1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2017-2019 The Linux Foundation. All rights reserved. */
3
4
5 #include "msm_gem.h"
6 #include "msm_mmu.h"
7 #include "msm_gpu_trace.h"
8 #include "a6xx_gpu.h"
9 #include "a6xx_gmu.xml.h"
10
11 #include <linux/bitfield.h>
12 #include <linux/devfreq.h>
13 #include <linux/pm_domain.h>
14 #include <linux/soc/qcom/llcc-qcom.h>
15
16 #define GPU_PAS_ID 13
17
_a6xx_check_idle(struct msm_gpu * gpu)18 static inline bool _a6xx_check_idle(struct msm_gpu *gpu)
19 {
20 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
21 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
22
23 /* Check that the GMU is idle */
24 if (!adreno_has_gmu_wrapper(adreno_gpu) && !a6xx_gmu_isidle(&a6xx_gpu->gmu))
25 return false;
26
27 /* Check tha the CX master is idle */
28 if (gpu_read(gpu, REG_A6XX_RBBM_STATUS) &
29 ~A6XX_RBBM_STATUS_CP_AHB_BUSY_CX_MASTER)
30 return false;
31
32 return !(gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS) &
33 A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT);
34 }
35
a6xx_idle(struct msm_gpu * gpu,struct msm_ringbuffer * ring)36 static bool a6xx_idle(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
37 {
38 /* wait for CP to drain ringbuffer: */
39 if (!adreno_idle(gpu, ring))
40 return false;
41
42 if (spin_until(_a6xx_check_idle(gpu))) {
43 DRM_ERROR("%s: %ps: timeout waiting for GPU to idle: status %8.8X irq %8.8X rptr/wptr %d/%d\n",
44 gpu->name, __builtin_return_address(0),
45 gpu_read(gpu, REG_A6XX_RBBM_STATUS),
46 gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS),
47 gpu_read(gpu, REG_A6XX_CP_RB_RPTR),
48 gpu_read(gpu, REG_A6XX_CP_RB_WPTR));
49 return false;
50 }
51
52 return true;
53 }
54
update_shadow_rptr(struct msm_gpu * gpu,struct msm_ringbuffer * ring)55 static void update_shadow_rptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
56 {
57 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
58 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
59
60 /* Expanded APRIV doesn't need to issue the WHERE_AM_I opcode */
61 if (a6xx_gpu->has_whereami && !adreno_gpu->base.hw_apriv) {
62 OUT_PKT7(ring, CP_WHERE_AM_I, 2);
63 OUT_RING(ring, lower_32_bits(shadowptr(a6xx_gpu, ring)));
64 OUT_RING(ring, upper_32_bits(shadowptr(a6xx_gpu, ring)));
65 }
66 }
67
a6xx_flush(struct msm_gpu * gpu,struct msm_ringbuffer * ring)68 static void a6xx_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
69 {
70 uint32_t wptr;
71 unsigned long flags;
72
73 update_shadow_rptr(gpu, ring);
74
75 spin_lock_irqsave(&ring->preempt_lock, flags);
76
77 /* Copy the shadow to the actual register */
78 ring->cur = ring->next;
79
80 /* Make sure to wrap wptr if we need to */
81 wptr = get_wptr(ring);
82
83 spin_unlock_irqrestore(&ring->preempt_lock, flags);
84
85 /* Make sure everything is posted before making a decision */
86 mb();
87
88 gpu_write(gpu, REG_A6XX_CP_RB_WPTR, wptr);
89 }
90
get_stats_counter(struct msm_ringbuffer * ring,u32 counter,u64 iova)91 static void get_stats_counter(struct msm_ringbuffer *ring, u32 counter,
92 u64 iova)
93 {
94 OUT_PKT7(ring, CP_REG_TO_MEM, 3);
95 OUT_RING(ring, CP_REG_TO_MEM_0_REG(counter) |
96 CP_REG_TO_MEM_0_CNT(2) |
97 CP_REG_TO_MEM_0_64B);
98 OUT_RING(ring, lower_32_bits(iova));
99 OUT_RING(ring, upper_32_bits(iova));
100 }
101
a6xx_set_pagetable(struct a6xx_gpu * a6xx_gpu,struct msm_ringbuffer * ring,struct msm_file_private * ctx)102 static void a6xx_set_pagetable(struct a6xx_gpu *a6xx_gpu,
103 struct msm_ringbuffer *ring, struct msm_file_private *ctx)
104 {
105 bool sysprof = refcount_read(&a6xx_gpu->base.base.sysprof_active) > 1;
106 phys_addr_t ttbr;
107 u32 asid;
108 u64 memptr = rbmemptr(ring, ttbr0);
109
110 if (ctx->seqno == a6xx_gpu->base.base.cur_ctx_seqno)
111 return;
112
113 if (msm_iommu_pagetable_params(ctx->aspace->mmu, &ttbr, &asid))
114 return;
115
116 if (!sysprof) {
117 /* Turn off protected mode to write to special registers */
118 OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1);
119 OUT_RING(ring, 0);
120
121 OUT_PKT4(ring, REG_A6XX_RBBM_PERFCTR_SRAM_INIT_CMD, 1);
122 OUT_RING(ring, 1);
123 }
124
125 /* Execute the table update */
126 OUT_PKT7(ring, CP_SMMU_TABLE_UPDATE, 4);
127 OUT_RING(ring, CP_SMMU_TABLE_UPDATE_0_TTBR0_LO(lower_32_bits(ttbr)));
128
129 OUT_RING(ring,
130 CP_SMMU_TABLE_UPDATE_1_TTBR0_HI(upper_32_bits(ttbr)) |
131 CP_SMMU_TABLE_UPDATE_1_ASID(asid));
132 OUT_RING(ring, CP_SMMU_TABLE_UPDATE_2_CONTEXTIDR(0));
133 OUT_RING(ring, CP_SMMU_TABLE_UPDATE_3_CONTEXTBANK(0));
134
135 /*
136 * Write the new TTBR0 to the memstore. This is good for debugging.
137 */
138 OUT_PKT7(ring, CP_MEM_WRITE, 4);
139 OUT_RING(ring, CP_MEM_WRITE_0_ADDR_LO(lower_32_bits(memptr)));
140 OUT_RING(ring, CP_MEM_WRITE_1_ADDR_HI(upper_32_bits(memptr)));
141 OUT_RING(ring, lower_32_bits(ttbr));
142 OUT_RING(ring, (asid << 16) | upper_32_bits(ttbr));
143
144 /*
145 * And finally, trigger a uche flush to be sure there isn't anything
146 * lingering in that part of the GPU
147 */
148
149 OUT_PKT7(ring, CP_EVENT_WRITE, 1);
150 OUT_RING(ring, CACHE_INVALIDATE);
151
152 if (!sysprof) {
153 /*
154 * Wait for SRAM clear after the pgtable update, so the
155 * two can happen in parallel:
156 */
157 OUT_PKT7(ring, CP_WAIT_REG_MEM, 6);
158 OUT_RING(ring, CP_WAIT_REG_MEM_0_FUNCTION(WRITE_EQ));
159 OUT_RING(ring, CP_WAIT_REG_MEM_1_POLL_ADDR_LO(
160 REG_A6XX_RBBM_PERFCTR_SRAM_INIT_STATUS));
161 OUT_RING(ring, CP_WAIT_REG_MEM_2_POLL_ADDR_HI(0));
162 OUT_RING(ring, CP_WAIT_REG_MEM_3_REF(0x1));
163 OUT_RING(ring, CP_WAIT_REG_MEM_4_MASK(0x1));
164 OUT_RING(ring, CP_WAIT_REG_MEM_5_DELAY_LOOP_CYCLES(0));
165
166 /* Re-enable protected mode: */
167 OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1);
168 OUT_RING(ring, 1);
169 }
170 }
171
a6xx_submit(struct msm_gpu * gpu,struct msm_gem_submit * submit)172 static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
173 {
174 unsigned int index = submit->seqno % MSM_GPU_SUBMIT_STATS_COUNT;
175 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
176 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
177 struct msm_ringbuffer *ring = submit->ring;
178 unsigned int i, ibs = 0;
179
180 a6xx_set_pagetable(a6xx_gpu, ring, submit->queue->ctx);
181
182 get_stats_counter(ring, REG_A6XX_RBBM_PERFCTR_CP(0),
183 rbmemptr_stats(ring, index, cpcycles_start));
184
185 /*
186 * For PM4 the GMU register offsets are calculated from the base of the
187 * GPU registers so we need to add 0x1a800 to the register value on A630
188 * to get the right value from PM4.
189 */
190 get_stats_counter(ring, REG_A6XX_CP_ALWAYS_ON_COUNTER,
191 rbmemptr_stats(ring, index, alwayson_start));
192
193 /* Invalidate CCU depth and color */
194 OUT_PKT7(ring, CP_EVENT_WRITE, 1);
195 OUT_RING(ring, CP_EVENT_WRITE_0_EVENT(PC_CCU_INVALIDATE_DEPTH));
196
197 OUT_PKT7(ring, CP_EVENT_WRITE, 1);
198 OUT_RING(ring, CP_EVENT_WRITE_0_EVENT(PC_CCU_INVALIDATE_COLOR));
199
200 /* Submit the commands */
201 for (i = 0; i < submit->nr_cmds; i++) {
202 switch (submit->cmd[i].type) {
203 case MSM_SUBMIT_CMD_IB_TARGET_BUF:
204 break;
205 case MSM_SUBMIT_CMD_CTX_RESTORE_BUF:
206 if (gpu->cur_ctx_seqno == submit->queue->ctx->seqno)
207 break;
208 fallthrough;
209 case MSM_SUBMIT_CMD_BUF:
210 OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3);
211 OUT_RING(ring, lower_32_bits(submit->cmd[i].iova));
212 OUT_RING(ring, upper_32_bits(submit->cmd[i].iova));
213 OUT_RING(ring, submit->cmd[i].size);
214 ibs++;
215 break;
216 }
217
218 /*
219 * Periodically update shadow-wptr if needed, so that we
220 * can see partial progress of submits with large # of
221 * cmds.. otherwise we could needlessly stall waiting for
222 * ringbuffer state, simply due to looking at a shadow
223 * rptr value that has not been updated
224 */
225 if ((ibs % 32) == 0)
226 update_shadow_rptr(gpu, ring);
227 }
228
229 get_stats_counter(ring, REG_A6XX_RBBM_PERFCTR_CP(0),
230 rbmemptr_stats(ring, index, cpcycles_end));
231 get_stats_counter(ring, REG_A6XX_CP_ALWAYS_ON_COUNTER,
232 rbmemptr_stats(ring, index, alwayson_end));
233
234 /* Write the fence to the scratch register */
235 OUT_PKT4(ring, REG_A6XX_CP_SCRATCH_REG(2), 1);
236 OUT_RING(ring, submit->seqno);
237
238 /*
239 * Execute a CACHE_FLUSH_TS event. This will ensure that the
240 * timestamp is written to the memory and then triggers the interrupt
241 */
242 OUT_PKT7(ring, CP_EVENT_WRITE, 4);
243 OUT_RING(ring, CP_EVENT_WRITE_0_EVENT(CACHE_FLUSH_TS) |
244 CP_EVENT_WRITE_0_IRQ);
245 OUT_RING(ring, lower_32_bits(rbmemptr(ring, fence)));
246 OUT_RING(ring, upper_32_bits(rbmemptr(ring, fence)));
247 OUT_RING(ring, submit->seqno);
248
249 trace_msm_gpu_submit_flush(submit,
250 gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER));
251
252 a6xx_flush(gpu, ring);
253 }
254
255 const struct adreno_reglist a612_hwcg[] = {
256 {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x22222222},
257 {REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02222220},
258 {REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000081},
259 {REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000f3cf},
260 {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x22222222},
261 {REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222},
262 {REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222},
263 {REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222},
264 {REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111},
265 {REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111},
266 {REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111},
267 {REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111},
268 {REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777},
269 {REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777},
270 {REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777},
271 {REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777},
272 {REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222},
273 {REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x01202222},
274 {REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002220},
275 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040f00},
276 {REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x05522022},
277 {REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555},
278 {REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011},
279 {REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044},
280 {REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222},
281 {REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222},
282 {REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x02222222},
283 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002},
284 {REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
285 {REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000},
286 {REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222},
287 {REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200},
288 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000},
289 {REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000},
290 {REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000},
291 {REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004},
292 {REG_A6XX_RBBM_CLOCK_HYST_HLSQ, 0x00000000},
293 {REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222},
294 {REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004},
295 {REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002},
296 {REG_A6XX_RBBM_ISDB_CNT, 0x00000182},
297 {REG_A6XX_RBBM_RAC_THRESHOLD_CNT, 0x00000000},
298 {REG_A6XX_RBBM_SP_HYST_CNT, 0x00000000},
299 {REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
300 {REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
301 {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555},
302 {},
303 };
304
305 /* For a615 family (a615, a616, a618 and a619) */
306 const struct adreno_reglist a615_hwcg[] = {
307 {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x02222222},
308 {REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02222220},
309 {REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000080},
310 {REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000F3CF},
311 {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x02222222},
312 {REG_A6XX_RBBM_CLOCK_CNTL_TP1, 0x02222222},
313 {REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222},
314 {REG_A6XX_RBBM_CLOCK_CNTL2_TP1, 0x22222222},
315 {REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222},
316 {REG_A6XX_RBBM_CLOCK_CNTL3_TP1, 0x22222222},
317 {REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222},
318 {REG_A6XX_RBBM_CLOCK_CNTL4_TP1, 0x00022222},
319 {REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777},
320 {REG_A6XX_RBBM_CLOCK_HYST_TP1, 0x77777777},
321 {REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777},
322 {REG_A6XX_RBBM_CLOCK_HYST2_TP1, 0x77777777},
323 {REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777},
324 {REG_A6XX_RBBM_CLOCK_HYST3_TP1, 0x77777777},
325 {REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777},
326 {REG_A6XX_RBBM_CLOCK_HYST4_TP1, 0x00077777},
327 {REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111},
328 {REG_A6XX_RBBM_CLOCK_DELAY_TP1, 0x11111111},
329 {REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111},
330 {REG_A6XX_RBBM_CLOCK_DELAY2_TP1, 0x11111111},
331 {REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111},
332 {REG_A6XX_RBBM_CLOCK_DELAY3_TP1, 0x11111111},
333 {REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111},
334 {REG_A6XX_RBBM_CLOCK_DELAY4_TP1, 0x00011111},
335 {REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222},
336 {REG_A6XX_RBBM_CLOCK_CNTL2_UCHE, 0x22222222},
337 {REG_A6XX_RBBM_CLOCK_CNTL3_UCHE, 0x22222222},
338 {REG_A6XX_RBBM_CLOCK_CNTL4_UCHE, 0x00222222},
339 {REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004},
340 {REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002},
341 {REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222},
342 {REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x00002222},
343 {REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002020},
344 {REG_A6XX_RBBM_CLOCK_CNTL_CCU1, 0x00002220},
345 {REG_A6XX_RBBM_CLOCK_CNTL_CCU2, 0x00002220},
346 {REG_A6XX_RBBM_CLOCK_CNTL_CCU3, 0x00002220},
347 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040F00},
348 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU1, 0x00040F00},
349 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU2, 0x00040F00},
350 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU3, 0x00040F00},
351 {REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x05022022},
352 {REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555},
353 {REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011},
354 {REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044},
355 {REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222},
356 {REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x00222222},
357 {REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222},
358 {REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000},
359 {REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004},
360 {REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000},
361 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000},
362 {REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000},
363 {REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200},
364 {REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222},
365 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002},
366 {REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
367 {REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
368 {REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
369 {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555},
370 {},
371 };
372
373 const struct adreno_reglist a630_hwcg[] = {
374 {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x22222222},
375 {REG_A6XX_RBBM_CLOCK_CNTL_SP1, 0x22222222},
376 {REG_A6XX_RBBM_CLOCK_CNTL_SP2, 0x22222222},
377 {REG_A6XX_RBBM_CLOCK_CNTL_SP3, 0x22222222},
378 {REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02022220},
379 {REG_A6XX_RBBM_CLOCK_CNTL2_SP1, 0x02022220},
380 {REG_A6XX_RBBM_CLOCK_CNTL2_SP2, 0x02022220},
381 {REG_A6XX_RBBM_CLOCK_CNTL2_SP3, 0x02022220},
382 {REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000080},
383 {REG_A6XX_RBBM_CLOCK_DELAY_SP1, 0x00000080},
384 {REG_A6XX_RBBM_CLOCK_DELAY_SP2, 0x00000080},
385 {REG_A6XX_RBBM_CLOCK_DELAY_SP3, 0x00000080},
386 {REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000f3cf},
387 {REG_A6XX_RBBM_CLOCK_HYST_SP1, 0x0000f3cf},
388 {REG_A6XX_RBBM_CLOCK_HYST_SP2, 0x0000f3cf},
389 {REG_A6XX_RBBM_CLOCK_HYST_SP3, 0x0000f3cf},
390 {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x02222222},
391 {REG_A6XX_RBBM_CLOCK_CNTL_TP1, 0x02222222},
392 {REG_A6XX_RBBM_CLOCK_CNTL_TP2, 0x02222222},
393 {REG_A6XX_RBBM_CLOCK_CNTL_TP3, 0x02222222},
394 {REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222},
395 {REG_A6XX_RBBM_CLOCK_CNTL2_TP1, 0x22222222},
396 {REG_A6XX_RBBM_CLOCK_CNTL2_TP2, 0x22222222},
397 {REG_A6XX_RBBM_CLOCK_CNTL2_TP3, 0x22222222},
398 {REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222},
399 {REG_A6XX_RBBM_CLOCK_CNTL3_TP1, 0x22222222},
400 {REG_A6XX_RBBM_CLOCK_CNTL3_TP2, 0x22222222},
401 {REG_A6XX_RBBM_CLOCK_CNTL3_TP3, 0x22222222},
402 {REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222},
403 {REG_A6XX_RBBM_CLOCK_CNTL4_TP1, 0x00022222},
404 {REG_A6XX_RBBM_CLOCK_CNTL4_TP2, 0x00022222},
405 {REG_A6XX_RBBM_CLOCK_CNTL4_TP3, 0x00022222},
406 {REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777},
407 {REG_A6XX_RBBM_CLOCK_HYST_TP1, 0x77777777},
408 {REG_A6XX_RBBM_CLOCK_HYST_TP2, 0x77777777},
409 {REG_A6XX_RBBM_CLOCK_HYST_TP3, 0x77777777},
410 {REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777},
411 {REG_A6XX_RBBM_CLOCK_HYST2_TP1, 0x77777777},
412 {REG_A6XX_RBBM_CLOCK_HYST2_TP2, 0x77777777},
413 {REG_A6XX_RBBM_CLOCK_HYST2_TP3, 0x77777777},
414 {REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777},
415 {REG_A6XX_RBBM_CLOCK_HYST3_TP1, 0x77777777},
416 {REG_A6XX_RBBM_CLOCK_HYST3_TP2, 0x77777777},
417 {REG_A6XX_RBBM_CLOCK_HYST3_TP3, 0x77777777},
418 {REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777},
419 {REG_A6XX_RBBM_CLOCK_HYST4_TP1, 0x00077777},
420 {REG_A6XX_RBBM_CLOCK_HYST4_TP2, 0x00077777},
421 {REG_A6XX_RBBM_CLOCK_HYST4_TP3, 0x00077777},
422 {REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111},
423 {REG_A6XX_RBBM_CLOCK_DELAY_TP1, 0x11111111},
424 {REG_A6XX_RBBM_CLOCK_DELAY_TP2, 0x11111111},
425 {REG_A6XX_RBBM_CLOCK_DELAY_TP3, 0x11111111},
426 {REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111},
427 {REG_A6XX_RBBM_CLOCK_DELAY2_TP1, 0x11111111},
428 {REG_A6XX_RBBM_CLOCK_DELAY2_TP2, 0x11111111},
429 {REG_A6XX_RBBM_CLOCK_DELAY2_TP3, 0x11111111},
430 {REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111},
431 {REG_A6XX_RBBM_CLOCK_DELAY3_TP1, 0x11111111},
432 {REG_A6XX_RBBM_CLOCK_DELAY3_TP2, 0x11111111},
433 {REG_A6XX_RBBM_CLOCK_DELAY3_TP3, 0x11111111},
434 {REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111},
435 {REG_A6XX_RBBM_CLOCK_DELAY4_TP1, 0x00011111},
436 {REG_A6XX_RBBM_CLOCK_DELAY4_TP2, 0x00011111},
437 {REG_A6XX_RBBM_CLOCK_DELAY4_TP3, 0x00011111},
438 {REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222},
439 {REG_A6XX_RBBM_CLOCK_CNTL2_UCHE, 0x22222222},
440 {REG_A6XX_RBBM_CLOCK_CNTL3_UCHE, 0x22222222},
441 {REG_A6XX_RBBM_CLOCK_CNTL4_UCHE, 0x00222222},
442 {REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004},
443 {REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002},
444 {REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222},
445 {REG_A6XX_RBBM_CLOCK_CNTL_RB1, 0x22222222},
446 {REG_A6XX_RBBM_CLOCK_CNTL_RB2, 0x22222222},
447 {REG_A6XX_RBBM_CLOCK_CNTL_RB3, 0x22222222},
448 {REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x00002222},
449 {REG_A6XX_RBBM_CLOCK_CNTL2_RB1, 0x00002222},
450 {REG_A6XX_RBBM_CLOCK_CNTL2_RB2, 0x00002222},
451 {REG_A6XX_RBBM_CLOCK_CNTL2_RB3, 0x00002222},
452 {REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002220},
453 {REG_A6XX_RBBM_CLOCK_CNTL_CCU1, 0x00002220},
454 {REG_A6XX_RBBM_CLOCK_CNTL_CCU2, 0x00002220},
455 {REG_A6XX_RBBM_CLOCK_CNTL_CCU3, 0x00002220},
456 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040f00},
457 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU1, 0x00040f00},
458 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU2, 0x00040f00},
459 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU3, 0x00040f00},
460 {REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x05022022},
461 {REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555},
462 {REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011},
463 {REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044},
464 {REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222},
465 {REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x00222222},
466 {REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222},
467 {REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000},
468 {REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004},
469 {REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000},
470 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000},
471 {REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000},
472 {REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200},
473 {REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222},
474 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002},
475 {REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
476 {REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
477 {REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
478 {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555},
479 {},
480 };
481
482 const struct adreno_reglist a640_hwcg[] = {
483 {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x02222222},
484 {REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02222220},
485 {REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000080},
486 {REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000F3CF},
487 {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x02222222},
488 {REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222},
489 {REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222},
490 {REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222},
491 {REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111},
492 {REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111},
493 {REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111},
494 {REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111},
495 {REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777},
496 {REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777},
497 {REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777},
498 {REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777},
499 {REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222},
500 {REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x01002222},
501 {REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002220},
502 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040F00},
503 {REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x05222022},
504 {REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555},
505 {REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011},
506 {REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044},
507 {REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222},
508 {REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222},
509 {REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x00222222},
510 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002},
511 {REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
512 {REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000},
513 {REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222},
514 {REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200},
515 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000},
516 {REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000},
517 {REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000},
518 {REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004},
519 {REG_A6XX_RBBM_CLOCK_HYST_HLSQ, 0x00000000},
520 {REG_A6XX_RBBM_CLOCK_CNTL_TEX_FCHE, 0x00000222},
521 {REG_A6XX_RBBM_CLOCK_DELAY_TEX_FCHE, 0x00000111},
522 {REG_A6XX_RBBM_CLOCK_HYST_TEX_FCHE, 0x00000000},
523 {REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222},
524 {REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004},
525 {REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002},
526 {REG_A6XX_RBBM_ISDB_CNT, 0x00000182},
527 {REG_A6XX_RBBM_RAC_THRESHOLD_CNT, 0x00000000},
528 {REG_A6XX_RBBM_SP_HYST_CNT, 0x00000000},
529 {REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
530 {REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
531 {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555},
532 {},
533 };
534
535 const struct adreno_reglist a650_hwcg[] = {
536 {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x02222222},
537 {REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02222220},
538 {REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000080},
539 {REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000F3CF},
540 {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x02222222},
541 {REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222},
542 {REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222},
543 {REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222},
544 {REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111},
545 {REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111},
546 {REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111},
547 {REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111},
548 {REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777},
549 {REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777},
550 {REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777},
551 {REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777},
552 {REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222},
553 {REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x01002222},
554 {REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002220},
555 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040F00},
556 {REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x25222022},
557 {REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555},
558 {REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011},
559 {REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044},
560 {REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222},
561 {REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222},
562 {REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x00222222},
563 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002},
564 {REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
565 {REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000},
566 {REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222},
567 {REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200},
568 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000},
569 {REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000},
570 {REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000},
571 {REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004},
572 {REG_A6XX_RBBM_CLOCK_HYST_HLSQ, 0x00000000},
573 {REG_A6XX_RBBM_CLOCK_CNTL_TEX_FCHE, 0x00000222},
574 {REG_A6XX_RBBM_CLOCK_DELAY_TEX_FCHE, 0x00000111},
575 {REG_A6XX_RBBM_CLOCK_HYST_TEX_FCHE, 0x00000777},
576 {REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222},
577 {REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004},
578 {REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002},
579 {REG_A6XX_RBBM_ISDB_CNT, 0x00000182},
580 {REG_A6XX_RBBM_RAC_THRESHOLD_CNT, 0x00000000},
581 {REG_A6XX_RBBM_SP_HYST_CNT, 0x00000000},
582 {REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
583 {REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
584 {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555},
585 {},
586 };
587
588 const struct adreno_reglist a660_hwcg[] = {
589 {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x02222222},
590 {REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02222220},
591 {REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000080},
592 {REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000F3CF},
593 {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x22222222},
594 {REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222},
595 {REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222},
596 {REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222},
597 {REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111},
598 {REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111},
599 {REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111},
600 {REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111},
601 {REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777},
602 {REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777},
603 {REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777},
604 {REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777},
605 {REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222},
606 {REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x01002222},
607 {REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002220},
608 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040F00},
609 {REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x25222022},
610 {REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555},
611 {REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011},
612 {REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044},
613 {REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222},
614 {REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222},
615 {REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x00222222},
616 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002},
617 {REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
618 {REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000},
619 {REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222},
620 {REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200},
621 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000},
622 {REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000},
623 {REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000},
624 {REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004},
625 {REG_A6XX_RBBM_CLOCK_HYST_HLSQ, 0x00000000},
626 {REG_A6XX_RBBM_CLOCK_CNTL_TEX_FCHE, 0x00000222},
627 {REG_A6XX_RBBM_CLOCK_DELAY_TEX_FCHE, 0x00000111},
628 {REG_A6XX_RBBM_CLOCK_HYST_TEX_FCHE, 0x00000000},
629 {REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222},
630 {REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004},
631 {REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002},
632 {REG_A6XX_RBBM_ISDB_CNT, 0x00000182},
633 {REG_A6XX_RBBM_RAC_THRESHOLD_CNT, 0x00000000},
634 {REG_A6XX_RBBM_SP_HYST_CNT, 0x00000000},
635 {REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
636 {REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
637 {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555},
638 {},
639 };
640
641 const struct adreno_reglist a690_hwcg[] = {
642 {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x02222222},
643 {REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02222220},
644 {REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000080},
645 {REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000F3CF},
646 {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x22222222},
647 {REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222},
648 {REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222},
649 {REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222},
650 {REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111},
651 {REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111},
652 {REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111},
653 {REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111},
654 {REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777},
655 {REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777},
656 {REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777},
657 {REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777},
658 {REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222},
659 {REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x01002222},
660 {REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002220},
661 {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040F00},
662 {REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x25222022},
663 {REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555},
664 {REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011},
665 {REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044},
666 {REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222},
667 {REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222},
668 {REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x00222222},
669 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002},
670 {REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222},
671 {REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000},
672 {REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222},
673 {REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200},
674 {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000},
675 {REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000},
676 {REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000},
677 {REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004},
678 {REG_A6XX_RBBM_CLOCK_HYST_HLSQ, 0x00000000},
679 {REG_A6XX_RBBM_CLOCK_CNTL_TEX_FCHE, 0x00000222},
680 {REG_A6XX_RBBM_CLOCK_DELAY_TEX_FCHE, 0x00000111},
681 {REG_A6XX_RBBM_CLOCK_HYST_TEX_FCHE, 0x00000000},
682 {REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222},
683 {REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004},
684 {REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002},
685 {REG_A6XX_RBBM_CLOCK_CNTL, 0x8AA8AA82},
686 {REG_A6XX_RBBM_ISDB_CNT, 0x00000182},
687 {REG_A6XX_RBBM_RAC_THRESHOLD_CNT, 0x00000000},
688 {REG_A6XX_RBBM_SP_HYST_CNT, 0x00000000},
689 {REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222},
690 {REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111},
691 {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555},
692 {REG_A6XX_GPU_GMU_AO_GMU_CGC_MODE_CNTL, 0x20200},
693 {REG_A6XX_GPU_GMU_AO_GMU_CGC_DELAY_CNTL, 0x10111},
694 {REG_A6XX_GPU_GMU_AO_GMU_CGC_HYST_CNTL, 0x5555},
695 {}
696 };
697
a6xx_set_hwcg(struct msm_gpu * gpu,bool state)698 static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state)
699 {
700 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
701 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
702 struct a6xx_gmu *gmu = &a6xx_gpu->gmu;
703 const struct adreno_reglist *reg;
704 unsigned int i;
705 u32 val, clock_cntl_on;
706
707 if (!adreno_gpu->info->hwcg)
708 return;
709
710 if (adreno_is_a630(adreno_gpu))
711 clock_cntl_on = 0x8aa8aa02;
712 else if (adreno_is_a610(adreno_gpu))
713 clock_cntl_on = 0xaaa8aa82;
714 else
715 clock_cntl_on = 0x8aa8aa82;
716
717 val = gpu_read(gpu, REG_A6XX_RBBM_CLOCK_CNTL);
718
719 /* Don't re-program the registers if they are already correct */
720 if ((!state && !val) || (state && (val == clock_cntl_on)))
721 return;
722
723 /* Disable SP clock before programming HWCG registers */
724 if (!adreno_is_a610(adreno_gpu))
725 gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 1, 0);
726
727 for (i = 0; (reg = &adreno_gpu->info->hwcg[i], reg->offset); i++)
728 gpu_write(gpu, reg->offset, state ? reg->value : 0);
729
730 /* Enable SP clock */
731 if (!adreno_is_a610(adreno_gpu))
732 gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 0, 1);
733
734 gpu_write(gpu, REG_A6XX_RBBM_CLOCK_CNTL, state ? clock_cntl_on : 0);
735 }
736
737 /* For a615, a616, a618, a619, a630, a640 and a680 */
738 static const u32 a6xx_protect[] = {
739 A6XX_PROTECT_RDONLY(0x00000, 0x04ff),
740 A6XX_PROTECT_RDONLY(0x00501, 0x0005),
741 A6XX_PROTECT_RDONLY(0x0050b, 0x02f4),
742 A6XX_PROTECT_NORDWR(0x0050e, 0x0000),
743 A6XX_PROTECT_NORDWR(0x00510, 0x0000),
744 A6XX_PROTECT_NORDWR(0x00534, 0x0000),
745 A6XX_PROTECT_NORDWR(0x00800, 0x0082),
746 A6XX_PROTECT_NORDWR(0x008a0, 0x0008),
747 A6XX_PROTECT_NORDWR(0x008ab, 0x0024),
748 A6XX_PROTECT_RDONLY(0x008de, 0x00ae),
749 A6XX_PROTECT_NORDWR(0x00900, 0x004d),
750 A6XX_PROTECT_NORDWR(0x0098d, 0x0272),
751 A6XX_PROTECT_NORDWR(0x00e00, 0x0001),
752 A6XX_PROTECT_NORDWR(0x00e03, 0x000c),
753 A6XX_PROTECT_NORDWR(0x03c00, 0x00c3),
754 A6XX_PROTECT_RDONLY(0x03cc4, 0x1fff),
755 A6XX_PROTECT_NORDWR(0x08630, 0x01cf),
756 A6XX_PROTECT_NORDWR(0x08e00, 0x0000),
757 A6XX_PROTECT_NORDWR(0x08e08, 0x0000),
758 A6XX_PROTECT_NORDWR(0x08e50, 0x001f),
759 A6XX_PROTECT_NORDWR(0x09624, 0x01db),
760 A6XX_PROTECT_NORDWR(0x09e70, 0x0001),
761 A6XX_PROTECT_NORDWR(0x09e78, 0x0187),
762 A6XX_PROTECT_NORDWR(0x0a630, 0x01cf),
763 A6XX_PROTECT_NORDWR(0x0ae02, 0x0000),
764 A6XX_PROTECT_NORDWR(0x0ae50, 0x032f),
765 A6XX_PROTECT_NORDWR(0x0b604, 0x0000),
766 A6XX_PROTECT_NORDWR(0x0be02, 0x0001),
767 A6XX_PROTECT_NORDWR(0x0be20, 0x17df),
768 A6XX_PROTECT_NORDWR(0x0f000, 0x0bff),
769 A6XX_PROTECT_RDONLY(0x0fc00, 0x1fff),
770 A6XX_PROTECT_NORDWR(0x11c00, 0x0000), /* note: infinite range */
771 };
772
773 /* These are for a620 and a650 */
774 static const u32 a650_protect[] = {
775 A6XX_PROTECT_RDONLY(0x00000, 0x04ff),
776 A6XX_PROTECT_RDONLY(0x00501, 0x0005),
777 A6XX_PROTECT_RDONLY(0x0050b, 0x02f4),
778 A6XX_PROTECT_NORDWR(0x0050e, 0x0000),
779 A6XX_PROTECT_NORDWR(0x00510, 0x0000),
780 A6XX_PROTECT_NORDWR(0x00534, 0x0000),
781 A6XX_PROTECT_NORDWR(0x00800, 0x0082),
782 A6XX_PROTECT_NORDWR(0x008a0, 0x0008),
783 A6XX_PROTECT_NORDWR(0x008ab, 0x0024),
784 A6XX_PROTECT_RDONLY(0x008de, 0x00ae),
785 A6XX_PROTECT_NORDWR(0x00900, 0x004d),
786 A6XX_PROTECT_NORDWR(0x0098d, 0x0272),
787 A6XX_PROTECT_NORDWR(0x00e00, 0x0001),
788 A6XX_PROTECT_NORDWR(0x00e03, 0x000c),
789 A6XX_PROTECT_NORDWR(0x03c00, 0x00c3),
790 A6XX_PROTECT_RDONLY(0x03cc4, 0x1fff),
791 A6XX_PROTECT_NORDWR(0x08630, 0x01cf),
792 A6XX_PROTECT_NORDWR(0x08e00, 0x0000),
793 A6XX_PROTECT_NORDWR(0x08e08, 0x0000),
794 A6XX_PROTECT_NORDWR(0x08e50, 0x001f),
795 A6XX_PROTECT_NORDWR(0x08e80, 0x027f),
796 A6XX_PROTECT_NORDWR(0x09624, 0x01db),
797 A6XX_PROTECT_NORDWR(0x09e60, 0x0011),
798 A6XX_PROTECT_NORDWR(0x09e78, 0x0187),
799 A6XX_PROTECT_NORDWR(0x0a630, 0x01cf),
800 A6XX_PROTECT_NORDWR(0x0ae02, 0x0000),
801 A6XX_PROTECT_NORDWR(0x0ae50, 0x032f),
802 A6XX_PROTECT_NORDWR(0x0b604, 0x0000),
803 A6XX_PROTECT_NORDWR(0x0b608, 0x0007),
804 A6XX_PROTECT_NORDWR(0x0be02, 0x0001),
805 A6XX_PROTECT_NORDWR(0x0be20, 0x17df),
806 A6XX_PROTECT_NORDWR(0x0f000, 0x0bff),
807 A6XX_PROTECT_RDONLY(0x0fc00, 0x1fff),
808 A6XX_PROTECT_NORDWR(0x18400, 0x1fff),
809 A6XX_PROTECT_NORDWR(0x1a800, 0x1fff),
810 A6XX_PROTECT_NORDWR(0x1f400, 0x0443),
811 A6XX_PROTECT_RDONLY(0x1f844, 0x007b),
812 A6XX_PROTECT_NORDWR(0x1f887, 0x001b),
813 A6XX_PROTECT_NORDWR(0x1f8c0, 0x0000), /* note: infinite range */
814 };
815
816 /* These are for a635 and a660 */
817 static const u32 a660_protect[] = {
818 A6XX_PROTECT_RDONLY(0x00000, 0x04ff),
819 A6XX_PROTECT_RDONLY(0x00501, 0x0005),
820 A6XX_PROTECT_RDONLY(0x0050b, 0x02f4),
821 A6XX_PROTECT_NORDWR(0x0050e, 0x0000),
822 A6XX_PROTECT_NORDWR(0x00510, 0x0000),
823 A6XX_PROTECT_NORDWR(0x00534, 0x0000),
824 A6XX_PROTECT_NORDWR(0x00800, 0x0082),
825 A6XX_PROTECT_NORDWR(0x008a0, 0x0008),
826 A6XX_PROTECT_NORDWR(0x008ab, 0x0024),
827 A6XX_PROTECT_RDONLY(0x008de, 0x00ae),
828 A6XX_PROTECT_NORDWR(0x00900, 0x004d),
829 A6XX_PROTECT_NORDWR(0x0098d, 0x0272),
830 A6XX_PROTECT_NORDWR(0x00e00, 0x0001),
831 A6XX_PROTECT_NORDWR(0x00e03, 0x000c),
832 A6XX_PROTECT_NORDWR(0x03c00, 0x00c3),
833 A6XX_PROTECT_RDONLY(0x03cc4, 0x1fff),
834 A6XX_PROTECT_NORDWR(0x08630, 0x01cf),
835 A6XX_PROTECT_NORDWR(0x08e00, 0x0000),
836 A6XX_PROTECT_NORDWR(0x08e08, 0x0000),
837 A6XX_PROTECT_NORDWR(0x08e50, 0x001f),
838 A6XX_PROTECT_NORDWR(0x08e80, 0x027f),
839 A6XX_PROTECT_NORDWR(0x09624, 0x01db),
840 A6XX_PROTECT_NORDWR(0x09e60, 0x0011),
841 A6XX_PROTECT_NORDWR(0x09e78, 0x0187),
842 A6XX_PROTECT_NORDWR(0x0a630, 0x01cf),
843 A6XX_PROTECT_NORDWR(0x0ae02, 0x0000),
844 A6XX_PROTECT_NORDWR(0x0ae50, 0x012f),
845 A6XX_PROTECT_NORDWR(0x0b604, 0x0000),
846 A6XX_PROTECT_NORDWR(0x0b608, 0x0006),
847 A6XX_PROTECT_NORDWR(0x0be02, 0x0001),
848 A6XX_PROTECT_NORDWR(0x0be20, 0x015f),
849 A6XX_PROTECT_NORDWR(0x0d000, 0x05ff),
850 A6XX_PROTECT_NORDWR(0x0f000, 0x0bff),
851 A6XX_PROTECT_RDONLY(0x0fc00, 0x1fff),
852 A6XX_PROTECT_NORDWR(0x18400, 0x1fff),
853 A6XX_PROTECT_NORDWR(0x1a400, 0x1fff),
854 A6XX_PROTECT_NORDWR(0x1f400, 0x0443),
855 A6XX_PROTECT_RDONLY(0x1f844, 0x007b),
856 A6XX_PROTECT_NORDWR(0x1f860, 0x0000),
857 A6XX_PROTECT_NORDWR(0x1f887, 0x001b),
858 A6XX_PROTECT_NORDWR(0x1f8c0, 0x0000), /* note: infinite range */
859 };
860
861 /* These are for a690 */
862 static const u32 a690_protect[] = {
863 A6XX_PROTECT_RDONLY(0x00000, 0x004ff),
864 A6XX_PROTECT_RDONLY(0x00501, 0x00001),
865 A6XX_PROTECT_RDONLY(0x0050b, 0x002f4),
866 A6XX_PROTECT_NORDWR(0x0050e, 0x00000),
867 A6XX_PROTECT_NORDWR(0x00510, 0x00000),
868 A6XX_PROTECT_NORDWR(0x00534, 0x00000),
869 A6XX_PROTECT_NORDWR(0x00800, 0x00082),
870 A6XX_PROTECT_NORDWR(0x008a0, 0x00008),
871 A6XX_PROTECT_NORDWR(0x008ab, 0x00024),
872 A6XX_PROTECT_RDONLY(0x008de, 0x000ae),
873 A6XX_PROTECT_NORDWR(0x00900, 0x0004d),
874 A6XX_PROTECT_NORDWR(0x0098d, 0x00272),
875 A6XX_PROTECT_NORDWR(0x00e00, 0x00001),
876 A6XX_PROTECT_NORDWR(0x00e03, 0x0000c),
877 A6XX_PROTECT_NORDWR(0x03c00, 0x000c3),
878 A6XX_PROTECT_RDONLY(0x03cc4, 0x01fff),
879 A6XX_PROTECT_NORDWR(0x08630, 0x001cf),
880 A6XX_PROTECT_NORDWR(0x08e00, 0x00000),
881 A6XX_PROTECT_NORDWR(0x08e08, 0x00007),
882 A6XX_PROTECT_NORDWR(0x08e50, 0x0001f),
883 A6XX_PROTECT_NORDWR(0x08e80, 0x0027f),
884 A6XX_PROTECT_NORDWR(0x09624, 0x001db),
885 A6XX_PROTECT_NORDWR(0x09e60, 0x00011),
886 A6XX_PROTECT_NORDWR(0x09e78, 0x00187),
887 A6XX_PROTECT_NORDWR(0x0a630, 0x001cf),
888 A6XX_PROTECT_NORDWR(0x0ae02, 0x00000),
889 A6XX_PROTECT_NORDWR(0x0ae50, 0x0012f),
890 A6XX_PROTECT_NORDWR(0x0b604, 0x00000),
891 A6XX_PROTECT_NORDWR(0x0b608, 0x00006),
892 A6XX_PROTECT_NORDWR(0x0be02, 0x00001),
893 A6XX_PROTECT_NORDWR(0x0be20, 0x0015f),
894 A6XX_PROTECT_NORDWR(0x0d000, 0x005ff),
895 A6XX_PROTECT_NORDWR(0x0f000, 0x00bff),
896 A6XX_PROTECT_RDONLY(0x0fc00, 0x01fff),
897 A6XX_PROTECT_NORDWR(0x11c00, 0x00000), /*note: infiite range */
898 };
899
a6xx_set_cp_protect(struct msm_gpu * gpu)900 static void a6xx_set_cp_protect(struct msm_gpu *gpu)
901 {
902 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
903 const u32 *regs = a6xx_protect;
904 unsigned i, count, count_max;
905
906 if (adreno_is_a650(adreno_gpu)) {
907 regs = a650_protect;
908 count = ARRAY_SIZE(a650_protect);
909 count_max = 48;
910 BUILD_BUG_ON(ARRAY_SIZE(a650_protect) > 48);
911 } else if (adreno_is_a690(adreno_gpu)) {
912 regs = a690_protect;
913 count = ARRAY_SIZE(a690_protect);
914 count_max = 48;
915 BUILD_BUG_ON(ARRAY_SIZE(a690_protect) > 48);
916 } else if (adreno_is_a660_family(adreno_gpu)) {
917 regs = a660_protect;
918 count = ARRAY_SIZE(a660_protect);
919 count_max = 48;
920 BUILD_BUG_ON(ARRAY_SIZE(a660_protect) > 48);
921 } else {
922 regs = a6xx_protect;
923 count = ARRAY_SIZE(a6xx_protect);
924 count_max = 32;
925 BUILD_BUG_ON(ARRAY_SIZE(a6xx_protect) > 32);
926 }
927
928 /*
929 * Enable access protection to privileged registers, fault on an access
930 * protect violation and select the last span to protect from the start
931 * address all the way to the end of the register address space
932 */
933 gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL,
934 A6XX_CP_PROTECT_CNTL_ACCESS_PROT_EN |
935 A6XX_CP_PROTECT_CNTL_ACCESS_FAULT_ON_VIOL_EN |
936 A6XX_CP_PROTECT_CNTL_LAST_SPAN_INF_RANGE);
937
938 for (i = 0; i < count - 1; i++) {
939 /* Intentionally skip writing to some registers */
940 if (regs[i])
941 gpu_write(gpu, REG_A6XX_CP_PROTECT(i), regs[i]);
942 }
943 /* last CP_PROTECT to have "infinite" length on the last entry */
944 gpu_write(gpu, REG_A6XX_CP_PROTECT(count_max - 1), regs[i]);
945 }
946
a6xx_set_ubwc_config(struct msm_gpu * gpu)947 static void a6xx_set_ubwc_config(struct msm_gpu *gpu)
948 {
949 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
950 /* Unknown, introduced with A650 family, related to UBWC mode/ver 4 */
951 u32 rgb565_predicator = 0;
952 /* Unknown, introduced with A650 family */
953 u32 uavflagprd_inv = 0;
954 /* Whether the minimum access length is 64 bits */
955 u32 min_acc_len = 0;
956 /* Entirely magic, per-GPU-gen value */
957 u32 ubwc_mode = 0;
958 /*
959 * The Highest Bank Bit value represents the bit of the highest DDR bank.
960 * We then subtract 13 from it (13 is the minimum value allowed by hw) and
961 * write the lowest two bits of the remaining value as hbb_lo and the
962 * one above it as hbb_hi to the hardware. This should ideally use DRAM
963 * type detection.
964 */
965 u32 hbb_hi = 0;
966 u32 hbb_lo = 2;
967 /* Unknown, introduced with A640/680 */
968 u32 amsbc = 0;
969
970 if (adreno_is_a610(adreno_gpu)) {
971 /* HBB = 14 */
972 hbb_lo = 1;
973 min_acc_len = 1;
974 ubwc_mode = 1;
975 }
976
977 /* a618 is using the hw default values */
978 if (adreno_is_a618(adreno_gpu))
979 return;
980
981 if (adreno_is_a619_holi(adreno_gpu))
982 hbb_lo = 0;
983
984 if (adreno_is_a640_family(adreno_gpu))
985 amsbc = 1;
986
987 if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu)) {
988 /* TODO: get ddr type from bootloader and use 2 for LPDDR4 */
989 hbb_lo = 3;
990 amsbc = 1;
991 rgb565_predicator = 1;
992 uavflagprd_inv = 2;
993 }
994
995 if (adreno_is_a690(adreno_gpu)) {
996 hbb_lo = 2;
997 amsbc = 1;
998 rgb565_predicator = 1;
999 uavflagprd_inv = 2;
1000 }
1001
1002 if (adreno_is_7c3(adreno_gpu)) {
1003 hbb_lo = 1;
1004 amsbc = 1;
1005 rgb565_predicator = 1;
1006 uavflagprd_inv = 2;
1007 }
1008
1009 gpu_write(gpu, REG_A6XX_RB_NC_MODE_CNTL,
1010 rgb565_predicator << 11 | hbb_hi << 10 | amsbc << 4 |
1011 min_acc_len << 3 | hbb_lo << 1 | ubwc_mode);
1012
1013 gpu_write(gpu, REG_A6XX_TPL1_NC_MODE_CNTL, hbb_hi << 4 |
1014 min_acc_len << 3 | hbb_lo << 1 | ubwc_mode);
1015
1016 gpu_write(gpu, REG_A6XX_SP_NC_MODE_CNTL, hbb_hi << 10 |
1017 uavflagprd_inv << 4 | min_acc_len << 3 |
1018 hbb_lo << 1 | ubwc_mode);
1019
1020 gpu_write(gpu, REG_A6XX_UCHE_MODE_CNTL, min_acc_len << 23 | hbb_lo << 21);
1021 }
1022
a6xx_cp_init(struct msm_gpu * gpu)1023 static int a6xx_cp_init(struct msm_gpu *gpu)
1024 {
1025 struct msm_ringbuffer *ring = gpu->rb[0];
1026
1027 OUT_PKT7(ring, CP_ME_INIT, 8);
1028
1029 OUT_RING(ring, 0x0000002f);
1030
1031 /* Enable multiple hardware contexts */
1032 OUT_RING(ring, 0x00000003);
1033
1034 /* Enable error detection */
1035 OUT_RING(ring, 0x20000000);
1036
1037 /* Don't enable header dump */
1038 OUT_RING(ring, 0x00000000);
1039 OUT_RING(ring, 0x00000000);
1040
1041 /* No workarounds enabled */
1042 OUT_RING(ring, 0x00000000);
1043
1044 /* Pad rest of the cmds with 0's */
1045 OUT_RING(ring, 0x00000000);
1046 OUT_RING(ring, 0x00000000);
1047
1048 a6xx_flush(gpu, ring);
1049 return a6xx_idle(gpu, ring) ? 0 : -EINVAL;
1050 }
1051
1052 /*
1053 * Check that the microcode version is new enough to include several key
1054 * security fixes. Return true if the ucode is safe.
1055 */
a6xx_ucode_check_version(struct a6xx_gpu * a6xx_gpu,struct drm_gem_object * obj)1056 static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu,
1057 struct drm_gem_object *obj)
1058 {
1059 struct adreno_gpu *adreno_gpu = &a6xx_gpu->base;
1060 struct msm_gpu *gpu = &adreno_gpu->base;
1061 const char *sqe_name = adreno_gpu->info->fw[ADRENO_FW_SQE];
1062 u32 *buf = msm_gem_get_vaddr(obj);
1063 bool ret = false;
1064
1065 if (IS_ERR(buf))
1066 return false;
1067
1068 /*
1069 * Targets up to a640 (a618, a630 and a640) need to check for a
1070 * microcode version that is patched to support the whereami opcode or
1071 * one that is new enough to include it by default.
1072 *
1073 * a650 tier targets don't need whereami but still need to be
1074 * equal to or newer than 0.95 for other security fixes
1075 *
1076 * a660 targets have all the critical security fixes from the start
1077 */
1078 if (!strcmp(sqe_name, "a630_sqe.fw")) {
1079 /*
1080 * If the lowest nibble is 0xa that is an indication that this
1081 * microcode has been patched. The actual version is in dword
1082 * [3] but we only care about the patchlevel which is the lowest
1083 * nibble of dword [3]
1084 *
1085 * Otherwise check that the firmware is greater than or equal
1086 * to 1.90 which was the first version that had this fix built
1087 * in
1088 */
1089 if ((((buf[0] & 0xf) == 0xa) && (buf[2] & 0xf) >= 1) ||
1090 (buf[0] & 0xfff) >= 0x190) {
1091 a6xx_gpu->has_whereami = true;
1092 ret = true;
1093 goto out;
1094 }
1095
1096 DRM_DEV_ERROR(&gpu->pdev->dev,
1097 "a630 SQE ucode is too old. Have version %x need at least %x\n",
1098 buf[0] & 0xfff, 0x190);
1099 } else if (!strcmp(sqe_name, "a650_sqe.fw")) {
1100 if ((buf[0] & 0xfff) >= 0x095) {
1101 ret = true;
1102 goto out;
1103 }
1104
1105 DRM_DEV_ERROR(&gpu->pdev->dev,
1106 "a650 SQE ucode is too old. Have version %x need at least %x\n",
1107 buf[0] & 0xfff, 0x095);
1108 } else if (!strcmp(sqe_name, "a660_sqe.fw")) {
1109 ret = true;
1110 } else {
1111 DRM_DEV_ERROR(&gpu->pdev->dev,
1112 "unknown GPU, add it to a6xx_ucode_check_version()!!\n");
1113 }
1114 out:
1115 msm_gem_put_vaddr(obj);
1116 return ret;
1117 }
1118
a6xx_ucode_load(struct msm_gpu * gpu)1119 static int a6xx_ucode_load(struct msm_gpu *gpu)
1120 {
1121 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
1122 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
1123
1124 if (!a6xx_gpu->sqe_bo) {
1125 a6xx_gpu->sqe_bo = adreno_fw_create_bo(gpu,
1126 adreno_gpu->fw[ADRENO_FW_SQE], &a6xx_gpu->sqe_iova);
1127
1128 if (IS_ERR(a6xx_gpu->sqe_bo)) {
1129 int ret = PTR_ERR(a6xx_gpu->sqe_bo);
1130
1131 a6xx_gpu->sqe_bo = NULL;
1132 DRM_DEV_ERROR(&gpu->pdev->dev,
1133 "Could not allocate SQE ucode: %d\n", ret);
1134
1135 return ret;
1136 }
1137
1138 msm_gem_object_set_name(a6xx_gpu->sqe_bo, "sqefw");
1139 if (!a6xx_ucode_check_version(a6xx_gpu, a6xx_gpu->sqe_bo)) {
1140 msm_gem_unpin_iova(a6xx_gpu->sqe_bo, gpu->aspace);
1141 drm_gem_object_put(a6xx_gpu->sqe_bo);
1142
1143 a6xx_gpu->sqe_bo = NULL;
1144 return -EPERM;
1145 }
1146 }
1147
1148 /*
1149 * Expanded APRIV and targets that support WHERE_AM_I both need a
1150 * privileged buffer to store the RPTR shadow
1151 */
1152 if ((adreno_gpu->base.hw_apriv || a6xx_gpu->has_whereami) &&
1153 !a6xx_gpu->shadow_bo) {
1154 a6xx_gpu->shadow = msm_gem_kernel_new(gpu->dev,
1155 sizeof(u32) * gpu->nr_rings,
1156 MSM_BO_WC | MSM_BO_MAP_PRIV,
1157 gpu->aspace, &a6xx_gpu->shadow_bo,
1158 &a6xx_gpu->shadow_iova);
1159
1160 if (IS_ERR(a6xx_gpu->shadow))
1161 return PTR_ERR(a6xx_gpu->shadow);
1162
1163 msm_gem_object_set_name(a6xx_gpu->shadow_bo, "shadow");
1164 }
1165
1166 return 0;
1167 }
1168
a6xx_zap_shader_init(struct msm_gpu * gpu)1169 static int a6xx_zap_shader_init(struct msm_gpu *gpu)
1170 {
1171 static bool loaded;
1172 int ret;
1173
1174 if (loaded)
1175 return 0;
1176
1177 ret = adreno_zap_shader_load(gpu, GPU_PAS_ID);
1178
1179 loaded = !ret;
1180 return ret;
1181 }
1182
1183 #define A6XX_INT_MASK (A6XX_RBBM_INT_0_MASK_CP_AHB_ERROR | \
1184 A6XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNCFIFO_OVERFLOW | \
1185 A6XX_RBBM_INT_0_MASK_CP_HW_ERROR | \
1186 A6XX_RBBM_INT_0_MASK_CP_IB2 | \
1187 A6XX_RBBM_INT_0_MASK_CP_IB1 | \
1188 A6XX_RBBM_INT_0_MASK_CP_RB | \
1189 A6XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS | \
1190 A6XX_RBBM_INT_0_MASK_RBBM_ATB_BUS_OVERFLOW | \
1191 A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT | \
1192 A6XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS | \
1193 A6XX_RBBM_INT_0_MASK_UCHE_TRAP_INTR)
1194
hw_init(struct msm_gpu * gpu)1195 static int hw_init(struct msm_gpu *gpu)
1196 {
1197 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
1198 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
1199 struct a6xx_gmu *gmu = &a6xx_gpu->gmu;
1200 int ret;
1201
1202 if (!adreno_has_gmu_wrapper(adreno_gpu)) {
1203 /* Make sure the GMU keeps the GPU on while we set it up */
1204 ret = a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET);
1205 if (ret)
1206 return ret;
1207 }
1208
1209 /* Clear GBIF halt in case GX domain was not collapsed */
1210 if (adreno_is_a619_holi(adreno_gpu)) {
1211 gpu_write(gpu, REG_A6XX_GBIF_HALT, 0);
1212 gpu_write(gpu, REG_A6XX_RBBM_GPR0_CNTL, 0);
1213 /* Let's make extra sure that the GPU can access the memory.. */
1214 mb();
1215 } else if (a6xx_has_gbif(adreno_gpu)) {
1216 gpu_write(gpu, REG_A6XX_GBIF_HALT, 0);
1217 gpu_write(gpu, REG_A6XX_RBBM_GBIF_HALT, 0);
1218 /* Let's make extra sure that the GPU can access the memory.. */
1219 mb();
1220 }
1221
1222 gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_CNTL, 0);
1223
1224 if (adreno_is_a619_holi(adreno_gpu))
1225 a6xx_sptprac_enable(gmu);
1226
1227 /*
1228 * Disable the trusted memory range - we don't actually supported secure
1229 * memory rendering at this point in time and we don't want to block off
1230 * part of the virtual memory space.
1231 */
1232 gpu_write64(gpu, REG_A6XX_RBBM_SECVID_TSB_TRUSTED_BASE, 0x00000000);
1233 gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_TRUSTED_SIZE, 0x00000000);
1234
1235 /* Turn on 64 bit addressing for all blocks */
1236 gpu_write(gpu, REG_A6XX_CP_ADDR_MODE_CNTL, 0x1);
1237 gpu_write(gpu, REG_A6XX_VSC_ADDR_MODE_CNTL, 0x1);
1238 gpu_write(gpu, REG_A6XX_GRAS_ADDR_MODE_CNTL, 0x1);
1239 gpu_write(gpu, REG_A6XX_RB_ADDR_MODE_CNTL, 0x1);
1240 gpu_write(gpu, REG_A6XX_PC_ADDR_MODE_CNTL, 0x1);
1241 gpu_write(gpu, REG_A6XX_HLSQ_ADDR_MODE_CNTL, 0x1);
1242 gpu_write(gpu, REG_A6XX_VFD_ADDR_MODE_CNTL, 0x1);
1243 gpu_write(gpu, REG_A6XX_VPC_ADDR_MODE_CNTL, 0x1);
1244 gpu_write(gpu, REG_A6XX_UCHE_ADDR_MODE_CNTL, 0x1);
1245 gpu_write(gpu, REG_A6XX_SP_ADDR_MODE_CNTL, 0x1);
1246 gpu_write(gpu, REG_A6XX_TPL1_ADDR_MODE_CNTL, 0x1);
1247 gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_ADDR_MODE_CNTL, 0x1);
1248
1249 /* enable hardware clockgating */
1250 a6xx_set_hwcg(gpu, true);
1251
1252 /* VBIF/GBIF start*/
1253 if (adreno_is_a610(adreno_gpu) ||
1254 adreno_is_a640_family(adreno_gpu) ||
1255 adreno_is_a650_family(adreno_gpu)) {
1256 gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE0, 0x00071620);
1257 gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE1, 0x00071620);
1258 gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE2, 0x00071620);
1259 gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE3, 0x00071620);
1260 gpu_write(gpu, REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL, 0x3);
1261 } else {
1262 gpu_write(gpu, REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL, 0x3);
1263 }
1264
1265 if (adreno_is_a630(adreno_gpu))
1266 gpu_write(gpu, REG_A6XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000009);
1267
1268 /* Make all blocks contribute to the GPU BUSY perf counter */
1269 gpu_write(gpu, REG_A6XX_RBBM_PERFCTR_GPU_BUSY_MASKED, 0xffffffff);
1270
1271 /* Disable L2 bypass in the UCHE */
1272 gpu_write64(gpu, REG_A6XX_UCHE_WRITE_RANGE_MAX, 0x0001ffffffffffc0llu);
1273 gpu_write64(gpu, REG_A6XX_UCHE_TRAP_BASE, 0x0001fffffffff000llu);
1274 gpu_write64(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE, 0x0001fffffffff000llu);
1275
1276 if (!adreno_is_a650_family(adreno_gpu)) {
1277 /* Set the GMEM VA range [0x100000:0x100000 + gpu->gmem - 1] */
1278 gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MIN, 0x00100000);
1279
1280 gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MAX,
1281 0x00100000 + adreno_gpu->info->gmem - 1);
1282 }
1283
1284 gpu_write(gpu, REG_A6XX_UCHE_FILTER_CNTL, 0x804);
1285 gpu_write(gpu, REG_A6XX_UCHE_CACHE_WAYS, 0x4);
1286
1287 if (adreno_is_a640_family(adreno_gpu) || adreno_is_a650_family(adreno_gpu)) {
1288 gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x02000140);
1289 gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c);
1290 } else if (adreno_is_a610(adreno_gpu)) {
1291 gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x00800060);
1292 gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x40201b16);
1293 } else {
1294 gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x010000c0);
1295 gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c);
1296 }
1297
1298 if (adreno_is_a660_family(adreno_gpu))
1299 gpu_write(gpu, REG_A6XX_CP_LPAC_PROG_FIFO_SIZE, 0x00000020);
1300
1301 /* Setting the mem pool size */
1302 if (adreno_is_a610(adreno_gpu)) {
1303 gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 48);
1304 gpu_write(gpu, REG_A6XX_CP_MEM_POOL_DBG_ADDR, 47);
1305 } else
1306 gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128);
1307
1308 /* Setting the primFifo thresholds default values,
1309 * and vccCacheSkipDis=1 bit (0x200) for A640 and newer
1310 */
1311 if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu) || adreno_is_a690(adreno_gpu))
1312 gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300200);
1313 else if (adreno_is_a640_family(adreno_gpu) || adreno_is_7c3(adreno_gpu))
1314 gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200200);
1315 else if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu))
1316 gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300200);
1317 else if (adreno_is_a619(adreno_gpu))
1318 gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00018000);
1319 else if (adreno_is_a610(adreno_gpu))
1320 gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00080000);
1321 else
1322 gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00180000);
1323
1324 /* Set the AHB default slave response to "ERROR" */
1325 gpu_write(gpu, REG_A6XX_CP_AHB_CNTL, 0x1);
1326
1327 /* Turn on performance counters */
1328 gpu_write(gpu, REG_A6XX_RBBM_PERFCTR_CNTL, 0x1);
1329
1330 /* Select CP0 to always count cycles */
1331 gpu_write(gpu, REG_A6XX_CP_PERFCTR_CP_SEL(0), PERF_CP_ALWAYS_COUNT);
1332
1333 a6xx_set_ubwc_config(gpu);
1334
1335 /* Enable fault detection */
1336 if (adreno_is_a619(adreno_gpu))
1337 gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x3fffff);
1338 else if (adreno_is_a610(adreno_gpu))
1339 gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x3ffff);
1340 else
1341 gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x1fffff);
1342
1343 gpu_write(gpu, REG_A6XX_UCHE_CLIENT_PF, 1);
1344
1345 /* Set weights for bicubic filtering */
1346 if (adreno_is_a650_family(adreno_gpu)) {
1347 gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_0, 0);
1348 gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_1,
1349 0x3fe05ff4);
1350 gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_2,
1351 0x3fa0ebee);
1352 gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_3,
1353 0x3f5193ed);
1354 gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_4,
1355 0x3f0243f0);
1356 }
1357
1358 /* Set up the CX GMU counter 0 to count busy ticks */
1359 gmu_write(gmu, REG_A6XX_GPU_GMU_AO_GPU_CX_BUSY_MASK, 0xff000000);
1360
1361 /* Enable the power counter */
1362 gmu_rmw(gmu, REG_A6XX_GMU_CX_GMU_POWER_COUNTER_SELECT_0, 0xff, BIT(5));
1363 gmu_write(gmu, REG_A6XX_GMU_CX_GMU_POWER_COUNTER_ENABLE, 1);
1364
1365 /* Protect registers from the CP */
1366 a6xx_set_cp_protect(gpu);
1367
1368 if (adreno_is_a660_family(adreno_gpu)) {
1369 gpu_write(gpu, REG_A6XX_CP_CHICKEN_DBG, 0x1);
1370 gpu_write(gpu, REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL, 0x0);
1371 }
1372
1373 /* Set dualQ + disable afull for A660 GPU */
1374 if (adreno_is_a660(adreno_gpu))
1375 gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG, 0x66906);
1376
1377 /* Enable expanded apriv for targets that support it */
1378 if (gpu->hw_apriv) {
1379 gpu_write(gpu, REG_A6XX_CP_APRIV_CNTL,
1380 (1 << 6) | (1 << 5) | (1 << 3) | (1 << 2) | (1 << 1));
1381 }
1382
1383 /* Enable interrupts */
1384 gpu_write(gpu, REG_A6XX_RBBM_INT_0_MASK, A6XX_INT_MASK);
1385
1386 ret = adreno_hw_init(gpu);
1387 if (ret)
1388 goto out;
1389
1390 gpu_write64(gpu, REG_A6XX_CP_SQE_INSTR_BASE, a6xx_gpu->sqe_iova);
1391
1392 /* Set the ringbuffer address */
1393 gpu_write64(gpu, REG_A6XX_CP_RB_BASE, gpu->rb[0]->iova);
1394
1395 /* Targets that support extended APRIV can use the RPTR shadow from
1396 * hardware but all the other ones need to disable the feature. Targets
1397 * that support the WHERE_AM_I opcode can use that instead
1398 */
1399 if (adreno_gpu->base.hw_apriv)
1400 gpu_write(gpu, REG_A6XX_CP_RB_CNTL, MSM_GPU_RB_CNTL_DEFAULT);
1401 else
1402 gpu_write(gpu, REG_A6XX_CP_RB_CNTL,
1403 MSM_GPU_RB_CNTL_DEFAULT | AXXX_CP_RB_CNTL_NO_UPDATE);
1404
1405 /* Configure the RPTR shadow if needed: */
1406 if (a6xx_gpu->shadow_bo) {
1407 gpu_write64(gpu, REG_A6XX_CP_RB_RPTR_ADDR,
1408 shadowptr(a6xx_gpu, gpu->rb[0]));
1409 }
1410
1411 /* Always come up on rb 0 */
1412 a6xx_gpu->cur_ring = gpu->rb[0];
1413
1414 gpu->cur_ctx_seqno = 0;
1415
1416 /* Enable the SQE_to start the CP engine */
1417 gpu_write(gpu, REG_A6XX_CP_SQE_CNTL, 1);
1418
1419 ret = a6xx_cp_init(gpu);
1420 if (ret)
1421 goto out;
1422
1423 /*
1424 * Try to load a zap shader into the secure world. If successful
1425 * we can use the CP to switch out of secure mode. If not then we
1426 * have no resource but to try to switch ourselves out manually. If we
1427 * guessed wrong then access to the RBBM_SECVID_TRUST_CNTL register will
1428 * be blocked and a permissions violation will soon follow.
1429 */
1430 ret = a6xx_zap_shader_init(gpu);
1431 if (!ret) {
1432 OUT_PKT7(gpu->rb[0], CP_SET_SECURE_MODE, 1);
1433 OUT_RING(gpu->rb[0], 0x00000000);
1434
1435 a6xx_flush(gpu, gpu->rb[0]);
1436 if (!a6xx_idle(gpu, gpu->rb[0]))
1437 return -EINVAL;
1438 } else if (ret == -ENODEV) {
1439 /*
1440 * This device does not use zap shader (but print a warning
1441 * just in case someone got their dt wrong.. hopefully they
1442 * have a debug UART to realize the error of their ways...
1443 * if you mess this up you are about to crash horribly)
1444 */
1445 dev_warn_once(gpu->dev->dev,
1446 "Zap shader not enabled - using SECVID_TRUST_CNTL instead\n");
1447 gpu_write(gpu, REG_A6XX_RBBM_SECVID_TRUST_CNTL, 0x0);
1448 ret = 0;
1449 } else {
1450 return ret;
1451 }
1452
1453 out:
1454 if (adreno_has_gmu_wrapper(adreno_gpu))
1455 return ret;
1456 /*
1457 * Tell the GMU that we are done touching the GPU and it can start power
1458 * management
1459 */
1460 a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET);
1461
1462 if (a6xx_gpu->gmu.legacy) {
1463 /* Take the GMU out of its special boot mode */
1464 a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_BOOT_SLUMBER);
1465 }
1466
1467 return ret;
1468 }
1469
a6xx_hw_init(struct msm_gpu * gpu)1470 static int a6xx_hw_init(struct msm_gpu *gpu)
1471 {
1472 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
1473 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
1474 int ret;
1475
1476 mutex_lock(&a6xx_gpu->gmu.lock);
1477 ret = hw_init(gpu);
1478 mutex_unlock(&a6xx_gpu->gmu.lock);
1479
1480 return ret;
1481 }
1482
a6xx_dump(struct msm_gpu * gpu)1483 static void a6xx_dump(struct msm_gpu *gpu)
1484 {
1485 DRM_DEV_INFO(&gpu->pdev->dev, "status: %08x\n",
1486 gpu_read(gpu, REG_A6XX_RBBM_STATUS));
1487 adreno_dump(gpu);
1488 }
1489
a6xx_recover(struct msm_gpu * gpu)1490 static void a6xx_recover(struct msm_gpu *gpu)
1491 {
1492 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
1493 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
1494 struct a6xx_gmu *gmu = &a6xx_gpu->gmu;
1495 int i, active_submits;
1496
1497 adreno_dump_info(gpu);
1498
1499 for (i = 0; i < 8; i++)
1500 DRM_DEV_INFO(&gpu->pdev->dev, "CP_SCRATCH_REG%d: %u\n", i,
1501 gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(i)));
1502
1503 if (hang_debug)
1504 a6xx_dump(gpu);
1505
1506 /*
1507 * To handle recovery specific sequences during the rpm suspend we are
1508 * about to trigger
1509 */
1510 a6xx_gpu->hung = true;
1511
1512 /* Halt SQE first */
1513 gpu_write(gpu, REG_A6XX_CP_SQE_CNTL, 3);
1514
1515 pm_runtime_dont_use_autosuspend(&gpu->pdev->dev);
1516
1517 /* active_submit won't change until we make a submission */
1518 mutex_lock(&gpu->active_lock);
1519 active_submits = gpu->active_submits;
1520
1521 /*
1522 * Temporarily clear active_submits count to silence a WARN() in the
1523 * runtime suspend cb
1524 */
1525 gpu->active_submits = 0;
1526
1527 if (adreno_has_gmu_wrapper(adreno_gpu)) {
1528 /* Drain the outstanding traffic on memory buses */
1529 a6xx_bus_clear_pending_transactions(adreno_gpu, true);
1530
1531 /* Reset the GPU to a clean state */
1532 a6xx_gpu_sw_reset(gpu, true);
1533 a6xx_gpu_sw_reset(gpu, false);
1534 }
1535
1536 reinit_completion(&gmu->pd_gate);
1537 dev_pm_genpd_add_notifier(gmu->cxpd, &gmu->pd_nb);
1538 dev_pm_genpd_synced_poweroff(gmu->cxpd);
1539
1540 /* Drop the rpm refcount from active submits */
1541 if (active_submits)
1542 pm_runtime_put(&gpu->pdev->dev);
1543
1544 /* And the final one from recover worker */
1545 pm_runtime_put_sync(&gpu->pdev->dev);
1546
1547 if (!wait_for_completion_timeout(&gmu->pd_gate, msecs_to_jiffies(1000)))
1548 DRM_DEV_ERROR(&gpu->pdev->dev, "cx gdsc didn't collapse\n");
1549
1550 dev_pm_genpd_remove_notifier(gmu->cxpd);
1551
1552 pm_runtime_use_autosuspend(&gpu->pdev->dev);
1553
1554 if (active_submits)
1555 pm_runtime_get(&gpu->pdev->dev);
1556
1557 pm_runtime_get_sync(&gpu->pdev->dev);
1558
1559 gpu->active_submits = active_submits;
1560 mutex_unlock(&gpu->active_lock);
1561
1562 msm_gpu_hw_init(gpu);
1563 a6xx_gpu->hung = false;
1564 }
1565
a6xx_uche_fault_block(struct msm_gpu * gpu,u32 mid)1566 static const char *a6xx_uche_fault_block(struct msm_gpu *gpu, u32 mid)
1567 {
1568 static const char *uche_clients[7] = {
1569 "VFD", "SP", "VSC", "VPC", "HLSQ", "PC", "LRZ",
1570 };
1571 u32 val;
1572
1573 if (mid < 1 || mid > 3)
1574 return "UNKNOWN";
1575
1576 /*
1577 * The source of the data depends on the mid ID read from FSYNR1.
1578 * and the client ID read from the UCHE block
1579 */
1580 val = gpu_read(gpu, REG_A6XX_UCHE_CLIENT_PF);
1581
1582 /* mid = 3 is most precise and refers to only one block per client */
1583 if (mid == 3)
1584 return uche_clients[val & 7];
1585
1586 /* For mid=2 the source is TP or VFD except when the client id is 0 */
1587 if (mid == 2)
1588 return ((val & 7) == 0) ? "TP" : "TP|VFD";
1589
1590 /* For mid=1 just return "UCHE" as a catchall for everything else */
1591 return "UCHE";
1592 }
1593
a6xx_fault_block(struct msm_gpu * gpu,u32 id)1594 static const char *a6xx_fault_block(struct msm_gpu *gpu, u32 id)
1595 {
1596 if (id == 0)
1597 return "CP";
1598 else if (id == 4)
1599 return "CCU";
1600 else if (id == 6)
1601 return "CDP Prefetch";
1602
1603 return a6xx_uche_fault_block(gpu, id);
1604 }
1605
a6xx_fault_handler(void * arg,unsigned long iova,int flags,void * data)1606 static int a6xx_fault_handler(void *arg, unsigned long iova, int flags, void *data)
1607 {
1608 struct msm_gpu *gpu = arg;
1609 struct adreno_smmu_fault_info *info = data;
1610 const char *block = "unknown";
1611
1612 u32 scratch[] = {
1613 gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(4)),
1614 gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(5)),
1615 gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(6)),
1616 gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(7)),
1617 };
1618
1619 if (info)
1620 block = a6xx_fault_block(gpu, info->fsynr1 & 0xff);
1621
1622 return adreno_fault_handler(gpu, iova, flags, info, block, scratch);
1623 }
1624
a6xx_cp_hw_err_irq(struct msm_gpu * gpu)1625 static void a6xx_cp_hw_err_irq(struct msm_gpu *gpu)
1626 {
1627 u32 status = gpu_read(gpu, REG_A6XX_CP_INTERRUPT_STATUS);
1628
1629 if (status & A6XX_CP_INT_CP_OPCODE_ERROR) {
1630 u32 val;
1631
1632 gpu_write(gpu, REG_A6XX_CP_SQE_STAT_ADDR, 1);
1633 val = gpu_read(gpu, REG_A6XX_CP_SQE_STAT_DATA);
1634 dev_err_ratelimited(&gpu->pdev->dev,
1635 "CP | opcode error | possible opcode=0x%8.8X\n",
1636 val);
1637 }
1638
1639 if (status & A6XX_CP_INT_CP_UCODE_ERROR)
1640 dev_err_ratelimited(&gpu->pdev->dev,
1641 "CP ucode error interrupt\n");
1642
1643 if (status & A6XX_CP_INT_CP_HW_FAULT_ERROR)
1644 dev_err_ratelimited(&gpu->pdev->dev, "CP | HW fault | status=0x%8.8X\n",
1645 gpu_read(gpu, REG_A6XX_CP_HW_FAULT));
1646
1647 if (status & A6XX_CP_INT_CP_REGISTER_PROTECTION_ERROR) {
1648 u32 val = gpu_read(gpu, REG_A6XX_CP_PROTECT_STATUS);
1649
1650 dev_err_ratelimited(&gpu->pdev->dev,
1651 "CP | protected mode error | %s | addr=0x%8.8X | status=0x%8.8X\n",
1652 val & (1 << 20) ? "READ" : "WRITE",
1653 (val & 0x3ffff), val);
1654 }
1655
1656 if (status & A6XX_CP_INT_CP_AHB_ERROR)
1657 dev_err_ratelimited(&gpu->pdev->dev, "CP AHB error interrupt\n");
1658
1659 if (status & A6XX_CP_INT_CP_VSD_PARITY_ERROR)
1660 dev_err_ratelimited(&gpu->pdev->dev, "CP VSD decoder parity error\n");
1661
1662 if (status & A6XX_CP_INT_CP_ILLEGAL_INSTR_ERROR)
1663 dev_err_ratelimited(&gpu->pdev->dev, "CP illegal instruction error\n");
1664
1665 }
1666
a6xx_fault_detect_irq(struct msm_gpu * gpu)1667 static void a6xx_fault_detect_irq(struct msm_gpu *gpu)
1668 {
1669 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
1670 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
1671 struct msm_ringbuffer *ring = gpu->funcs->active_ring(gpu);
1672
1673 /*
1674 * If stalled on SMMU fault, we could trip the GPU's hang detection,
1675 * but the fault handler will trigger the devcore dump, and we want
1676 * to otherwise resume normally rather than killing the submit, so
1677 * just bail.
1678 */
1679 if (gpu_read(gpu, REG_A6XX_RBBM_STATUS3) & A6XX_RBBM_STATUS3_SMMU_STALLED_ON_FAULT)
1680 return;
1681
1682 /*
1683 * Force the GPU to stay on until after we finish
1684 * collecting information
1685 */
1686 if (!adreno_has_gmu_wrapper(adreno_gpu))
1687 gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_GMU_PWR_COL_KEEPALIVE, 1);
1688
1689 DRM_DEV_ERROR(&gpu->pdev->dev,
1690 "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",
1691 ring ? ring->id : -1, ring ? ring->fctx->last_fence : 0,
1692 gpu_read(gpu, REG_A6XX_RBBM_STATUS),
1693 gpu_read(gpu, REG_A6XX_CP_RB_RPTR),
1694 gpu_read(gpu, REG_A6XX_CP_RB_WPTR),
1695 gpu_read64(gpu, REG_A6XX_CP_IB1_BASE),
1696 gpu_read(gpu, REG_A6XX_CP_IB1_REM_SIZE),
1697 gpu_read64(gpu, REG_A6XX_CP_IB2_BASE),
1698 gpu_read(gpu, REG_A6XX_CP_IB2_REM_SIZE));
1699
1700 /* Turn off the hangcheck timer to keep it from bothering us */
1701 del_timer(&gpu->hangcheck_timer);
1702
1703 kthread_queue_work(gpu->worker, &gpu->recover_work);
1704 }
1705
a6xx_irq(struct msm_gpu * gpu)1706 static irqreturn_t a6xx_irq(struct msm_gpu *gpu)
1707 {
1708 struct msm_drm_private *priv = gpu->dev->dev_private;
1709 u32 status = gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS);
1710
1711 gpu_write(gpu, REG_A6XX_RBBM_INT_CLEAR_CMD, status);
1712
1713 if (priv->disable_err_irq)
1714 status &= A6XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS;
1715
1716 if (status & A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT)
1717 a6xx_fault_detect_irq(gpu);
1718
1719 if (status & A6XX_RBBM_INT_0_MASK_CP_AHB_ERROR)
1720 dev_err_ratelimited(&gpu->pdev->dev, "CP | AHB bus error\n");
1721
1722 if (status & A6XX_RBBM_INT_0_MASK_CP_HW_ERROR)
1723 a6xx_cp_hw_err_irq(gpu);
1724
1725 if (status & A6XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNCFIFO_OVERFLOW)
1726 dev_err_ratelimited(&gpu->pdev->dev, "RBBM | ATB ASYNC overflow\n");
1727
1728 if (status & A6XX_RBBM_INT_0_MASK_RBBM_ATB_BUS_OVERFLOW)
1729 dev_err_ratelimited(&gpu->pdev->dev, "RBBM | ATB bus overflow\n");
1730
1731 if (status & A6XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS)
1732 dev_err_ratelimited(&gpu->pdev->dev, "UCHE | Out of bounds access\n");
1733
1734 if (status & A6XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS)
1735 msm_gpu_retire(gpu);
1736
1737 return IRQ_HANDLED;
1738 }
1739
a6xx_llc_deactivate(struct a6xx_gpu * a6xx_gpu)1740 static void a6xx_llc_deactivate(struct a6xx_gpu *a6xx_gpu)
1741 {
1742 llcc_slice_deactivate(a6xx_gpu->llc_slice);
1743 llcc_slice_deactivate(a6xx_gpu->htw_llc_slice);
1744 }
1745
a6xx_llc_activate(struct a6xx_gpu * a6xx_gpu)1746 static void a6xx_llc_activate(struct a6xx_gpu *a6xx_gpu)
1747 {
1748 struct adreno_gpu *adreno_gpu = &a6xx_gpu->base;
1749 struct msm_gpu *gpu = &adreno_gpu->base;
1750 u32 cntl1_regval = 0;
1751
1752 if (IS_ERR(a6xx_gpu->llc_mmio))
1753 return;
1754
1755 if (!llcc_slice_activate(a6xx_gpu->llc_slice)) {
1756 u32 gpu_scid = llcc_get_slice_id(a6xx_gpu->llc_slice);
1757
1758 gpu_scid &= 0x1f;
1759 cntl1_regval = (gpu_scid << 0) | (gpu_scid << 5) | (gpu_scid << 10) |
1760 (gpu_scid << 15) | (gpu_scid << 20);
1761
1762 /* On A660, the SCID programming for UCHE traffic is done in
1763 * A6XX_GBIF_SCACHE_CNTL0[14:10]
1764 */
1765 if (adreno_is_a660_family(adreno_gpu))
1766 gpu_rmw(gpu, REG_A6XX_GBIF_SCACHE_CNTL0, (0x1f << 10) |
1767 (1 << 8), (gpu_scid << 10) | (1 << 8));
1768 }
1769
1770 /*
1771 * For targets with a MMU500, activate the slice but don't program the
1772 * register. The XBL will take care of that.
1773 */
1774 if (!llcc_slice_activate(a6xx_gpu->htw_llc_slice)) {
1775 if (!a6xx_gpu->have_mmu500) {
1776 u32 gpuhtw_scid = llcc_get_slice_id(a6xx_gpu->htw_llc_slice);
1777
1778 gpuhtw_scid &= 0x1f;
1779 cntl1_regval |= FIELD_PREP(GENMASK(29, 25), gpuhtw_scid);
1780 }
1781 }
1782
1783 if (!cntl1_regval)
1784 return;
1785
1786 /*
1787 * Program the slice IDs for the various GPU blocks and GPU MMU
1788 * pagetables
1789 */
1790 if (!a6xx_gpu->have_mmu500) {
1791 a6xx_llc_write(a6xx_gpu,
1792 REG_A6XX_CX_MISC_SYSTEM_CACHE_CNTL_1, cntl1_regval);
1793
1794 /*
1795 * Program cacheability overrides to not allocate cache
1796 * lines on a write miss
1797 */
1798 a6xx_llc_rmw(a6xx_gpu,
1799 REG_A6XX_CX_MISC_SYSTEM_CACHE_CNTL_0, 0xF, 0x03);
1800 return;
1801 }
1802
1803 gpu_rmw(gpu, REG_A6XX_GBIF_SCACHE_CNTL1, GENMASK(24, 0), cntl1_regval);
1804 }
1805
a6xx_llc_slices_destroy(struct a6xx_gpu * a6xx_gpu)1806 static void a6xx_llc_slices_destroy(struct a6xx_gpu *a6xx_gpu)
1807 {
1808 /* No LLCC on non-RPMh (and by extension, non-GMU) SoCs */
1809 if (adreno_has_gmu_wrapper(&a6xx_gpu->base))
1810 return;
1811
1812 llcc_slice_putd(a6xx_gpu->llc_slice);
1813 llcc_slice_putd(a6xx_gpu->htw_llc_slice);
1814 }
1815
a6xx_llc_slices_init(struct platform_device * pdev,struct a6xx_gpu * a6xx_gpu)1816 static void a6xx_llc_slices_init(struct platform_device *pdev,
1817 struct a6xx_gpu *a6xx_gpu)
1818 {
1819 struct device_node *phandle;
1820
1821 /* No LLCC on non-RPMh (and by extension, non-GMU) SoCs */
1822 if (adreno_has_gmu_wrapper(&a6xx_gpu->base))
1823 return;
1824
1825 /*
1826 * There is a different programming path for targets with an mmu500
1827 * attached, so detect if that is the case
1828 */
1829 phandle = of_parse_phandle(pdev->dev.of_node, "iommus", 0);
1830 a6xx_gpu->have_mmu500 = (phandle &&
1831 of_device_is_compatible(phandle, "arm,mmu-500"));
1832 of_node_put(phandle);
1833
1834 if (a6xx_gpu->have_mmu500)
1835 a6xx_gpu->llc_mmio = NULL;
1836 else
1837 a6xx_gpu->llc_mmio = msm_ioremap(pdev, "cx_mem");
1838
1839 a6xx_gpu->llc_slice = llcc_slice_getd(LLCC_GPU);
1840 a6xx_gpu->htw_llc_slice = llcc_slice_getd(LLCC_GPUHTW);
1841
1842 if (IS_ERR_OR_NULL(a6xx_gpu->llc_slice) && IS_ERR_OR_NULL(a6xx_gpu->htw_llc_slice))
1843 a6xx_gpu->llc_mmio = ERR_PTR(-EINVAL);
1844 }
1845
1846 #define GBIF_CLIENT_HALT_MASK BIT(0)
1847 #define GBIF_ARB_HALT_MASK BIT(1)
1848 #define VBIF_XIN_HALT_CTRL0_MASK GENMASK(3, 0)
1849 #define VBIF_RESET_ACK_MASK 0xF0
1850 #define GPR0_GBIF_HALT_REQUEST 0x1E0
1851
a6xx_bus_clear_pending_transactions(struct adreno_gpu * adreno_gpu,bool gx_off)1852 void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu, bool gx_off)
1853 {
1854 struct msm_gpu *gpu = &adreno_gpu->base;
1855
1856 if (adreno_is_a619_holi(adreno_gpu)) {
1857 gpu_write(gpu, REG_A6XX_RBBM_GPR0_CNTL, GPR0_GBIF_HALT_REQUEST);
1858 spin_until((gpu_read(gpu, REG_A6XX_RBBM_VBIF_GX_RESET_STATUS) &
1859 (VBIF_RESET_ACK_MASK)) == VBIF_RESET_ACK_MASK);
1860 } else if (!a6xx_has_gbif(adreno_gpu)) {
1861 gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, VBIF_XIN_HALT_CTRL0_MASK);
1862 spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) &
1863 (VBIF_XIN_HALT_CTRL0_MASK)) == VBIF_XIN_HALT_CTRL0_MASK);
1864 gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0);
1865
1866 return;
1867 }
1868
1869 if (gx_off) {
1870 /* Halt the gx side of GBIF */
1871 gpu_write(gpu, REG_A6XX_RBBM_GBIF_HALT, 1);
1872 spin_until(gpu_read(gpu, REG_A6XX_RBBM_GBIF_HALT_ACK) & 1);
1873 }
1874
1875 /* Halt new client requests on GBIF */
1876 gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_CLIENT_HALT_MASK);
1877 spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) &
1878 (GBIF_CLIENT_HALT_MASK)) == GBIF_CLIENT_HALT_MASK);
1879
1880 /* Halt all AXI requests on GBIF */
1881 gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_ARB_HALT_MASK);
1882 spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) &
1883 (GBIF_ARB_HALT_MASK)) == GBIF_ARB_HALT_MASK);
1884
1885 /* The GBIF halt needs to be explicitly cleared */
1886 gpu_write(gpu, REG_A6XX_GBIF_HALT, 0x0);
1887 }
1888
a6xx_gpu_sw_reset(struct msm_gpu * gpu,bool assert)1889 void a6xx_gpu_sw_reset(struct msm_gpu *gpu, bool assert)
1890 {
1891 /* 11nm chips (e.g. ones with A610) have hw issues with the reset line! */
1892 if (adreno_is_a610(to_adreno_gpu(gpu)))
1893 return;
1894
1895 gpu_write(gpu, REG_A6XX_RBBM_SW_RESET_CMD, assert);
1896 /* Perform a bogus read and add a brief delay to ensure ordering. */
1897 gpu_read(gpu, REG_A6XX_RBBM_SW_RESET_CMD);
1898 udelay(1);
1899
1900 /* The reset line needs to be asserted for at least 100 us */
1901 if (assert)
1902 udelay(100);
1903 }
1904
a6xx_gmu_pm_resume(struct msm_gpu * gpu)1905 static int a6xx_gmu_pm_resume(struct msm_gpu *gpu)
1906 {
1907 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
1908 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
1909 int ret;
1910
1911 gpu->needs_hw_init = true;
1912
1913 trace_msm_gpu_resume(0);
1914
1915 mutex_lock(&a6xx_gpu->gmu.lock);
1916 ret = a6xx_gmu_resume(a6xx_gpu);
1917 mutex_unlock(&a6xx_gpu->gmu.lock);
1918 if (ret)
1919 return ret;
1920
1921 msm_devfreq_resume(gpu);
1922
1923 a6xx_llc_activate(a6xx_gpu);
1924
1925 return ret;
1926 }
1927
a6xx_pm_resume(struct msm_gpu * gpu)1928 static int a6xx_pm_resume(struct msm_gpu *gpu)
1929 {
1930 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
1931 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
1932 struct a6xx_gmu *gmu = &a6xx_gpu->gmu;
1933 unsigned long freq = gpu->fast_rate;
1934 struct dev_pm_opp *opp;
1935 int ret;
1936
1937 gpu->needs_hw_init = true;
1938
1939 trace_msm_gpu_resume(0);
1940
1941 mutex_lock(&a6xx_gpu->gmu.lock);
1942
1943 opp = dev_pm_opp_find_freq_ceil(&gpu->pdev->dev, &freq);
1944 if (IS_ERR(opp)) {
1945 ret = PTR_ERR(opp);
1946 goto err_set_opp;
1947 }
1948 dev_pm_opp_put(opp);
1949
1950 /* Set the core clock and bus bw, having VDD scaling in mind */
1951 dev_pm_opp_set_opp(&gpu->pdev->dev, opp);
1952
1953 pm_runtime_resume_and_get(gmu->dev);
1954 pm_runtime_resume_and_get(gmu->gxpd);
1955
1956 ret = clk_bulk_prepare_enable(gpu->nr_clocks, gpu->grp_clks);
1957 if (ret)
1958 goto err_bulk_clk;
1959
1960 if (adreno_is_a619_holi(adreno_gpu))
1961 a6xx_sptprac_enable(gmu);
1962
1963 /* If anything goes south, tear the GPU down piece by piece.. */
1964 if (ret) {
1965 err_bulk_clk:
1966 pm_runtime_put(gmu->gxpd);
1967 pm_runtime_put(gmu->dev);
1968 dev_pm_opp_set_opp(&gpu->pdev->dev, NULL);
1969 }
1970 err_set_opp:
1971 mutex_unlock(&a6xx_gpu->gmu.lock);
1972
1973 if (!ret)
1974 msm_devfreq_resume(gpu);
1975
1976 return ret;
1977 }
1978
a6xx_gmu_pm_suspend(struct msm_gpu * gpu)1979 static int a6xx_gmu_pm_suspend(struct msm_gpu *gpu)
1980 {
1981 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
1982 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
1983 int i, ret;
1984
1985 trace_msm_gpu_suspend(0);
1986
1987 a6xx_llc_deactivate(a6xx_gpu);
1988
1989 msm_devfreq_suspend(gpu);
1990
1991 mutex_lock(&a6xx_gpu->gmu.lock);
1992 ret = a6xx_gmu_stop(a6xx_gpu);
1993 mutex_unlock(&a6xx_gpu->gmu.lock);
1994 if (ret)
1995 return ret;
1996
1997 if (a6xx_gpu->shadow_bo)
1998 for (i = 0; i < gpu->nr_rings; i++)
1999 a6xx_gpu->shadow[i] = 0;
2000
2001 gpu->suspend_count++;
2002
2003 return 0;
2004 }
2005
a6xx_pm_suspend(struct msm_gpu * gpu)2006 static int a6xx_pm_suspend(struct msm_gpu *gpu)
2007 {
2008 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
2009 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
2010 struct a6xx_gmu *gmu = &a6xx_gpu->gmu;
2011 int i;
2012
2013 trace_msm_gpu_suspend(0);
2014
2015 msm_devfreq_suspend(gpu);
2016
2017 mutex_lock(&a6xx_gpu->gmu.lock);
2018
2019 /* Drain the outstanding traffic on memory buses */
2020 a6xx_bus_clear_pending_transactions(adreno_gpu, true);
2021
2022 if (adreno_is_a619_holi(adreno_gpu))
2023 a6xx_sptprac_disable(gmu);
2024
2025 clk_bulk_disable_unprepare(gpu->nr_clocks, gpu->grp_clks);
2026
2027 pm_runtime_put_sync(gmu->gxpd);
2028 dev_pm_opp_set_opp(&gpu->pdev->dev, NULL);
2029 pm_runtime_put_sync(gmu->dev);
2030
2031 mutex_unlock(&a6xx_gpu->gmu.lock);
2032
2033 if (a6xx_gpu->shadow_bo)
2034 for (i = 0; i < gpu->nr_rings; i++)
2035 a6xx_gpu->shadow[i] = 0;
2036
2037 gpu->suspend_count++;
2038
2039 return 0;
2040 }
2041
a6xx_gmu_get_timestamp(struct msm_gpu * gpu,uint64_t * value)2042 static int a6xx_gmu_get_timestamp(struct msm_gpu *gpu, uint64_t *value)
2043 {
2044 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
2045 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
2046
2047 mutex_lock(&a6xx_gpu->gmu.lock);
2048
2049 /* Force the GPU power on so we can read this register */
2050 a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_PERFCOUNTER_SET);
2051
2052 *value = gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER);
2053
2054 a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_PERFCOUNTER_SET);
2055
2056 mutex_unlock(&a6xx_gpu->gmu.lock);
2057
2058 return 0;
2059 }
2060
a6xx_get_timestamp(struct msm_gpu * gpu,uint64_t * value)2061 static int a6xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value)
2062 {
2063 *value = gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER);
2064 return 0;
2065 }
2066
a6xx_active_ring(struct msm_gpu * gpu)2067 static struct msm_ringbuffer *a6xx_active_ring(struct msm_gpu *gpu)
2068 {
2069 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
2070 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
2071
2072 return a6xx_gpu->cur_ring;
2073 }
2074
a6xx_destroy(struct msm_gpu * gpu)2075 static void a6xx_destroy(struct msm_gpu *gpu)
2076 {
2077 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
2078 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
2079
2080 if (a6xx_gpu->sqe_bo) {
2081 msm_gem_unpin_iova(a6xx_gpu->sqe_bo, gpu->aspace);
2082 drm_gem_object_put(a6xx_gpu->sqe_bo);
2083 }
2084
2085 if (a6xx_gpu->shadow_bo) {
2086 msm_gem_unpin_iova(a6xx_gpu->shadow_bo, gpu->aspace);
2087 drm_gem_object_put(a6xx_gpu->shadow_bo);
2088 }
2089
2090 a6xx_llc_slices_destroy(a6xx_gpu);
2091
2092 a6xx_gmu_remove(a6xx_gpu);
2093
2094 adreno_gpu_cleanup(adreno_gpu);
2095
2096 kfree(a6xx_gpu);
2097 }
2098
a6xx_gpu_busy(struct msm_gpu * gpu,unsigned long * out_sample_rate)2099 static u64 a6xx_gpu_busy(struct msm_gpu *gpu, unsigned long *out_sample_rate)
2100 {
2101 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
2102 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
2103 u64 busy_cycles;
2104
2105 /* 19.2MHz */
2106 *out_sample_rate = 19200000;
2107
2108 busy_cycles = gmu_read64(&a6xx_gpu->gmu,
2109 REG_A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_0_L,
2110 REG_A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_0_H);
2111
2112 return busy_cycles;
2113 }
2114
a6xx_gpu_set_freq(struct msm_gpu * gpu,struct dev_pm_opp * opp,bool suspended)2115 static void a6xx_gpu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp,
2116 bool suspended)
2117 {
2118 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
2119 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
2120
2121 mutex_lock(&a6xx_gpu->gmu.lock);
2122 a6xx_gmu_set_freq(gpu, opp, suspended);
2123 mutex_unlock(&a6xx_gpu->gmu.lock);
2124 }
2125
2126 static struct msm_gem_address_space *
a6xx_create_address_space(struct msm_gpu * gpu,struct platform_device * pdev)2127 a6xx_create_address_space(struct msm_gpu *gpu, struct platform_device *pdev)
2128 {
2129 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
2130 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
2131 unsigned long quirks = 0;
2132
2133 /*
2134 * This allows GPU to set the bus attributes required to use system
2135 * cache on behalf of the iommu page table walker.
2136 */
2137 if (!IS_ERR_OR_NULL(a6xx_gpu->htw_llc_slice) &&
2138 !device_iommu_capable(&pdev->dev, IOMMU_CAP_CACHE_COHERENCY))
2139 quirks |= IO_PGTABLE_QUIRK_ARM_OUTER_WBWA;
2140
2141 return adreno_iommu_create_address_space(gpu, pdev, quirks);
2142 }
2143
2144 static struct msm_gem_address_space *
a6xx_create_private_address_space(struct msm_gpu * gpu)2145 a6xx_create_private_address_space(struct msm_gpu *gpu)
2146 {
2147 struct msm_mmu *mmu;
2148
2149 mmu = msm_iommu_pagetable_create(gpu->aspace->mmu);
2150
2151 if (IS_ERR(mmu))
2152 return ERR_CAST(mmu);
2153
2154 return msm_gem_address_space_create(mmu,
2155 "gpu", 0x100000000ULL,
2156 adreno_private_address_space_size(gpu));
2157 }
2158
a6xx_get_rptr(struct msm_gpu * gpu,struct msm_ringbuffer * ring)2159 static uint32_t a6xx_get_rptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
2160 {
2161 struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
2162 struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
2163
2164 if (adreno_gpu->base.hw_apriv || a6xx_gpu->has_whereami)
2165 return a6xx_gpu->shadow[ring->id];
2166
2167 return ring->memptrs->rptr = gpu_read(gpu, REG_A6XX_CP_RB_RPTR);
2168 }
2169
a6xx_progress(struct msm_gpu * gpu,struct msm_ringbuffer * ring)2170 static bool a6xx_progress(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
2171 {
2172 struct msm_cp_state cp_state = {
2173 .ib1_base = gpu_read64(gpu, REG_A6XX_CP_IB1_BASE),
2174 .ib2_base = gpu_read64(gpu, REG_A6XX_CP_IB2_BASE),
2175 .ib1_rem = gpu_read(gpu, REG_A6XX_CP_IB1_REM_SIZE),
2176 .ib2_rem = gpu_read(gpu, REG_A6XX_CP_IB2_REM_SIZE),
2177 };
2178 bool progress;
2179
2180 /*
2181 * Adjust the remaining data to account for what has already been
2182 * fetched from memory, but not yet consumed by the SQE.
2183 *
2184 * This is not *technically* correct, the amount buffered could
2185 * exceed the IB size due to hw prefetching ahead, but:
2186 *
2187 * (1) We aren't trying to find the exact position, just whether
2188 * progress has been made
2189 * (2) The CP_REG_TO_MEM at the end of a submit should be enough
2190 * to prevent prefetching into an unrelated submit. (And
2191 * either way, at some point the ROQ will be full.)
2192 */
2193 cp_state.ib1_rem += gpu_read(gpu, REG_A6XX_CP_ROQ_AVAIL_IB1) >> 16;
2194 cp_state.ib2_rem += gpu_read(gpu, REG_A6XX_CP_ROQ_AVAIL_IB2) >> 16;
2195
2196 progress = !!memcmp(&cp_state, &ring->last_cp_state, sizeof(cp_state));
2197
2198 ring->last_cp_state = cp_state;
2199
2200 return progress;
2201 }
2202
fuse_to_supp_hw(const struct adreno_info * info,u32 fuse)2203 static u32 fuse_to_supp_hw(const struct adreno_info *info, u32 fuse)
2204 {
2205 if (!info->speedbins)
2206 return UINT_MAX;
2207
2208 for (int i = 0; info->speedbins[i].fuse != SHRT_MAX; i++)
2209 if (info->speedbins[i].fuse == fuse)
2210 return BIT(info->speedbins[i].speedbin);
2211
2212 return UINT_MAX;
2213 }
2214
a6xx_set_supported_hw(struct device * dev,const struct adreno_info * info)2215 static int a6xx_set_supported_hw(struct device *dev, const struct adreno_info *info)
2216 {
2217 u32 supp_hw;
2218 u32 speedbin;
2219 int ret;
2220
2221 ret = adreno_read_speedbin(dev, &speedbin);
2222 /*
2223 * -ENOENT means that the platform doesn't support speedbin which is
2224 * fine
2225 */
2226 if (ret == -ENOENT) {
2227 return 0;
2228 } else if (ret) {
2229 dev_err_probe(dev, ret,
2230 "failed to read speed-bin. Some OPPs may not be supported by hardware\n");
2231 return ret;
2232 }
2233
2234 supp_hw = fuse_to_supp_hw(info, speedbin);
2235
2236 if (supp_hw == UINT_MAX) {
2237 DRM_DEV_ERROR(dev,
2238 "missing support for speed-bin: %u. Some OPPs may not be supported by hardware\n",
2239 speedbin);
2240 supp_hw = BIT(0); /* Default */
2241 }
2242
2243 ret = devm_pm_opp_set_supported_hw(dev, &supp_hw, 1);
2244 if (ret)
2245 return ret;
2246
2247 return 0;
2248 }
2249
2250 static const struct adreno_gpu_funcs funcs = {
2251 .base = {
2252 .get_param = adreno_get_param,
2253 .set_param = adreno_set_param,
2254 .hw_init = a6xx_hw_init,
2255 .ucode_load = a6xx_ucode_load,
2256 .pm_suspend = a6xx_gmu_pm_suspend,
2257 .pm_resume = a6xx_gmu_pm_resume,
2258 .recover = a6xx_recover,
2259 .submit = a6xx_submit,
2260 .active_ring = a6xx_active_ring,
2261 .irq = a6xx_irq,
2262 .destroy = a6xx_destroy,
2263 #if defined(CONFIG_DRM_MSM_GPU_STATE)
2264 .show = a6xx_show,
2265 #endif
2266 .gpu_busy = a6xx_gpu_busy,
2267 .gpu_get_freq = a6xx_gmu_get_freq,
2268 .gpu_set_freq = a6xx_gpu_set_freq,
2269 #if defined(CONFIG_DRM_MSM_GPU_STATE)
2270 .gpu_state_get = a6xx_gpu_state_get,
2271 .gpu_state_put = a6xx_gpu_state_put,
2272 #endif
2273 .create_address_space = a6xx_create_address_space,
2274 .create_private_address_space = a6xx_create_private_address_space,
2275 .get_rptr = a6xx_get_rptr,
2276 .progress = a6xx_progress,
2277 },
2278 .get_timestamp = a6xx_gmu_get_timestamp,
2279 };
2280
2281 static const struct adreno_gpu_funcs funcs_gmuwrapper = {
2282 .base = {
2283 .get_param = adreno_get_param,
2284 .set_param = adreno_set_param,
2285 .hw_init = a6xx_hw_init,
2286 .ucode_load = a6xx_ucode_load,
2287 .pm_suspend = a6xx_pm_suspend,
2288 .pm_resume = a6xx_pm_resume,
2289 .recover = a6xx_recover,
2290 .submit = a6xx_submit,
2291 .active_ring = a6xx_active_ring,
2292 .irq = a6xx_irq,
2293 .destroy = a6xx_destroy,
2294 #if defined(CONFIG_DRM_MSM_GPU_STATE)
2295 .show = a6xx_show,
2296 #endif
2297 .gpu_busy = a6xx_gpu_busy,
2298 #if defined(CONFIG_DRM_MSM_GPU_STATE)
2299 .gpu_state_get = a6xx_gpu_state_get,
2300 .gpu_state_put = a6xx_gpu_state_put,
2301 #endif
2302 .create_address_space = a6xx_create_address_space,
2303 .create_private_address_space = a6xx_create_private_address_space,
2304 .get_rptr = a6xx_get_rptr,
2305 .progress = a6xx_progress,
2306 },
2307 .get_timestamp = a6xx_get_timestamp,
2308 };
2309
a6xx_gpu_init(struct drm_device * dev)2310 struct msm_gpu *a6xx_gpu_init(struct drm_device *dev)
2311 {
2312 struct msm_drm_private *priv = dev->dev_private;
2313 struct platform_device *pdev = priv->gpu_pdev;
2314 struct adreno_platform_config *config = pdev->dev.platform_data;
2315 struct device_node *node;
2316 struct a6xx_gpu *a6xx_gpu;
2317 struct adreno_gpu *adreno_gpu;
2318 struct msm_gpu *gpu;
2319 int ret;
2320
2321 a6xx_gpu = kzalloc(sizeof(*a6xx_gpu), GFP_KERNEL);
2322 if (!a6xx_gpu)
2323 return ERR_PTR(-ENOMEM);
2324
2325 adreno_gpu = &a6xx_gpu->base;
2326 gpu = &adreno_gpu->base;
2327
2328 mutex_init(&a6xx_gpu->gmu.lock);
2329
2330 adreno_gpu->registers = NULL;
2331
2332 /* Check if there is a GMU phandle and set it up */
2333 node = of_parse_phandle(pdev->dev.of_node, "qcom,gmu", 0);
2334 /* FIXME: How do we gracefully handle this? */
2335 BUG_ON(!node);
2336
2337 adreno_gpu->gmu_is_wrapper = of_device_is_compatible(node, "qcom,adreno-gmu-wrapper");
2338
2339 adreno_gpu->base.hw_apriv =
2340 !!(config->info->quirks & ADRENO_QUIRK_HAS_HW_APRIV);
2341
2342 a6xx_llc_slices_init(pdev, a6xx_gpu);
2343
2344 ret = a6xx_set_supported_hw(&pdev->dev, config->info);
2345 if (ret) {
2346 a6xx_destroy(&(a6xx_gpu->base.base));
2347 return ERR_PTR(ret);
2348 }
2349
2350 if (adreno_has_gmu_wrapper(adreno_gpu))
2351 ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_gmuwrapper, 1);
2352 else
2353 ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1);
2354 if (ret) {
2355 a6xx_destroy(&(a6xx_gpu->base.base));
2356 return ERR_PTR(ret);
2357 }
2358
2359 /*
2360 * For now only clamp to idle freq for devices where this is known not
2361 * to cause power supply issues:
2362 */
2363 if (adreno_is_a618(adreno_gpu) || adreno_is_7c3(adreno_gpu))
2364 priv->gpu_clamp_to_idle = true;
2365
2366 if (adreno_has_gmu_wrapper(adreno_gpu))
2367 ret = a6xx_gmu_wrapper_init(a6xx_gpu, node);
2368 else
2369 ret = a6xx_gmu_init(a6xx_gpu, node);
2370 of_node_put(node);
2371 if (ret) {
2372 a6xx_destroy(&(a6xx_gpu->base.base));
2373 return ERR_PTR(ret);
2374 }
2375
2376 if (gpu->aspace)
2377 msm_mmu_set_fault_handler(gpu->aspace->mmu, gpu,
2378 a6xx_fault_handler);
2379
2380 return gpu;
2381 }
2382