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2002c9c3 | 1 | /* Copyright (c) 2016-2017 The Linux Foundation. All rights reserved. |
b5f103ab JC |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License version 2 and | |
5 | * only version 2 as published by the Free Software Foundation. | |
6 | * | |
7 | * This program is distributed in the hope that it will be useful, | |
8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
10 | * GNU General Public License for more details. | |
11 | * | |
12 | */ | |
13 | ||
7c65817e JC |
14 | #include <linux/types.h> |
15 | #include <linux/cpumask.h> | |
16 | #include <linux/qcom_scm.h> | |
17 | #include <linux/dma-mapping.h> | |
8f93e043 | 18 | #include <linux/of_address.h> |
7c65817e | 19 | #include <linux/soc/qcom/mdt_loader.h> |
f56d9df6 JC |
20 | #include <linux/pm_opp.h> |
21 | #include <linux/nvmem-consumer.h> | |
b5f103ab | 22 | #include "msm_gem.h" |
7f8036b7 | 23 | #include "msm_mmu.h" |
b5f103ab JC |
24 | #include "a5xx_gpu.h" |
25 | ||
26 | extern bool hang_debug; | |
27 | static void a5xx_dump(struct msm_gpu *gpu); | |
28 | ||
7c65817e JC |
29 | #define GPU_PAS_ID 13 |
30 | ||
e8f3de96 | 31 | static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname) |
7c65817e | 32 | { |
e8f3de96 | 33 | struct device *dev = &gpu->pdev->dev; |
7c65817e | 34 | const struct firmware *fw; |
8f93e043 AB |
35 | struct device_node *np; |
36 | struct resource r; | |
7c65817e JC |
37 | phys_addr_t mem_phys; |
38 | ssize_t mem_size; | |
39 | void *mem_region = NULL; | |
40 | int ret; | |
41 | ||
bdab8e8b AB |
42 | if (!IS_ENABLED(CONFIG_ARCH_QCOM)) |
43 | return -EINVAL; | |
44 | ||
8f93e043 AB |
45 | np = of_get_child_by_name(dev->of_node, "zap-shader"); |
46 | if (!np) | |
47 | return -ENODEV; | |
48 | ||
49 | np = of_parse_phandle(np, "memory-region", 0); | |
50 | if (!np) | |
51 | return -EINVAL; | |
52 | ||
53 | ret = of_address_to_resource(np, 0, &r); | |
54 | if (ret) | |
55 | return ret; | |
56 | ||
57 | mem_phys = r.start; | |
58 | mem_size = resource_size(&r); | |
59 | ||
7c65817e | 60 | /* Request the MDT file for the firmware */ |
e8f3de96 RC |
61 | fw = adreno_request_fw(to_adreno_gpu(gpu), fwname); |
62 | if (IS_ERR(fw)) { | |
7c65817e | 63 | DRM_DEV_ERROR(dev, "Unable to load %s\n", fwname); |
e8f3de96 | 64 | return PTR_ERR(fw); |
7c65817e JC |
65 | } |
66 | ||
67 | /* Figure out how much memory we need */ | |
68 | mem_size = qcom_mdt_get_size(fw); | |
69 | if (mem_size < 0) { | |
70 | ret = mem_size; | |
71 | goto out; | |
72 | } | |
73 | ||
74 | /* Allocate memory for the firmware image */ | |
8f93e043 | 75 | mem_region = memremap(mem_phys, mem_size, MEMREMAP_WC); |
7c65817e JC |
76 | if (!mem_region) { |
77 | ret = -ENOMEM; | |
78 | goto out; | |
79 | } | |
80 | ||
2c41ef1b RC |
81 | /* |
82 | * Load the rest of the MDT | |
83 | * | |
84 | * Note that we could be dealing with two different paths, since | |
85 | * with upstream linux-firmware it would be in a qcom/ subdir.. | |
86 | * adreno_request_fw() handles this, but qcom_mdt_load() does | |
87 | * not. But since we've already gotten thru adreno_request_fw() | |
88 | * we know which of the two cases it is: | |
89 | */ | |
90 | if (to_adreno_gpu(gpu)->fwloc == FW_LOCATION_LEGACY) { | |
91 | ret = qcom_mdt_load(dev, fw, fwname, GPU_PAS_ID, | |
4dd27f54 | 92 | mem_region, mem_phys, mem_size, NULL); |
2c41ef1b RC |
93 | } else { |
94 | char newname[strlen("qcom/") + strlen(fwname) + 1]; | |
95 | ||
96 | sprintf(newname, "qcom/%s", fwname); | |
97 | ||
98 | ret = qcom_mdt_load(dev, fw, newname, GPU_PAS_ID, | |
4dd27f54 | 99 | mem_region, mem_phys, mem_size, NULL); |
2c41ef1b | 100 | } |
7c65817e JC |
101 | if (ret) |
102 | goto out; | |
103 | ||
104 | /* Send the image to the secure world */ | |
105 | ret = qcom_scm_pas_auth_and_reset(GPU_PAS_ID); | |
106 | if (ret) | |
107 | DRM_DEV_ERROR(dev, "Unable to authorize the image\n"); | |
108 | ||
109 | out: | |
8f93e043 AB |
110 | if (mem_region) |
111 | memunmap(mem_region); | |
112 | ||
7c65817e JC |
113 | release_firmware(fw); |
114 | ||
115 | return ret; | |
116 | } | |
7c65817e | 117 | |
b1fc2839 JC |
118 | static void a5xx_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring) |
119 | { | |
120 | struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); | |
121 | struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); | |
122 | uint32_t wptr; | |
123 | unsigned long flags; | |
124 | ||
125 | spin_lock_irqsave(&ring->lock, flags); | |
126 | ||
127 | /* Copy the shadow to the actual register */ | |
128 | ring->cur = ring->next; | |
129 | ||
130 | /* Make sure to wrap wptr if we need to */ | |
131 | wptr = get_wptr(ring); | |
132 | ||
133 | spin_unlock_irqrestore(&ring->lock, flags); | |
134 | ||
135 | /* Make sure everything is posted before making a decision */ | |
136 | mb(); | |
137 | ||
138 | /* Update HW if this is the current ring and we are not in preempt */ | |
139 | if (a5xx_gpu->cur_ring == ring && !a5xx_in_preempt(a5xx_gpu)) | |
140 | gpu_write(gpu, REG_A5XX_CP_RB_WPTR, wptr); | |
141 | } | |
142 | ||
6a8bd08d RC |
143 | static void a5xx_submit_in_rb(struct msm_gpu *gpu, struct msm_gem_submit *submit, |
144 | struct msm_file_private *ctx) | |
145 | { | |
146 | struct msm_drm_private *priv = gpu->dev->dev_private; | |
147 | struct msm_ringbuffer *ring = submit->ring; | |
148 | struct msm_gem_object *obj; | |
149 | uint32_t *ptr, dwords; | |
150 | unsigned int i; | |
151 | ||
152 | for (i = 0; i < submit->nr_cmds; i++) { | |
153 | switch (submit->cmd[i].type) { | |
154 | case MSM_SUBMIT_CMD_IB_TARGET_BUF: | |
155 | break; | |
156 | case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: | |
157 | if (priv->lastctx == ctx) | |
158 | break; | |
159 | case MSM_SUBMIT_CMD_BUF: | |
160 | /* copy commands into RB: */ | |
161 | obj = submit->bos[submit->cmd[i].idx].obj; | |
162 | dwords = submit->cmd[i].size; | |
163 | ||
164 | ptr = msm_gem_get_vaddr(&obj->base); | |
165 | ||
166 | /* _get_vaddr() shouldn't fail at this point, | |
167 | * since we've already mapped it once in | |
168 | * submit_reloc() | |
169 | */ | |
170 | if (WARN_ON(!ptr)) | |
171 | return; | |
172 | ||
173 | for (i = 0; i < dwords; i++) { | |
174 | /* normally the OUT_PKTn() would wait | |
175 | * for space for the packet. But since | |
176 | * we just OUT_RING() the whole thing, | |
177 | * need to call adreno_wait_ring() | |
178 | * ourself: | |
179 | */ | |
180 | adreno_wait_ring(ring, 1); | |
181 | OUT_RING(ring, ptr[i]); | |
182 | } | |
183 | ||
184 | msm_gem_put_vaddr(&obj->base); | |
185 | ||
186 | break; | |
187 | } | |
188 | } | |
189 | ||
190 | a5xx_flush(gpu, ring); | |
191 | a5xx_preempt_trigger(gpu); | |
192 | ||
193 | /* we might not necessarily have a cmd from userspace to | |
194 | * trigger an event to know that submit has completed, so | |
195 | * do this manually: | |
196 | */ | |
197 | a5xx_idle(gpu, ring); | |
198 | ring->memptrs->fence = submit->seqno; | |
199 | msm_gpu_retire(gpu); | |
200 | } | |
201 | ||
b5f103ab JC |
202 | static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, |
203 | struct msm_file_private *ctx) | |
204 | { | |
b1fc2839 JC |
205 | struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); |
206 | struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); | |
b5f103ab | 207 | struct msm_drm_private *priv = gpu->dev->dev_private; |
f97decac | 208 | struct msm_ringbuffer *ring = submit->ring; |
b5f103ab JC |
209 | unsigned int i, ibs = 0; |
210 | ||
6a8bd08d RC |
211 | if (IS_ENABLED(CONFIG_DRM_MSM_GPU_SUDO) && submit->in_rb) { |
212 | priv->lastctx = NULL; | |
213 | a5xx_submit_in_rb(gpu, submit, ctx); | |
214 | return; | |
215 | } | |
216 | ||
b1fc2839 JC |
217 | OUT_PKT7(ring, CP_PREEMPT_ENABLE_GLOBAL, 1); |
218 | OUT_RING(ring, 0x02); | |
219 | ||
220 | /* Turn off protected mode to write to special registers */ | |
221 | OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1); | |
222 | OUT_RING(ring, 0); | |
223 | ||
224 | /* Set the save preemption record for the ring/command */ | |
225 | OUT_PKT4(ring, REG_A5XX_CP_CONTEXT_SWITCH_SAVE_ADDR_LO, 2); | |
226 | OUT_RING(ring, lower_32_bits(a5xx_gpu->preempt_iova[submit->ring->id])); | |
227 | OUT_RING(ring, upper_32_bits(a5xx_gpu->preempt_iova[submit->ring->id])); | |
228 | ||
229 | /* Turn back on protected mode */ | |
230 | OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1); | |
231 | OUT_RING(ring, 1); | |
232 | ||
233 | /* Enable local preemption for finegrain preemption */ | |
234 | OUT_PKT7(ring, CP_PREEMPT_ENABLE_GLOBAL, 1); | |
235 | OUT_RING(ring, 0x02); | |
236 | ||
237 | /* Allow CP_CONTEXT_SWITCH_YIELD packets in the IB2 */ | |
238 | OUT_PKT7(ring, CP_YIELD_ENABLE, 1); | |
239 | OUT_RING(ring, 0x02); | |
240 | ||
241 | /* Submit the commands */ | |
b5f103ab JC |
242 | for (i = 0; i < submit->nr_cmds; i++) { |
243 | switch (submit->cmd[i].type) { | |
244 | case MSM_SUBMIT_CMD_IB_TARGET_BUF: | |
245 | break; | |
246 | case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: | |
247 | if (priv->lastctx == ctx) | |
248 | break; | |
249 | case MSM_SUBMIT_CMD_BUF: | |
250 | OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3); | |
251 | OUT_RING(ring, lower_32_bits(submit->cmd[i].iova)); | |
252 | OUT_RING(ring, upper_32_bits(submit->cmd[i].iova)); | |
253 | OUT_RING(ring, submit->cmd[i].size); | |
254 | ibs++; | |
255 | break; | |
256 | } | |
257 | } | |
258 | ||
b1fc2839 JC |
259 | /* |
260 | * Write the render mode to NULL (0) to indicate to the CP that the IBs | |
261 | * are done rendering - otherwise a lucky preemption would start | |
262 | * replaying from the last checkpoint | |
263 | */ | |
264 | OUT_PKT7(ring, CP_SET_RENDER_MODE, 5); | |
265 | OUT_RING(ring, 0); | |
266 | OUT_RING(ring, 0); | |
267 | OUT_RING(ring, 0); | |
268 | OUT_RING(ring, 0); | |
269 | OUT_RING(ring, 0); | |
270 | ||
271 | /* Turn off IB level preemptions */ | |
272 | OUT_PKT7(ring, CP_YIELD_ENABLE, 1); | |
273 | OUT_RING(ring, 0x01); | |
274 | ||
275 | /* Write the fence to the scratch register */ | |
b5f103ab | 276 | OUT_PKT4(ring, REG_A5XX_CP_SCRATCH_REG(2), 1); |
f97decac | 277 | OUT_RING(ring, submit->seqno); |
b5f103ab | 278 | |
b1fc2839 JC |
279 | /* |
280 | * Execute a CACHE_FLUSH_TS event. This will ensure that the | |
281 | * timestamp is written to the memory and then triggers the interrupt | |
282 | */ | |
b5f103ab JC |
283 | OUT_PKT7(ring, CP_EVENT_WRITE, 4); |
284 | OUT_RING(ring, CACHE_FLUSH_TS | (1 << 31)); | |
f97decac JC |
285 | OUT_RING(ring, lower_32_bits(rbmemptr(ring, fence))); |
286 | OUT_RING(ring, upper_32_bits(rbmemptr(ring, fence))); | |
287 | OUT_RING(ring, submit->seqno); | |
b5f103ab | 288 | |
b1fc2839 JC |
289 | /* Yield the floor on command completion */ |
290 | OUT_PKT7(ring, CP_CONTEXT_SWITCH_YIELD, 4); | |
291 | /* | |
292 | * If dword[2:1] are non zero, they specify an address for the CP to | |
293 | * write the value of dword[3] to on preemption complete. Write 0 to | |
294 | * skip the write | |
295 | */ | |
296 | OUT_RING(ring, 0x00); | |
297 | OUT_RING(ring, 0x00); | |
298 | /* Data value - not used if the address above is 0 */ | |
299 | OUT_RING(ring, 0x01); | |
300 | /* Set bit 0 to trigger an interrupt on preempt complete */ | |
301 | OUT_RING(ring, 0x01); | |
302 | ||
303 | a5xx_flush(gpu, ring); | |
304 | ||
305 | /* Check to see if we need to start preemption */ | |
306 | a5xx_preempt_trigger(gpu); | |
b5f103ab JC |
307 | } |
308 | ||
6e749e59 | 309 | static const struct { |
b5f103ab JC |
310 | u32 offset; |
311 | u32 value; | |
6e749e59 | 312 | } a5xx_hwcg[] = { |
b5f103ab JC |
313 | {REG_A5XX_RBBM_CLOCK_CNTL_SP0, 0x02222222}, |
314 | {REG_A5XX_RBBM_CLOCK_CNTL_SP1, 0x02222222}, | |
315 | {REG_A5XX_RBBM_CLOCK_CNTL_SP2, 0x02222222}, | |
316 | {REG_A5XX_RBBM_CLOCK_CNTL_SP3, 0x02222222}, | |
317 | {REG_A5XX_RBBM_CLOCK_CNTL2_SP0, 0x02222220}, | |
318 | {REG_A5XX_RBBM_CLOCK_CNTL2_SP1, 0x02222220}, | |
319 | {REG_A5XX_RBBM_CLOCK_CNTL2_SP2, 0x02222220}, | |
320 | {REG_A5XX_RBBM_CLOCK_CNTL2_SP3, 0x02222220}, | |
321 | {REG_A5XX_RBBM_CLOCK_HYST_SP0, 0x0000F3CF}, | |
322 | {REG_A5XX_RBBM_CLOCK_HYST_SP1, 0x0000F3CF}, | |
323 | {REG_A5XX_RBBM_CLOCK_HYST_SP2, 0x0000F3CF}, | |
324 | {REG_A5XX_RBBM_CLOCK_HYST_SP3, 0x0000F3CF}, | |
325 | {REG_A5XX_RBBM_CLOCK_DELAY_SP0, 0x00000080}, | |
326 | {REG_A5XX_RBBM_CLOCK_DELAY_SP1, 0x00000080}, | |
327 | {REG_A5XX_RBBM_CLOCK_DELAY_SP2, 0x00000080}, | |
328 | {REG_A5XX_RBBM_CLOCK_DELAY_SP3, 0x00000080}, | |
329 | {REG_A5XX_RBBM_CLOCK_CNTL_TP0, 0x22222222}, | |
330 | {REG_A5XX_RBBM_CLOCK_CNTL_TP1, 0x22222222}, | |
331 | {REG_A5XX_RBBM_CLOCK_CNTL_TP2, 0x22222222}, | |
332 | {REG_A5XX_RBBM_CLOCK_CNTL_TP3, 0x22222222}, | |
333 | {REG_A5XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222}, | |
334 | {REG_A5XX_RBBM_CLOCK_CNTL2_TP1, 0x22222222}, | |
335 | {REG_A5XX_RBBM_CLOCK_CNTL2_TP2, 0x22222222}, | |
336 | {REG_A5XX_RBBM_CLOCK_CNTL2_TP3, 0x22222222}, | |
337 | {REG_A5XX_RBBM_CLOCK_CNTL3_TP0, 0x00002222}, | |
338 | {REG_A5XX_RBBM_CLOCK_CNTL3_TP1, 0x00002222}, | |
339 | {REG_A5XX_RBBM_CLOCK_CNTL3_TP2, 0x00002222}, | |
340 | {REG_A5XX_RBBM_CLOCK_CNTL3_TP3, 0x00002222}, | |
341 | {REG_A5XX_RBBM_CLOCK_HYST_TP0, 0x77777777}, | |
342 | {REG_A5XX_RBBM_CLOCK_HYST_TP1, 0x77777777}, | |
343 | {REG_A5XX_RBBM_CLOCK_HYST_TP2, 0x77777777}, | |
344 | {REG_A5XX_RBBM_CLOCK_HYST_TP3, 0x77777777}, | |
345 | {REG_A5XX_RBBM_CLOCK_HYST2_TP0, 0x77777777}, | |
346 | {REG_A5XX_RBBM_CLOCK_HYST2_TP1, 0x77777777}, | |
347 | {REG_A5XX_RBBM_CLOCK_HYST2_TP2, 0x77777777}, | |
348 | {REG_A5XX_RBBM_CLOCK_HYST2_TP3, 0x77777777}, | |
349 | {REG_A5XX_RBBM_CLOCK_HYST3_TP0, 0x00007777}, | |
350 | {REG_A5XX_RBBM_CLOCK_HYST3_TP1, 0x00007777}, | |
351 | {REG_A5XX_RBBM_CLOCK_HYST3_TP2, 0x00007777}, | |
352 | {REG_A5XX_RBBM_CLOCK_HYST3_TP3, 0x00007777}, | |
353 | {REG_A5XX_RBBM_CLOCK_DELAY_TP0, 0x11111111}, | |
354 | {REG_A5XX_RBBM_CLOCK_DELAY_TP1, 0x11111111}, | |
355 | {REG_A5XX_RBBM_CLOCK_DELAY_TP2, 0x11111111}, | |
356 | {REG_A5XX_RBBM_CLOCK_DELAY_TP3, 0x11111111}, | |
357 | {REG_A5XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111}, | |
358 | {REG_A5XX_RBBM_CLOCK_DELAY2_TP1, 0x11111111}, | |
359 | {REG_A5XX_RBBM_CLOCK_DELAY2_TP2, 0x11111111}, | |
360 | {REG_A5XX_RBBM_CLOCK_DELAY2_TP3, 0x11111111}, | |
361 | {REG_A5XX_RBBM_CLOCK_DELAY3_TP0, 0x00001111}, | |
362 | {REG_A5XX_RBBM_CLOCK_DELAY3_TP1, 0x00001111}, | |
363 | {REG_A5XX_RBBM_CLOCK_DELAY3_TP2, 0x00001111}, | |
364 | {REG_A5XX_RBBM_CLOCK_DELAY3_TP3, 0x00001111}, | |
365 | {REG_A5XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222}, | |
366 | {REG_A5XX_RBBM_CLOCK_CNTL2_UCHE, 0x22222222}, | |
367 | {REG_A5XX_RBBM_CLOCK_CNTL3_UCHE, 0x22222222}, | |
368 | {REG_A5XX_RBBM_CLOCK_CNTL4_UCHE, 0x00222222}, | |
369 | {REG_A5XX_RBBM_CLOCK_HYST_UCHE, 0x00444444}, | |
370 | {REG_A5XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002}, | |
371 | {REG_A5XX_RBBM_CLOCK_CNTL_RB0, 0x22222222}, | |
372 | {REG_A5XX_RBBM_CLOCK_CNTL_RB1, 0x22222222}, | |
373 | {REG_A5XX_RBBM_CLOCK_CNTL_RB2, 0x22222222}, | |
374 | {REG_A5XX_RBBM_CLOCK_CNTL_RB3, 0x22222222}, | |
375 | {REG_A5XX_RBBM_CLOCK_CNTL2_RB0, 0x00222222}, | |
376 | {REG_A5XX_RBBM_CLOCK_CNTL2_RB1, 0x00222222}, | |
377 | {REG_A5XX_RBBM_CLOCK_CNTL2_RB2, 0x00222222}, | |
378 | {REG_A5XX_RBBM_CLOCK_CNTL2_RB3, 0x00222222}, | |
379 | {REG_A5XX_RBBM_CLOCK_CNTL_CCU0, 0x00022220}, | |
380 | {REG_A5XX_RBBM_CLOCK_CNTL_CCU1, 0x00022220}, | |
381 | {REG_A5XX_RBBM_CLOCK_CNTL_CCU2, 0x00022220}, | |
382 | {REG_A5XX_RBBM_CLOCK_CNTL_CCU3, 0x00022220}, | |
383 | {REG_A5XX_RBBM_CLOCK_CNTL_RAC, 0x05522222}, | |
384 | {REG_A5XX_RBBM_CLOCK_CNTL2_RAC, 0x00505555}, | |
385 | {REG_A5XX_RBBM_CLOCK_HYST_RB_CCU0, 0x04040404}, | |
386 | {REG_A5XX_RBBM_CLOCK_HYST_RB_CCU1, 0x04040404}, | |
387 | {REG_A5XX_RBBM_CLOCK_HYST_RB_CCU2, 0x04040404}, | |
388 | {REG_A5XX_RBBM_CLOCK_HYST_RB_CCU3, 0x04040404}, | |
389 | {REG_A5XX_RBBM_CLOCK_HYST_RAC, 0x07444044}, | |
390 | {REG_A5XX_RBBM_CLOCK_DELAY_RB_CCU_L1_0, 0x00000002}, | |
391 | {REG_A5XX_RBBM_CLOCK_DELAY_RB_CCU_L1_1, 0x00000002}, | |
392 | {REG_A5XX_RBBM_CLOCK_DELAY_RB_CCU_L1_2, 0x00000002}, | |
393 | {REG_A5XX_RBBM_CLOCK_DELAY_RB_CCU_L1_3, 0x00000002}, | |
394 | {REG_A5XX_RBBM_CLOCK_DELAY_RAC, 0x00010011}, | |
395 | {REG_A5XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222}, | |
396 | {REG_A5XX_RBBM_CLOCK_MODE_GPC, 0x02222222}, | |
397 | {REG_A5XX_RBBM_CLOCK_MODE_VFD, 0x00002222}, | |
398 | {REG_A5XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000}, | |
399 | {REG_A5XX_RBBM_CLOCK_HYST_GPC, 0x04104004}, | |
400 | {REG_A5XX_RBBM_CLOCK_HYST_VFD, 0x00000000}, | |
401 | {REG_A5XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000}, | |
402 | {REG_A5XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000}, | |
403 | {REG_A5XX_RBBM_CLOCK_DELAY_GPC, 0x00000200}, | |
404 | {REG_A5XX_RBBM_CLOCK_DELAY_VFD, 0x00002222} | |
405 | }; | |
406 | ||
6e749e59 | 407 | void a5xx_set_hwcg(struct msm_gpu *gpu, bool state) |
b5f103ab JC |
408 | { |
409 | unsigned int i; | |
410 | ||
6e749e59 JC |
411 | for (i = 0; i < ARRAY_SIZE(a5xx_hwcg); i++) |
412 | gpu_write(gpu, a5xx_hwcg[i].offset, | |
413 | state ? a5xx_hwcg[i].value : 0); | |
b5f103ab | 414 | |
6e749e59 JC |
415 | gpu_write(gpu, REG_A5XX_RBBM_CLOCK_CNTL, state ? 0xAAA8AA00 : 0); |
416 | gpu_write(gpu, REG_A5XX_RBBM_ISDB_CNT, state ? 0x182 : 0x180); | |
b5f103ab JC |
417 | } |
418 | ||
419 | static int a5xx_me_init(struct msm_gpu *gpu) | |
420 | { | |
421 | struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); | |
f97decac | 422 | struct msm_ringbuffer *ring = gpu->rb[0]; |
b5f103ab JC |
423 | |
424 | OUT_PKT7(ring, CP_ME_INIT, 8); | |
425 | ||
426 | OUT_RING(ring, 0x0000002F); | |
427 | ||
428 | /* Enable multiple hardware contexts */ | |
429 | OUT_RING(ring, 0x00000003); | |
430 | ||
431 | /* Enable error detection */ | |
432 | OUT_RING(ring, 0x20000000); | |
433 | ||
434 | /* Don't enable header dump */ | |
435 | OUT_RING(ring, 0x00000000); | |
436 | OUT_RING(ring, 0x00000000); | |
437 | ||
438 | /* Specify workarounds for various microcode issues */ | |
439 | if (adreno_is_a530(adreno_gpu)) { | |
440 | /* Workaround for token end syncs | |
441 | * Force a WFI after every direct-render 3D mode draw and every | |
442 | * 2D mode 3 draw | |
443 | */ | |
444 | OUT_RING(ring, 0x0000000B); | |
445 | } else { | |
446 | /* No workarounds enabled */ | |
447 | OUT_RING(ring, 0x00000000); | |
448 | } | |
449 | ||
450 | OUT_RING(ring, 0x00000000); | |
451 | OUT_RING(ring, 0x00000000); | |
452 | ||
f97decac JC |
453 | gpu->funcs->flush(gpu, ring); |
454 | return a5xx_idle(gpu, ring) ? 0 : -EINVAL; | |
b5f103ab JC |
455 | } |
456 | ||
b1fc2839 JC |
457 | static int a5xx_preempt_start(struct msm_gpu *gpu) |
458 | { | |
459 | struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); | |
460 | struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); | |
461 | struct msm_ringbuffer *ring = gpu->rb[0]; | |
462 | ||
463 | if (gpu->nr_rings == 1) | |
464 | return 0; | |
465 | ||
466 | /* Turn off protected mode to write to special registers */ | |
467 | OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1); | |
468 | OUT_RING(ring, 0); | |
469 | ||
470 | /* Set the save preemption record for the ring/command */ | |
471 | OUT_PKT4(ring, REG_A5XX_CP_CONTEXT_SWITCH_SAVE_ADDR_LO, 2); | |
472 | OUT_RING(ring, lower_32_bits(a5xx_gpu->preempt_iova[ring->id])); | |
473 | OUT_RING(ring, upper_32_bits(a5xx_gpu->preempt_iova[ring->id])); | |
474 | ||
475 | /* Turn back on protected mode */ | |
476 | OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1); | |
477 | OUT_RING(ring, 1); | |
478 | ||
479 | OUT_PKT7(ring, CP_PREEMPT_ENABLE_GLOBAL, 1); | |
480 | OUT_RING(ring, 0x00); | |
481 | ||
482 | OUT_PKT7(ring, CP_PREEMPT_ENABLE_LOCAL, 1); | |
483 | OUT_RING(ring, 0x01); | |
484 | ||
485 | OUT_PKT7(ring, CP_YIELD_ENABLE, 1); | |
486 | OUT_RING(ring, 0x01); | |
487 | ||
488 | /* Yield the floor on command completion */ | |
489 | OUT_PKT7(ring, CP_CONTEXT_SWITCH_YIELD, 4); | |
490 | OUT_RING(ring, 0x00); | |
491 | OUT_RING(ring, 0x00); | |
492 | OUT_RING(ring, 0x01); | |
493 | OUT_RING(ring, 0x01); | |
494 | ||
495 | gpu->funcs->flush(gpu, ring); | |
496 | ||
497 | return a5xx_idle(gpu, ring) ? 0 : -EINVAL; | |
498 | } | |
499 | ||
b5f103ab JC |
500 | static int a5xx_ucode_init(struct msm_gpu *gpu) |
501 | { | |
502 | struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); | |
503 | struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); | |
504 | int ret; | |
505 | ||
506 | if (!a5xx_gpu->pm4_bo) { | |
9de43e79 | 507 | a5xx_gpu->pm4_bo = adreno_fw_create_bo(gpu, |
c5e3548c | 508 | adreno_gpu->fw[ADRENO_FW_PM4], &a5xx_gpu->pm4_iova); |
b5f103ab JC |
509 | |
510 | if (IS_ERR(a5xx_gpu->pm4_bo)) { | |
511 | ret = PTR_ERR(a5xx_gpu->pm4_bo); | |
512 | a5xx_gpu->pm4_bo = NULL; | |
513 | dev_err(gpu->dev->dev, "could not allocate PM4: %d\n", | |
514 | ret); | |
515 | return ret; | |
516 | } | |
517 | } | |
518 | ||
519 | if (!a5xx_gpu->pfp_bo) { | |
9de43e79 | 520 | a5xx_gpu->pfp_bo = adreno_fw_create_bo(gpu, |
c5e3548c | 521 | adreno_gpu->fw[ADRENO_FW_PFP], &a5xx_gpu->pfp_iova); |
b5f103ab JC |
522 | |
523 | if (IS_ERR(a5xx_gpu->pfp_bo)) { | |
524 | ret = PTR_ERR(a5xx_gpu->pfp_bo); | |
525 | a5xx_gpu->pfp_bo = NULL; | |
526 | dev_err(gpu->dev->dev, "could not allocate PFP: %d\n", | |
527 | ret); | |
528 | return ret; | |
529 | } | |
530 | } | |
531 | ||
532 | gpu_write64(gpu, REG_A5XX_CP_ME_INSTR_BASE_LO, | |
533 | REG_A5XX_CP_ME_INSTR_BASE_HI, a5xx_gpu->pm4_iova); | |
534 | ||
535 | gpu_write64(gpu, REG_A5XX_CP_PFP_INSTR_BASE_LO, | |
536 | REG_A5XX_CP_PFP_INSTR_BASE_HI, a5xx_gpu->pfp_iova); | |
537 | ||
538 | return 0; | |
539 | } | |
540 | ||
7c65817e JC |
541 | #define SCM_GPU_ZAP_SHADER_RESUME 0 |
542 | ||
543 | static int a5xx_zap_shader_resume(struct msm_gpu *gpu) | |
544 | { | |
545 | int ret; | |
546 | ||
547 | ret = qcom_scm_set_remote_state(SCM_GPU_ZAP_SHADER_RESUME, GPU_PAS_ID); | |
548 | if (ret) | |
549 | DRM_ERROR("%s: zap-shader resume failed: %d\n", | |
550 | gpu->name, ret); | |
551 | ||
552 | return ret; | |
553 | } | |
554 | ||
7c65817e JC |
555 | static int a5xx_zap_shader_init(struct msm_gpu *gpu) |
556 | { | |
557 | static bool loaded; | |
558 | struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); | |
8d6f0827 | 559 | struct platform_device *pdev = gpu->pdev; |
7c65817e JC |
560 | int ret; |
561 | ||
562 | /* | |
563 | * If the zap shader is already loaded into memory we just need to kick | |
564 | * the remote processor to reinitialize it | |
565 | */ | |
566 | if (loaded) | |
567 | return a5xx_zap_shader_resume(gpu); | |
568 | ||
569 | /* We need SCM to be able to load the firmware */ | |
570 | if (!qcom_scm_is_available()) { | |
571 | DRM_DEV_ERROR(&pdev->dev, "SCM is not available\n"); | |
572 | return -EPROBE_DEFER; | |
573 | } | |
574 | ||
575 | /* Each GPU has a target specific zap shader firmware name to use */ | |
576 | if (!adreno_gpu->info->zapfw) { | |
577 | DRM_DEV_ERROR(&pdev->dev, | |
578 | "Zap shader firmware file not specified for this target\n"); | |
579 | return -ENODEV; | |
580 | } | |
581 | ||
e8f3de96 | 582 | ret = zap_shader_load_mdt(gpu, adreno_gpu->info->zapfw); |
7c65817e JC |
583 | |
584 | loaded = !ret; | |
585 | ||
586 | return ret; | |
587 | } | |
588 | ||
b5f103ab JC |
589 | #define A5XX_INT_MASK (A5XX_RBBM_INT_0_MASK_RBBM_AHB_ERROR | \ |
590 | A5XX_RBBM_INT_0_MASK_RBBM_TRANSFER_TIMEOUT | \ | |
591 | A5XX_RBBM_INT_0_MASK_RBBM_ME_MS_TIMEOUT | \ | |
592 | A5XX_RBBM_INT_0_MASK_RBBM_PFP_MS_TIMEOUT | \ | |
593 | A5XX_RBBM_INT_0_MASK_RBBM_ETS_MS_TIMEOUT | \ | |
594 | A5XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNC_OVERFLOW | \ | |
595 | A5XX_RBBM_INT_0_MASK_CP_HW_ERROR | \ | |
ac1b5ab4 | 596 | A5XX_RBBM_INT_0_MASK_MISC_HANG_DETECT | \ |
b1fc2839 | 597 | A5XX_RBBM_INT_0_MASK_CP_SW | \ |
b5f103ab JC |
598 | A5XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS | \ |
599 | A5XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS | \ | |
600 | A5XX_RBBM_INT_0_MASK_GPMU_VOLTAGE_DROOP) | |
601 | ||
602 | static int a5xx_hw_init(struct msm_gpu *gpu) | |
603 | { | |
604 | struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); | |
605 | int ret; | |
606 | ||
607 | gpu_write(gpu, REG_A5XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x00000003); | |
608 | ||
609 | /* Make all blocks contribute to the GPU BUSY perf counter */ | |
610 | gpu_write(gpu, REG_A5XX_RBBM_PERFCTR_GPU_BUSY_MASKED, 0xFFFFFFFF); | |
611 | ||
612 | /* Enable RBBM error reporting bits */ | |
613 | gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL0, 0x00000001); | |
614 | ||
4e09b95d | 615 | if (adreno_gpu->info->quirks & ADRENO_QUIRK_FAULT_DETECT_MASK) { |
b5f103ab JC |
616 | /* |
617 | * Mask out the activity signals from RB1-3 to avoid false | |
618 | * positives | |
619 | */ | |
620 | ||
621 | gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL11, | |
622 | 0xF0000000); | |
623 | gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL12, | |
624 | 0xFFFFFFFF); | |
625 | gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL13, | |
626 | 0xFFFFFFFF); | |
627 | gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL14, | |
628 | 0xFFFFFFFF); | |
629 | gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL15, | |
630 | 0xFFFFFFFF); | |
631 | gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL16, | |
632 | 0xFFFFFFFF); | |
633 | gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL17, | |
634 | 0xFFFFFFFF); | |
635 | gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_MASK_CNTL18, | |
636 | 0xFFFFFFFF); | |
637 | } | |
638 | ||
639 | /* Enable fault detection */ | |
640 | gpu_write(gpu, REG_A5XX_RBBM_INTERFACE_HANG_INT_CNTL, | |
641 | (1 << 30) | 0xFFFF); | |
642 | ||
643 | /* Turn on performance counters */ | |
644 | gpu_write(gpu, REG_A5XX_RBBM_PERFCTR_CNTL, 0x01); | |
645 | ||
c09513cf JC |
646 | /* Select CP0 to always count cycles */ |
647 | gpu_write(gpu, REG_A5XX_CP_PERFCTR_CP_SEL_0, PERF_CP_ALWAYS_COUNT); | |
648 | ||
f91c14ab JC |
649 | /* Select RBBM0 to countable 6 to get the busy status for devfreq */ |
650 | gpu_write(gpu, REG_A5XX_RBBM_PERFCTR_RBBM_SEL_0, 6); | |
651 | ||
b5f103ab JC |
652 | /* Increase VFD cache access so LRZ and other data gets evicted less */ |
653 | gpu_write(gpu, REG_A5XX_UCHE_CACHE_WAYS, 0x02); | |
654 | ||
655 | /* Disable L2 bypass in the UCHE */ | |
656 | gpu_write(gpu, REG_A5XX_UCHE_TRAP_BASE_LO, 0xFFFF0000); | |
657 | gpu_write(gpu, REG_A5XX_UCHE_TRAP_BASE_HI, 0x0001FFFF); | |
658 | gpu_write(gpu, REG_A5XX_UCHE_WRITE_THRU_BASE_LO, 0xFFFF0000); | |
659 | gpu_write(gpu, REG_A5XX_UCHE_WRITE_THRU_BASE_HI, 0x0001FFFF); | |
660 | ||
661 | /* Set the GMEM VA range (0 to gpu->gmem) */ | |
662 | gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MIN_LO, 0x00100000); | |
663 | gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MIN_HI, 0x00000000); | |
664 | gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MAX_LO, | |
665 | 0x00100000 + adreno_gpu->gmem - 1); | |
666 | gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MAX_HI, 0x00000000); | |
667 | ||
668 | gpu_write(gpu, REG_A5XX_CP_MEQ_THRESHOLDS, 0x40); | |
669 | gpu_write(gpu, REG_A5XX_CP_MERCIU_SIZE, 0x40); | |
670 | gpu_write(gpu, REG_A5XX_CP_ROQ_THRESHOLDS_2, 0x80000060); | |
671 | gpu_write(gpu, REG_A5XX_CP_ROQ_THRESHOLDS_1, 0x40201B16); | |
672 | ||
673 | gpu_write(gpu, REG_A5XX_PC_DBG_ECO_CNTL, (0x400 << 11 | 0x300 << 22)); | |
674 | ||
4e09b95d | 675 | if (adreno_gpu->info->quirks & ADRENO_QUIRK_TWO_PASS_USE_WFI) |
b5f103ab JC |
676 | gpu_rmw(gpu, REG_A5XX_PC_DBG_ECO_CNTL, 0, (1 << 8)); |
677 | ||
678 | gpu_write(gpu, REG_A5XX_PC_DBG_ECO_CNTL, 0xc0200100); | |
679 | ||
680 | /* Enable USE_RETENTION_FLOPS */ | |
681 | gpu_write(gpu, REG_A5XX_CP_CHICKEN_DBG, 0x02000000); | |
682 | ||
683 | /* Enable ME/PFP split notification */ | |
684 | gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL1, 0xA6FFFFFF); | |
685 | ||
686 | /* Enable HWCG */ | |
6e749e59 | 687 | a5xx_set_hwcg(gpu, true); |
b5f103ab JC |
688 | |
689 | gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL2, 0x0000003F); | |
690 | ||
691 | /* Set the highest bank bit */ | |
692 | gpu_write(gpu, REG_A5XX_TPL1_MODE_CNTL, 2 << 7); | |
693 | gpu_write(gpu, REG_A5XX_RB_MODE_CNTL, 2 << 1); | |
694 | ||
695 | /* Protect registers from the CP */ | |
696 | gpu_write(gpu, REG_A5XX_CP_PROTECT_CNTL, 0x00000007); | |
697 | ||
698 | /* RBBM */ | |
699 | gpu_write(gpu, REG_A5XX_CP_PROTECT(0), ADRENO_PROTECT_RW(0x04, 4)); | |
700 | gpu_write(gpu, REG_A5XX_CP_PROTECT(1), ADRENO_PROTECT_RW(0x08, 8)); | |
701 | gpu_write(gpu, REG_A5XX_CP_PROTECT(2), ADRENO_PROTECT_RW(0x10, 16)); | |
702 | gpu_write(gpu, REG_A5XX_CP_PROTECT(3), ADRENO_PROTECT_RW(0x20, 32)); | |
703 | gpu_write(gpu, REG_A5XX_CP_PROTECT(4), ADRENO_PROTECT_RW(0x40, 64)); | |
704 | gpu_write(gpu, REG_A5XX_CP_PROTECT(5), ADRENO_PROTECT_RW(0x80, 64)); | |
705 | ||
706 | /* Content protect */ | |
707 | gpu_write(gpu, REG_A5XX_CP_PROTECT(6), | |
708 | ADRENO_PROTECT_RW(REG_A5XX_RBBM_SECVID_TSB_TRUSTED_BASE_LO, | |
709 | 16)); | |
710 | gpu_write(gpu, REG_A5XX_CP_PROTECT(7), | |
711 | ADRENO_PROTECT_RW(REG_A5XX_RBBM_SECVID_TRUST_CNTL, 2)); | |
712 | ||
713 | /* CP */ | |
714 | gpu_write(gpu, REG_A5XX_CP_PROTECT(8), ADRENO_PROTECT_RW(0x800, 64)); | |
715 | gpu_write(gpu, REG_A5XX_CP_PROTECT(9), ADRENO_PROTECT_RW(0x840, 8)); | |
716 | gpu_write(gpu, REG_A5XX_CP_PROTECT(10), ADRENO_PROTECT_RW(0x880, 32)); | |
717 | gpu_write(gpu, REG_A5XX_CP_PROTECT(11), ADRENO_PROTECT_RW(0xAA0, 1)); | |
718 | ||
719 | /* RB */ | |
720 | gpu_write(gpu, REG_A5XX_CP_PROTECT(12), ADRENO_PROTECT_RW(0xCC0, 1)); | |
721 | gpu_write(gpu, REG_A5XX_CP_PROTECT(13), ADRENO_PROTECT_RW(0xCF0, 2)); | |
722 | ||
723 | /* VPC */ | |
724 | gpu_write(gpu, REG_A5XX_CP_PROTECT(14), ADRENO_PROTECT_RW(0xE68, 8)); | |
725 | gpu_write(gpu, REG_A5XX_CP_PROTECT(15), ADRENO_PROTECT_RW(0xE70, 4)); | |
726 | ||
727 | /* UCHE */ | |
728 | gpu_write(gpu, REG_A5XX_CP_PROTECT(16), ADRENO_PROTECT_RW(0xE80, 16)); | |
729 | ||
730 | if (adreno_is_a530(adreno_gpu)) | |
731 | gpu_write(gpu, REG_A5XX_CP_PROTECT(17), | |
732 | ADRENO_PROTECT_RW(0x10000, 0x8000)); | |
733 | ||
734 | gpu_write(gpu, REG_A5XX_RBBM_SECVID_TSB_CNTL, 0); | |
735 | /* | |
736 | * Disable the trusted memory range - we don't actually supported secure | |
737 | * memory rendering at this point in time and we don't want to block off | |
738 | * part of the virtual memory space. | |
739 | */ | |
740 | gpu_write64(gpu, REG_A5XX_RBBM_SECVID_TSB_TRUSTED_BASE_LO, | |
741 | REG_A5XX_RBBM_SECVID_TSB_TRUSTED_BASE_HI, 0x00000000); | |
742 | gpu_write(gpu, REG_A5XX_RBBM_SECVID_TSB_TRUSTED_SIZE, 0x00000000); | |
743 | ||
744 | ret = adreno_hw_init(gpu); | |
745 | if (ret) | |
746 | return ret; | |
747 | ||
b1fc2839 JC |
748 | a5xx_preempt_hw_init(gpu); |
749 | ||
eec874ce RC |
750 | a5xx_gpmu_ucode_init(gpu); |
751 | ||
b5f103ab JC |
752 | ret = a5xx_ucode_init(gpu); |
753 | if (ret) | |
754 | return ret; | |
755 | ||
756 | /* Disable the interrupts through the initial bringup stage */ | |
757 | gpu_write(gpu, REG_A5XX_RBBM_INT_0_MASK, A5XX_INT_MASK); | |
758 | ||
759 | /* Clear ME_HALT to start the micro engine */ | |
760 | gpu_write(gpu, REG_A5XX_CP_PFP_ME_CNTL, 0); | |
761 | ret = a5xx_me_init(gpu); | |
762 | if (ret) | |
763 | return ret; | |
764 | ||
2401a008 JC |
765 | ret = a5xx_power_init(gpu); |
766 | if (ret) | |
767 | return ret; | |
b5f103ab JC |
768 | |
769 | /* | |
770 | * Send a pipeline event stat to get misbehaving counters to start | |
771 | * ticking correctly | |
772 | */ | |
773 | if (adreno_is_a530(adreno_gpu)) { | |
f97decac JC |
774 | OUT_PKT7(gpu->rb[0], CP_EVENT_WRITE, 1); |
775 | OUT_RING(gpu->rb[0], 0x0F); | |
b5f103ab | 776 | |
f97decac JC |
777 | gpu->funcs->flush(gpu, gpu->rb[0]); |
778 | if (!a5xx_idle(gpu, gpu->rb[0])) | |
b5f103ab JC |
779 | return -EINVAL; |
780 | } | |
781 | ||
7c65817e JC |
782 | /* |
783 | * Try to load a zap shader into the secure world. If successful | |
784 | * we can use the CP to switch out of secure mode. If not then we | |
785 | * have no resource but to try to switch ourselves out manually. If we | |
786 | * guessed wrong then access to the RBBM_SECVID_TRUST_CNTL register will | |
787 | * be blocked and a permissions violation will soon follow. | |
788 | */ | |
789 | ret = a5xx_zap_shader_init(gpu); | |
790 | if (!ret) { | |
f97decac JC |
791 | OUT_PKT7(gpu->rb[0], CP_SET_SECURE_MODE, 1); |
792 | OUT_RING(gpu->rb[0], 0x00000000); | |
7c65817e | 793 | |
f97decac JC |
794 | gpu->funcs->flush(gpu, gpu->rb[0]); |
795 | if (!a5xx_idle(gpu, gpu->rb[0])) | |
7c65817e JC |
796 | return -EINVAL; |
797 | } else { | |
798 | /* Print a warning so if we die, we know why */ | |
799 | dev_warn_once(gpu->dev->dev, | |
800 | "Zap shader not enabled - using SECVID_TRUST_CNTL instead\n"); | |
801 | gpu_write(gpu, REG_A5XX_RBBM_SECVID_TRUST_CNTL, 0x0); | |
802 | } | |
2401a008 | 803 | |
b1fc2839 JC |
804 | /* Last step - yield the ringbuffer */ |
805 | a5xx_preempt_start(gpu); | |
806 | ||
b5f103ab JC |
807 | return 0; |
808 | } | |
809 | ||
810 | static void a5xx_recover(struct msm_gpu *gpu) | |
811 | { | |
812 | int i; | |
813 | ||
814 | adreno_dump_info(gpu); | |
815 | ||
816 | for (i = 0; i < 8; i++) { | |
817 | printk("CP_SCRATCH_REG%d: %u\n", i, | |
818 | gpu_read(gpu, REG_A5XX_CP_SCRATCH_REG(i))); | |
819 | } | |
820 | ||
821 | if (hang_debug) | |
822 | a5xx_dump(gpu); | |
823 | ||
824 | gpu_write(gpu, REG_A5XX_RBBM_SW_RESET_CMD, 1); | |
825 | gpu_read(gpu, REG_A5XX_RBBM_SW_RESET_CMD); | |
826 | gpu_write(gpu, REG_A5XX_RBBM_SW_RESET_CMD, 0); | |
827 | adreno_recover(gpu); | |
828 | } | |
829 | ||
830 | static void a5xx_destroy(struct msm_gpu *gpu) | |
831 | { | |
832 | struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); | |
833 | struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); | |
834 | ||
835 | DBG("%s", gpu->name); | |
836 | ||
b1fc2839 JC |
837 | a5xx_preempt_fini(gpu); |
838 | ||
b5f103ab JC |
839 | if (a5xx_gpu->pm4_bo) { |
840 | if (a5xx_gpu->pm4_iova) | |
8bdcd949 | 841 | msm_gem_put_iova(a5xx_gpu->pm4_bo, gpu->aspace); |
dc9a9b32 | 842 | drm_gem_object_put_unlocked(a5xx_gpu->pm4_bo); |
b5f103ab JC |
843 | } |
844 | ||
845 | if (a5xx_gpu->pfp_bo) { | |
846 | if (a5xx_gpu->pfp_iova) | |
8bdcd949 | 847 | msm_gem_put_iova(a5xx_gpu->pfp_bo, gpu->aspace); |
dc9a9b32 | 848 | drm_gem_object_put_unlocked(a5xx_gpu->pfp_bo); |
b5f103ab JC |
849 | } |
850 | ||
2401a008 | 851 | if (a5xx_gpu->gpmu_bo) { |
2002c9c3 | 852 | if (a5xx_gpu->gpmu_iova) |
8bdcd949 | 853 | msm_gem_put_iova(a5xx_gpu->gpmu_bo, gpu->aspace); |
dc9a9b32 | 854 | drm_gem_object_put_unlocked(a5xx_gpu->gpmu_bo); |
2401a008 JC |
855 | } |
856 | ||
b5f103ab JC |
857 | adreno_gpu_cleanup(adreno_gpu); |
858 | kfree(a5xx_gpu); | |
859 | } | |
860 | ||
861 | static inline bool _a5xx_check_idle(struct msm_gpu *gpu) | |
862 | { | |
863 | if (gpu_read(gpu, REG_A5XX_RBBM_STATUS) & ~A5XX_RBBM_STATUS_HI_BUSY) | |
864 | return false; | |
865 | ||
866 | /* | |
867 | * Nearly every abnormality ends up pausing the GPU and triggering a | |
868 | * fault so we can safely just watch for this one interrupt to fire | |
869 | */ | |
870 | return !(gpu_read(gpu, REG_A5XX_RBBM_INT_0_STATUS) & | |
871 | A5XX_RBBM_INT_0_MASK_MISC_HANG_DETECT); | |
872 | } | |
873 | ||
f97decac | 874 | bool a5xx_idle(struct msm_gpu *gpu, struct msm_ringbuffer *ring) |
b5f103ab | 875 | { |
b1fc2839 JC |
876 | struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); |
877 | struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); | |
878 | ||
879 | if (ring != a5xx_gpu->cur_ring) { | |
880 | WARN(1, "Tried to idle a non-current ringbuffer\n"); | |
881 | return false; | |
882 | } | |
883 | ||
b5f103ab | 884 | /* wait for CP to drain ringbuffer: */ |
f97decac | 885 | if (!adreno_idle(gpu, ring)) |
b5f103ab JC |
886 | return false; |
887 | ||
888 | if (spin_until(_a5xx_check_idle(gpu))) { | |
f97decac | 889 | DRM_ERROR("%s: %ps: timeout waiting for GPU to idle: status %8.8X irq %8.8X rptr/wptr %d/%d\n", |
b5f103ab JC |
890 | gpu->name, __builtin_return_address(0), |
891 | gpu_read(gpu, REG_A5XX_RBBM_STATUS), | |
f97decac JC |
892 | gpu_read(gpu, REG_A5XX_RBBM_INT_0_STATUS), |
893 | gpu_read(gpu, REG_A5XX_CP_RB_RPTR), | |
894 | gpu_read(gpu, REG_A5XX_CP_RB_WPTR)); | |
b5f103ab JC |
895 | return false; |
896 | } | |
897 | ||
898 | return true; | |
899 | } | |
900 | ||
7f8036b7 RC |
901 | static int a5xx_fault_handler(void *arg, unsigned long iova, int flags) |
902 | { | |
903 | struct msm_gpu *gpu = arg; | |
904 | pr_warn_ratelimited("*** gpu fault: iova=%08lx, flags=%d (%u,%u,%u,%u)\n", | |
905 | iova, flags, | |
906 | gpu_read(gpu, REG_A5XX_CP_SCRATCH_REG(4)), | |
907 | gpu_read(gpu, REG_A5XX_CP_SCRATCH_REG(5)), | |
908 | gpu_read(gpu, REG_A5XX_CP_SCRATCH_REG(6)), | |
909 | gpu_read(gpu, REG_A5XX_CP_SCRATCH_REG(7))); | |
910 | ||
911 | return -EFAULT; | |
912 | } | |
913 | ||
b5f103ab JC |
914 | static void a5xx_cp_err_irq(struct msm_gpu *gpu) |
915 | { | |
916 | u32 status = gpu_read(gpu, REG_A5XX_CP_INTERRUPT_STATUS); | |
917 | ||
918 | if (status & A5XX_CP_INT_CP_OPCODE_ERROR) { | |
919 | u32 val; | |
920 | ||
921 | gpu_write(gpu, REG_A5XX_CP_PFP_STAT_ADDR, 0); | |
922 | ||
923 | /* | |
924 | * REG_A5XX_CP_PFP_STAT_DATA is indexed, and we want index 1 so | |
925 | * read it twice | |
926 | */ | |
927 | ||
928 | gpu_read(gpu, REG_A5XX_CP_PFP_STAT_DATA); | |
929 | val = gpu_read(gpu, REG_A5XX_CP_PFP_STAT_DATA); | |
930 | ||
931 | dev_err_ratelimited(gpu->dev->dev, "CP | opcode error | possible opcode=0x%8.8X\n", | |
932 | val); | |
933 | } | |
934 | ||
935 | if (status & A5XX_CP_INT_CP_HW_FAULT_ERROR) | |
936 | dev_err_ratelimited(gpu->dev->dev, "CP | HW fault | status=0x%8.8X\n", | |
937 | gpu_read(gpu, REG_A5XX_CP_HW_FAULT)); | |
938 | ||
939 | if (status & A5XX_CP_INT_CP_DMA_ERROR) | |
940 | dev_err_ratelimited(gpu->dev->dev, "CP | DMA error\n"); | |
941 | ||
942 | if (status & A5XX_CP_INT_CP_REGISTER_PROTECTION_ERROR) { | |
943 | u32 val = gpu_read(gpu, REG_A5XX_CP_PROTECT_STATUS); | |
944 | ||
945 | dev_err_ratelimited(gpu->dev->dev, | |
946 | "CP | protected mode error | %s | addr=0x%8.8X | status=0x%8.8X\n", | |
947 | val & (1 << 24) ? "WRITE" : "READ", | |
948 | (val & 0xFFFFF) >> 2, val); | |
949 | } | |
950 | ||
951 | if (status & A5XX_CP_INT_CP_AHB_ERROR) { | |
952 | u32 status = gpu_read(gpu, REG_A5XX_CP_AHB_FAULT); | |
953 | const char *access[16] = { "reserved", "reserved", | |
954 | "timestamp lo", "timestamp hi", "pfp read", "pfp write", | |
955 | "", "", "me read", "me write", "", "", "crashdump read", | |
956 | "crashdump write" }; | |
957 | ||
958 | dev_err_ratelimited(gpu->dev->dev, | |
959 | "CP | AHB error | addr=%X access=%s error=%d | status=0x%8.8X\n", | |
960 | status & 0xFFFFF, access[(status >> 24) & 0xF], | |
961 | (status & (1 << 31)), status); | |
962 | } | |
963 | } | |
964 | ||
7352fb5a | 965 | static void a5xx_rbbm_err_irq(struct msm_gpu *gpu, u32 status) |
b5f103ab | 966 | { |
b5f103ab JC |
967 | if (status & A5XX_RBBM_INT_0_MASK_RBBM_AHB_ERROR) { |
968 | u32 val = gpu_read(gpu, REG_A5XX_RBBM_AHB_ERROR_STATUS); | |
969 | ||
970 | dev_err_ratelimited(gpu->dev->dev, | |
971 | "RBBM | AHB bus error | %s | addr=0x%X | ports=0x%X:0x%X\n", | |
972 | val & (1 << 28) ? "WRITE" : "READ", | |
973 | (val & 0xFFFFF) >> 2, (val >> 20) & 0x3, | |
974 | (val >> 24) & 0xF); | |
975 | ||
976 | /* Clear the error */ | |
977 | gpu_write(gpu, REG_A5XX_RBBM_AHB_CMD, (1 << 4)); | |
7352fb5a JC |
978 | |
979 | /* Clear the interrupt */ | |
980 | gpu_write(gpu, REG_A5XX_RBBM_INT_CLEAR_CMD, | |
981 | A5XX_RBBM_INT_0_MASK_RBBM_AHB_ERROR); | |
b5f103ab JC |
982 | } |
983 | ||
984 | if (status & A5XX_RBBM_INT_0_MASK_RBBM_TRANSFER_TIMEOUT) | |
985 | dev_err_ratelimited(gpu->dev->dev, "RBBM | AHB transfer timeout\n"); | |
986 | ||
987 | if (status & A5XX_RBBM_INT_0_MASK_RBBM_ME_MS_TIMEOUT) | |
988 | dev_err_ratelimited(gpu->dev->dev, "RBBM | ME master split | status=0x%X\n", | |
989 | gpu_read(gpu, REG_A5XX_RBBM_AHB_ME_SPLIT_STATUS)); | |
990 | ||
991 | if (status & A5XX_RBBM_INT_0_MASK_RBBM_PFP_MS_TIMEOUT) | |
992 | dev_err_ratelimited(gpu->dev->dev, "RBBM | PFP master split | status=0x%X\n", | |
993 | gpu_read(gpu, REG_A5XX_RBBM_AHB_PFP_SPLIT_STATUS)); | |
994 | ||
995 | if (status & A5XX_RBBM_INT_0_MASK_RBBM_ETS_MS_TIMEOUT) | |
996 | dev_err_ratelimited(gpu->dev->dev, "RBBM | ETS master split | status=0x%X\n", | |
997 | gpu_read(gpu, REG_A5XX_RBBM_AHB_ETS_SPLIT_STATUS)); | |
998 | ||
999 | if (status & A5XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNC_OVERFLOW) | |
1000 | dev_err_ratelimited(gpu->dev->dev, "RBBM | ATB ASYNC overflow\n"); | |
1001 | ||
1002 | if (status & A5XX_RBBM_INT_0_MASK_RBBM_ATB_BUS_OVERFLOW) | |
1003 | dev_err_ratelimited(gpu->dev->dev, "RBBM | ATB bus overflow\n"); | |
1004 | } | |
1005 | ||
1006 | static void a5xx_uche_err_irq(struct msm_gpu *gpu) | |
1007 | { | |
1008 | uint64_t addr = (uint64_t) gpu_read(gpu, REG_A5XX_UCHE_TRAP_LOG_HI); | |
1009 | ||
1010 | addr |= gpu_read(gpu, REG_A5XX_UCHE_TRAP_LOG_LO); | |
1011 | ||
1012 | dev_err_ratelimited(gpu->dev->dev, "UCHE | Out of bounds access | addr=0x%llX\n", | |
1013 | addr); | |
1014 | } | |
1015 | ||
1016 | static void a5xx_gpmu_err_irq(struct msm_gpu *gpu) | |
1017 | { | |
1018 | dev_err_ratelimited(gpu->dev->dev, "GPMU | voltage droop\n"); | |
1019 | } | |
1020 | ||
ac1b5ab4 JC |
1021 | static void a5xx_fault_detect_irq(struct msm_gpu *gpu) |
1022 | { | |
1023 | struct drm_device *dev = gpu->dev; | |
1024 | struct msm_drm_private *priv = dev->dev_private; | |
f97decac | 1025 | struct msm_ringbuffer *ring = gpu->funcs->active_ring(gpu); |
ac1b5ab4 | 1026 | |
f97decac JC |
1027 | dev_err(dev->dev, "gpu fault ring %d fence %x status %8.8X rb %4.4x/%4.4x ib1 %16.16llX/%4.4x ib2 %16.16llX/%4.4x\n", |
1028 | ring ? ring->id : -1, ring ? ring->seqno : 0, | |
ac1b5ab4 JC |
1029 | gpu_read(gpu, REG_A5XX_RBBM_STATUS), |
1030 | gpu_read(gpu, REG_A5XX_CP_RB_RPTR), | |
1031 | gpu_read(gpu, REG_A5XX_CP_RB_WPTR), | |
1032 | gpu_read64(gpu, REG_A5XX_CP_IB1_BASE, REG_A5XX_CP_IB1_BASE_HI), | |
1033 | gpu_read(gpu, REG_A5XX_CP_IB1_BUFSZ), | |
1034 | gpu_read64(gpu, REG_A5XX_CP_IB2_BASE, REG_A5XX_CP_IB2_BASE_HI), | |
1035 | gpu_read(gpu, REG_A5XX_CP_IB2_BUFSZ)); | |
1036 | ||
1037 | /* Turn off the hangcheck timer to keep it from bothering us */ | |
1038 | del_timer(&gpu->hangcheck_timer); | |
1039 | ||
1040 | queue_work(priv->wq, &gpu->recover_work); | |
1041 | } | |
1042 | ||
b5f103ab JC |
1043 | #define RBBM_ERROR_MASK \ |
1044 | (A5XX_RBBM_INT_0_MASK_RBBM_AHB_ERROR | \ | |
1045 | A5XX_RBBM_INT_0_MASK_RBBM_TRANSFER_TIMEOUT | \ | |
1046 | A5XX_RBBM_INT_0_MASK_RBBM_ME_MS_TIMEOUT | \ | |
1047 | A5XX_RBBM_INT_0_MASK_RBBM_PFP_MS_TIMEOUT | \ | |
1048 | A5XX_RBBM_INT_0_MASK_RBBM_ETS_MS_TIMEOUT | \ | |
1049 | A5XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNC_OVERFLOW) | |
1050 | ||
1051 | static irqreturn_t a5xx_irq(struct msm_gpu *gpu) | |
1052 | { | |
1053 | u32 status = gpu_read(gpu, REG_A5XX_RBBM_INT_0_STATUS); | |
1054 | ||
7352fb5a JC |
1055 | /* |
1056 | * Clear all the interrupts except RBBM_AHB_ERROR - if we clear it | |
1057 | * before the source is cleared the interrupt will storm. | |
1058 | */ | |
1059 | gpu_write(gpu, REG_A5XX_RBBM_INT_CLEAR_CMD, | |
1060 | status & ~A5XX_RBBM_INT_0_MASK_RBBM_AHB_ERROR); | |
b5f103ab | 1061 | |
7352fb5a | 1062 | /* Pass status to a5xx_rbbm_err_irq because we've already cleared it */ |
b5f103ab | 1063 | if (status & RBBM_ERROR_MASK) |
7352fb5a | 1064 | a5xx_rbbm_err_irq(gpu, status); |
b5f103ab JC |
1065 | |
1066 | if (status & A5XX_RBBM_INT_0_MASK_CP_HW_ERROR) | |
1067 | a5xx_cp_err_irq(gpu); | |
1068 | ||
ac1b5ab4 JC |
1069 | if (status & A5XX_RBBM_INT_0_MASK_MISC_HANG_DETECT) |
1070 | a5xx_fault_detect_irq(gpu); | |
1071 | ||
b5f103ab JC |
1072 | if (status & A5XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS) |
1073 | a5xx_uche_err_irq(gpu); | |
1074 | ||
1075 | if (status & A5XX_RBBM_INT_0_MASK_GPMU_VOLTAGE_DROOP) | |
1076 | a5xx_gpmu_err_irq(gpu); | |
1077 | ||
b1fc2839 JC |
1078 | if (status & A5XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS) { |
1079 | a5xx_preempt_trigger(gpu); | |
b5f103ab | 1080 | msm_gpu_retire(gpu); |
b1fc2839 JC |
1081 | } |
1082 | ||
1083 | if (status & A5XX_RBBM_INT_0_MASK_CP_SW) | |
1084 | a5xx_preempt_irq(gpu); | |
b5f103ab JC |
1085 | |
1086 | return IRQ_HANDLED; | |
1087 | } | |
1088 | ||
1089 | static const u32 a5xx_register_offsets[REG_ADRENO_REGISTER_MAX] = { | |
1090 | REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE, REG_A5XX_CP_RB_BASE), | |
1091 | REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE_HI, REG_A5XX_CP_RB_BASE_HI), | |
1092 | REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR, REG_A5XX_CP_RB_RPTR_ADDR), | |
1093 | REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR_HI, | |
1094 | REG_A5XX_CP_RB_RPTR_ADDR_HI), | |
1095 | REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR, REG_A5XX_CP_RB_RPTR), | |
1096 | REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_WPTR, REG_A5XX_CP_RB_WPTR), | |
1097 | REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_A5XX_CP_RB_CNTL), | |
1098 | }; | |
1099 | ||
1100 | static const u32 a5xx_registers[] = { | |
1101 | 0x0000, 0x0002, 0x0004, 0x0020, 0x0022, 0x0026, 0x0029, 0x002B, | |
1102 | 0x002E, 0x0035, 0x0038, 0x0042, 0x0044, 0x0044, 0x0047, 0x0095, | |
1103 | 0x0097, 0x00BB, 0x03A0, 0x0464, 0x0469, 0x046F, 0x04D2, 0x04D3, | |
3394f561 JC |
1104 | 0x04E0, 0x0533, 0x0540, 0x0555, 0x0800, 0x081A, 0x081F, 0x0841, |
1105 | 0x0860, 0x0860, 0x0880, 0x08A0, 0x0B00, 0x0B12, 0x0B15, 0x0B28, | |
1106 | 0x0B78, 0x0B7F, 0x0BB0, 0x0BBD, 0x0BC0, 0x0BC6, 0x0BD0, 0x0C53, | |
1107 | 0x0C60, 0x0C61, 0x0C80, 0x0C82, 0x0C84, 0x0C85, 0x0C90, 0x0C98, | |
1108 | 0x0CA0, 0x0CA0, 0x0CB0, 0x0CB2, 0x2180, 0x2185, 0x2580, 0x2585, | |
1109 | 0x0CC1, 0x0CC1, 0x0CC4, 0x0CC7, 0x0CCC, 0x0CCC, 0x0CD0, 0x0CD8, | |
1110 | 0x0CE0, 0x0CE5, 0x0CE8, 0x0CE8, 0x0CEC, 0x0CF1, 0x0CFB, 0x0D0E, | |
1111 | 0x2100, 0x211E, 0x2140, 0x2145, 0x2500, 0x251E, 0x2540, 0x2545, | |
1112 | 0x0D10, 0x0D17, 0x0D20, 0x0D23, 0x0D30, 0x0D30, 0x20C0, 0x20C0, | |
1113 | 0x24C0, 0x24C0, 0x0E40, 0x0E43, 0x0E4A, 0x0E4A, 0x0E50, 0x0E57, | |
1114 | 0x0E60, 0x0E7C, 0x0E80, 0x0E8E, 0x0E90, 0x0E96, 0x0EA0, 0x0EA8, | |
1115 | 0x0EB0, 0x0EB2, 0xE140, 0xE147, 0xE150, 0xE187, 0xE1A0, 0xE1A9, | |
1116 | 0xE1B0, 0xE1B6, 0xE1C0, 0xE1C7, 0xE1D0, 0xE1D1, 0xE200, 0xE201, | |
1117 | 0xE210, 0xE21C, 0xE240, 0xE268, 0xE000, 0xE006, 0xE010, 0xE09A, | |
1118 | 0xE0A0, 0xE0A4, 0xE0AA, 0xE0EB, 0xE100, 0xE105, 0xE380, 0xE38F, | |
1119 | 0xE3B0, 0xE3B0, 0xE400, 0xE405, 0xE408, 0xE4E9, 0xE4F0, 0xE4F0, | |
1120 | 0xE280, 0xE280, 0xE282, 0xE2A3, 0xE2A5, 0xE2C2, 0xE940, 0xE947, | |
1121 | 0xE950, 0xE987, 0xE9A0, 0xE9A9, 0xE9B0, 0xE9B6, 0xE9C0, 0xE9C7, | |
1122 | 0xE9D0, 0xE9D1, 0xEA00, 0xEA01, 0xEA10, 0xEA1C, 0xEA40, 0xEA68, | |
1123 | 0xE800, 0xE806, 0xE810, 0xE89A, 0xE8A0, 0xE8A4, 0xE8AA, 0xE8EB, | |
1124 | 0xE900, 0xE905, 0xEB80, 0xEB8F, 0xEBB0, 0xEBB0, 0xEC00, 0xEC05, | |
1125 | 0xEC08, 0xECE9, 0xECF0, 0xECF0, 0xEA80, 0xEA80, 0xEA82, 0xEAA3, | |
1126 | 0xEAA5, 0xEAC2, 0xA800, 0xA8FF, 0xAC60, 0xAC60, 0xB000, 0xB97F, | |
1127 | 0xB9A0, 0xB9BF, ~0 | |
b5f103ab JC |
1128 | }; |
1129 | ||
1130 | static void a5xx_dump(struct msm_gpu *gpu) | |
1131 | { | |
1132 | dev_info(gpu->dev->dev, "status: %08x\n", | |
1133 | gpu_read(gpu, REG_A5XX_RBBM_STATUS)); | |
1134 | adreno_dump(gpu); | |
1135 | } | |
1136 | ||
1137 | static int a5xx_pm_resume(struct msm_gpu *gpu) | |
1138 | { | |
2401a008 JC |
1139 | int ret; |
1140 | ||
1141 | /* Turn on the core power */ | |
1142 | ret = msm_gpu_pm_resume(gpu); | |
1143 | if (ret) | |
1144 | return ret; | |
1145 | ||
1146 | /* Turn the RBCCU domain first to limit the chances of voltage droop */ | |
1147 | gpu_write(gpu, REG_A5XX_GPMU_RBCCU_POWER_CNTL, 0x778000); | |
1148 | ||
1149 | /* Wait 3 usecs before polling */ | |
1150 | udelay(3); | |
1151 | ||
1152 | ret = spin_usecs(gpu, 20, REG_A5XX_GPMU_RBCCU_PWR_CLK_STATUS, | |
1153 | (1 << 20), (1 << 20)); | |
1154 | if (ret) { | |
1155 | DRM_ERROR("%s: timeout waiting for RBCCU GDSC enable: %X\n", | |
1156 | gpu->name, | |
1157 | gpu_read(gpu, REG_A5XX_GPMU_RBCCU_PWR_CLK_STATUS)); | |
1158 | return ret; | |
1159 | } | |
1160 | ||
1161 | /* Turn on the SP domain */ | |
1162 | gpu_write(gpu, REG_A5XX_GPMU_SP_POWER_CNTL, 0x778000); | |
1163 | ret = spin_usecs(gpu, 20, REG_A5XX_GPMU_SP_PWR_CLK_STATUS, | |
1164 | (1 << 20), (1 << 20)); | |
1165 | if (ret) | |
1166 | DRM_ERROR("%s: timeout waiting for SP GDSC enable\n", | |
1167 | gpu->name); | |
1168 | ||
1169 | return ret; | |
b5f103ab JC |
1170 | } |
1171 | ||
1172 | static int a5xx_pm_suspend(struct msm_gpu *gpu) | |
1173 | { | |
2401a008 JC |
1174 | /* Clear the VBIF pipe before shutting down */ |
1175 | gpu_write(gpu, REG_A5XX_VBIF_XIN_HALT_CTRL0, 0xF); | |
1176 | spin_until((gpu_read(gpu, REG_A5XX_VBIF_XIN_HALT_CTRL1) & 0xF) == 0xF); | |
1177 | ||
1178 | gpu_write(gpu, REG_A5XX_VBIF_XIN_HALT_CTRL0, 0); | |
1179 | ||
1180 | /* | |
1181 | * Reset the VBIF before power collapse to avoid issue with FIFO | |
1182 | * entries | |
1183 | */ | |
1184 | gpu_write(gpu, REG_A5XX_RBBM_BLOCK_SW_RESET_CMD, 0x003C0000); | |
1185 | gpu_write(gpu, REG_A5XX_RBBM_BLOCK_SW_RESET_CMD, 0x00000000); | |
1186 | ||
b5f103ab JC |
1187 | return msm_gpu_pm_suspend(gpu); |
1188 | } | |
1189 | ||
1190 | static int a5xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value) | |
1191 | { | |
1192 | *value = gpu_read64(gpu, REG_A5XX_RBBM_PERFCTR_CP_0_LO, | |
1193 | REG_A5XX_RBBM_PERFCTR_CP_0_HI); | |
1194 | ||
1195 | return 0; | |
1196 | } | |
1197 | ||
1198 | #ifdef CONFIG_DEBUG_FS | |
1199 | static void a5xx_show(struct msm_gpu *gpu, struct seq_file *m) | |
1200 | { | |
b5f103ab JC |
1201 | seq_printf(m, "status: %08x\n", |
1202 | gpu_read(gpu, REG_A5XX_RBBM_STATUS)); | |
a23cb3b5 JC |
1203 | |
1204 | /* | |
1205 | * Temporarily disable hardware clock gating before going into | |
1206 | * adreno_show to avoid issues while reading the registers | |
1207 | */ | |
1208 | a5xx_set_hwcg(gpu, false); | |
b5f103ab | 1209 | adreno_show(gpu, m); |
a23cb3b5 | 1210 | a5xx_set_hwcg(gpu, true); |
b5f103ab JC |
1211 | } |
1212 | #endif | |
1213 | ||
b1fc2839 JC |
1214 | static struct msm_ringbuffer *a5xx_active_ring(struct msm_gpu *gpu) |
1215 | { | |
1216 | struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); | |
1217 | struct a5xx_gpu *a5xx_gpu = to_a5xx_gpu(adreno_gpu); | |
1218 | ||
1219 | return a5xx_gpu->cur_ring; | |
1220 | } | |
1221 | ||
f91c14ab JC |
1222 | static int a5xx_gpu_busy(struct msm_gpu *gpu, uint64_t *value) |
1223 | { | |
1224 | *value = gpu_read64(gpu, REG_A5XX_RBBM_PERFCTR_RBBM_0_LO, | |
1225 | REG_A5XX_RBBM_PERFCTR_RBBM_0_HI); | |
1226 | ||
1227 | return 0; | |
1228 | } | |
1229 | ||
b5f103ab JC |
1230 | static const struct adreno_gpu_funcs funcs = { |
1231 | .base = { | |
1232 | .get_param = adreno_get_param, | |
1233 | .hw_init = a5xx_hw_init, | |
1234 | .pm_suspend = a5xx_pm_suspend, | |
1235 | .pm_resume = a5xx_pm_resume, | |
1236 | .recover = a5xx_recover, | |
b5f103ab | 1237 | .submit = a5xx_submit, |
b1fc2839 JC |
1238 | .flush = a5xx_flush, |
1239 | .active_ring = a5xx_active_ring, | |
b5f103ab JC |
1240 | .irq = a5xx_irq, |
1241 | .destroy = a5xx_destroy, | |
0c3eaf1f | 1242 | #ifdef CONFIG_DEBUG_FS |
b5f103ab | 1243 | .show = a5xx_show, |
331dc0bc | 1244 | .debugfs_init = a5xx_debugfs_init, |
0c3eaf1f | 1245 | #endif |
f91c14ab | 1246 | .gpu_busy = a5xx_gpu_busy, |
b5f103ab JC |
1247 | }, |
1248 | .get_timestamp = a5xx_get_timestamp, | |
1249 | }; | |
1250 | ||
f56d9df6 JC |
1251 | static void check_speed_bin(struct device *dev) |
1252 | { | |
1253 | struct nvmem_cell *cell; | |
1254 | u32 bin, val; | |
1255 | ||
1256 | cell = nvmem_cell_get(dev, "speed_bin"); | |
1257 | ||
1258 | /* If a nvmem cell isn't defined, nothing to do */ | |
1259 | if (IS_ERR(cell)) | |
1260 | return; | |
1261 | ||
1262 | bin = *((u32 *) nvmem_cell_read(cell, NULL)); | |
1263 | nvmem_cell_put(cell); | |
1264 | ||
1265 | val = (1 << bin); | |
1266 | ||
1267 | dev_pm_opp_set_supported_hw(dev, &val, 1); | |
1268 | } | |
1269 | ||
b5f103ab JC |
1270 | struct msm_gpu *a5xx_gpu_init(struct drm_device *dev) |
1271 | { | |
1272 | struct msm_drm_private *priv = dev->dev_private; | |
1273 | struct platform_device *pdev = priv->gpu_pdev; | |
1274 | struct a5xx_gpu *a5xx_gpu = NULL; | |
1275 | struct adreno_gpu *adreno_gpu; | |
1276 | struct msm_gpu *gpu; | |
1277 | int ret; | |
1278 | ||
1279 | if (!pdev) { | |
1280 | dev_err(dev->dev, "No A5XX device is defined\n"); | |
1281 | return ERR_PTR(-ENXIO); | |
1282 | } | |
1283 | ||
1284 | a5xx_gpu = kzalloc(sizeof(*a5xx_gpu), GFP_KERNEL); | |
1285 | if (!a5xx_gpu) | |
1286 | return ERR_PTR(-ENOMEM); | |
1287 | ||
1288 | adreno_gpu = &a5xx_gpu->base; | |
1289 | gpu = &adreno_gpu->base; | |
1290 | ||
b5f103ab JC |
1291 | adreno_gpu->registers = a5xx_registers; |
1292 | adreno_gpu->reg_offsets = a5xx_register_offsets; | |
1293 | ||
2401a008 JC |
1294 | a5xx_gpu->lm_leakage = 0x4E001A; |
1295 | ||
f56d9df6 JC |
1296 | check_speed_bin(&pdev->dev); |
1297 | ||
b1fc2839 | 1298 | ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 4); |
b5f103ab JC |
1299 | if (ret) { |
1300 | a5xx_destroy(&(a5xx_gpu->base.base)); | |
1301 | return ERR_PTR(ret); | |
1302 | } | |
1303 | ||
7f8036b7 RC |
1304 | if (gpu->aspace) |
1305 | msm_mmu_set_fault_handler(gpu->aspace->mmu, gpu, a5xx_fault_handler); | |
1306 | ||
b1fc2839 JC |
1307 | /* Set up the preemption specific bits and pieces for each ringbuffer */ |
1308 | a5xx_preempt_init(gpu); | |
1309 | ||
b5f103ab JC |
1310 | return gpu; |
1311 | } |