* Determine consumption rate
845 * pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
846 * vtaps = number of vertical taps,
847 * vsc = vertical scaling ratio, defined as source/destination
848 * hsc = horizontal scaling ration, defined as source/destination
850 a
.full
= dfixed_const(mode
->clock
);
851 b
.full
= dfixed_const(1000);
852 a
.full
= dfixed_div(a
, b
);
853 pclk
.full
= dfixed_div(b
, a
);
854 if (crtc
->rmx_type
!= RMX_OFF
) {
855 b
.full
= dfixed_const(2);
856 if (crtc
->vsc
.full
> b
.full
)
857 b
.full
= crtc
->vsc
.full
;
858 b
.full
= dfixed_mul(b
, crtc
->hsc
);
859 c
.full
= dfixed_const(2);
860 b
.full
= dfixed_div(b
, c
);
861 consumption_time
.full
= dfixed_div(pclk
, b
);
863 consumption_time
.full
= pclk
.full
;
865 a
.full
= dfixed_const(1);
866 wm
->consumption_rate
.full
= dfixed_div(a
, consumption_time
);
869 /* Determine line time
870 * LineTime = total time for one line of displayhtotal
871 * LineTime = total number of horizontal pixels
872 * pclk = pixel clock period(ns)
874 a
.full
= dfixed_const(crtc
->base
.mode
.crtc_htotal
);
875 line_time
.full
= dfixed_mul(a
, pclk
);
877 /* Determine active time
878 * ActiveTime = time of active region of display within one line,
879 * hactive = total number of horizontal active pixels
880 * htotal = total number of horizontal pixels
882 a
.full
= dfixed_const(crtc
->base
.mode
.crtc_htotal
);
883 b
.full
= dfixed_const(crtc
->base
.mode
.crtc_hdisplay
);
884 wm
->active_time
.full
= dfixed_mul(line_time
, b
);
885 wm
->active_time
.full
= dfixed_div(wm
->active_time
, a
);
887 /* Determine chunk time
888 * ChunkTime = the time it takes the DCP to send one chunk of data
889 * to the LB which consists of pipeline delay and inter chunk gap
890 * sclk = system clock(Mhz)
892 a
.full
= dfixed_const(600 * 1000);
893 chunk_time
.full
= dfixed_div(a
, rdev
->pm
.sclk
);
894 read_delay_latency
.full
= dfixed_const(1000);
896 /* Determine the worst case latency
897 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
898 * WorstCaseLatency = worst case time from urgent to when the MC starts
900 * READ_DELAY_IDLE_MAX = constant of 1us
901 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
902 * which consists of pipeline delay and inter chunk gap
904 if (dfixed_trunc(wm
->num_line_pair
) > 1) {
905 a
.full
= dfixed_const(3);
906 wm
->worst_case_latency
.full
= dfixed_mul(a
, chunk_time
);
907 wm
->worst_case_latency
.full
+= read_delay_latency
.full
;
909 wm
->worst_case_latency
.full
= chunk_time
.full
+ read_delay_latency
.full
;
912 /* Determine the tolerable latency
913 * TolerableLatency = Any given request has only 1 line time
914 * for the data to be returned
915 * LBRequestFifoDepth = Number of chunk requests the LB can
916 * put into the request FIFO for a display
917 * LineTime = total time for one line of display
918 * ChunkTime = the time it takes the DCP to send one chunk
919 * of data to the LB which consists of
920 * pipeline delay and inter chunk gap
922 if ((2+wm
->lb_request_fifo_depth
) >= dfixed_trunc(request_fifo_depth
)) {
923 tolerable_latency
.full
= line_time
.full
;
925 tolerable_latency
.full
= dfixed_const(wm
->lb_request_fifo_depth
- 2);
926 tolerable_latency
.full
= request_fifo_depth
.full
- tolerable_latency
.full
;
927 tolerable_latency
.full
= dfixed_mul(tolerable_latency
, chunk_time
);
928 tolerable_latency
.full
= line_time
.full
- tolerable_latency
.full
;
930 /* We assume worst case 32bits (4 bytes) */
931 wm
->dbpp
.full
= dfixed_const(2 * 16);
933 /* Determine the maximum priority mark
934 * width = viewport width in pixels
936 a
.full
= dfixed_const(16);
937 wm
->priority_mark_max
.full
= dfixed_const(crtc
->base
.mode
.crtc_hdisplay
);
938 wm
->priority_mark_max
.full
= dfixed_div(wm
->priority_mark_max
, a
);
939 wm
->priority_mark_max
.full
= dfixed_ceil(wm
->priority_mark_max
);
941 /* Determine estimated width */
942 estimated_width
.full
= tolerable_latency
.full
- wm
->worst_case_latency
.full
;
943 estimated_width
.full
= dfixed_div(estimated_width
, consumption_time
);
944 if (dfixed_trunc(estimated_width
) > crtc
->base
.mode
.crtc_hdisplay
) {
945 wm
->priority_mark
.full
= wm
->priority_mark_max
.full
;
947 a
.full
= dfixed_const(16);
948 wm
->priority_mark
.full
= dfixed_div(estimated_width
, a
);
949 wm
->priority_mark
.full
= dfixed_ceil(wm
->priority_mark
);
950 wm
->priority_mark
.full
= wm
->priority_mark_max
.full
- wm
->priority_mark
.full
;
954 void rv515_bandwidth_avivo_update(struct radeon_device
*rdev
)
956 struct drm_display_mode
*mode0
= NULL
;
957 struct drm_display_mode
*mode1
= NULL
;
958 struct rv515_watermark wm0
;
959 struct rv515_watermark wm1
;
961 u32 d1mode_priority_a_cnt
= MODE_PRIORITY_OFF
;
962 u32 d2mode_priority_a_cnt
= MODE_PRIORITY_OFF
;
963 fixed20_12 priority_mark02
, priority_mark12
, fill_rate
;
966 if (rdev
->mode_info
.crtcs
[0]->base
.enabled
)
967 mode0
= &rdev
->mode_info
.crtcs
[0]->base
.mode
;
968 if (rdev
->mode_info
.crtcs
[1]->base
.enabled
)
969 mode1
= &rdev
->mode_info
.crtcs
[1]->base
.mode
;
970 rs690_line_buffer_adjust(rdev
, mode0
, mode1
);
972 rv515_crtc_bandwidth_compute(rdev
, rdev
->mode_info
.crtcs
[0], &wm0
);
973 rv515_crtc_bandwidth_compute(rdev
, rdev
->mode_info
.crtcs
[1], &wm1
);
975 tmp
= wm0
.lb_request_fifo_depth
;
976 tmp
|= wm1
.lb_request_fifo_depth
<< 16;
977 WREG32(LB_MAX_REQ_OUTSTANDING
, tmp
);
979 if (mode0
&& mode1
) {
980 if (dfixed_trunc(wm0
.dbpp
) > 64)
981 a
.full
= dfixed_div(wm0
.dbpp
, wm0
.num_line_pair
);
983 a
.full
= wm0
.num_line_pair
.full
;
984 if (dfixed_trunc(wm1
.dbpp
) > 64)
985 b
.full
= dfixed_div(wm1
.dbpp
, wm1
.num_line_pair
);
987 b
.full
= wm1
.num_line_pair
.full
;
989 fill_rate
.full
= dfixed_div(wm0
.sclk
, a
);
990 if (wm0
.consumption_rate
.full
> fill_rate
.full
) {
991 b
.full
= wm0
.consumption_rate
.full
- fill_rate
.full
;
992 b
.full
= dfixed_mul(b
, wm0
.active_time
);
993 a
.full
= dfixed_const(16);
994 b
.full
= dfixed_div(b
, a
);
995 a
.full
= dfixed_mul(wm0
.worst_case_latency
,
996 wm0
.consumption_rate
);
997 priority_mark02
.full
= a
.full
+ b
.full
;
999 a
.full
= dfixed_mul(wm0
.worst_case_latency
,
1000 wm0
.consumption_rate
);
1001 b
.full
= dfixed_const(16 * 1000);
1002 priority_mark02
.full
= dfixed_div(a
, b
);
1004 if (wm1
.consumption_rate
.full
> fill_rate
.full
) {
1005 b
.full
= wm1
.consumption_rate
.full
- fill_rate
.full
;
1006 b
.full
= dfixed_mul(b
, wm1
.active_time
);
1007 a
.full
= dfixed_const(16);
1008 b
.full
= dfixed_div(b
, a
);
1009 a
.full
= dfixed_mul(wm1
.worst_case_latency
,
1010 wm1
.consumption_rate
);
1011 priority_mark12
.full
= a
.full
+ b
.full
;
1013 a
.full
= dfixed_mul(wm1
.worst_case_latency
,
1014 wm1
.consumption_rate
);
1015 b
.full
= dfixed_const(16 * 1000);
1016 priority_mark12
.full
= dfixed_div(a
, b
);
1018 if (wm0
.priority_mark
.full
> priority_mark02
.full
)
1019 priority_mark02
.full
= wm0
.priority_mark
.full
;
1020 if (dfixed_trunc(priority_mark02
) < 0)
1021 priority_mark02
.full
= 0;
1022 if (wm0
.priority_mark_max
.full
> priority_mark02
.full
)
1023 priority_mark02
.full
= wm0
.priority_mark_max
.full
;
1024 if (wm1
.priority_mark
.full
> priority_mark12
.full
)
1025 priority_mark12
.full
= wm1
.priority_mark
.full
;
1026 if (dfixed_trunc(priority_mark12
) < 0)
1027 priority_mark12
.full
= 0;
1028 if (wm1
.priority_mark_max
.full
> priority_mark12
.full
)
1029 priority_mark12
.full
= wm1
.priority_mark_max
.full
;
1030 d1mode_priority_a_cnt
= dfixed_trunc(priority_mark02
);
1031 d2mode_priority_a_cnt
= dfixed_trunc(priority_mark12
);
1032 if (rdev
->disp_priority
== 2) {
1033 d1mode_priority_a_cnt
|= MODE_PRIORITY_ALWAYS_ON
;
1034 d2mode_priority_a_cnt
|= MODE_PRIORITY_ALWAYS_ON
;
1037 if (dfixed_trunc(wm0
.dbpp
) > 64)
1038 a
.full
= dfixed_div(wm0
.dbpp
, wm0
.num_line_pair
);
1040 a
.full
= wm0
.num_line_pair
.full
;
1041 fill_rate
.full
= dfixed_div(wm0
.sclk
, a
);
1042 if (wm0
.consumption_rate
.full
> fill_rate
.full
) {
1043 b
.full
= wm0
.consumption_rate
.full
- fill_rate
.full
;
1044 b
.full
= dfixed_mul(b
, wm0
.active_time
);
1045 a
.full
= dfixed_const(16);
1046 b
.full
= dfixed_div(b
, a
);
1047 a
.full
= dfixed_mul(wm0
.worst_case_latency
,
1048 wm0
.consumption_rate
);
1049 priority_mark02
.full
= a
.full
+ b
.full
;
1051 a
.full
= dfixed_mul(wm0
.worst_case_latency
,
1052 wm0
.consumption_rate
);
1053 b
.full
= dfixed_const(16);
1054 priority_mark02
.full
= dfixed_div(a
, b
);
1056 if (wm0
.priority_mark
.full
> priority_mark02
.full
)
1057 priority_mark02
.full
= wm0
.priority_mark
.full
;
1058 if (dfixed_trunc(priority_mark02
) < 0)
1059 priority_mark02
.full
= 0;
1060 if (wm0
.priority_mark_max
.full
> priority_mark02
.full
)
1061 priority_mark02
.full
= wm0
.priority_mark_max
.full
;
1062 d1mode_priority_a_cnt
= dfixed_trunc(priority_mark02
);
1063 if (rdev
->disp_priority
== 2)
1064 d1mode_priority_a_cnt
|= MODE_PRIORITY_ALWAYS_ON
;
1066 if (dfixed_trunc(wm1
.dbpp
) > 64)
1067 a
.full
= dfixed_div(wm1
.dbpp
, wm1
.num_line_pair
);
1069 a
.full
= wm1
.num_line_pair
.full
;
1070 fill_rate
.full
= dfixed_div(wm1
.sclk
, a
);
1071 if (wm1
.consumption_rate
.full
> fill_rate
.full
) {
1072 b
.full
= wm1
.consumption_rate
.full
- fill_rate
.full
;
1073 b
.full
= dfixed_mul(b
, wm1
.active_time
);
1074 a
.full
= dfixed_const(16);
1075 b
.full
= dfixed_div(b
, a
);
1076 a
.full
= dfixed_mul(wm1
.worst_case_latency
,
1077 wm1
.consumption_rate
);
1078 priority_mark12
.full
= a
.full
+ b
.full
;
1080 a
.full
= dfixed_mul(wm1
.worst_case_latency
,
1081 wm1
.consumption_rate
);
1082 b
.full
= dfixed_const(16 * 1000);
1083 priority_mark12
.full
= dfixed_div(a
, b
);
1085 if (wm1
.priority_mark
.full
> priority_mark12
.full
)
1086 priority_mark12
.full
= wm1
.priority_mark
.full
;
1087 if (dfixed_trunc(priority_mark12
) < 0)
1088 priority_mark12
.full
= 0;
1089 if (wm1
.priority_mark_max
.full
> priority_mark12
.full
)
1090 priority_mark12
.full
= wm1
.priority_mark_max
.full
;
1091 d2mode_priority_a_cnt
= dfixed_trunc(priority_mark12
);
1092 if (rdev
->disp_priority
== 2)
1093 d2mode_priority_a_cnt
|= MODE_PRIORITY_ALWAYS_ON
;
1096 WREG32(D1MODE_PRIORITY_A_CNT
, d1mode_priority_a_cnt
);
1097 WREG32(D1MODE_PRIORITY_B_CNT
, d1mode_priority_a_cnt
);
1098 WREG32(D2MODE_PRIORITY_A_CNT
, d2mode_priority_a_cnt
);
1099 WREG32(D2MODE_PRIORITY_B_CNT
, d2mode_priority_a_cnt
);
1102 void rv515_bandwidth_update(struct radeon_device
*rdev
)
1105 struct drm_display_mode
*mode0
= NULL
;
1106 struct drm_display_mode
*mode1
= NULL
;
1108 radeon_update_display_priority(rdev
);
1110 if (rdev
->mode_info
.crtcs
[0]->base
.enabled
)
1111 mode0
= &rdev
->mode_info
.crtcs
[0]->base
.mode
;
1112 if (rdev
->mode_info
.crtcs
[1]->base
.enabled
)
1113 mode1
= &rdev
->mode_info
.crtcs
[1]->base
.mode
;
1115 * Set display0/1 priority up in the memory controller for
1116 * modes if the user specifies HIGH for displaypriority
1119 if ((rdev
->disp_priority
== 2) &&
1120 (rdev
->family
== CHIP_RV515
)) {
1121 tmp
= RREG32_MC(MC_MISC_LAT_TIMER
);
1122 tmp
&= ~MC_DISP1R_INIT_LAT_MASK
;
1123 tmp
&= ~MC_DISP0R_INIT_LAT_MASK
;
1125 tmp
|= (1 << MC_DISP1R_INIT_LAT_SHIFT
);
1127 tmp
|= (1 << MC_DISP0R_INIT_LAT_SHIFT
);
1128 WREG32_MC(MC_MISC_LAT_TIMER
, tmp
);
1130 rv515_bandwidth_avivo_update(rdev
);