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 <drm/drm.h>
32 #include <drm/drm_crtc_helper.h>
33 #include "radeon_reg.h"
34 #include "radeon.h"
35 #include "radeon_asic.h"
36 #include "radeon_drm.h"
37 #include "r100_track.h"
38 #include "r300d.h"
39 #include "rv350d.h"
40 #include "r300_reg_safe.h"
41 
42 /* This files gather functions specifics to: r300,r350,rv350,rv370,rv380
43  *
44  * GPU Errata:
45  * - HOST_PATH_CNTL: r300 family seems to dislike write to HOST_PATH_CNTL
46  *   using MMIO to flush host path read cache, this lead to HARDLOCKUP.
47  *   However, scheduling such write to the ring seems harmless, i suspect
48  *   the CP read collide with the flush somehow, or maybe the MC, hard to
49  *   tell. (Jerome Glisse)
50  */
51 
52 /*
53  * rv370,rv380 PCIE GART
54  */
55 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
56 
rv370_pcie_gart_tlb_flush(struct radeon_device * rdev)57 void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
58 {
59 	uint32_t tmp;
60 	int i;
61 
62 	/* Workaround HW bug do flush 2 times */
63 	for (i = 0; i < 2; i++) {
64 		tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
65 		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
66 		(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
67 		WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
68 	}
69 	mb();
70 }
71 
72 #define R300_PTE_WRITEABLE (1 << 2)
73 #define R300_PTE_READABLE  (1 << 3)
74 
rv370_pcie_gart_set_page(struct radeon_device * rdev,int i,uint64_t addr)75 int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
76 {
77 	void __iomem *ptr = rdev->gart.ptr;
78 
79 	if (i < 0 || i > rdev->gart.num_gpu_pages) {
80 		return -EINVAL;
81 	}
82 	addr = (lower_32_bits(addr) >> 8) |
83 	       ((upper_32_bits(addr) & 0xff) << 24) |
84 	       R300_PTE_WRITEABLE | R300_PTE_READABLE;
85 	/* on x86 we want this to be CPU endian, on powerpc
86 	 * on powerpc without HW swappers, it'll get swapped on way
87 	 * into VRAM - so no need for cpu_to_le32 on VRAM tables */
88 	writel(addr, ((void __iomem *)ptr) + (i * 4));
89 	return 0;
90 }
91 
rv370_pcie_gart_init(struct radeon_device * rdev)92 int rv370_pcie_gart_init(struct radeon_device *rdev)
93 {
94 	int r;
95 
96 	if (rdev->gart.robj) {
97 		WARN(1, "RV370 PCIE GART already initialized\n");
98 		return 0;
99 	}
100 	/* Initialize common gart structure */
101 	r = radeon_gart_init(rdev);
102 	if (r)
103 		return r;
104 	r = rv370_debugfs_pcie_gart_info_init(rdev);
105 	if (r)
106 		DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
107 	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
108 	rdev->asic->gart.tlb_flush = &rv370_pcie_gart_tlb_flush;
109 	rdev->asic->gart.set_page = &rv370_pcie_gart_set_page;
110 	return radeon_gart_table_vram_alloc(rdev);
111 }
112 
rv370_pcie_gart_enable(struct radeon_device * rdev)113 int rv370_pcie_gart_enable(struct radeon_device *rdev)
114 {
115 	uint32_t table_addr;
116 	uint32_t tmp;
117 	int r;
118 
119 	if (rdev->gart.robj == NULL) {
120 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
121 		return -EINVAL;
122 	}
123 	r = radeon_gart_table_vram_pin(rdev);
124 	if (r)
125 		return r;
126 	radeon_gart_restore(rdev);
127 	/* discard memory request outside of configured range */
128 	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
129 	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
130 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
131 	tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
132 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
133 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
134 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
135 	table_addr = rdev->gart.table_addr;
136 	WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
137 	/* FIXME: setup default page */
138 	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
139 	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
140 	/* Clear error */
141 	WREG32_PCIE(RADEON_PCIE_TX_GART_ERROR, 0);
142 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
143 	tmp |= RADEON_PCIE_TX_GART_EN;
144 	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
145 	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
146 	rv370_pcie_gart_tlb_flush(rdev);
147 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
148 		 (unsigned)(rdev->mc.gtt_size >> 20),
149 		 (unsigned long long)table_addr);
150 	rdev->gart.ready = true;
151 	return 0;
152 }
153 
rv370_pcie_gart_disable(struct radeon_device * rdev)154 void rv370_pcie_gart_disable(struct radeon_device *rdev)
155 {
156 	u32 tmp;
157 
158 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, 0);
159 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, 0);
160 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
161 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
162 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
163 	tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
164 	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
165 	radeon_gart_table_vram_unpin(rdev);
166 }
167 
rv370_pcie_gart_fini(struct radeon_device * rdev)168 void rv370_pcie_gart_fini(struct radeon_device *rdev)
169 {
170 	radeon_gart_fini(rdev);
171 	rv370_pcie_gart_disable(rdev);
172 	radeon_gart_table_vram_free(rdev);
173 }
174 
r300_fence_ring_emit(struct radeon_device * rdev,struct radeon_fence * fence)175 void r300_fence_ring_emit(struct radeon_device *rdev,
176 			  struct radeon_fence *fence)
177 {
178 	struct radeon_ring *ring = &rdev->ring[fence->ring];
179 
180 	/* Who ever call radeon_fence_emit should call ring_lock and ask
181 	 * for enough space (today caller are ib schedule and buffer move) */
182 	/* Write SC register so SC & US assert idle */
183 	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_TL, 0));
184 	radeon_ring_write(ring, 0);
185 	radeon_ring_write(ring, PACKET0(R300_RE_SCISSORS_BR, 0));
186 	radeon_ring_write(ring, 0);
187 	/* Flush 3D cache */
188 	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
189 	radeon_ring_write(ring, R300_RB3D_DC_FLUSH);
190 	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
191 	radeon_ring_write(ring, R300_ZC_FLUSH);
192 	/* Wait until IDLE & CLEAN */
193 	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
194 	radeon_ring_write(ring, (RADEON_WAIT_3D_IDLECLEAN |
195 				 RADEON_WAIT_2D_IDLECLEAN |
196 				 RADEON_WAIT_DMA_GUI_IDLE));
197 	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
198 	radeon_ring_write(ring, rdev->config.r300.hdp_cntl |
199 				RADEON_HDP_READ_BUFFER_INVALIDATE);
200 	radeon_ring_write(ring, PACKET0(RADEON_HOST_PATH_CNTL, 0));
201 	radeon_ring_write(ring, rdev->config.r300.hdp_cntl);
202 	/* Emit fence sequence & fire IRQ */
203 	radeon_ring_write(ring, PACKET0(rdev->fence_drv[fence->ring].scratch_reg, 0));
204 	radeon_ring_write(ring, fence->seq);
205 	radeon_ring_write(ring, PACKET0(RADEON_GEN_INT_STATUS, 0));
206 	radeon_ring_write(ring, RADEON_SW_INT_FIRE);
207 }
208 
r300_ring_start(struct radeon_device * rdev,struct radeon_ring * ring)209 void r300_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
210 {
211 	unsigned gb_tile_config;
212 	int r;
213 
214 	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
215 	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
216 	switch(rdev->num_gb_pipes) {
217 	case 2:
218 		gb_tile_config |= R300_PIPE_COUNT_R300;
219 		break;
220 	case 3:
221 		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
222 		break;
223 	case 4:
224 		gb_tile_config |= R300_PIPE_COUNT_R420;
225 		break;
226 	case 1:
227 	default:
228 		gb_tile_config |= R300_PIPE_COUNT_RV350;
229 		break;
230 	}
231 
232 	r = radeon_ring_lock(rdev, ring, 64);
233 	if (r) {
234 		return;
235 	}
236 	radeon_ring_write(ring, PACKET0(RADEON_ISYNC_CNTL, 0));
237 	radeon_ring_write(ring,
238 			  RADEON_ISYNC_ANY2D_IDLE3D |
239 			  RADEON_ISYNC_ANY3D_IDLE2D |
240 			  RADEON_ISYNC_WAIT_IDLEGUI |
241 			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
242 	radeon_ring_write(ring, PACKET0(R300_GB_TILE_CONFIG, 0));
243 	radeon_ring_write(ring, gb_tile_config);
244 	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
245 	radeon_ring_write(ring,
246 			  RADEON_WAIT_2D_IDLECLEAN |
247 			  RADEON_WAIT_3D_IDLECLEAN);
248 	radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
249 	radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
250 	radeon_ring_write(ring, PACKET0(R300_GB_SELECT, 0));
251 	radeon_ring_write(ring, 0);
252 	radeon_ring_write(ring, PACKET0(R300_GB_ENABLE, 0));
253 	radeon_ring_write(ring, 0);
254 	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
255 	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
256 	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
257 	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
258 	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
259 	radeon_ring_write(ring,
260 			  RADEON_WAIT_2D_IDLECLEAN |
261 			  RADEON_WAIT_3D_IDLECLEAN);
262 	radeon_ring_write(ring, PACKET0(R300_GB_AA_CONFIG, 0));
263 	radeon_ring_write(ring, 0);
264 	radeon_ring_write(ring, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
265 	radeon_ring_write(ring, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
266 	radeon_ring_write(ring, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
267 	radeon_ring_write(ring, R300_ZC_FLUSH | R300_ZC_FREE);
268 	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS0, 0));
269 	radeon_ring_write(ring,
270 			  ((6 << R300_MS_X0_SHIFT) |
271 			   (6 << R300_MS_Y0_SHIFT) |
272 			   (6 << R300_MS_X1_SHIFT) |
273 			   (6 << R300_MS_Y1_SHIFT) |
274 			   (6 << R300_MS_X2_SHIFT) |
275 			   (6 << R300_MS_Y2_SHIFT) |
276 			   (6 << R300_MSBD0_Y_SHIFT) |
277 			   (6 << R300_MSBD0_X_SHIFT)));
278 	radeon_ring_write(ring, PACKET0(R300_GB_MSPOS1, 0));
279 	radeon_ring_write(ring,
280 			  ((6 << R300_MS_X3_SHIFT) |
281 			   (6 << R300_MS_Y3_SHIFT) |
282 			   (6 << R300_MS_X4_SHIFT) |
283 			   (6 << R300_MS_Y4_SHIFT) |
284 			   (6 << R300_MS_X5_SHIFT) |
285 			   (6 << R300_MS_Y5_SHIFT) |
286 			   (6 << R300_MSBD1_SHIFT)));
287 	radeon_ring_write(ring, PACKET0(R300_GA_ENHANCE, 0));
288 	radeon_ring_write(ring, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
289 	radeon_ring_write(ring, PACKET0(R300_GA_POLY_MODE, 0));
290 	radeon_ring_write(ring,
291 			  R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
292 	radeon_ring_write(ring, PACKET0(R300_GA_ROUND_MODE, 0));
293 	radeon_ring_write(ring,
294 			  R300_GEOMETRY_ROUND_NEAREST |
295 			  R300_COLOR_ROUND_NEAREST);
296 	radeon_ring_unlock_commit(rdev, ring);
297 }
298 
r300_errata(struct radeon_device * rdev)299 void r300_errata(struct radeon_device *rdev)
300 {
301 	rdev->pll_errata = 0;
302 
303 	if (rdev->family == CHIP_R300 &&
304 	    (RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
305 		rdev->pll_errata |= CHIP_ERRATA_R300_CG;
306 	}
307 }
308 
r300_mc_wait_for_idle(struct radeon_device * rdev)309 int r300_mc_wait_for_idle(struct radeon_device *rdev)
310 {
311 	unsigned i;
312 	uint32_t tmp;
313 
314 	for (i = 0; i < rdev->usec_timeout; i++) {
315 		/* read MC_STATUS */
316 		tmp = RREG32(RADEON_MC_STATUS);
317 		if (tmp & R300_MC_IDLE) {
318 			return 0;
319 		}
320 		DRM_UDELAY(1);
321 	}
322 	return -1;
323 }
324 
r300_gpu_init(struct radeon_device * rdev)325 void r300_gpu_init(struct radeon_device *rdev)
326 {
327 	uint32_t gb_tile_config, tmp;
328 
329 	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
330 	    (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
331 		/* r300,r350 */
332 		rdev->num_gb_pipes = 2;
333 	} else {
334 		/* rv350,rv370,rv380,r300 AD, r350 AH */
335 		rdev->num_gb_pipes = 1;
336 	}
337 	rdev->num_z_pipes = 1;
338 	gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
339 	switch (rdev->num_gb_pipes) {
340 	case 2:
341 		gb_tile_config |= R300_PIPE_COUNT_R300;
342 		break;
343 	case 3:
344 		gb_tile_config |= R300_PIPE_COUNT_R420_3P;
345 		break;
346 	case 4:
347 		gb_tile_config |= R300_PIPE_COUNT_R420;
348 		break;
349 	default:
350 	case 1:
351 		gb_tile_config |= R300_PIPE_COUNT_RV350;
352 		break;
353 	}
354 	WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
355 
356 	if (r100_gui_wait_for_idle(rdev)) {
357 		printk(KERN_WARNING "Failed to wait GUI idle while "
358 		       "programming pipes. Bad things might happen.\n");
359 	}
360 
361 	tmp = RREG32(R300_DST_PIPE_CONFIG);
362 	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
363 
364 	WREG32(R300_RB2D_DSTCACHE_MODE,
365 	       R300_DC_AUTOFLUSH_ENABLE |
366 	       R300_DC_DC_DISABLE_IGNORE_PE);
367 
368 	if (r100_gui_wait_for_idle(rdev)) {
369 		printk(KERN_WARNING "Failed to wait GUI idle while "
370 		       "programming pipes. Bad things might happen.\n");
371 	}
372 	if (r300_mc_wait_for_idle(rdev)) {
373 		printk(KERN_WARNING "Failed to wait MC idle while "
374 		       "programming pipes. Bad things might happen.\n");
375 	}
376 	DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
377 		 rdev->num_gb_pipes, rdev->num_z_pipes);
378 }
379 
r300_gpu_is_lockup(struct radeon_device * rdev,struct radeon_ring * ring)380 bool r300_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
381 {
382 	u32 rbbm_status;
383 	int r;
384 
385 	rbbm_status = RREG32(R_000E40_RBBM_STATUS);
386 	if (!G_000E40_GUI_ACTIVE(rbbm_status)) {
387 		r100_gpu_lockup_update(&rdev->config.r300.lockup, ring);
388 		return false;
389 	}
390 	/* force CP activities */
391 	r = radeon_ring_lock(rdev, ring, 2);
392 	if (!r) {
393 		/* PACKET2 NOP */
394 		radeon_ring_write(ring, 0x80000000);
395 		radeon_ring_write(ring, 0x80000000);
396 		radeon_ring_unlock_commit(rdev, ring);
397 	}
398 	ring->rptr = RREG32(RADEON_CP_RB_RPTR);
399 	return r100_gpu_cp_is_lockup(rdev, &rdev->config.r300.lockup, ring);
400 }
401 
r300_asic_reset(struct radeon_device * rdev)402 int r300_asic_reset(struct radeon_device *rdev)
403 {
404 	struct r100_mc_save save;
405 	u32 status, tmp;
406 	int ret = 0;
407 
408 	status = RREG32(R_000E40_RBBM_STATUS);
409 	if (!G_000E40_GUI_ACTIVE(status)) {
410 		return 0;
411 	}
412 	r100_mc_stop(rdev, &save);
413 	status = RREG32(R_000E40_RBBM_STATUS);
414 	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
415 	/* stop CP */
416 	WREG32(RADEON_CP_CSQ_CNTL, 0);
417 	tmp = RREG32(RADEON_CP_RB_CNTL);
418 	WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
419 	WREG32(RADEON_CP_RB_RPTR_WR, 0);
420 	WREG32(RADEON_CP_RB_WPTR, 0);
421 	WREG32(RADEON_CP_RB_CNTL, tmp);
422 	/* save PCI state */
423 	pci_save_state(rdev->pdev);
424 	/* disable bus mastering */
425 	r100_bm_disable(rdev);
426 	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_VAP(1) |
427 					S_0000F0_SOFT_RESET_GA(1));
428 	RREG32(R_0000F0_RBBM_SOFT_RESET);
429 	mdelay(500);
430 	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
431 	mdelay(1);
432 	status = RREG32(R_000E40_RBBM_STATUS);
433 	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
434 	/* resetting the CP seems to be problematic sometimes it end up
435 	 * hard locking the computer, but it's necessary for successful
436 	 * reset more test & playing is needed on R3XX/R4XX to find a
437 	 * reliable (if any solution)
438 	 */
439 	WREG32(R_0000F0_RBBM_SOFT_RESET, S_0000F0_SOFT_RESET_CP(1));
440 	RREG32(R_0000F0_RBBM_SOFT_RESET);
441 	mdelay(500);
442 	WREG32(R_0000F0_RBBM_SOFT_RESET, 0);
443 	mdelay(1);
444 	status = RREG32(R_000E40_RBBM_STATUS);
445 	dev_info(rdev->dev, "(%s:%d) RBBM_STATUS=0x%08X\n", __func__, __LINE__, status);
446 	/* restore PCI & busmastering */
447 	pci_restore_state(rdev->pdev);
448 	r100_enable_bm(rdev);
449 	/* Check if GPU is idle */
450 	if (G_000E40_GA_BUSY(status) || G_000E40_VAP_BUSY(status)) {
451 		dev_err(rdev->dev, "failed to reset GPU\n");
452 		rdev->gpu_lockup = true;
453 		ret = -1;
454 	} else
455 		dev_info(rdev->dev, "GPU reset succeed\n");
456 	r100_mc_resume(rdev, &save);
457 	return ret;
458 }
459 
460 /*
461  * r300,r350,rv350,rv380 VRAM info
462  */
r300_mc_init(struct radeon_device * rdev)463 void r300_mc_init(struct radeon_device *rdev)
464 {
465 	u64 base;
466 	u32 tmp;
467 
468 	/* DDR for all card after R300 & IGP */
469 	rdev->mc.vram_is_ddr = true;
470 	tmp = RREG32(RADEON_MEM_CNTL);
471 	tmp &= R300_MEM_NUM_CHANNELS_MASK;
472 	switch (tmp) {
473 	case 0: rdev->mc.vram_width = 64; break;
474 	case 1: rdev->mc.vram_width = 128; break;
475 	case 2: rdev->mc.vram_width = 256; break;
476 	default:  rdev->mc.vram_width = 128; break;
477 	}
478 	r100_vram_init_sizes(rdev);
479 	base = rdev->mc.aper_base;
480 	if (rdev->flags & RADEON_IS_IGP)
481 		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
482 	radeon_vram_location(rdev, &rdev->mc, base);
483 	rdev->mc.gtt_base_align = 0;
484 	if (!(rdev->flags & RADEON_IS_AGP))
485 		radeon_gtt_location(rdev, &rdev->mc);
486 	radeon_update_bandwidth_info(rdev);
487 }
488 
rv370_set_pcie_lanes(struct radeon_device * rdev,int lanes)489 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
490 {
491 	uint32_t link_width_cntl, mask;
492 
493 	if (rdev->flags & RADEON_IS_IGP)
494 		return;
495 
496 	if (!(rdev->flags & RADEON_IS_PCIE))
497 		return;
498 
499 	/* FIXME wait for idle */
500 
501 	switch (lanes) {
502 	case 0:
503 		mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
504 		break;
505 	case 1:
506 		mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
507 		break;
508 	case 2:
509 		mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
510 		break;
511 	case 4:
512 		mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
513 		break;
514 	case 8:
515 		mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
516 		break;
517 	case 12:
518 		mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
519 		break;
520 	case 16:
521 	default:
522 		mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
523 		break;
524 	}
525 
526 	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
527 
528 	if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
529 	    (mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
530 		return;
531 
532 	link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
533 			     RADEON_PCIE_LC_RECONFIG_NOW |
534 			     RADEON_PCIE_LC_RECONFIG_LATER |
535 			     RADEON_PCIE_LC_SHORT_RECONFIG_EN);
536 	link_width_cntl |= mask;
537 	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
538 	WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
539 						     RADEON_PCIE_LC_RECONFIG_NOW));
540 
541 	/* wait for lane set to complete */
542 	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
543 	while (link_width_cntl == 0xffffffff)
544 		link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
545 
546 }
547 
rv370_get_pcie_lanes(struct radeon_device * rdev)548 int rv370_get_pcie_lanes(struct radeon_device *rdev)
549 {
550 	u32 link_width_cntl;
551 
552 	if (rdev->flags & RADEON_IS_IGP)
553 		return 0;
554 
555 	if (!(rdev->flags & RADEON_IS_PCIE))
556 		return 0;
557 
558 	/* FIXME wait for idle */
559 
560 	link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
561 
562 	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
563 	case RADEON_PCIE_LC_LINK_WIDTH_X0:
564 		return 0;
565 	case RADEON_PCIE_LC_LINK_WIDTH_X1:
566 		return 1;
567 	case RADEON_PCIE_LC_LINK_WIDTH_X2:
568 		return 2;
569 	case RADEON_PCIE_LC_LINK_WIDTH_X4:
570 		return 4;
571 	case RADEON_PCIE_LC_LINK_WIDTH_X8:
572 		return 8;
573 	case RADEON_PCIE_LC_LINK_WIDTH_X16:
574 	default:
575 		return 16;
576 	}
577 }
578 
579 #if defined(CONFIG_DEBUG_FS)
rv370_debugfs_pcie_gart_info(struct seq_file * m,void * data)580 static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
581 {
582 	struct drm_info_node *node = (struct drm_info_node *) m->private;
583 	struct drm_device *dev = node->minor->dev;
584 	struct radeon_device *rdev = dev->dev_private;
585 	uint32_t tmp;
586 
587 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
588 	seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
589 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
590 	seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
591 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
592 	seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
593 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
594 	seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
595 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
596 	seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
597 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
598 	seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
599 	tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
600 	seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
601 	return 0;
602 }
603 
604 static struct drm_info_list rv370_pcie_gart_info_list[] = {
605 	{"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
606 };
607 #endif
608 
rv370_debugfs_pcie_gart_info_init(struct radeon_device * rdev)609 static int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
610 {
611 #if defined(CONFIG_DEBUG_FS)
612 	return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
613 #else
614 	return 0;
615 #endif
616 }
617 
r300_packet0_check(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt,unsigned idx,unsigned reg)618 static int r300_packet0_check(struct radeon_cs_parser *p,
619 		struct radeon_cs_packet *pkt,
620 		unsigned idx, unsigned reg)
621 {
622 	struct radeon_cs_reloc *reloc;
623 	struct r100_cs_track *track;
624 	volatile uint32_t *ib;
625 	uint32_t tmp, tile_flags = 0;
626 	unsigned i;
627 	int r;
628 	u32 idx_value;
629 
630 	ib = p->ib->ptr;
631 	track = (struct r100_cs_track *)p->track;
632 	idx_value = radeon_get_ib_value(p, idx);
633 
634 	switch(reg) {
635 	case AVIVO_D1MODE_VLINE_START_END:
636 	case RADEON_CRTC_GUI_TRIG_VLINE:
637 		r = r100_cs_packet_parse_vline(p);
638 		if (r) {
639 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
640 					idx, reg);
641 			r100_cs_dump_packet(p, pkt);
642 			return r;
643 		}
644 		break;
645 	case RADEON_DST_PITCH_OFFSET:
646 	case RADEON_SRC_PITCH_OFFSET:
647 		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
648 		if (r)
649 			return r;
650 		break;
651 	case R300_RB3D_COLOROFFSET0:
652 	case R300_RB3D_COLOROFFSET1:
653 	case R300_RB3D_COLOROFFSET2:
654 	case R300_RB3D_COLOROFFSET3:
655 		i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
656 		r = r100_cs_packet_next_reloc(p, &reloc);
657 		if (r) {
658 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
659 					idx, reg);
660 			r100_cs_dump_packet(p, pkt);
661 			return r;
662 		}
663 		track->cb[i].robj = reloc->robj;
664 		track->cb[i].offset = idx_value;
665 		track->cb_dirty = true;
666 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
667 		break;
668 	case R300_ZB_DEPTHOFFSET:
669 		r = r100_cs_packet_next_reloc(p, &reloc);
670 		if (r) {
671 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
672 					idx, reg);
673 			r100_cs_dump_packet(p, pkt);
674 			return r;
675 		}
676 		track->zb.robj = reloc->robj;
677 		track->zb.offset = idx_value;
678 		track->zb_dirty = true;
679 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
680 		break;
681 	case R300_TX_OFFSET_0:
682 	case R300_TX_OFFSET_0+4:
683 	case R300_TX_OFFSET_0+8:
684 	case R300_TX_OFFSET_0+12:
685 	case R300_TX_OFFSET_0+16:
686 	case R300_TX_OFFSET_0+20:
687 	case R300_TX_OFFSET_0+24:
688 	case R300_TX_OFFSET_0+28:
689 	case R300_TX_OFFSET_0+32:
690 	case R300_TX_OFFSET_0+36:
691 	case R300_TX_OFFSET_0+40:
692 	case R300_TX_OFFSET_0+44:
693 	case R300_TX_OFFSET_0+48:
694 	case R300_TX_OFFSET_0+52:
695 	case R300_TX_OFFSET_0+56:
696 	case R300_TX_OFFSET_0+60:
697 		i = (reg - R300_TX_OFFSET_0) >> 2;
698 		r = r100_cs_packet_next_reloc(p, &reloc);
699 		if (r) {
700 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
701 					idx, reg);
702 			r100_cs_dump_packet(p, pkt);
703 			return r;
704 		}
705 
706 		if (p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) {
707 			ib[idx] = (idx_value & 31) | /* keep the 1st 5 bits */
708 				  ((idx_value & ~31) + (u32)reloc->lobj.gpu_offset);
709 		} else {
710 			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
711 				tile_flags |= R300_TXO_MACRO_TILE;
712 			if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
713 				tile_flags |= R300_TXO_MICRO_TILE;
714 			else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
715 				tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
716 
717 			tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
718 			tmp |= tile_flags;
719 			ib[idx] = tmp;
720 		}
721 		track->textures[i].robj = reloc->robj;
722 		track->tex_dirty = true;
723 		break;
724 	/* Tracked registers */
725 	case 0x2084:
726 		/* VAP_VF_CNTL */
727 		track->vap_vf_cntl = idx_value;
728 		break;
729 	case 0x20B4:
730 		/* VAP_VTX_SIZE */
731 		track->vtx_size = idx_value & 0x7F;
732 		break;
733 	case 0x2134:
734 		/* VAP_VF_MAX_VTX_INDX */
735 		track->max_indx = idx_value & 0x00FFFFFFUL;
736 		break;
737 	case 0x2088:
738 		/* VAP_ALT_NUM_VERTICES - only valid on r500 */
739 		if (p->rdev->family < CHIP_RV515)
740 			goto fail;
741 		track->vap_alt_nverts = idx_value & 0xFFFFFF;
742 		break;
743 	case 0x43E4:
744 		/* SC_SCISSOR1 */
745 		track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
746 		if (p->rdev->family < CHIP_RV515) {
747 			track->maxy -= 1440;
748 		}
749 		track->cb_dirty = true;
750 		track->zb_dirty = true;
751 		break;
752 	case 0x4E00:
753 		/* RB3D_CCTL */
754 		if ((idx_value & (1 << 10)) && /* CMASK_ENABLE */
755 		    p->rdev->cmask_filp != p->filp) {
756 			DRM_ERROR("Invalid RB3D_CCTL: Cannot enable CMASK.\n");
757 			return -EINVAL;
758 		}
759 		track->num_cb = ((idx_value >> 5) & 0x3) + 1;
760 		track->cb_dirty = true;
761 		break;
762 	case 0x4E38:
763 	case 0x4E3C:
764 	case 0x4E40:
765 	case 0x4E44:
766 		/* RB3D_COLORPITCH0 */
767 		/* RB3D_COLORPITCH1 */
768 		/* RB3D_COLORPITCH2 */
769 		/* RB3D_COLORPITCH3 */
770 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
771 			r = r100_cs_packet_next_reloc(p, &reloc);
772 			if (r) {
773 				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
774 					  idx, reg);
775 				r100_cs_dump_packet(p, pkt);
776 				return r;
777 			}
778 
779 			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
780 				tile_flags |= R300_COLOR_TILE_ENABLE;
781 			if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
782 				tile_flags |= R300_COLOR_MICROTILE_ENABLE;
783 			else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
784 				tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
785 
786 			tmp = idx_value & ~(0x7 << 16);
787 			tmp |= tile_flags;
788 			ib[idx] = tmp;
789 		}
790 		i = (reg - 0x4E38) >> 2;
791 		track->cb[i].pitch = idx_value & 0x3FFE;
792 		switch (((idx_value >> 21) & 0xF)) {
793 		case 9:
794 		case 11:
795 		case 12:
796 			track->cb[i].cpp = 1;
797 			break;
798 		case 3:
799 		case 4:
800 		case 13:
801 		case 15:
802 			track->cb[i].cpp = 2;
803 			break;
804 		case 5:
805 			if (p->rdev->family < CHIP_RV515) {
806 				DRM_ERROR("Invalid color buffer format (%d)!\n",
807 					  ((idx_value >> 21) & 0xF));
808 				return -EINVAL;
809 			}
810 			/* Pass through. */
811 		case 6:
812 			track->cb[i].cpp = 4;
813 			break;
814 		case 10:
815 			track->cb[i].cpp = 8;
816 			break;
817 		case 7:
818 			track->cb[i].cpp = 16;
819 			break;
820 		default:
821 			DRM_ERROR("Invalid color buffer format (%d) !\n",
822 				  ((idx_value >> 21) & 0xF));
823 			return -EINVAL;
824 		}
825 		track->cb_dirty = true;
826 		break;
827 	case 0x4F00:
828 		/* ZB_CNTL */
829 		if (idx_value & 2) {
830 			track->z_enabled = true;
831 		} else {
832 			track->z_enabled = false;
833 		}
834 		track->zb_dirty = true;
835 		break;
836 	case 0x4F10:
837 		/* ZB_FORMAT */
838 		switch ((idx_value & 0xF)) {
839 		case 0:
840 		case 1:
841 			track->zb.cpp = 2;
842 			break;
843 		case 2:
844 			track->zb.cpp = 4;
845 			break;
846 		default:
847 			DRM_ERROR("Invalid z buffer format (%d) !\n",
848 				  (idx_value & 0xF));
849 			return -EINVAL;
850 		}
851 		track->zb_dirty = true;
852 		break;
853 	case 0x4F24:
854 		/* ZB_DEPTHPITCH */
855 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
856 			r = r100_cs_packet_next_reloc(p, &reloc);
857 			if (r) {
858 				DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
859 					  idx, reg);
860 				r100_cs_dump_packet(p, pkt);
861 				return r;
862 			}
863 
864 			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
865 				tile_flags |= R300_DEPTHMACROTILE_ENABLE;
866 			if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
867 				tile_flags |= R300_DEPTHMICROTILE_TILED;
868 			else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
869 				tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
870 
871 			tmp = idx_value & ~(0x7 << 16);
872 			tmp |= tile_flags;
873 			ib[idx] = tmp;
874 		}
875 		track->zb.pitch = idx_value & 0x3FFC;
876 		track->zb_dirty = true;
877 		break;
878 	case 0x4104:
879 		/* TX_ENABLE */
880 		for (i = 0; i < 16; i++) {
881 			bool enabled;
882 
883 			enabled = !!(idx_value & (1 << i));
884 			track->textures[i].enabled = enabled;
885 		}
886 		track->tex_dirty = true;
887 		break;
888 	case 0x44C0:
889 	case 0x44C4:
890 	case 0x44C8:
891 	case 0x44CC:
892 	case 0x44D0:
893 	case 0x44D4:
894 	case 0x44D8:
895 	case 0x44DC:
896 	case 0x44E0:
897 	case 0x44E4:
898 	case 0x44E8:
899 	case 0x44EC:
900 	case 0x44F0:
901 	case 0x44F4:
902 	case 0x44F8:
903 	case 0x44FC:
904 		/* TX_FORMAT1_[0-15] */
905 		i = (reg - 0x44C0) >> 2;
906 		tmp = (idx_value >> 25) & 0x3;
907 		track->textures[i].tex_coord_type = tmp;
908 		switch ((idx_value & 0x1F)) {
909 		case R300_TX_FORMAT_X8:
910 		case R300_TX_FORMAT_Y4X4:
911 		case R300_TX_FORMAT_Z3Y3X2:
912 			track->textures[i].cpp = 1;
913 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
914 			break;
915 		case R300_TX_FORMAT_X16:
916 		case R300_TX_FORMAT_FL_I16:
917 		case R300_TX_FORMAT_Y8X8:
918 		case R300_TX_FORMAT_Z5Y6X5:
919 		case R300_TX_FORMAT_Z6Y5X5:
920 		case R300_TX_FORMAT_W4Z4Y4X4:
921 		case R300_TX_FORMAT_W1Z5Y5X5:
922 		case R300_TX_FORMAT_D3DMFT_CxV8U8:
923 		case R300_TX_FORMAT_B8G8_B8G8:
924 		case R300_TX_FORMAT_G8R8_G8B8:
925 			track->textures[i].cpp = 2;
926 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
927 			break;
928 		case R300_TX_FORMAT_Y16X16:
929 		case R300_TX_FORMAT_FL_I16A16:
930 		case R300_TX_FORMAT_Z11Y11X10:
931 		case R300_TX_FORMAT_Z10Y11X11:
932 		case R300_TX_FORMAT_W8Z8Y8X8:
933 		case R300_TX_FORMAT_W2Z10Y10X10:
934 		case 0x17:
935 		case R300_TX_FORMAT_FL_I32:
936 		case 0x1e:
937 			track->textures[i].cpp = 4;
938 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
939 			break;
940 		case R300_TX_FORMAT_W16Z16Y16X16:
941 		case R300_TX_FORMAT_FL_R16G16B16A16:
942 		case R300_TX_FORMAT_FL_I32A32:
943 			track->textures[i].cpp = 8;
944 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
945 			break;
946 		case R300_TX_FORMAT_FL_R32G32B32A32:
947 			track->textures[i].cpp = 16;
948 			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
949 			break;
950 		case R300_TX_FORMAT_DXT1:
951 			track->textures[i].cpp = 1;
952 			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
953 			break;
954 		case R300_TX_FORMAT_ATI2N:
955 			if (p->rdev->family < CHIP_R420) {
956 				DRM_ERROR("Invalid texture format %u\n",
957 					  (idx_value & 0x1F));
958 				return -EINVAL;
959 			}
960 			/* The same rules apply as for DXT3/5. */
961 			/* Pass through. */
962 		case R300_TX_FORMAT_DXT3:
963 		case R300_TX_FORMAT_DXT5:
964 			track->textures[i].cpp = 1;
965 			track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
966 			break;
967 		default:
968 			DRM_ERROR("Invalid texture format %u\n",
969 				  (idx_value & 0x1F));
970 			return -EINVAL;
971 		}
972 		track->tex_dirty = true;
973 		break;
974 	case 0x4400:
975 	case 0x4404:
976 	case 0x4408:
977 	case 0x440C:
978 	case 0x4410:
979 	case 0x4414:
980 	case 0x4418:
981 	case 0x441C:
982 	case 0x4420:
983 	case 0x4424:
984 	case 0x4428:
985 	case 0x442C:
986 	case 0x4430:
987 	case 0x4434:
988 	case 0x4438:
989 	case 0x443C:
990 		/* TX_FILTER0_[0-15] */
991 		i = (reg - 0x4400) >> 2;
992 		tmp = idx_value & 0x7;
993 		if (tmp == 2 || tmp == 4 || tmp == 6) {
994 			track->textures[i].roundup_w = false;
995 		}
996 		tmp = (idx_value >> 3) & 0x7;
997 		if (tmp == 2 || tmp == 4 || tmp == 6) {
998 			track->textures[i].roundup_h = false;
999 		}
1000 		track->tex_dirty = true;
1001 		break;
1002 	case 0x4500:
1003 	case 0x4504:
1004 	case 0x4508:
1005 	case 0x450C:
1006 	case 0x4510:
1007 	case 0x4514:
1008 	case 0x4518:
1009 	case 0x451C:
1010 	case 0x4520:
1011 	case 0x4524:
1012 	case 0x4528:
1013 	case 0x452C:
1014 	case 0x4530:
1015 	case 0x4534:
1016 	case 0x4538:
1017 	case 0x453C:
1018 		/* TX_FORMAT2_[0-15] */
1019 		i = (reg - 0x4500) >> 2;
1020 		tmp = idx_value & 0x3FFF;
1021 		track->textures[i].pitch = tmp + 1;
1022 		if (p->rdev->family >= CHIP_RV515) {
1023 			tmp = ((idx_value >> 15) & 1) << 11;
1024 			track->textures[i].width_11 = tmp;
1025 			tmp = ((idx_value >> 16) & 1) << 11;
1026 			track->textures[i].height_11 = tmp;
1027 
1028 			/* ATI1N */
1029 			if (idx_value & (1 << 14)) {
1030 				/* The same rules apply as for DXT1. */
1031 				track->textures[i].compress_format =
1032 					R100_TRACK_COMP_DXT1;
1033 			}
1034 		} else if (idx_value & (1 << 14)) {
1035 			DRM_ERROR("Forbidden bit TXFORMAT_MSB\n");
1036 			return -EINVAL;
1037 		}
1038 		track->tex_dirty = true;
1039 		break;
1040 	case 0x4480:
1041 	case 0x4484:
1042 	case 0x4488:
1043 	case 0x448C:
1044 	case 0x4490:
1045 	case 0x4494:
1046 	case 0x4498:
1047 	case 0x449C:
1048 	case 0x44A0:
1049 	case 0x44A4:
1050 	case 0x44A8:
1051 	case 0x44AC:
1052 	case 0x44B0:
1053 	case 0x44B4:
1054 	case 0x44B8:
1055 	case 0x44BC:
1056 		/* TX_FORMAT0_[0-15] */
1057 		i = (reg - 0x4480) >> 2;
1058 		tmp = idx_value & 0x7FF;
1059 		track->textures[i].width = tmp + 1;
1060 		tmp = (idx_value >> 11) & 0x7FF;
1061 		track->textures[i].height = tmp + 1;
1062 		tmp = (idx_value >> 26) & 0xF;
1063 		track->textures[i].num_levels = tmp;
1064 		tmp = idx_value & (1 << 31);
1065 		track->textures[i].use_pitch = !!tmp;
1066 		tmp = (idx_value >> 22) & 0xF;
1067 		track->textures[i].txdepth = tmp;
1068 		track->tex_dirty = true;
1069 		break;
1070 	case R300_ZB_ZPASS_ADDR:
1071 		r = r100_cs_packet_next_reloc(p, &reloc);
1072 		if (r) {
1073 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1074 					idx, reg);
1075 			r100_cs_dump_packet(p, pkt);
1076 			return r;
1077 		}
1078 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1079 		break;
1080 	case 0x4e0c:
1081 		/* RB3D_COLOR_CHANNEL_MASK */
1082 		track->color_channel_mask = idx_value;
1083 		track->cb_dirty = true;
1084 		break;
1085 	case 0x43a4:
1086 		/* SC_HYPERZ_EN */
1087 		/* r300c emits this register - we need to disable hyperz for it
1088 		 * without complaining */
1089 		if (p->rdev->hyperz_filp != p->filp) {
1090 			if (idx_value & 0x1)
1091 				ib[idx] = idx_value & ~1;
1092 		}
1093 		break;
1094 	case 0x4f1c:
1095 		/* ZB_BW_CNTL */
1096 		track->zb_cb_clear = !!(idx_value & (1 << 5));
1097 		track->cb_dirty = true;
1098 		track->zb_dirty = true;
1099 		if (p->rdev->hyperz_filp != p->filp) {
1100 			if (idx_value & (R300_HIZ_ENABLE |
1101 					 R300_RD_COMP_ENABLE |
1102 					 R300_WR_COMP_ENABLE |
1103 					 R300_FAST_FILL_ENABLE))
1104 				goto fail;
1105 		}
1106 		break;
1107 	case 0x4e04:
1108 		/* RB3D_BLENDCNTL */
1109 		track->blend_read_enable = !!(idx_value & (1 << 2));
1110 		track->cb_dirty = true;
1111 		break;
1112 	case R300_RB3D_AARESOLVE_OFFSET:
1113 		r = r100_cs_packet_next_reloc(p, &reloc);
1114 		if (r) {
1115 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
1116 				  idx, reg);
1117 			r100_cs_dump_packet(p, pkt);
1118 			return r;
1119 		}
1120 		track->aa.robj = reloc->robj;
1121 		track->aa.offset = idx_value;
1122 		track->aa_dirty = true;
1123 		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1124 		break;
1125 	case R300_RB3D_AARESOLVE_PITCH:
1126 		track->aa.pitch = idx_value & 0x3FFE;
1127 		track->aa_dirty = true;
1128 		break;
1129 	case R300_RB3D_AARESOLVE_CTL:
1130 		track->aaresolve = idx_value & 0x1;
1131 		track->aa_dirty = true;
1132 		break;
1133 	case 0x4f30: /* ZB_MASK_OFFSET */
1134 	case 0x4f34: /* ZB_ZMASK_PITCH */
1135 	case 0x4f44: /* ZB_HIZ_OFFSET */
1136 	case 0x4f54: /* ZB_HIZ_PITCH */
1137 		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1138 			goto fail;
1139 		break;
1140 	case 0x4028:
1141 		if (idx_value && (p->rdev->hyperz_filp != p->filp))
1142 			goto fail;
1143 		/* GB_Z_PEQ_CONFIG */
1144 		if (p->rdev->family >= CHIP_RV350)
1145 			break;
1146 		goto fail;
1147 		break;
1148 	case 0x4be8:
1149 		/* valid register only on RV530 */
1150 		if (p->rdev->family == CHIP_RV530)
1151 			break;
1152 		/* fallthrough do not move */
1153 	default:
1154 		goto fail;
1155 	}
1156 	return 0;
1157 fail:
1158 	printk(KERN_ERR "Forbidden register 0x%04X in cs at %d (val=%08x)\n",
1159 	       reg, idx, idx_value);
1160 	return -EINVAL;
1161 }
1162 
r300_packet3_check(struct radeon_cs_parser * p,struct radeon_cs_packet * pkt)1163 static int r300_packet3_check(struct radeon_cs_parser *p,
1164 			      struct radeon_cs_packet *pkt)
1165 {
1166 	struct radeon_cs_reloc *reloc;
1167 	struct r100_cs_track *track;
1168 	volatile uint32_t *ib;
1169 	unsigned idx;
1170 	int r;
1171 
1172 	ib = p->ib->ptr;
1173 	idx = pkt->idx + 1;
1174 	track = (struct r100_cs_track *)p->track;
1175 	switch(pkt->opcode) {
1176 	case PACKET3_3D_LOAD_VBPNTR:
1177 		r = r100_packet3_load_vbpntr(p, pkt, idx);
1178 		if (r)
1179 			return r;
1180 		break;
1181 	case PACKET3_INDX_BUFFER:
1182 		r = r100_cs_packet_next_reloc(p, &reloc);
1183 		if (r) {
1184 			DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
1185 			r100_cs_dump_packet(p, pkt);
1186 			return r;
1187 		}
1188 		ib[idx+1] = radeon_get_ib_value(p, idx + 1) + ((u32)reloc->lobj.gpu_offset);
1189 		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
1190 		if (r) {
1191 			return r;
1192 		}
1193 		break;
1194 	/* Draw packet */
1195 	case PACKET3_3D_DRAW_IMMD:
1196 		/* Number of dwords is vtx_size * (num_vertices - 1)
1197 		 * PRIM_WALK must be equal to 3 vertex data in embedded
1198 		 * in cmd stream */
1199 		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1200 			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1201 			return -EINVAL;
1202 		}
1203 		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1204 		track->immd_dwords = pkt->count - 1;
1205 		r = r100_cs_track_check(p->rdev, track);
1206 		if (r) {
1207 			return r;
1208 		}
1209 		break;
1210 	case PACKET3_3D_DRAW_IMMD_2:
1211 		/* Number of dwords is vtx_size * (num_vertices - 1)
1212 		 * PRIM_WALK must be equal to 3 vertex data in embedded
1213 		 * in cmd stream */
1214 		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1215 			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
1216 			return -EINVAL;
1217 		}
1218 		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1219 		track->immd_dwords = pkt->count;
1220 		r = r100_cs_track_check(p->rdev, track);
1221 		if (r) {
1222 			return r;
1223 		}
1224 		break;
1225 	case PACKET3_3D_DRAW_VBUF:
1226 		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1227 		r = r100_cs_track_check(p->rdev, track);
1228 		if (r) {
1229 			return r;
1230 		}
1231 		break;
1232 	case PACKET3_3D_DRAW_VBUF_2:
1233 		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1234 		r = r100_cs_track_check(p->rdev, track);
1235 		if (r) {
1236 			return r;
1237 		}
1238 		break;
1239 	case PACKET3_3D_DRAW_INDX:
1240 		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1241 		r = r100_cs_track_check(p->rdev, track);
1242 		if (r) {
1243 			return r;
1244 		}
1245 		break;
1246 	case PACKET3_3D_DRAW_INDX_2:
1247 		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1248 		r = r100_cs_track_check(p->rdev, track);
1249 		if (r) {
1250 			return r;
1251 		}
1252 		break;
1253 	case PACKET3_3D_CLEAR_HIZ:
1254 	case PACKET3_3D_CLEAR_ZMASK:
1255 		if (p->rdev->hyperz_filp != p->filp)
1256 			return -EINVAL;
1257 		break;
1258 	case PACKET3_3D_CLEAR_CMASK:
1259 		if (p->rdev->cmask_filp != p->filp)
1260 			return -EINVAL;
1261 		break;
1262 	case PACKET3_NOP:
1263 		break;
1264 	default:
1265 		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
1266 		return -EINVAL;
1267 	}
1268 	return 0;
1269 }
1270 
r300_cs_parse(struct radeon_cs_parser * p)1271 int r300_cs_parse(struct radeon_cs_parser *p)
1272 {
1273 	struct radeon_cs_packet pkt;
1274 	struct r100_cs_track *track;
1275 	int r;
1276 
1277 	track = kzalloc(sizeof(*track), GFP_KERNEL);
1278 	if (track == NULL)
1279 		return -ENOMEM;
1280 	r100_cs_track_clear(p->rdev, track);
1281 	p->track = track;
1282 	do {
1283 		r = r100_cs_packet_parse(p, &pkt, p->idx);
1284 		if (r) {
1285 			return r;
1286 		}
1287 		p->idx += pkt.count + 2;
1288 		switch (pkt.type) {
1289 		case PACKET_TYPE0:
1290 			r = r100_cs_parse_packet0(p, &pkt,
1291 						  p->rdev->config.r300.reg_safe_bm,
1292 						  p->rdev->config.r300.reg_safe_bm_size,
1293 						  &r300_packet0_check);
1294 			break;
1295 		case PACKET_TYPE2:
1296 			break;
1297 		case PACKET_TYPE3:
1298 			r = r300_packet3_check(p, &pkt);
1299 			break;
1300 		default:
1301 			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
1302 			return -EINVAL;
1303 		}
1304 		if (r) {
1305 			return r;
1306 		}
1307 	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
1308 	return 0;
1309 }
1310 
r300_set_reg_safe(struct radeon_device * rdev)1311 void r300_set_reg_safe(struct radeon_device *rdev)
1312 {
1313 	rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
1314 	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
1315 }
1316 
r300_mc_program(struct radeon_device * rdev)1317 void r300_mc_program(struct radeon_device *rdev)
1318 {
1319 	struct r100_mc_save save;
1320 	int r;
1321 
1322 	r = r100_debugfs_mc_info_init(rdev);
1323 	if (r) {
1324 		dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
1325 	}
1326 
1327 	/* Stops all mc clients */
1328 	r100_mc_stop(rdev, &save);
1329 	if (rdev->flags & RADEON_IS_AGP) {
1330 		WREG32(R_00014C_MC_AGP_LOCATION,
1331 			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
1332 			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
1333 		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
1334 		WREG32(R_00015C_AGP_BASE_2,
1335 			upper_32_bits(rdev->mc.agp_base) & 0xff);
1336 	} else {
1337 		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
1338 		WREG32(R_000170_AGP_BASE, 0);
1339 		WREG32(R_00015C_AGP_BASE_2, 0);
1340 	}
1341 	/* Wait for mc idle */
1342 	if (r300_mc_wait_for_idle(rdev))
1343 		DRM_INFO("Failed to wait MC idle before programming MC.\n");
1344 	/* Program MC, should be a 32bits limited address space */
1345 	WREG32(R_000148_MC_FB_LOCATION,
1346 		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
1347 		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
1348 	r100_mc_resume(rdev, &save);
1349 }
1350 
r300_clock_startup(struct radeon_device * rdev)1351 void r300_clock_startup(struct radeon_device *rdev)
1352 {
1353 	u32 tmp;
1354 
1355 	if (radeon_dynclks != -1 && radeon_dynclks)
1356 		radeon_legacy_set_clock_gating(rdev, 1);
1357 	/* We need to force on some of the block */
1358 	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
1359 	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
1360 	if ((rdev->family == CHIP_RV350) || (rdev->family == CHIP_RV380))
1361 		tmp |= S_00000D_FORCE_VAP(1);
1362 	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
1363 }
1364 
r300_startup(struct radeon_device * rdev)1365 static int r300_startup(struct radeon_device *rdev)
1366 {
1367 	int r;
1368 
1369 	/* set common regs */
1370 	r100_set_common_regs(rdev);
1371 	/* program mc */
1372 	r300_mc_program(rdev);
1373 	/* Resume clock */
1374 	r300_clock_startup(rdev);
1375 	/* Initialize GPU configuration (# pipes, ...) */
1376 	r300_gpu_init(rdev);
1377 	/* Initialize GART (initialize after TTM so we can allocate
1378 	 * memory through TTM but finalize after TTM) */
1379 	if (rdev->flags & RADEON_IS_PCIE) {
1380 		r = rv370_pcie_gart_enable(rdev);
1381 		if (r)
1382 			return r;
1383 	}
1384 
1385 	if (rdev->family == CHIP_R300 ||
1386 	    rdev->family == CHIP_R350 ||
1387 	    rdev->family == CHIP_RV350)
1388 		r100_enable_bm(rdev);
1389 
1390 	if (rdev->flags & RADEON_IS_PCI) {
1391 		r = r100_pci_gart_enable(rdev);
1392 		if (r)
1393 			return r;
1394 	}
1395 
1396 	/* allocate wb buffer */
1397 	r = radeon_wb_init(rdev);
1398 	if (r)
1399 		return r;
1400 
1401 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
1402 	if (r) {
1403 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
1404 		return r;
1405 	}
1406 
1407 	/* Enable IRQ */
1408 	if (!rdev->irq.installed) {
1409 		r = radeon_irq_kms_init(rdev);
1410 		if (r)
1411 			return r;
1412 	}
1413 
1414 	r100_irq_set(rdev);
1415 	rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
1416 	/* 1M ring buffer */
1417 	r = r100_cp_init(rdev, 1024 * 1024);
1418 	if (r) {
1419 		dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
1420 		return r;
1421 	}
1422 
1423 	r = radeon_ib_pool_start(rdev);
1424 	if (r)
1425 		return r;
1426 
1427 	r = radeon_ib_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1428 	if (r) {
1429 		dev_err(rdev->dev, "failed testing IB (%d).\n", r);
1430 		rdev->accel_working = false;
1431 		return r;
1432 	}
1433 
1434 	return 0;
1435 }
1436 
r300_resume(struct radeon_device * rdev)1437 int r300_resume(struct radeon_device *rdev)
1438 {
1439 	int r;
1440 
1441 	/* Make sur GART are not working */
1442 	if (rdev->flags & RADEON_IS_PCIE)
1443 		rv370_pcie_gart_disable(rdev);
1444 	if (rdev->flags & RADEON_IS_PCI)
1445 		r100_pci_gart_disable(rdev);
1446 	/* Resume clock before doing reset */
1447 	r300_clock_startup(rdev);
1448 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1449 	if (radeon_asic_reset(rdev)) {
1450 		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1451 			RREG32(R_000E40_RBBM_STATUS),
1452 			RREG32(R_0007C0_CP_STAT));
1453 	}
1454 	/* post */
1455 	radeon_combios_asic_init(rdev->ddev);
1456 	/* Resume clock after posting */
1457 	r300_clock_startup(rdev);
1458 	/* Initialize surface registers */
1459 	radeon_surface_init(rdev);
1460 
1461 	rdev->accel_working = true;
1462 	r = r300_startup(rdev);
1463 	if (r) {
1464 		rdev->accel_working = false;
1465 	}
1466 	return r;
1467 }
1468 
r300_suspend(struct radeon_device * rdev)1469 int r300_suspend(struct radeon_device *rdev)
1470 {
1471 	radeon_ib_pool_suspend(rdev);
1472 	r100_cp_disable(rdev);
1473 	radeon_wb_disable(rdev);
1474 	r100_irq_disable(rdev);
1475 	if (rdev->flags & RADEON_IS_PCIE)
1476 		rv370_pcie_gart_disable(rdev);
1477 	if (rdev->flags & RADEON_IS_PCI)
1478 		r100_pci_gart_disable(rdev);
1479 	return 0;
1480 }
1481 
r300_fini(struct radeon_device * rdev)1482 void r300_fini(struct radeon_device *rdev)
1483 {
1484 	r100_cp_fini(rdev);
1485 	radeon_wb_fini(rdev);
1486 	r100_ib_fini(rdev);
1487 	radeon_gem_fini(rdev);
1488 	if (rdev->flags & RADEON_IS_PCIE)
1489 		rv370_pcie_gart_fini(rdev);
1490 	if (rdev->flags & RADEON_IS_PCI)
1491 		r100_pci_gart_fini(rdev);
1492 	radeon_agp_fini(rdev);
1493 	radeon_irq_kms_fini(rdev);
1494 	radeon_fence_driver_fini(rdev);
1495 	radeon_bo_fini(rdev);
1496 	radeon_atombios_fini(rdev);
1497 	kfree(rdev->bios);
1498 	rdev->bios = NULL;
1499 }
1500 
r300_init(struct radeon_device * rdev)1501 int r300_init(struct radeon_device *rdev)
1502 {
1503 	int r;
1504 
1505 	/* Disable VGA */
1506 	r100_vga_render_disable(rdev);
1507 	/* Initialize scratch registers */
1508 	radeon_scratch_init(rdev);
1509 	/* Initialize surface registers */
1510 	radeon_surface_init(rdev);
1511 	/* TODO: disable VGA need to use VGA request */
1512 	/* restore some register to sane defaults */
1513 	r100_restore_sanity(rdev);
1514 	/* BIOS*/
1515 	if (!radeon_get_bios(rdev)) {
1516 		if (ASIC_IS_AVIVO(rdev))
1517 			return -EINVAL;
1518 	}
1519 	if (rdev->is_atom_bios) {
1520 		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
1521 		return -EINVAL;
1522 	} else {
1523 		r = radeon_combios_init(rdev);
1524 		if (r)
1525 			return r;
1526 	}
1527 	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
1528 	if (radeon_asic_reset(rdev)) {
1529 		dev_warn(rdev->dev,
1530 			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
1531 			RREG32(R_000E40_RBBM_STATUS),
1532 			RREG32(R_0007C0_CP_STAT));
1533 	}
1534 	/* check if cards are posted or not */
1535 	if (radeon_boot_test_post_card(rdev) == false)
1536 		return -EINVAL;
1537 	/* Set asic errata */
1538 	r300_errata(rdev);
1539 	/* Initialize clocks */
1540 	radeon_get_clock_info(rdev->ddev);
1541 	/* initialize AGP */
1542 	if (rdev->flags & RADEON_IS_AGP) {
1543 		r = radeon_agp_init(rdev);
1544 		if (r) {
1545 			radeon_agp_disable(rdev);
1546 		}
1547 	}
1548 	/* initialize memory controller */
1549 	r300_mc_init(rdev);
1550 	/* Fence driver */
1551 	r = radeon_fence_driver_init(rdev);
1552 	if (r)
1553 		return r;
1554 	/* Memory manager */
1555 	r = radeon_bo_init(rdev);
1556 	if (r)
1557 		return r;
1558 	if (rdev->flags & RADEON_IS_PCIE) {
1559 		r = rv370_pcie_gart_init(rdev);
1560 		if (r)
1561 			return r;
1562 	}
1563 	if (rdev->flags & RADEON_IS_PCI) {
1564 		r = r100_pci_gart_init(rdev);
1565 		if (r)
1566 			return r;
1567 	}
1568 	r300_set_reg_safe(rdev);
1569 
1570 	r = radeon_ib_pool_init(rdev);
1571 	rdev->accel_working = true;
1572 	if (r) {
1573 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
1574 		rdev->accel_working = false;
1575 	}
1576 
1577 	r = r300_startup(rdev);
1578 	if (r) {
1579 		/* Somethings want wront with the accel init stop accel */
1580 		dev_err(rdev->dev, "Disabling GPU acceleration\n");
1581 		r100_cp_fini(rdev);
1582 		radeon_wb_fini(rdev);
1583 		r100_ib_fini(rdev);
1584 		radeon_irq_kms_fini(rdev);
1585 		if (rdev->flags & RADEON_IS_PCIE)
1586 			rv370_pcie_gart_fini(rdev);
1587 		if (rdev->flags & RADEON_IS_PCI)
1588 			r100_pci_gart_fini(rdev);
1589 		radeon_agp_fini(rdev);
1590 		rdev->accel_working = false;
1591 	}
1592 	return 0;
1593 }
1594