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 */
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);
42 
rv515_debugfs(struct radeon_device * rdev)43 void 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 
rv515_ring_start(struct radeon_device * rdev)56 void rv515_ring_start(struct radeon_device *rdev)
57 {
58 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
59 	int r;
60 
61 	r = radeon_ring_lock(rdev, ring, 64);
62 	if (r) {
63 		return;
64 	}
65 	radeon_ring_write(ring, PACKET0(ISYNC_CNTL, 0));
66 	radeon_ring_write(ring,
67 			  ISYNC_ANY2D_IDLE3D |
68 			  ISYNC_ANY3D_IDLE2D |
69 			  ISYNC_WAIT_IDLEGUI |
70 			  ISYNC_CPSCRATCH_IDLEGUI);
71 	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
72 	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
73 	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
74 	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
75 	radeon_ring_write(ring, PACKET0(GB_SELECT, 0));
76 	radeon_ring_write(ring, 0);
77 	radeon_ring_write(ring, PACKET0(GB_ENABLE, 0));
78 	radeon_ring_write(ring, 0);
79 	radeon_ring_write(ring, PACKET0(R500_SU_REG_DEST, 0));
80 	radeon_ring_write(ring, (1 << rdev->num_gb_pipes) - 1);
81 	radeon_ring_write(ring, PACKET0(VAP_INDEX_OFFSET, 0));
82 	radeon_ring_write(ring, 0);
83 	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
84 	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
85 	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
86 	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
87 	radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
88 	radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
89 	radeon_ring_write(ring, PACKET0(GB_AA_CONFIG, 0));
90 	radeon_ring_write(ring, 0);
91 	radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
92 	radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
93 	radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
94 	radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
95 	radeon_ring_write(ring, PACKET0(GB_MSPOS0, 0));
96 	radeon_ring_write(ring,
97 			  ((6 << MS_X0_SHIFT) |
98 			   (6 << MS_Y0_SHIFT) |
99 			   (6 << MS_X1_SHIFT) |
100 			   (6 << MS_Y1_SHIFT) |
101 			   (6 << MS_X2_SHIFT) |
102 			   (6 << MS_Y2_SHIFT) |
103 			   (6 << MSBD0_Y_SHIFT) |
104 			   (6 << MSBD0_X_SHIFT)));
105 	radeon_ring_write(ring, PACKET0(GB_MSPOS1, 0));
106 	radeon_ring_write(ring,
107 			  ((6 << MS_X3_SHIFT) |
108 			   (6 << MS_Y3_SHIFT) |
109 			   (6 << MS_X4_SHIFT) |
110 			   (6 << MS_Y4_SHIFT) |
111 			   (6 << MS_X5_SHIFT) |
112 			   (6 << MS_Y5_SHIFT) |
113 			   (6 << MSBD1_SHIFT)));
114 	radeon_ring_write(ring, PACKET0(GA_ENHANCE, 0));
115 	radeon_ring_write(ring, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
116 	radeon_ring_write(ring, PACKET0(GA_POLY_MODE, 0));
117 	radeon_ring_write(ring, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
118 	radeon_ring_write(ring, PACKET0(GA_ROUND_MODE, 0));
119 	radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
120 	radeon_ring_write(ring, PACKET0(0x20C8, 0));
121 	radeon_ring_write(ring, 0);
122 	radeon_ring_unlock_commit(rdev, ring);
123 }
124 
rv515_mc_wait_for_idle(struct radeon_device * rdev)125 int rv515_mc_wait_for_idle(struct radeon_device *rdev)
126 {
127 	unsigned i;
128 	uint32_t tmp;
129 
130 	for (i = 0; i < rdev->usec_timeout; i++) {
131 		/* read MC_STATUS */
132 		tmp = RREG32_MC(MC_STATUS);
133 		if (tmp & MC_STATUS_IDLE) {
134 			return 0;
135 		}
136 		DRM_UDELAY(1);
137 	}
138 	return -1;
139 }
140 
rv515_vga_render_disable(struct radeon_device * rdev)141 void rv515_vga_render_disable(struct radeon_device *rdev)
142 {
143 	WREG32(R_000300_VGA_RENDER_CONTROL,
144 		RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
145 }
146 
rv515_gpu_init(struct radeon_device * rdev)147 void rv515_gpu_init(struct radeon_device *rdev)
148 {
149 	unsigned pipe_select_current, gb_pipe_select, tmp;
150 
151 	if (r100_gui_wait_for_idle(rdev)) {
152 		printk(KERN_WARNING "Failed to wait GUI idle while "
153 		       "reseting GPU. Bad things might happen.\n");
154 	}
155 	rv515_vga_render_disable(rdev);
156 	r420_pipes_init(rdev);
157 	gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
158 	tmp = RREG32(R300_DST_PIPE_CONFIG);
159 	pipe_select_current = (tmp >> 2) & 3;
160 	tmp = (1 << pipe_select_current) |
161 	      (((gb_pipe_select >> 8) & 0xF) << 4);
162 	WREG32_PLL(0x000D, tmp);
163 	if (r100_gui_wait_for_idle(rdev)) {
164 		printk(KERN_WARNING "Failed to wait GUI idle while "
165 		       "reseting GPU. Bad things might happen.\n");
166 	}
167 	if (rv515_mc_wait_for_idle(rdev)) {
168 		printk(KERN_WARNING "Failed to wait MC idle while "
169 		       "programming pipes. Bad things might happen.\n");
170 	}
171 }
172 
rv515_vram_get_type(struct radeon_device * rdev)173 static void rv515_vram_get_type(struct radeon_device *rdev)
174 {
175 	uint32_t tmp;
176 
177 	rdev->mc.vram_width = 128;
178 	rdev->mc.vram_is_ddr = true;
179 	tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
180 	switch (tmp) {
181 	case 0:
182 		rdev->mc.vram_width = 64;
183 		break;
184 	case 1:
185 		rdev->mc.vram_width = 128;
186 		break;
187 	default:
188 		rdev->mc.vram_width = 128;
189 		break;
190 	}
191 }
192 
rv515_mc_init(struct radeon_device * rdev)193 void rv515_mc_init(struct radeon_device *rdev)
194 {
195 
196 	rv515_vram_get_type(rdev);
197 	r100_vram_init_sizes(rdev);
198 	radeon_vram_location(rdev, &rdev->mc, 0);
199 	rdev->mc.gtt_base_align = 0;
200 	if (!(rdev->flags & RADEON_IS_AGP))
201 		radeon_gtt_location(rdev, &rdev->mc);
202 	radeon_update_bandwidth_info(rdev);
203 }
204 
rv515_mc_rreg(struct radeon_device * rdev,uint32_t reg)205 uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
206 {
207 	uint32_t r;
208 
209 	WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
210 	r = RREG32(MC_IND_DATA);
211 	WREG32(MC_IND_INDEX, 0);
212 	return r;
213 }
214 
rv515_mc_wreg(struct radeon_device * rdev,uint32_t reg,uint32_t v)215 void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
216 {
217 	WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
218 	WREG32(MC_IND_DATA, (v));
219 	WREG32(MC_IND_INDEX, 0);
220 }
221 
222 #if defined(CONFIG_DEBUG_FS)
rv515_debugfs_pipes_info(struct seq_file * m,void * data)223 static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
224 {
225 	struct drm_info_node *node = (struct drm_info_node *) m->private;
226 	struct drm_device *dev = node->minor->dev;
227 	struct radeon_device *rdev = dev->dev_private;
228 	uint32_t tmp;
229 
230 	tmp = RREG32(GB_PIPE_SELECT);
231 	seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
232 	tmp = RREG32(SU_REG_DEST);
233 	seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
234 	tmp = RREG32(GB_TILE_CONFIG);
235 	seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
236 	tmp = RREG32(DST_PIPE_CONFIG);
237 	seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
238 	return 0;
239 }
240 
rv515_debugfs_ga_info(struct seq_file * m,void * data)241 static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
242 {
243 	struct drm_info_node *node = (struct drm_info_node *) m->private;
244 	struct drm_device *dev = node->minor->dev;
245 	struct radeon_device *rdev = dev->dev_private;
246 	uint32_t tmp;
247 
248 	tmp = RREG32(0x2140);
249 	seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
250 	radeon_asic_reset(rdev);
251 	tmp = RREG32(0x425C);
252 	seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
253 	return 0;
254 }
255 
256 static struct drm_info_list rv515_pipes_info_list[] = {
257 	{"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
258 };
259 
260 static struct drm_info_list rv515_ga_info_list[] = {
261 	{"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
262 };
263 #endif
264 
rv515_debugfs_pipes_info_init(struct radeon_device * rdev)265 int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
266 {
267 #if defined(CONFIG_DEBUG_FS)
268 	return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
269 #else
270 	return 0;
271 #endif
272 }
273 
rv515_debugfs_ga_info_init(struct radeon_device * rdev)274 int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
275 {
276 #if defined(CONFIG_DEBUG_FS)
277 	return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
278 #else
279 	return 0;
280 #endif
281 }
282 
rv515_mc_stop(struct radeon_device * rdev,struct rv515_mc_save * save)283 void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
284 {
285 	save->d1vga_control = RREG32(R_000330_D1VGA_CONTROL);
286 	save->d2vga_control = RREG32(R_000338_D2VGA_CONTROL);
287 	save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
288 	save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
289 	save->d1crtc_control = RREG32(R_006080_D1CRTC_CONTROL);
290 	save->d2crtc_control = RREG32(R_006880_D2CRTC_CONTROL);
291 
292 	/* Stop all video */
293 	WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
294 	WREG32(R_000300_VGA_RENDER_CONTROL, 0);
295 	WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
296 	WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
297 	WREG32(R_006080_D1CRTC_CONTROL, 0);
298 	WREG32(R_006880_D2CRTC_CONTROL, 0);
299 	WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
300 	WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
301 	WREG32(R_000330_D1VGA_CONTROL, 0);
302 	WREG32(R_000338_D2VGA_CONTROL, 0);
303 }
304 
rv515_mc_resume(struct radeon_device * rdev,struct rv515_mc_save * save)305 void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
306 {
307 	WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
308 	WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
309 	WREG32(R_006910_D2GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
310 	WREG32(R_006918_D2GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
311 	WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, rdev->mc.vram_start);
312 	/* Unlock host access */
313 	WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
314 	mdelay(1);
315 	/* Restore video state */
316 	WREG32(R_000330_D1VGA_CONTROL, save->d1vga_control);
317 	WREG32(R_000338_D2VGA_CONTROL, save->d2vga_control);
318 	WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
319 	WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
320 	WREG32(R_006080_D1CRTC_CONTROL, save->d1crtc_control);
321 	WREG32(R_006880_D2CRTC_CONTROL, save->d2crtc_control);
322 	WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
323 	WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
324 	WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
325 }
326 
rv515_mc_program(struct radeon_device * rdev)327 void rv515_mc_program(struct radeon_device *rdev)
328 {
329 	struct rv515_mc_save save;
330 
331 	/* Stops all mc clients */
332 	rv515_mc_stop(rdev, &save);
333 
334 	/* Wait for mc idle */
335 	if (rv515_mc_wait_for_idle(rdev))
336 		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
337 	/* Write VRAM size in case we are limiting it */
338 	WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
339 	/* Program MC, should be a 32bits limited address space */
340 	WREG32_MC(R_000001_MC_FB_LOCATION,
341 			S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
342 			S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
343 	WREG32(R_000134_HDP_FB_LOCATION,
344 		S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
345 	if (rdev->flags & RADEON_IS_AGP) {
346 		WREG32_MC(R_000002_MC_AGP_LOCATION,
347 			S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
348 			S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
349 		WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
350 		WREG32_MC(R_000004_MC_AGP_BASE_2,
351 			S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
352 	} else {
353 		WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
354 		WREG32_MC(R_000003_MC_AGP_BASE, 0);
355 		WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
356 	}
357 
358 	rv515_mc_resume(rdev, &save);
359 }
360 
rv515_clock_startup(struct radeon_device * rdev)361 void rv515_clock_startup(struct radeon_device *rdev)
362 {
363 	if (radeon_dynclks != -1 && radeon_dynclks)
364 		radeon_atom_set_clock_gating(rdev, 1);
365 	/* We need to force on some of the block */
366 	WREG32_PLL(R_00000F_CP_DYN_CNTL,
367 		RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
368 	WREG32_PLL(R_000011_E2_DYN_CNTL,
369 		RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
370 	WREG32_PLL(R_000013_IDCT_DYN_CNTL,
371 		RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
372 }
373 
rv515_startup(struct radeon_device * rdev)374 static int rv515_startup(struct radeon_device *rdev)
375 {
376 	int r;
377 
378 	rv515_mc_program(rdev);
379 	/* Resume clock */
380 	rv515_clock_startup(rdev);
381 	/* Initialize GPU configuration (# pipes, ...) */
382 	rv515_gpu_init(rdev);
383 	/* Initialize GART (initialize after TTM so we can allocate
384 	 * memory through TTM but finalize after TTM) */
385 	if (rdev->flags & RADEON_IS_PCIE) {
386 		r = rv370_pcie_gart_enable(rdev);
387 		if (r)
388 			return r;
389 	}
390 
391 	/* allocate wb buffer */
392 	r = radeon_wb_init(rdev);
393 	if (r)
394 		return r;
395 
396 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
397 	if (r) {
398 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
399 		return r;
400 	}
401 
402 	/* Enable IRQ */
403 	rs600_irq_set(rdev);
404 	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
405 	/* 1M ring buffer */
406 	r = r100_cp_init(rdev, 1024 * 1024);
407 	if (r) {
408 		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
409 		return r;
410 	}
411 
412 	r = radeon_ib_pool_start(rdev);
413 	if (r)
414 		return r;
415 
416 	r = r100_ib_test(rdev);
417 	if (r) {
418 		dev_err(rdev->dev, "failed testing IB (%d).\n", r);
419 		rdev->accel_working = false;
420 		return r;
421 	}
422 	return 0;
423 }
424 
rv515_resume(struct radeon_device * rdev)425 int rv515_resume(struct radeon_device *rdev)
426 {
427 	int r;
428 
429 	/* Make sur GART are not working */
430 	if (rdev->flags & RADEON_IS_PCIE)
431 		rv370_pcie_gart_disable(rdev);
432 	/* Resume clock before doing reset */
433 	rv515_clock_startup(rdev);
434 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
435 	if (radeon_asic_reset(rdev)) {
436 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
437 			RREG32(R_000E40_RBBM_STATUS),
438 			RREG32(R_0007C0_CP_STAT));
439 	}
440 	/* post */
441 	atom_asic_init(rdev->mode_info.atom_context);
442 	/* Resume clock after posting */
443 	rv515_clock_startup(rdev);
444 	/* Initialize surface registers */
445 	radeon_surface_init(rdev);
446 
447 	rdev->accel_working = true;
448 	r =  rv515_startup(rdev);
449 	if (r) {
450 		rdev->accel_working = false;
451 	}
452 	return r;
453 }
454 
rv515_suspend(struct radeon_device * rdev)455 int rv515_suspend(struct radeon_device *rdev)
456 {
457 	r100_cp_disable(rdev);
458 	radeon_wb_disable(rdev);
459 	rs600_irq_disable(rdev);
460 	if (rdev->flags & RADEON_IS_PCIE)
461 		rv370_pcie_gart_disable(rdev);
462 	return 0;
463 }
464 
rv515_set_safe_registers(struct radeon_device * rdev)465 void rv515_set_safe_registers(struct radeon_device *rdev)
466 {
467 	rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
468 	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
469 }
470 
rv515_fini(struct radeon_device * rdev)471 void rv515_fini(struct radeon_device *rdev)
472 {
473 	r100_cp_fini(rdev);
474 	radeon_wb_fini(rdev);
475 	r100_ib_fini(rdev);
476 	radeon_gem_fini(rdev);
477 	rv370_pcie_gart_fini(rdev);
478 	radeon_agp_fini(rdev);
479 	radeon_irq_kms_fini(rdev);
480 	radeon_fence_driver_fini(rdev);
481 	radeon_bo_fini(rdev);
482 	radeon_atombios_fini(rdev);
483 	kfree(rdev->bios);
484 	rdev->bios = NULL;
485 }
486 
rv515_init(struct radeon_device * rdev)487 int rv515_init(struct radeon_device *rdev)
488 {
489 	int r;
490 
491 	/* Initialize scratch registers */
492 	radeon_scratch_init(rdev);
493 	/* Initialize surface registers */
494 	radeon_surface_init(rdev);
495 	/* TODO: disable VGA need to use VGA request */
496 	/* restore some register to sane defaults */
497 	r100_restore_sanity(rdev);
498 	/* BIOS*/
499 	if (!radeon_get_bios(rdev)) {
500 		if (ASIC_IS_AVIVO(rdev))
501 			return -EINVAL;
502 	}
503 	if (rdev->is_atom_bios) {
504 		r = radeon_atombios_init(rdev);
505 		if (r)
506 			return r;
507 	} else {
508 		dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
509 		return -EINVAL;
510 	}
511 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
512 	if (radeon_asic_reset(rdev)) {
513 		dev_warn(rdev->dev,
514 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
515 			RREG32(R_000E40_RBBM_STATUS),
516 			RREG32(R_0007C0_CP_STAT));
517 	}
518 	/* check if cards are posted or not */
519 	if (radeon_boot_test_post_card(rdev) == false)
520 		return -EINVAL;
521 	/* Initialize clocks */
522 	radeon_get_clock_info(rdev->ddev);
523 	/* initialize AGP */
524 	if (rdev->flags & RADEON_IS_AGP) {
525 		r = radeon_agp_init(rdev);
526 		if (r) {
527 			radeon_agp_disable(rdev);
528 		}
529 	}
530 	/* initialize memory controller */
531 	rv515_mc_init(rdev);
532 	rv515_debugfs(rdev);
533 	/* Fence driver */
534 	r = radeon_fence_driver_init(rdev);
535 	if (r)
536 		return r;
537 	r = radeon_irq_kms_init(rdev);
538 	if (r)
539 		return r;
540 	/* Memory manager */
541 	r = radeon_bo_init(rdev);
542 	if (r)
543 		return r;
544 	r = rv370_pcie_gart_init(rdev);
545 	if (r)
546 		return r;
547 	rv515_set_safe_registers(rdev);
548 
549 	r = radeon_ib_pool_init(rdev);
550 	rdev->accel_working = true;
551 	if (r) {
552 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
553 		rdev->accel_working = false;
554 	}
555 
556 	r = rv515_startup(rdev);
557 	if (r) {
558 		/* Somethings want wront with the accel init stop accel */
559 		dev_err(rdev->dev, "Disabling GPU acceleration\n");
560 		r100_cp_fini(rdev);
561 		radeon_wb_fini(rdev);
562 		r100_ib_fini(rdev);
563 		radeon_irq_kms_fini(rdev);
564 		rv370_pcie_gart_fini(rdev);
565 		radeon_agp_fini(rdev);
566 		rdev->accel_working = false;
567 	}
568 	return 0;
569 }
570 
atom_rv515_force_tv_scaler(struct radeon_device * rdev,struct radeon_crtc * crtc)571 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
572 {
573 	int index_reg = 0x6578 + crtc->crtc_offset;
574 	int data_reg = 0x657c + crtc->crtc_offset;
575 
576 	WREG32(0x659C + crtc->crtc_offset, 0x0);
577 	WREG32(0x6594 + crtc->crtc_offset, 0x705);
578 	WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
579 	WREG32(0x65D8 + crtc->crtc_offset, 0x0);
580 	WREG32(0x65B0 + crtc->crtc_offset, 0x0);
581 	WREG32(0x65C0 + crtc->crtc_offset, 0x0);
582 	WREG32(0x65D4 + crtc->crtc_offset, 0x0);
583 	WREG32(index_reg, 0x0);
584 	WREG32(data_reg, 0x841880A8);
585 	WREG32(index_reg, 0x1);
586 	WREG32(data_reg, 0x84208680);
587 	WREG32(index_reg, 0x2);
588 	WREG32(data_reg, 0xBFF880B0);
589 	WREG32(index_reg, 0x100);
590 	WREG32(data_reg, 0x83D88088);
591 	WREG32(index_reg, 0x101);
592 	WREG32(data_reg, 0x84608680);
593 	WREG32(index_reg, 0x102);
594 	WREG32(data_reg, 0xBFF080D0);
595 	WREG32(index_reg, 0x200);
596 	WREG32(data_reg, 0x83988068);
597 	WREG32(index_reg, 0x201);
598 	WREG32(data_reg, 0x84A08680);
599 	WREG32(index_reg, 0x202);
600 	WREG32(data_reg, 0xBFF080F8);
601 	WREG32(index_reg, 0x300);
602 	WREG32(data_reg, 0x83588058);
603 	WREG32(index_reg, 0x301);
604 	WREG32(data_reg, 0x84E08660);
605 	WREG32(index_reg, 0x302);
606 	WREG32(data_reg, 0xBFF88120);
607 	WREG32(index_reg, 0x400);
608 	WREG32(data_reg, 0x83188040);
609 	WREG32(index_reg, 0x401);
610 	WREG32(data_reg, 0x85008660);
611 	WREG32(index_reg, 0x402);
612 	WREG32(data_reg, 0xBFF88150);
613 	WREG32(index_reg, 0x500);
614 	WREG32(data_reg, 0x82D88030);
615 	WREG32(index_reg, 0x501);
616 	WREG32(data_reg, 0x85408640);
617 	WREG32(index_reg, 0x502);
618 	WREG32(data_reg, 0xBFF88180);
619 	WREG32(index_reg, 0x600);
620 	WREG32(data_reg, 0x82A08018);
621 	WREG32(index_reg, 0x601);
622 	WREG32(data_reg, 0x85808620);
623 	WREG32(index_reg, 0x602);
624 	WREG32(data_reg, 0xBFF081B8);
625 	WREG32(index_reg, 0x700);
626 	WREG32(data_reg, 0x82608010);
627 	WREG32(index_reg, 0x701);
628 	WREG32(data_reg, 0x85A08600);
629 	WREG32(index_reg, 0x702);
630 	WREG32(data_reg, 0x800081F0);
631 	WREG32(index_reg, 0x800);
632 	WREG32(data_reg, 0x8228BFF8);
633 	WREG32(index_reg, 0x801);
634 	WREG32(data_reg, 0x85E085E0);
635 	WREG32(index_reg, 0x802);
636 	WREG32(data_reg, 0xBFF88228);
637 	WREG32(index_reg, 0x10000);
638 	WREG32(data_reg, 0x82A8BF00);
639 	WREG32(index_reg, 0x10001);
640 	WREG32(data_reg, 0x82A08CC0);
641 	WREG32(index_reg, 0x10002);
642 	WREG32(data_reg, 0x8008BEF8);
643 	WREG32(index_reg, 0x10100);
644 	WREG32(data_reg, 0x81F0BF28);
645 	WREG32(index_reg, 0x10101);
646 	WREG32(data_reg, 0x83608CA0);
647 	WREG32(index_reg, 0x10102);
648 	WREG32(data_reg, 0x8018BED0);
649 	WREG32(index_reg, 0x10200);
650 	WREG32(data_reg, 0x8148BF38);
651 	WREG32(index_reg, 0x10201);
652 	WREG32(data_reg, 0x84408C80);
653 	WREG32(index_reg, 0x10202);
654 	WREG32(data_reg, 0x8008BEB8);
655 	WREG32(index_reg, 0x10300);
656 	WREG32(data_reg, 0x80B0BF78);
657 	WREG32(index_reg, 0x10301);
658 	WREG32(data_reg, 0x85008C20);
659 	WREG32(index_reg, 0x10302);
660 	WREG32(data_reg, 0x8020BEA0);
661 	WREG32(index_reg, 0x10400);
662 	WREG32(data_reg, 0x8028BF90);
663 	WREG32(index_reg, 0x10401);
664 	WREG32(data_reg, 0x85E08BC0);
665 	WREG32(index_reg, 0x10402);
666 	WREG32(data_reg, 0x8018BE90);
667 	WREG32(index_reg, 0x10500);
668 	WREG32(data_reg, 0xBFB8BFB0);
669 	WREG32(index_reg, 0x10501);
670 	WREG32(data_reg, 0x86C08B40);
671 	WREG32(index_reg, 0x10502);
672 	WREG32(data_reg, 0x8010BE90);
673 	WREG32(index_reg, 0x10600);
674 	WREG32(data_reg, 0xBF58BFC8);
675 	WREG32(index_reg, 0x10601);
676 	WREG32(data_reg, 0x87A08AA0);
677 	WREG32(index_reg, 0x10602);
678 	WREG32(data_reg, 0x8010BE98);
679 	WREG32(index_reg, 0x10700);
680 	WREG32(data_reg, 0xBF10BFF0);
681 	WREG32(index_reg, 0x10701);
682 	WREG32(data_reg, 0x886089E0);
683 	WREG32(index_reg, 0x10702);
684 	WREG32(data_reg, 0x8018BEB0);
685 	WREG32(index_reg, 0x10800);
686 	WREG32(data_reg, 0xBED8BFE8);
687 	WREG32(index_reg, 0x10801);
688 	WREG32(data_reg, 0x89408940);
689 	WREG32(index_reg, 0x10802);
690 	WREG32(data_reg, 0xBFE8BED8);
691 	WREG32(index_reg, 0x20000);
692 	WREG32(data_reg, 0x80008000);
693 	WREG32(index_reg, 0x20001);
694 	WREG32(data_reg, 0x90008000);
695 	WREG32(index_reg, 0x20002);
696 	WREG32(data_reg, 0x80008000);
697 	WREG32(index_reg, 0x20003);
698 	WREG32(data_reg, 0x80008000);
699 	WREG32(index_reg, 0x20100);
700 	WREG32(data_reg, 0x80108000);
701 	WREG32(index_reg, 0x20101);
702 	WREG32(data_reg, 0x8FE0BF70);
703 	WREG32(index_reg, 0x20102);
704 	WREG32(data_reg, 0xBFE880C0);
705 	WREG32(index_reg, 0x20103);
706 	WREG32(data_reg, 0x80008000);
707 	WREG32(index_reg, 0x20200);
708 	WREG32(data_reg, 0x8018BFF8);
709 	WREG32(index_reg, 0x20201);
710 	WREG32(data_reg, 0x8F80BF08);
711 	WREG32(index_reg, 0x20202);
712 	WREG32(data_reg, 0xBFD081A0);
713 	WREG32(index_reg, 0x20203);
714 	WREG32(data_reg, 0xBFF88000);
715 	WREG32(index_reg, 0x20300);
716 	WREG32(data_reg, 0x80188000);
717 	WREG32(index_reg, 0x20301);
718 	WREG32(data_reg, 0x8EE0BEC0);
719 	WREG32(index_reg, 0x20302);
720 	WREG32(data_reg, 0xBFB082A0);
721 	WREG32(index_reg, 0x20303);
722 	WREG32(data_reg, 0x80008000);
723 	WREG32(index_reg, 0x20400);
724 	WREG32(data_reg, 0x80188000);
725 	WREG32(index_reg, 0x20401);
726 	WREG32(data_reg, 0x8E00BEA0);
727 	WREG32(index_reg, 0x20402);
728 	WREG32(data_reg, 0xBF8883C0);
729 	WREG32(index_reg, 0x20403);
730 	WREG32(data_reg, 0x80008000);
731 	WREG32(index_reg, 0x20500);
732 	WREG32(data_reg, 0x80188000);
733 	WREG32(index_reg, 0x20501);
734 	WREG32(data_reg, 0x8D00BE90);
735 	WREG32(index_reg, 0x20502);
736 	WREG32(data_reg, 0xBF588500);
737 	WREG32(index_reg, 0x20503);
738 	WREG32(data_reg, 0x80008008);
739 	WREG32(index_reg, 0x20600);
740 	WREG32(data_reg, 0x80188000);
741 	WREG32(index_reg, 0x20601);
742 	WREG32(data_reg, 0x8BC0BE98);
743 	WREG32(index_reg, 0x20602);
744 	WREG32(data_reg, 0xBF308660);
745 	WREG32(index_reg, 0x20603);
746 	WREG32(data_reg, 0x80008008);
747 	WREG32(index_reg, 0x20700);
748 	WREG32(data_reg, 0x80108000);
749 	WREG32(index_reg, 0x20701);
750 	WREG32(data_reg, 0x8A80BEB0);
751 	WREG32(index_reg, 0x20702);
752 	WREG32(data_reg, 0xBF0087C0);
753 	WREG32(index_reg, 0x20703);
754 	WREG32(data_reg, 0x80008008);
755 	WREG32(index_reg, 0x20800);
756 	WREG32(data_reg, 0x80108000);
757 	WREG32(index_reg, 0x20801);
758 	WREG32(data_reg, 0x8920BED0);
759 	WREG32(index_reg, 0x20802);
760 	WREG32(data_reg, 0xBED08920);
761 	WREG32(index_reg, 0x20803);
762 	WREG32(data_reg, 0x80008010);
763 	WREG32(index_reg, 0x30000);
764 	WREG32(data_reg, 0x90008000);
765 	WREG32(index_reg, 0x30001);
766 	WREG32(data_reg, 0x80008000);
767 	WREG32(index_reg, 0x30100);
768 	WREG32(data_reg, 0x8FE0BF90);
769 	WREG32(index_reg, 0x30101);
770 	WREG32(data_reg, 0xBFF880A0);
771 	WREG32(index_reg, 0x30200);
772 	WREG32(data_reg, 0x8F60BF40);
773 	WREG32(index_reg, 0x30201);
774 	WREG32(data_reg, 0xBFE88180);
775 	WREG32(index_reg, 0x30300);
776 	WREG32(data_reg, 0x8EC0BF00);
777 	WREG32(index_reg, 0x30301);
778 	WREG32(data_reg, 0xBFC88280);
779 	WREG32(index_reg, 0x30400);
780 	WREG32(data_reg, 0x8DE0BEE0);
781 	WREG32(index_reg, 0x30401);
782 	WREG32(data_reg, 0xBFA083A0);
783 	WREG32(index_reg, 0x30500);
784 	WREG32(data_reg, 0x8CE0BED0);
785 	WREG32(index_reg, 0x30501);
786 	WREG32(data_reg, 0xBF7884E0);
787 	WREG32(index_reg, 0x30600);
788 	WREG32(data_reg, 0x8BA0BED8);
789 	WREG32(index_reg, 0x30601);
790 	WREG32(data_reg, 0xBF508640);
791 	WREG32(index_reg, 0x30700);
792 	WREG32(data_reg, 0x8A60BEE8);
793 	WREG32(index_reg, 0x30701);
794 	WREG32(data_reg, 0xBF2087A0);
795 	WREG32(index_reg, 0x30800);
796 	WREG32(data_reg, 0x8900BF00);
797 	WREG32(index_reg, 0x30801);
798 	WREG32(data_reg, 0xBF008900);
799 }
800 
801 struct rv515_watermark {
802 	u32        lb_request_fifo_depth;
803 	fixed20_12 num_line_pair;
804 	fixed20_12 estimated_width;
805 	fixed20_12 worst_case_latency;
806 	fixed20_12 consumption_rate;
807 	fixed20_12 active_time;
808 	fixed20_12 dbpp;
809 	fixed20_12 priority_mark_max;
810 	fixed20_12 priority_mark;
811 	fixed20_12 sclk;
812 };
813 
rv515_crtc_bandwidth_compute(struct radeon_device * rdev,struct radeon_crtc * crtc,struct rv515_watermark * wm)814 void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
815 				  struct radeon_crtc *crtc,
816 				  struct rv515_watermark *wm)
817 {
818 	struct drm_display_mode *mode = &crtc->base.mode;
819 	fixed20_12 a, b, c;
820 	fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
821 	fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
822 
823 	if (!crtc->base.enabled) {
824 		/* FIXME: wouldn't it better to set priority mark to maximum */
825 		wm->lb_request_fifo_depth = 4;
826 		return;
827 	}
828 
829 	if (crtc->vsc.full > dfixed_const(2))
830 		wm->num_line_pair.full = dfixed_const(2);
831 	else
832 		wm->num_line_pair.full = dfixed_const(1);
833 
834 	b.full = dfixed_const(mode->crtc_hdisplay);
835 	c.full = dfixed_const(256);
836 	a.full = dfixed_div(b, c);
837 	request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
838 	request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
839 	if (a.full < dfixed_const(4)) {
840 		wm->lb_request_fifo_depth = 4;
841 	} else {
842 		wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
843 	}
844 
845 	/* Determine consumption rate
846 	 *  pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
847 	 *  vtaps = number of vertical taps,
848 	 *  vsc = vertical scaling ratio, defined as source/destination
849 	 *  hsc = horizontal scaling ration, defined as source/destination
850 	 */
851 	a.full = dfixed_const(mode->clock);
852 	b.full = dfixed_const(1000);
853 	a.full = dfixed_div(a, b);
854 	pclk.full = dfixed_div(b, a);
855 	if (crtc->rmx_type != RMX_OFF) {
856 		b.full = dfixed_const(2);
857 		if (crtc->vsc.full > b.full)
858 			b.full = crtc->vsc.full;
859 		b.full = dfixed_mul(b, crtc->hsc);
860 		c.full = dfixed_const(2);
861 		b.full = dfixed_div(b, c);
862 		consumption_time.full = dfixed_div(pclk, b);
863 	} else {
864 		consumption_time.full = pclk.full;
865 	}
866 	a.full = dfixed_const(1);
867 	wm->consumption_rate.full = dfixed_div(a, consumption_time);
868 
869 
870 	/* Determine line time
871 	 *  LineTime = total time for one line of displayhtotal
872 	 *  LineTime = total number of horizontal pixels
873 	 *  pclk = pixel clock period(ns)
874 	 */
875 	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
876 	line_time.full = dfixed_mul(a, pclk);
877 
878 	/* Determine active time
879 	 *  ActiveTime = time of active region of display within one line,
880 	 *  hactive = total number of horizontal active pixels
881 	 *  htotal = total number of horizontal pixels
882 	 */
883 	a.full = dfixed_const(crtc->base.mode.crtc_htotal);
884 	b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
885 	wm->active_time.full = dfixed_mul(line_time, b);
886 	wm->active_time.full = dfixed_div(wm->active_time, a);
887 
888 	/* Determine chunk time
889 	 * ChunkTime = the time it takes the DCP to send one chunk of data
890 	 * to the LB which consists of pipeline delay and inter chunk gap
891 	 * sclk = system clock(Mhz)
892 	 */
893 	a.full = dfixed_const(600 * 1000);
894 	chunk_time.full = dfixed_div(a, rdev->pm.sclk);
895 	read_delay_latency.full = dfixed_const(1000);
896 
897 	/* Determine the worst case latency
898 	 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
899 	 * WorstCaseLatency = worst case time from urgent to when the MC starts
900 	 *                    to return data
901 	 * READ_DELAY_IDLE_MAX = constant of 1us
902 	 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
903 	 *             which consists of pipeline delay and inter chunk gap
904 	 */
905 	if (dfixed_trunc(wm->num_line_pair) > 1) {
906 		a.full = dfixed_const(3);
907 		wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
908 		wm->worst_case_latency.full += read_delay_latency.full;
909 	} else {
910 		wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
911 	}
912 
913 	/* Determine the tolerable latency
914 	 * TolerableLatency = Any given request has only 1 line time
915 	 *                    for the data to be returned
916 	 * LBRequestFifoDepth = Number of chunk requests the LB can
917 	 *                      put into the request FIFO for a display
918 	 *  LineTime = total time for one line of display
919 	 *  ChunkTime = the time it takes the DCP to send one chunk
920 	 *              of data to the LB which consists of
921 	 *  pipeline delay and inter chunk gap
922 	 */
923 	if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
924 		tolerable_latency.full = line_time.full;
925 	} else {
926 		tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
927 		tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
928 		tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
929 		tolerable_latency.full = line_time.full - tolerable_latency.full;
930 	}
931 	/* We assume worst case 32bits (4 bytes) */
932 	wm->dbpp.full = dfixed_const(2 * 16);
933 
934 	/* Determine the maximum priority mark
935 	 *  width = viewport width in pixels
936 	 */
937 	a.full = dfixed_const(16);
938 	wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
939 	wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
940 	wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
941 
942 	/* Determine estimated width */
943 	estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
944 	estimated_width.full = dfixed_div(estimated_width, consumption_time);
945 	if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
946 		wm->priority_mark.full = wm->priority_mark_max.full;
947 	} else {
948 		a.full = dfixed_const(16);
949 		wm->priority_mark.full = dfixed_div(estimated_width, a);
950 		wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
951 		wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
952 	}
953 }
954 
rv515_bandwidth_avivo_update(struct radeon_device * rdev)955 void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
956 {
957 	struct drm_display_mode *mode0 = NULL;
958 	struct drm_display_mode *mode1 = NULL;
959 	struct rv515_watermark wm0;
960 	struct rv515_watermark wm1;
961 	u32 tmp;
962 	u32 d1mode_priority_a_cnt = MODE_PRIORITY_OFF;
963 	u32 d2mode_priority_a_cnt = MODE_PRIORITY_OFF;
964 	fixed20_12 priority_mark02, priority_mark12, fill_rate;
965 	fixed20_12 a, b;
966 
967 	if (rdev->mode_info.crtcs[0]->base.enabled)
968 		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
969 	if (rdev->mode_info.crtcs[1]->base.enabled)
970 		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
971 	rs690_line_buffer_adjust(rdev, mode0, mode1);
972 
973 	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0);
974 	rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1);
975 
976 	tmp = wm0.lb_request_fifo_depth;
977 	tmp |= wm1.lb_request_fifo_depth << 16;
978 	WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
979 
980 	if (mode0 && mode1) {
981 		if (dfixed_trunc(wm0.dbpp) > 64)
982 			a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
983 		else
984 			a.full = wm0.num_line_pair.full;
985 		if (dfixed_trunc(wm1.dbpp) > 64)
986 			b.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
987 		else
988 			b.full = wm1.num_line_pair.full;
989 		a.full += b.full;
990 		fill_rate.full = dfixed_div(wm0.sclk, a);
991 		if (wm0.consumption_rate.full > fill_rate.full) {
992 			b.full = wm0.consumption_rate.full - fill_rate.full;
993 			b.full = dfixed_mul(b, wm0.active_time);
994 			a.full = dfixed_const(16);
995 			b.full = dfixed_div(b, a);
996 			a.full = dfixed_mul(wm0.worst_case_latency,
997 						wm0.consumption_rate);
998 			priority_mark02.full = a.full + b.full;
999 		} else {
1000 			a.full = dfixed_mul(wm0.worst_case_latency,
1001 						wm0.consumption_rate);
1002 			b.full = dfixed_const(16 * 1000);
1003 			priority_mark02.full = dfixed_div(a, b);
1004 		}
1005 		if (wm1.consumption_rate.full > fill_rate.full) {
1006 			b.full = wm1.consumption_rate.full - fill_rate.full;
1007 			b.full = dfixed_mul(b, wm1.active_time);
1008 			a.full = dfixed_const(16);
1009 			b.full = dfixed_div(b, a);
1010 			a.full = dfixed_mul(wm1.worst_case_latency,
1011 						wm1.consumption_rate);
1012 			priority_mark12.full = a.full + b.full;
1013 		} else {
1014 			a.full = dfixed_mul(wm1.worst_case_latency,
1015 						wm1.consumption_rate);
1016 			b.full = dfixed_const(16 * 1000);
1017 			priority_mark12.full = dfixed_div(a, b);
1018 		}
1019 		if (wm0.priority_mark.full > priority_mark02.full)
1020 			priority_mark02.full = wm0.priority_mark.full;
1021 		if (dfixed_trunc(priority_mark02) < 0)
1022 			priority_mark02.full = 0;
1023 		if (wm0.priority_mark_max.full > priority_mark02.full)
1024 			priority_mark02.full = wm0.priority_mark_max.full;
1025 		if (wm1.priority_mark.full > priority_mark12.full)
1026 			priority_mark12.full = wm1.priority_mark.full;
1027 		if (dfixed_trunc(priority_mark12) < 0)
1028 			priority_mark12.full = 0;
1029 		if (wm1.priority_mark_max.full > priority_mark12.full)
1030 			priority_mark12.full = wm1.priority_mark_max.full;
1031 		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1032 		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1033 		if (rdev->disp_priority == 2) {
1034 			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1035 			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1036 		}
1037 	} else if (mode0) {
1038 		if (dfixed_trunc(wm0.dbpp) > 64)
1039 			a.full = dfixed_div(wm0.dbpp, wm0.num_line_pair);
1040 		else
1041 			a.full = wm0.num_line_pair.full;
1042 		fill_rate.full = dfixed_div(wm0.sclk, a);
1043 		if (wm0.consumption_rate.full > fill_rate.full) {
1044 			b.full = wm0.consumption_rate.full - fill_rate.full;
1045 			b.full = dfixed_mul(b, wm0.active_time);
1046 			a.full = dfixed_const(16);
1047 			b.full = dfixed_div(b, a);
1048 			a.full = dfixed_mul(wm0.worst_case_latency,
1049 						wm0.consumption_rate);
1050 			priority_mark02.full = a.full + b.full;
1051 		} else {
1052 			a.full = dfixed_mul(wm0.worst_case_latency,
1053 						wm0.consumption_rate);
1054 			b.full = dfixed_const(16);
1055 			priority_mark02.full = dfixed_div(a, b);
1056 		}
1057 		if (wm0.priority_mark.full > priority_mark02.full)
1058 			priority_mark02.full = wm0.priority_mark.full;
1059 		if (dfixed_trunc(priority_mark02) < 0)
1060 			priority_mark02.full = 0;
1061 		if (wm0.priority_mark_max.full > priority_mark02.full)
1062 			priority_mark02.full = wm0.priority_mark_max.full;
1063 		d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1064 		if (rdev->disp_priority == 2)
1065 			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1066 	} else if (mode1) {
1067 		if (dfixed_trunc(wm1.dbpp) > 64)
1068 			a.full = dfixed_div(wm1.dbpp, wm1.num_line_pair);
1069 		else
1070 			a.full = wm1.num_line_pair.full;
1071 		fill_rate.full = dfixed_div(wm1.sclk, a);
1072 		if (wm1.consumption_rate.full > fill_rate.full) {
1073 			b.full = wm1.consumption_rate.full - fill_rate.full;
1074 			b.full = dfixed_mul(b, wm1.active_time);
1075 			a.full = dfixed_const(16);
1076 			b.full = dfixed_div(b, a);
1077 			a.full = dfixed_mul(wm1.worst_case_latency,
1078 						wm1.consumption_rate);
1079 			priority_mark12.full = a.full + b.full;
1080 		} else {
1081 			a.full = dfixed_mul(wm1.worst_case_latency,
1082 						wm1.consumption_rate);
1083 			b.full = dfixed_const(16 * 1000);
1084 			priority_mark12.full = dfixed_div(a, b);
1085 		}
1086 		if (wm1.priority_mark.full > priority_mark12.full)
1087 			priority_mark12.full = wm1.priority_mark.full;
1088 		if (dfixed_trunc(priority_mark12) < 0)
1089 			priority_mark12.full = 0;
1090 		if (wm1.priority_mark_max.full > priority_mark12.full)
1091 			priority_mark12.full = wm1.priority_mark_max.full;
1092 		d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1093 		if (rdev->disp_priority == 2)
1094 			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1095 	}
1096 
1097 	WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1098 	WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
1099 	WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1100 	WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
1101 }
1102 
rv515_bandwidth_update(struct radeon_device * rdev)1103 void rv515_bandwidth_update(struct radeon_device *rdev)
1104 {
1105 	uint32_t tmp;
1106 	struct drm_display_mode *mode0 = NULL;
1107 	struct drm_display_mode *mode1 = NULL;
1108 
1109 	radeon_update_display_priority(rdev);
1110 
1111 	if (rdev->mode_info.crtcs[0]->base.enabled)
1112 		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1113 	if (rdev->mode_info.crtcs[1]->base.enabled)
1114 		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1115 	/*
1116 	 * Set display0/1 priority up in the memory controller for
1117 	 * modes if the user specifies HIGH for displaypriority
1118 	 * option.
1119 	 */
1120 	if ((rdev->disp_priority == 2) &&
1121 	    (rdev->family == CHIP_RV515)) {
1122 		tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1123 		tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1124 		tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1125 		if (mode1)
1126 			tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1127 		if (mode0)
1128 			tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1129 		WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1130 	}
1131 	rv515_bandwidth_avivo_update(rdev);
1132 }
1133