// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2017-2019 The Linux Foundation. All rights reserved. */ #include "msm_gem.h" #include "msm_mmu.h" #include "msm_gpu_trace.h" #include "a6xx_gpu.h" #include "a6xx_gmu.xml.h" #include #include #include #include #include #define GPU_PAS_ID 13 static inline bool _a6xx_check_idle(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); /* Check that the GMU is idle */ if (!adreno_has_gmu_wrapper(adreno_gpu) && !a6xx_gmu_isidle(&a6xx_gpu->gmu)) return false; /* Check tha the CX master is idle */ if (gpu_read(gpu, REG_A6XX_RBBM_STATUS) & ~A6XX_RBBM_STATUS_CP_AHB_BUSY_CX_MASTER) return false; return !(gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS) & A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT); } static bool a6xx_idle(struct msm_gpu *gpu, struct msm_ringbuffer *ring) { /* wait for CP to drain ringbuffer: */ if (!adreno_idle(gpu, ring)) return false; if (spin_until(_a6xx_check_idle(gpu))) { DRM_ERROR("%s: %ps: timeout waiting for GPU to idle: status %8.8X irq %8.8X rptr/wptr %d/%d\n", gpu->name, __builtin_return_address(0), gpu_read(gpu, REG_A6XX_RBBM_STATUS), gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS), gpu_read(gpu, REG_A6XX_CP_RB_RPTR), gpu_read(gpu, REG_A6XX_CP_RB_WPTR)); return false; } return true; } static void update_shadow_rptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); /* Expanded APRIV doesn't need to issue the WHERE_AM_I opcode */ if (a6xx_gpu->has_whereami && !adreno_gpu->base.hw_apriv) { OUT_PKT7(ring, CP_WHERE_AM_I, 2); OUT_RING(ring, lower_32_bits(shadowptr(a6xx_gpu, ring))); OUT_RING(ring, upper_32_bits(shadowptr(a6xx_gpu, ring))); } } static void a6xx_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); uint32_t wptr; unsigned long flags; update_shadow_rptr(gpu, ring); spin_lock_irqsave(&ring->preempt_lock, flags); /* Copy the shadow to the actual register */ ring->cur = ring->next; /* Make sure to wrap wptr if we need to */ wptr = get_wptr(ring); /* Update HW if this is the current ring and we are not in preempt*/ if (!a6xx_in_preempt(a6xx_gpu)) { if (a6xx_gpu->cur_ring == ring) gpu_write(gpu, REG_A6XX_CP_RB_WPTR, wptr); else ring->restore_wptr = true; } else { ring->restore_wptr = true; } spin_unlock_irqrestore(&ring->preempt_lock, flags); } static void get_stats_counter(struct msm_ringbuffer *ring, u32 counter, u64 iova) { OUT_PKT7(ring, CP_REG_TO_MEM, 3); OUT_RING(ring, CP_REG_TO_MEM_0_REG(counter) | CP_REG_TO_MEM_0_CNT(2) | CP_REG_TO_MEM_0_64B); OUT_RING(ring, lower_32_bits(iova)); OUT_RING(ring, upper_32_bits(iova)); } static void a6xx_set_pagetable(struct a6xx_gpu *a6xx_gpu, struct msm_ringbuffer *ring, struct msm_gem_submit *submit) { bool sysprof = refcount_read(&a6xx_gpu->base.base.sysprof_active) > 1; struct msm_file_private *ctx = submit->queue->ctx; struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; phys_addr_t ttbr; u32 asid; u64 memptr = rbmemptr(ring, ttbr0); if (ctx->seqno == ring->cur_ctx_seqno) return; if (msm_iommu_pagetable_params(ctx->aspace->mmu, &ttbr, &asid)) return; if (adreno_gpu->info->family >= ADRENO_7XX_GEN1) { /* Wait for previous submit to complete before continuing: */ OUT_PKT7(ring, CP_WAIT_TIMESTAMP, 4); OUT_RING(ring, 0); OUT_RING(ring, lower_32_bits(rbmemptr(ring, fence))); OUT_RING(ring, upper_32_bits(rbmemptr(ring, fence))); OUT_RING(ring, submit->seqno - 1); } if (!sysprof) { if (!adreno_is_a7xx(adreno_gpu)) { /* Turn off protected mode to write to special registers */ OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1); OUT_RING(ring, 0); } OUT_PKT4(ring, REG_A6XX_RBBM_PERFCTR_SRAM_INIT_CMD, 1); OUT_RING(ring, 1); } /* Execute the table update */ OUT_PKT7(ring, CP_SMMU_TABLE_UPDATE, 4); OUT_RING(ring, CP_SMMU_TABLE_UPDATE_0_TTBR0_LO(lower_32_bits(ttbr))); OUT_RING(ring, CP_SMMU_TABLE_UPDATE_1_TTBR0_HI(upper_32_bits(ttbr)) | CP_SMMU_TABLE_UPDATE_1_ASID(asid)); OUT_RING(ring, CP_SMMU_TABLE_UPDATE_2_CONTEXTIDR(0)); OUT_RING(ring, CP_SMMU_TABLE_UPDATE_3_CONTEXTBANK(0)); /* * Write the new TTBR0 to the memstore. This is good for debugging. * Needed for preemption */ OUT_PKT7(ring, CP_MEM_WRITE, 5); OUT_RING(ring, CP_MEM_WRITE_0_ADDR_LO(lower_32_bits(memptr))); OUT_RING(ring, CP_MEM_WRITE_1_ADDR_HI(upper_32_bits(memptr))); OUT_RING(ring, lower_32_bits(ttbr)); OUT_RING(ring, upper_32_bits(ttbr)); OUT_RING(ring, ctx->seqno); /* * Sync both threads after switching pagetables and enable BR only * to make sure BV doesn't race ahead while BR is still switching * pagetables. */ if (adreno_is_a7xx(&a6xx_gpu->base)) { OUT_PKT7(ring, CP_THREAD_CONTROL, 1); OUT_RING(ring, CP_THREAD_CONTROL_0_SYNC_THREADS | CP_SET_THREAD_BR); } /* * And finally, trigger a uche flush to be sure there isn't anything * lingering in that part of the GPU */ OUT_PKT7(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, CACHE_INVALIDATE); if (!sysprof) { /* * Wait for SRAM clear after the pgtable update, so the * two can happen in parallel: */ OUT_PKT7(ring, CP_WAIT_REG_MEM, 6); OUT_RING(ring, CP_WAIT_REG_MEM_0_FUNCTION(WRITE_EQ)); OUT_RING(ring, CP_WAIT_REG_MEM_1_POLL_ADDR_LO( REG_A6XX_RBBM_PERFCTR_SRAM_INIT_STATUS)); OUT_RING(ring, CP_WAIT_REG_MEM_2_POLL_ADDR_HI(0)); OUT_RING(ring, CP_WAIT_REG_MEM_3_REF(0x1)); OUT_RING(ring, CP_WAIT_REG_MEM_4_MASK(0x1)); OUT_RING(ring, CP_WAIT_REG_MEM_5_DELAY_LOOP_CYCLES(0)); if (!adreno_is_a7xx(adreno_gpu)) { /* Re-enable protected mode: */ OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1); OUT_RING(ring, 1); } } } static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { unsigned int index = submit->seqno % MSM_GPU_SUBMIT_STATS_COUNT; struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = submit->ring; unsigned int i, ibs = 0; a6xx_set_pagetable(a6xx_gpu, ring, submit); get_stats_counter(ring, REG_A6XX_RBBM_PERFCTR_CP(0), rbmemptr_stats(ring, index, cpcycles_start)); /* * For PM4 the GMU register offsets are calculated from the base of the * GPU registers so we need to add 0x1a800 to the register value on A630 * to get the right value from PM4. */ get_stats_counter(ring, REG_A6XX_CP_ALWAYS_ON_COUNTER, rbmemptr_stats(ring, index, alwayson_start)); /* Invalidate CCU depth and color */ OUT_PKT7(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, CP_EVENT_WRITE_0_EVENT(PC_CCU_INVALIDATE_DEPTH)); OUT_PKT7(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, CP_EVENT_WRITE_0_EVENT(PC_CCU_INVALIDATE_COLOR)); /* Submit the commands */ for (i = 0; i < submit->nr_cmds; i++) { switch (submit->cmd[i].type) { case MSM_SUBMIT_CMD_IB_TARGET_BUF: break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: if (ring->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3); OUT_RING(ring, lower_32_bits(submit->cmd[i].iova)); OUT_RING(ring, upper_32_bits(submit->cmd[i].iova)); OUT_RING(ring, submit->cmd[i].size); ibs++; break; } /* * Periodically update shadow-wptr if needed, so that we * can see partial progress of submits with large # of * cmds.. otherwise we could needlessly stall waiting for * ringbuffer state, simply due to looking at a shadow * rptr value that has not been updated */ if ((ibs % 32) == 0) update_shadow_rptr(gpu, ring); } get_stats_counter(ring, REG_A6XX_RBBM_PERFCTR_CP(0), rbmemptr_stats(ring, index, cpcycles_end)); get_stats_counter(ring, REG_A6XX_CP_ALWAYS_ON_COUNTER, rbmemptr_stats(ring, index, alwayson_end)); /* Write the fence to the scratch register */ OUT_PKT4(ring, REG_A6XX_CP_SCRATCH_REG(2), 1); OUT_RING(ring, submit->seqno); /* * Execute a CACHE_FLUSH_TS event. This will ensure that the * timestamp is written to the memory and then triggers the interrupt */ OUT_PKT7(ring, CP_EVENT_WRITE, 4); OUT_RING(ring, CP_EVENT_WRITE_0_EVENT(CACHE_FLUSH_TS) | CP_EVENT_WRITE_0_IRQ); OUT_RING(ring, lower_32_bits(rbmemptr(ring, fence))); OUT_RING(ring, upper_32_bits(rbmemptr(ring, fence))); OUT_RING(ring, submit->seqno); trace_msm_gpu_submit_flush(submit, gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER)); a6xx_flush(gpu, ring); } static void a6xx_emit_set_pseudo_reg(struct msm_ringbuffer *ring, struct a6xx_gpu *a6xx_gpu, struct msm_gpu_submitqueue *queue) { u64 preempt_postamble; OUT_PKT7(ring, CP_SET_PSEUDO_REG, 12); OUT_RING(ring, SMMU_INFO); /* don't save SMMU, we write the record from the kernel instead */ OUT_RING(ring, 0); OUT_RING(ring, 0); /* privileged and non secure buffer save */ OUT_RING(ring, NON_SECURE_SAVE_ADDR); OUT_RING(ring, lower_32_bits( a6xx_gpu->preempt_iova[ring->id])); OUT_RING(ring, upper_32_bits( a6xx_gpu->preempt_iova[ring->id])); /* user context buffer save, seems to be unnused by fw */ OUT_RING(ring, NON_PRIV_SAVE_ADDR); OUT_RING(ring, 0); OUT_RING(ring, 0); OUT_RING(ring, COUNTER); /* seems OK to set to 0 to disable it */ OUT_RING(ring, 0); OUT_RING(ring, 0); /* Emit postamble to clear perfcounters */ preempt_postamble = a6xx_gpu->preempt_postamble_iova; OUT_PKT7(ring, CP_SET_AMBLE, 3); OUT_RING(ring, lower_32_bits(preempt_postamble)); OUT_RING(ring, upper_32_bits(preempt_postamble)); OUT_RING(ring, CP_SET_AMBLE_2_DWORDS( a6xx_gpu->preempt_postamble_len) | CP_SET_AMBLE_2_TYPE(KMD_AMBLE_TYPE)); } static void a7xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) { unsigned int index = submit->seqno % MSM_GPU_SUBMIT_STATS_COUNT; struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = submit->ring; unsigned int i, ibs = 0; /* * Toggle concurrent binning for pagetable switch and set the thread to * BR since only it can execute the pagetable switch packets. */ OUT_PKT7(ring, CP_THREAD_CONTROL, 1); OUT_RING(ring, CP_THREAD_CONTROL_0_SYNC_THREADS | CP_SET_THREAD_BR); a6xx_set_pagetable(a6xx_gpu, ring, submit); /* * If preemption is enabled, then set the pseudo register for the save * sequence */ if (gpu->nr_rings > 1) a6xx_emit_set_pseudo_reg(ring, a6xx_gpu, submit->queue); get_stats_counter(ring, REG_A7XX_RBBM_PERFCTR_CP(0), rbmemptr_stats(ring, index, cpcycles_start)); get_stats_counter(ring, REG_A6XX_CP_ALWAYS_ON_COUNTER, rbmemptr_stats(ring, index, alwayson_start)); OUT_PKT7(ring, CP_THREAD_CONTROL, 1); OUT_RING(ring, CP_SET_THREAD_BOTH); OUT_PKT7(ring, CP_SET_MARKER, 1); OUT_RING(ring, 0x101); /* IFPC disable */ if (submit->queue->flags & MSM_SUBMITQUEUE_ALLOW_PREEMPT) { OUT_PKT7(ring, CP_SET_MARKER, 1); OUT_RING(ring, 0x00d); /* IB1LIST start */ } /* Submit the commands */ for (i = 0; i < submit->nr_cmds; i++) { switch (submit->cmd[i].type) { case MSM_SUBMIT_CMD_IB_TARGET_BUF: break; case MSM_SUBMIT_CMD_CTX_RESTORE_BUF: if (ring->cur_ctx_seqno == submit->queue->ctx->seqno) break; fallthrough; case MSM_SUBMIT_CMD_BUF: OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3); OUT_RING(ring, lower_32_bits(submit->cmd[i].iova)); OUT_RING(ring, upper_32_bits(submit->cmd[i].iova)); OUT_RING(ring, submit->cmd[i].size); ibs++; break; } /* * Periodically update shadow-wptr if needed, so that we * can see partial progress of submits with large # of * cmds.. otherwise we could needlessly stall waiting for * ringbuffer state, simply due to looking at a shadow * rptr value that has not been updated */ if ((ibs % 32) == 0) update_shadow_rptr(gpu, ring); } if (submit->queue->flags & MSM_SUBMITQUEUE_ALLOW_PREEMPT) { OUT_PKT7(ring, CP_SET_MARKER, 1); OUT_RING(ring, 0x00e); /* IB1LIST end */ } get_stats_counter(ring, REG_A7XX_RBBM_PERFCTR_CP(0), rbmemptr_stats(ring, index, cpcycles_end)); get_stats_counter(ring, REG_A6XX_CP_ALWAYS_ON_COUNTER, rbmemptr_stats(ring, index, alwayson_end)); /* Write the fence to the scratch register */ OUT_PKT4(ring, REG_A6XX_CP_SCRATCH_REG(2), 1); OUT_RING(ring, submit->seqno); OUT_PKT7(ring, CP_THREAD_CONTROL, 1); OUT_RING(ring, CP_SET_THREAD_BR); OUT_PKT7(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, CCU_INVALIDATE_DEPTH); OUT_PKT7(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, CCU_INVALIDATE_COLOR); OUT_PKT7(ring, CP_THREAD_CONTROL, 1); OUT_RING(ring, CP_SET_THREAD_BV); /* * Make sure the timestamp is committed once BV pipe is * completely done with this submission. */ OUT_PKT7(ring, CP_EVENT_WRITE, 4); OUT_RING(ring, CACHE_CLEAN | BIT(27)); OUT_RING(ring, lower_32_bits(rbmemptr(ring, bv_fence))); OUT_RING(ring, upper_32_bits(rbmemptr(ring, bv_fence))); OUT_RING(ring, submit->seqno); OUT_PKT7(ring, CP_THREAD_CONTROL, 1); OUT_RING(ring, CP_SET_THREAD_BR); /* * This makes sure that BR doesn't race ahead and commit * timestamp to memstore while BV is still processing * this submission. */ OUT_PKT7(ring, CP_WAIT_TIMESTAMP, 4); OUT_RING(ring, 0); OUT_RING(ring, lower_32_bits(rbmemptr(ring, bv_fence))); OUT_RING(ring, upper_32_bits(rbmemptr(ring, bv_fence))); OUT_RING(ring, submit->seqno); a6xx_gpu->last_seqno[ring->id] = submit->seqno; /* write the ringbuffer timestamp */ OUT_PKT7(ring, CP_EVENT_WRITE, 4); OUT_RING(ring, CACHE_CLEAN | CP_EVENT_WRITE_0_IRQ | BIT(27)); OUT_RING(ring, lower_32_bits(rbmemptr(ring, fence))); OUT_RING(ring, upper_32_bits(rbmemptr(ring, fence))); OUT_RING(ring, submit->seqno); OUT_PKT7(ring, CP_THREAD_CONTROL, 1); OUT_RING(ring, CP_SET_THREAD_BOTH); OUT_PKT7(ring, CP_SET_MARKER, 1); OUT_RING(ring, 0x100); /* IFPC enable */ /* If preemption is enabled */ if (gpu->nr_rings > 1) { /* Yield the floor on command completion */ OUT_PKT7(ring, CP_CONTEXT_SWITCH_YIELD, 4); /* * If dword[2:1] are non zero, they specify an address for * the CP to write the value of dword[3] to on preemption * complete. Write 0 to skip the write */ OUT_RING(ring, 0x00); OUT_RING(ring, 0x00); /* Data value - not used if the address above is 0 */ OUT_RING(ring, 0x01); /* generate interrupt on preemption completion */ OUT_RING(ring, 0x00); } trace_msm_gpu_submit_flush(submit, gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER)); a6xx_flush(gpu, ring); /* Check to see if we need to start preemption */ a6xx_preempt_trigger(gpu); } static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct a6xx_gmu *gmu = &a6xx_gpu->gmu; const struct adreno_reglist *reg; unsigned int i; u32 cgc_delay, cgc_hyst; u32 val, clock_cntl_on; if (!(adreno_gpu->info->a6xx->hwcg || adreno_is_a7xx(adreno_gpu))) return; if (adreno_is_a630(adreno_gpu)) clock_cntl_on = 0x8aa8aa02; else if (adreno_is_a610(adreno_gpu)) clock_cntl_on = 0xaaa8aa82; else if (adreno_is_a702(adreno_gpu)) clock_cntl_on = 0xaaaaaa82; else clock_cntl_on = 0x8aa8aa82; cgc_delay = adreno_is_a615_family(adreno_gpu) ? 0x111 : 0x10111; cgc_hyst = adreno_is_a615_family(adreno_gpu) ? 0x555 : 0x5555; gmu_write(&a6xx_gpu->gmu, REG_A6XX_GPU_GMU_AO_GMU_CGC_MODE_CNTL, state ? adreno_gpu->info->a6xx->gmu_cgc_mode : 0); gmu_write(&a6xx_gpu->gmu, REG_A6XX_GPU_GMU_AO_GMU_CGC_DELAY_CNTL, state ? cgc_delay : 0); gmu_write(&a6xx_gpu->gmu, REG_A6XX_GPU_GMU_AO_GMU_CGC_HYST_CNTL, state ? cgc_hyst : 0); if (!adreno_gpu->info->a6xx->hwcg) { gpu_write(gpu, REG_A7XX_RBBM_CLOCK_CNTL_GLOBAL, 1); gpu_write(gpu, REG_A7XX_RBBM_CGC_GLOBAL_LOAD_CMD, state ? 1 : 0); if (state) { gpu_write(gpu, REG_A7XX_RBBM_CGC_P2S_TRIG_CMD, 1); if (gpu_poll_timeout(gpu, REG_A7XX_RBBM_CGC_P2S_STATUS, val, val & A7XX_RBBM_CGC_P2S_STATUS_TXDONE, 1, 10)) { dev_err(&gpu->pdev->dev, "RBBM_CGC_P2S_STATUS TXDONE Poll failed\n"); return; } gpu_write(gpu, REG_A7XX_RBBM_CLOCK_CNTL_GLOBAL, 0); } return; } val = gpu_read(gpu, REG_A6XX_RBBM_CLOCK_CNTL); /* Don't re-program the registers if they are already correct */ if ((!state && !val) || (state && (val == clock_cntl_on))) return; /* Disable SP clock before programming HWCG registers */ if (!adreno_is_a610_family(adreno_gpu) && !adreno_is_a7xx(adreno_gpu)) gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 1, 0); for (i = 0; (reg = &adreno_gpu->info->a6xx->hwcg[i], reg->offset); i++) gpu_write(gpu, reg->offset, state ? reg->value : 0); /* Enable SP clock */ if (!adreno_is_a610_family(adreno_gpu) && !adreno_is_a7xx(adreno_gpu)) gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 0, 1); gpu_write(gpu, REG_A6XX_RBBM_CLOCK_CNTL, state ? clock_cntl_on : 0); } static void a6xx_set_cp_protect(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); const struct adreno_protect *protect = adreno_gpu->info->a6xx->protect; unsigned i; /* * Enable access protection to privileged registers, fault on an access * protect violation and select the last span to protect from the start * address all the way to the end of the register address space */ gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL, A6XX_CP_PROTECT_CNTL_ACCESS_PROT_EN | A6XX_CP_PROTECT_CNTL_ACCESS_FAULT_ON_VIOL_EN | A6XX_CP_PROTECT_CNTL_LAST_SPAN_INF_RANGE); for (i = 0; i < protect->count - 1; i++) { /* Intentionally skip writing to some registers */ if (protect->regs[i]) gpu_write(gpu, REG_A6XX_CP_PROTECT(i), protect->regs[i]); } /* last CP_PROTECT to have "infinite" length on the last entry */ gpu_write(gpu, REG_A6XX_CP_PROTECT(protect->count_max - 1), protect->regs[i]); } static void a6xx_calc_ubwc_config(struct adreno_gpu *gpu) { gpu->ubwc_config.rgb565_predicator = 0; gpu->ubwc_config.uavflagprd_inv = 0; gpu->ubwc_config.min_acc_len = 0; gpu->ubwc_config.ubwc_swizzle = 0x6; gpu->ubwc_config.macrotile_mode = 0; gpu->ubwc_config.highest_bank_bit = 15; if (adreno_is_a610(gpu)) { gpu->ubwc_config.highest_bank_bit = 13; gpu->ubwc_config.min_acc_len = 1; gpu->ubwc_config.ubwc_swizzle = 0x7; } if (adreno_is_a618(gpu)) gpu->ubwc_config.highest_bank_bit = 14; if (adreno_is_a619(gpu)) /* TODO: Should be 14 but causes corruption at e.g. 1920x1200 on DP */ gpu->ubwc_config.highest_bank_bit = 13; if (adreno_is_a619_holi(gpu)) gpu->ubwc_config.highest_bank_bit = 13; if (adreno_is_a621(gpu)) { gpu->ubwc_config.highest_bank_bit = 13; gpu->ubwc_config.amsbc = 1; gpu->ubwc_config.uavflagprd_inv = 2; } if (adreno_is_a640_family(gpu)) gpu->ubwc_config.amsbc = 1; if (adreno_is_a680(gpu)) gpu->ubwc_config.macrotile_mode = 1; if (adreno_is_a650(gpu) || adreno_is_a660(gpu) || adreno_is_a690(gpu) || adreno_is_a730(gpu) || adreno_is_a740_family(gpu)) { /* TODO: get ddr type from bootloader and use 2 for LPDDR4 */ gpu->ubwc_config.highest_bank_bit = 16; gpu->ubwc_config.amsbc = 1; gpu->ubwc_config.rgb565_predicator = 1; gpu->ubwc_config.uavflagprd_inv = 2; gpu->ubwc_config.macrotile_mode = 1; } if (adreno_is_a663(gpu)) { gpu->ubwc_config.highest_bank_bit = 13; gpu->ubwc_config.amsbc = 1; gpu->ubwc_config.rgb565_predicator = 1; gpu->ubwc_config.uavflagprd_inv = 2; gpu->ubwc_config.macrotile_mode = 1; gpu->ubwc_config.ubwc_swizzle = 0x4; } if (adreno_is_7c3(gpu)) { gpu->ubwc_config.highest_bank_bit = 14; gpu->ubwc_config.amsbc = 1; gpu->ubwc_config.rgb565_predicator = 1; gpu->ubwc_config.uavflagprd_inv = 2; gpu->ubwc_config.macrotile_mode = 1; } if (adreno_is_a702(gpu)) { gpu->ubwc_config.highest_bank_bit = 14; gpu->ubwc_config.min_acc_len = 1; } } static void a6xx_set_ubwc_config(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); /* * We subtract 13 from the highest bank bit (13 is the minimum value * allowed by hw) and write the lowest two bits of the remaining value * as hbb_lo and the one above it as hbb_hi to the hardware. */ BUG_ON(adreno_gpu->ubwc_config.highest_bank_bit < 13); u32 hbb = adreno_gpu->ubwc_config.highest_bank_bit - 13; u32 hbb_hi = hbb >> 2; u32 hbb_lo = hbb & 3; u32 ubwc_mode = adreno_gpu->ubwc_config.ubwc_swizzle & 1; u32 level2_swizzling_dis = !(adreno_gpu->ubwc_config.ubwc_swizzle & 2); gpu_write(gpu, REG_A6XX_RB_NC_MODE_CNTL, level2_swizzling_dis << 12 | adreno_gpu->ubwc_config.rgb565_predicator << 11 | hbb_hi << 10 | adreno_gpu->ubwc_config.amsbc << 4 | adreno_gpu->ubwc_config.min_acc_len << 3 | hbb_lo << 1 | ubwc_mode); gpu_write(gpu, REG_A6XX_TPL1_NC_MODE_CNTL, level2_swizzling_dis << 6 | hbb_hi << 4 | adreno_gpu->ubwc_config.min_acc_len << 3 | hbb_lo << 1 | ubwc_mode); gpu_write(gpu, REG_A6XX_SP_NC_MODE_CNTL, level2_swizzling_dis << 12 | hbb_hi << 10 | adreno_gpu->ubwc_config.uavflagprd_inv << 4 | adreno_gpu->ubwc_config.min_acc_len << 3 | hbb_lo << 1 | ubwc_mode); if (adreno_is_a7xx(adreno_gpu)) gpu_write(gpu, REG_A7XX_GRAS_NC_MODE_CNTL, FIELD_PREP(GENMASK(8, 5), hbb_lo)); gpu_write(gpu, REG_A6XX_UCHE_MODE_CNTL, adreno_gpu->ubwc_config.min_acc_len << 23 | hbb_lo << 21); gpu_write(gpu, REG_A6XX_RBBM_NC_MODE_CNTL, adreno_gpu->ubwc_config.macrotile_mode); } static void a7xx_patch_pwrup_reglist(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); const struct adreno_reglist_list *reglist; void *ptr = a6xx_gpu->pwrup_reglist_ptr; struct cpu_gpu_lock *lock = ptr; u32 *dest = (u32 *)&lock->regs[0]; int i; reglist = adreno_gpu->info->a6xx->pwrup_reglist; lock->gpu_req = lock->cpu_req = lock->turn = 0; lock->ifpc_list_len = 0; lock->preemption_list_len = reglist->count; /* * For each entry in each of the lists, write the offset and the current * register value into the GPU buffer */ for (i = 0; i < reglist->count; i++) { *dest++ = reglist->regs[i]; *dest++ = gpu_read(gpu, reglist->regs[i]); } /* * The overall register list is composed of * 1. Static IFPC-only registers * 2. Static IFPC + preemption registers * 3. Dynamic IFPC + preemption registers (ex: perfcounter selects) * * The first two lists are static. Size of these lists are stored as * number of pairs in ifpc_list_len and preemption_list_len * respectively. With concurrent binning, Some of the perfcounter * registers being virtualized, CP needs to know the pipe id to program * the aperture inorder to restore the same. Thus, third list is a * dynamic list with triplets as * (
), and the length is * stored as number for triplets in dynamic_list_len. */ lock->dynamic_list_len = 0; } static int a7xx_preempt_start(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = gpu->rb[0]; if (gpu->nr_rings <= 1) return 0; /* Turn CP protection off */ OUT_PKT7(ring, CP_SET_PROTECTED_MODE, 1); OUT_RING(ring, 0); a6xx_emit_set_pseudo_reg(ring, a6xx_gpu, NULL); /* Yield the floor on command completion */ OUT_PKT7(ring, CP_CONTEXT_SWITCH_YIELD, 4); OUT_RING(ring, 0x00); OUT_RING(ring, 0x00); OUT_RING(ring, 0x00); /* Generate interrupt on preemption completion */ OUT_RING(ring, 0x00); a6xx_flush(gpu, ring); return a6xx_idle(gpu, ring) ? 0 : -EINVAL; } static int a6xx_cp_init(struct msm_gpu *gpu) { struct msm_ringbuffer *ring = gpu->rb[0]; OUT_PKT7(ring, CP_ME_INIT, 8); OUT_RING(ring, 0x0000002f); /* Enable multiple hardware contexts */ OUT_RING(ring, 0x00000003); /* Enable error detection */ OUT_RING(ring, 0x20000000); /* Don't enable header dump */ OUT_RING(ring, 0x00000000); OUT_RING(ring, 0x00000000); /* No workarounds enabled */ OUT_RING(ring, 0x00000000); /* Pad rest of the cmds with 0's */ OUT_RING(ring, 0x00000000); OUT_RING(ring, 0x00000000); a6xx_flush(gpu, ring); return a6xx_idle(gpu, ring) ? 0 : -EINVAL; } static int a7xx_cp_init(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = gpu->rb[0]; u32 mask; /* Disable concurrent binning before sending CP init */ OUT_PKT7(ring, CP_THREAD_CONTROL, 1); OUT_RING(ring, BIT(27)); OUT_PKT7(ring, CP_ME_INIT, 7); /* Use multiple HW contexts */ mask = BIT(0); /* Enable error detection */ mask |= BIT(1); /* Set default reset state */ mask |= BIT(3); /* Disable save/restore of performance counters across preemption */ mask |= BIT(6); /* Enable the register init list with the spinlock */ mask |= BIT(8); OUT_RING(ring, mask); /* Enable multiple hardware contexts */ OUT_RING(ring, 0x00000003); /* Enable error detection */ OUT_RING(ring, 0x20000000); /* Operation mode mask */ OUT_RING(ring, 0x00000002); /* *Don't* send a power up reg list for concurrent binning (TODO) */ /* Lo address */ OUT_RING(ring, lower_32_bits(a6xx_gpu->pwrup_reglist_iova)); /* Hi address */ OUT_RING(ring, upper_32_bits(a6xx_gpu->pwrup_reglist_iova)); /* BIT(31) set => read the regs from the list */ OUT_RING(ring, BIT(31)); a6xx_flush(gpu, ring); return a6xx_idle(gpu, ring) ? 0 : -EINVAL; } /* * Check that the microcode version is new enough to include several key * security fixes. Return true if the ucode is safe. */ static bool a6xx_ucode_check_version(struct a6xx_gpu *a6xx_gpu, struct drm_gem_object *obj) { struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; struct msm_gpu *gpu = &adreno_gpu->base; const char *sqe_name = adreno_gpu->info->fw[ADRENO_FW_SQE]; u32 *buf = msm_gem_get_vaddr(obj); bool ret = false; if (IS_ERR(buf)) return false; /* A7xx is safe! */ if (adreno_is_a7xx(adreno_gpu) || adreno_is_a702(adreno_gpu)) return true; /* * Targets up to a640 (a618, a630 and a640) need to check for a * microcode version that is patched to support the whereami opcode or * one that is new enough to include it by default. * * a650 tier targets don't need whereami but still need to be * equal to or newer than 0.95 for other security fixes * * a660 targets have all the critical security fixes from the start */ if (!strcmp(sqe_name, "a630_sqe.fw")) { /* * If the lowest nibble is 0xa that is an indication that this * microcode has been patched. The actual version is in dword * [3] but we only care about the patchlevel which is the lowest * nibble of dword [3] * * Otherwise check that the firmware is greater than or equal * to 1.90 which was the first version that had this fix built * in */ if ((((buf[0] & 0xf) == 0xa) && (buf[2] & 0xf) >= 1) || (buf[0] & 0xfff) >= 0x190) { a6xx_gpu->has_whereami = true; ret = true; goto out; } DRM_DEV_ERROR(&gpu->pdev->dev, "a630 SQE ucode is too old. Have version %x need at least %x\n", buf[0] & 0xfff, 0x190); } else if (!strcmp(sqe_name, "a650_sqe.fw")) { if ((buf[0] & 0xfff) >= 0x095) { ret = true; goto out; } DRM_DEV_ERROR(&gpu->pdev->dev, "a650 SQE ucode is too old. Have version %x need at least %x\n", buf[0] & 0xfff, 0x095); } else if (!strcmp(sqe_name, "a660_sqe.fw")) { ret = true; } else { DRM_DEV_ERROR(&gpu->pdev->dev, "unknown GPU, add it to a6xx_ucode_check_version()!!\n"); } out: msm_gem_put_vaddr(obj); return ret; } static int a6xx_ucode_load(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); if (!a6xx_gpu->sqe_bo) { a6xx_gpu->sqe_bo = adreno_fw_create_bo(gpu, adreno_gpu->fw[ADRENO_FW_SQE], &a6xx_gpu->sqe_iova); if (IS_ERR(a6xx_gpu->sqe_bo)) { int ret = PTR_ERR(a6xx_gpu->sqe_bo); a6xx_gpu->sqe_bo = NULL; DRM_DEV_ERROR(&gpu->pdev->dev, "Could not allocate SQE ucode: %d\n", ret); return ret; } msm_gem_object_set_name(a6xx_gpu->sqe_bo, "sqefw"); if (!a6xx_ucode_check_version(a6xx_gpu, a6xx_gpu->sqe_bo)) { msm_gem_unpin_iova(a6xx_gpu->sqe_bo, gpu->aspace); drm_gem_object_put(a6xx_gpu->sqe_bo); a6xx_gpu->sqe_bo = NULL; return -EPERM; } } /* * Expanded APRIV and targets that support WHERE_AM_I both need a * privileged buffer to store the RPTR shadow */ if ((adreno_gpu->base.hw_apriv || a6xx_gpu->has_whereami) && !a6xx_gpu->shadow_bo) { a6xx_gpu->shadow = msm_gem_kernel_new(gpu->dev, sizeof(u32) * gpu->nr_rings, MSM_BO_WC | MSM_BO_MAP_PRIV, gpu->aspace, &a6xx_gpu->shadow_bo, &a6xx_gpu->shadow_iova); if (IS_ERR(a6xx_gpu->shadow)) return PTR_ERR(a6xx_gpu->shadow); msm_gem_object_set_name(a6xx_gpu->shadow_bo, "shadow"); } a6xx_gpu->pwrup_reglist_ptr = msm_gem_kernel_new(gpu->dev, PAGE_SIZE, MSM_BO_WC | MSM_BO_MAP_PRIV, gpu->aspace, &a6xx_gpu->pwrup_reglist_bo, &a6xx_gpu->pwrup_reglist_iova); if (IS_ERR(a6xx_gpu->pwrup_reglist_ptr)) return PTR_ERR(a6xx_gpu->pwrup_reglist_ptr); msm_gem_object_set_name(a6xx_gpu->pwrup_reglist_bo, "pwrup_reglist"); return 0; } static int a6xx_zap_shader_init(struct msm_gpu *gpu) { static bool loaded; int ret; if (loaded) return 0; ret = adreno_zap_shader_load(gpu, GPU_PAS_ID); loaded = !ret; return ret; } #define A6XX_INT_MASK (A6XX_RBBM_INT_0_MASK_CP_AHB_ERROR | \ A6XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNCFIFO_OVERFLOW | \ A6XX_RBBM_INT_0_MASK_CP_HW_ERROR | \ A6XX_RBBM_INT_0_MASK_CP_IB2 | \ A6XX_RBBM_INT_0_MASK_CP_IB1 | \ A6XX_RBBM_INT_0_MASK_CP_RB | \ A6XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS | \ A6XX_RBBM_INT_0_MASK_RBBM_ATB_BUS_OVERFLOW | \ A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT | \ A6XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS | \ A6XX_RBBM_INT_0_MASK_UCHE_TRAP_INTR) #define A7XX_INT_MASK (A6XX_RBBM_INT_0_MASK_CP_AHB_ERROR | \ A6XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNCFIFO_OVERFLOW | \ A6XX_RBBM_INT_0_MASK_RBBM_GPC_ERROR | \ A6XX_RBBM_INT_0_MASK_CP_SW | \ A6XX_RBBM_INT_0_MASK_CP_HW_ERROR | \ A6XX_RBBM_INT_0_MASK_PM4CPINTERRUPT | \ A6XX_RBBM_INT_0_MASK_CP_RB_DONE_TS | \ A6XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS | \ A6XX_RBBM_INT_0_MASK_RBBM_ATB_BUS_OVERFLOW | \ A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT | \ A6XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS | \ A6XX_RBBM_INT_0_MASK_UCHE_TRAP_INTR | \ A6XX_RBBM_INT_0_MASK_TSBWRITEERROR | \ A6XX_RBBM_INT_0_MASK_SWFUSEVIOLATION) #define A7XX_APRIV_MASK (A6XX_CP_APRIV_CNTL_ICACHE | \ A6XX_CP_APRIV_CNTL_RBFETCH | \ A6XX_CP_APRIV_CNTL_RBPRIVLEVEL | \ A6XX_CP_APRIV_CNTL_RBRPWB) #define A7XX_BR_APRIVMASK (A7XX_APRIV_MASK | \ A6XX_CP_APRIV_CNTL_CDREAD | \ A6XX_CP_APRIV_CNTL_CDWRITE) static int hw_init(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct a6xx_gmu *gmu = &a6xx_gpu->gmu; u64 gmem_range_min; unsigned int i; int ret; if (!adreno_has_gmu_wrapper(adreno_gpu)) { /* Make sure the GMU keeps the GPU on while we set it up */ ret = a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); if (ret) return ret; } /* Clear GBIF halt in case GX domain was not collapsed */ if (adreno_is_a619_holi(adreno_gpu)) { gpu_write(gpu, REG_A6XX_GBIF_HALT, 0); gpu_read(gpu, REG_A6XX_GBIF_HALT); gpu_write(gpu, REG_A6XX_RBBM_GPR0_CNTL, 0); gpu_read(gpu, REG_A6XX_RBBM_GPR0_CNTL); } else if (a6xx_has_gbif(adreno_gpu)) { gpu_write(gpu, REG_A6XX_GBIF_HALT, 0); gpu_read(gpu, REG_A6XX_GBIF_HALT); gpu_write(gpu, REG_A6XX_RBBM_GBIF_HALT, 0); gpu_read(gpu, REG_A6XX_RBBM_GBIF_HALT); } gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_CNTL, 0); if (adreno_is_a619_holi(adreno_gpu)) a6xx_sptprac_enable(gmu); /* * Disable the trusted memory range - we don't actually supported secure * memory rendering at this point in time and we don't want to block off * part of the virtual memory space. */ gpu_write64(gpu, REG_A6XX_RBBM_SECVID_TSB_TRUSTED_BASE, 0x00000000); gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_TRUSTED_SIZE, 0x00000000); if (!adreno_is_a7xx(adreno_gpu)) { /* Turn on 64 bit addressing for all blocks */ gpu_write(gpu, REG_A6XX_CP_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_VSC_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_GRAS_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_RB_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_PC_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_HLSQ_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_VFD_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_VPC_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_UCHE_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_SP_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_TPL1_ADDR_MODE_CNTL, 0x1); gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_ADDR_MODE_CNTL, 0x1); } /* enable hardware clockgating */ a6xx_set_hwcg(gpu, true); /* VBIF/GBIF start*/ if (adreno_is_a610_family(adreno_gpu) || adreno_is_a640_family(adreno_gpu) || adreno_is_a650_family(adreno_gpu) || adreno_is_a7xx(adreno_gpu)) { gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE0, 0x00071620); gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE1, 0x00071620); gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE2, 0x00071620); gpu_write(gpu, REG_A6XX_GBIF_QSB_SIDE3, 0x00071620); gpu_write(gpu, REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL, adreno_is_a7xx(adreno_gpu) ? 0x2120212 : 0x3); } else { gpu_write(gpu, REG_A6XX_RBBM_VBIF_CLIENT_QOS_CNTL, 0x3); } if (adreno_is_a630(adreno_gpu)) gpu_write(gpu, REG_A6XX_VBIF_GATE_OFF_WRREQ_EN, 0x00000009); if (adreno_is_a7xx(adreno_gpu)) gpu_write(gpu, REG_A6XX_UCHE_GBIF_GX_CONFIG, 0x10240e0); /* Make all blocks contribute to the GPU BUSY perf counter */ gpu_write(gpu, REG_A6XX_RBBM_PERFCTR_GPU_BUSY_MASKED, 0xffffffff); /* Disable L2 bypass in the UCHE */ if (adreno_is_a7xx(adreno_gpu)) { gpu_write64(gpu, REG_A6XX_UCHE_TRAP_BASE, 0x0001fffffffff000llu); gpu_write64(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE, 0x0001fffffffff000llu); } else { gpu_write64(gpu, REG_A6XX_UCHE_WRITE_RANGE_MAX, 0x0001ffffffffffc0llu); gpu_write64(gpu, REG_A6XX_UCHE_TRAP_BASE, 0x0001fffffffff000llu); gpu_write64(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE, 0x0001fffffffff000llu); } if (!(adreno_is_a650_family(adreno_gpu) || adreno_is_a702(adreno_gpu) || adreno_is_a730(adreno_gpu))) { gmem_range_min = adreno_is_a740_family(adreno_gpu) ? SZ_16M : SZ_1M; /* Set the GMEM VA range [0x100000:0x100000 + gpu->gmem - 1] */ gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MIN, gmem_range_min); gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MAX, gmem_range_min + adreno_gpu->info->gmem - 1); } if (adreno_is_a7xx(adreno_gpu)) gpu_write(gpu, REG_A6XX_UCHE_CACHE_WAYS, BIT(23)); else { gpu_write(gpu, REG_A6XX_UCHE_FILTER_CNTL, 0x804); gpu_write(gpu, REG_A6XX_UCHE_CACHE_WAYS, 0x4); } if (adreno_is_a640_family(adreno_gpu) || adreno_is_a650_family(adreno_gpu)) { gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x02000140); gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c); } else if (adreno_is_a610_family(adreno_gpu)) { gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x00800060); gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x40201b16); } else if (!adreno_is_a7xx(adreno_gpu)) { gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x010000c0); gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c); } if (adreno_is_a660_family(adreno_gpu)) gpu_write(gpu, REG_A6XX_CP_LPAC_PROG_FIFO_SIZE, 0x00000020); /* Setting the mem pool size */ if (adreno_is_a610(adreno_gpu)) { gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 48); gpu_write(gpu, REG_A6XX_CP_MEM_POOL_DBG_ADDR, 47); } else if (adreno_is_a702(adreno_gpu)) { gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 64); gpu_write(gpu, REG_A6XX_CP_MEM_POOL_DBG_ADDR, 63); } else if (!adreno_is_a7xx(adreno_gpu)) gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128); /* Set the default primFifo threshold values */ if (adreno_gpu->info->a6xx->prim_fifo_threshold) gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, adreno_gpu->info->a6xx->prim_fifo_threshold); /* Set the AHB default slave response to "ERROR" */ gpu_write(gpu, REG_A6XX_CP_AHB_CNTL, 0x1); /* Turn on performance counters */ gpu_write(gpu, REG_A6XX_RBBM_PERFCTR_CNTL, 0x1); if (adreno_is_a7xx(adreno_gpu)) { /* Turn on the IFPC counter (countable 4 on XOCLK4) */ gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_CX_GMU_POWER_COUNTER_SELECT_1, FIELD_PREP(GENMASK(7, 0), 0x4)); } /* Select CP0 to always count cycles */ gpu_write(gpu, REG_A6XX_CP_PERFCTR_CP_SEL(0), PERF_CP_ALWAYS_COUNT); a6xx_set_ubwc_config(gpu); /* Enable fault detection */ if (adreno_is_a730(adreno_gpu) || adreno_is_a740_family(adreno_gpu)) gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0xcfffff); else if (adreno_is_a690(adreno_gpu)) gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x4fffff); else if (adreno_is_a619(adreno_gpu)) gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x3fffff); else if (adreno_is_a610(adreno_gpu) || adreno_is_a702(adreno_gpu)) gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x3ffff); else gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x1fffff); gpu_write(gpu, REG_A6XX_UCHE_CLIENT_PF, BIT(7) | 0x1); /* Set weights for bicubic filtering */ if (adreno_is_a650_family(adreno_gpu) || adreno_is_x185(adreno_gpu)) { gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_0, 0); gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_1, 0x3fe05ff4); gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_2, 0x3fa0ebee); gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_3, 0x3f5193ed); gpu_write(gpu, REG_A6XX_TPL1_BICUBIC_WEIGHTS_TABLE_4, 0x3f0243f0); } /* Set up the CX GMU counter 0 to count busy ticks */ gmu_write(gmu, REG_A6XX_GPU_GMU_AO_GPU_CX_BUSY_MASK, 0xff000000); /* Enable the power counter */ gmu_rmw(gmu, REG_A6XX_GMU_CX_GMU_POWER_COUNTER_SELECT_0, 0xff, BIT(5)); gmu_write(gmu, REG_A6XX_GMU_CX_GMU_POWER_COUNTER_ENABLE, 1); /* Protect registers from the CP */ a6xx_set_cp_protect(gpu); if (adreno_is_a660_family(adreno_gpu)) { if (adreno_is_a690(adreno_gpu)) gpu_write(gpu, REG_A6XX_CP_CHICKEN_DBG, 0x00028801); else gpu_write(gpu, REG_A6XX_CP_CHICKEN_DBG, 0x1); gpu_write(gpu, REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL, 0x0); } else if (adreno_is_a702(adreno_gpu)) { /* Something to do with the HLSQ cluster */ gpu_write(gpu, REG_A6XX_CP_CHICKEN_DBG, BIT(24)); } if (adreno_is_a690(adreno_gpu)) gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG, 0x90); /* Set dualQ + disable afull for A660 GPU */ else if (adreno_is_a660(adreno_gpu) || adreno_is_a663(adreno_gpu)) gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG, 0x66906); else if (adreno_is_a7xx(adreno_gpu)) gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG, FIELD_PREP(GENMASK(19, 16), 6) | FIELD_PREP(GENMASK(15, 12), 6) | FIELD_PREP(GENMASK(11, 8), 9) | BIT(3) | BIT(2) | FIELD_PREP(GENMASK(1, 0), 2)); /* Enable expanded apriv for targets that support it */ if (gpu->hw_apriv) { if (adreno_is_a7xx(adreno_gpu)) { gpu_write(gpu, REG_A6XX_CP_APRIV_CNTL, A7XX_BR_APRIVMASK); gpu_write(gpu, REG_A7XX_CP_BV_APRIV_CNTL, A7XX_APRIV_MASK); gpu_write(gpu, REG_A7XX_CP_LPAC_APRIV_CNTL, A7XX_APRIV_MASK); } else gpu_write(gpu, REG_A6XX_CP_APRIV_CNTL, BIT(6) | BIT(5) | BIT(3) | BIT(2) | BIT(1)); } if (adreno_is_a750(adreno_gpu)) { /* Disable ubwc merged UFC request feature */ gpu_rmw(gpu, REG_A6XX_RB_CMP_DBG_ECO_CNTL, BIT(19), BIT(19)); /* Enable TP flaghint and other performance settings */ gpu_write(gpu, REG_A6XX_TPL1_DBG_ECO_CNTL1, 0xc0700); } else if (adreno_is_a7xx(adreno_gpu)) { /* Disable non-ubwc read reqs from passing write reqs */ gpu_rmw(gpu, REG_A6XX_RB_CMP_DBG_ECO_CNTL, BIT(11), BIT(11)); } /* Enable interrupts */ gpu_write(gpu, REG_A6XX_RBBM_INT_0_MASK, adreno_is_a7xx(adreno_gpu) ? A7XX_INT_MASK : A6XX_INT_MASK); ret = adreno_hw_init(gpu); if (ret) goto out; gpu_write64(gpu, REG_A6XX_CP_SQE_INSTR_BASE, a6xx_gpu->sqe_iova); /* Set the ringbuffer address */ gpu_write64(gpu, REG_A6XX_CP_RB_BASE, gpu->rb[0]->iova); /* Targets that support extended APRIV can use the RPTR shadow from * hardware but all the other ones need to disable the feature. Targets * that support the WHERE_AM_I opcode can use that instead */ if (adreno_gpu->base.hw_apriv) gpu_write(gpu, REG_A6XX_CP_RB_CNTL, MSM_GPU_RB_CNTL_DEFAULT); else gpu_write(gpu, REG_A6XX_CP_RB_CNTL, MSM_GPU_RB_CNTL_DEFAULT | AXXX_CP_RB_CNTL_NO_UPDATE); /* Configure the RPTR shadow if needed: */ if (a6xx_gpu->shadow_bo) { gpu_write64(gpu, REG_A6XX_CP_RB_RPTR_ADDR, shadowptr(a6xx_gpu, gpu->rb[0])); for (unsigned int i = 0; i < gpu->nr_rings; i++) a6xx_gpu->shadow[i] = 0; } /* ..which means "always" on A7xx, also for BV shadow */ if (adreno_is_a7xx(adreno_gpu)) { gpu_write64(gpu, REG_A7XX_CP_BV_RB_RPTR_ADDR, rbmemptr(gpu->rb[0], bv_rptr)); } a6xx_preempt_hw_init(gpu); /* Always come up on rb 0 */ a6xx_gpu->cur_ring = gpu->rb[0]; for (i = 0; i < gpu->nr_rings; i++) gpu->rb[i]->cur_ctx_seqno = 0; /* Enable the SQE_to start the CP engine */ gpu_write(gpu, REG_A6XX_CP_SQE_CNTL, 1); if (adreno_is_a7xx(adreno_gpu) && !a6xx_gpu->pwrup_reglist_emitted) { a7xx_patch_pwrup_reglist(gpu); a6xx_gpu->pwrup_reglist_emitted = true; } ret = adreno_is_a7xx(adreno_gpu) ? a7xx_cp_init(gpu) : a6xx_cp_init(gpu); if (ret) goto out; /* * Try to load a zap shader into the secure world. If successful * we can use the CP to switch out of secure mode. If not then we * have no resource but to try to switch ourselves out manually. If we * guessed wrong then access to the RBBM_SECVID_TRUST_CNTL register will * be blocked and a permissions violation will soon follow. */ ret = a6xx_zap_shader_init(gpu); if (!ret) { OUT_PKT7(gpu->rb[0], CP_SET_SECURE_MODE, 1); OUT_RING(gpu->rb[0], 0x00000000); a6xx_flush(gpu, gpu->rb[0]); if (!a6xx_idle(gpu, gpu->rb[0])) return -EINVAL; } else if (ret == -ENODEV) { /* * This device does not use zap shader (but print a warning * just in case someone got their dt wrong.. hopefully they * have a debug UART to realize the error of their ways... * if you mess this up you are about to crash horribly) */ dev_warn_once(gpu->dev->dev, "Zap shader not enabled - using SECVID_TRUST_CNTL instead\n"); gpu_write(gpu, REG_A6XX_RBBM_SECVID_TRUST_CNTL, 0x0); ret = 0; } else { return ret; } out: if (adreno_has_gmu_wrapper(adreno_gpu)) return ret; /* Last step - yield the ringbuffer */ a7xx_preempt_start(gpu); /* * Tell the GMU that we are done touching the GPU and it can start power * management */ a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); if (a6xx_gpu->gmu.legacy) { /* Take the GMU out of its special boot mode */ a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_BOOT_SLUMBER); } return ret; } static int a6xx_hw_init(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); int ret; mutex_lock(&a6xx_gpu->gmu.lock); ret = hw_init(gpu); mutex_unlock(&a6xx_gpu->gmu.lock); return ret; } static void a6xx_dump(struct msm_gpu *gpu) { DRM_DEV_INFO(&gpu->pdev->dev, "status: %08x\n", gpu_read(gpu, REG_A6XX_RBBM_STATUS)); adreno_dump(gpu); } static void a6xx_recover(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct a6xx_gmu *gmu = &a6xx_gpu->gmu; int i, active_submits; adreno_dump_info(gpu); for (i = 0; i < 8; i++) DRM_DEV_INFO(&gpu->pdev->dev, "CP_SCRATCH_REG%d: %u\n", i, gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(i))); if (hang_debug) a6xx_dump(gpu); /* * To handle recovery specific sequences during the rpm suspend we are * about to trigger */ a6xx_gpu->hung = true; /* Halt SQE first */ gpu_write(gpu, REG_A6XX_CP_SQE_CNTL, 3); pm_runtime_dont_use_autosuspend(&gpu->pdev->dev); /* active_submit won't change until we make a submission */ mutex_lock(&gpu->active_lock); active_submits = gpu->active_submits; /* * Temporarily clear active_submits count to silence a WARN() in the * runtime suspend cb */ gpu->active_submits = 0; if (adreno_has_gmu_wrapper(adreno_gpu)) { /* Drain the outstanding traffic on memory buses */ a6xx_bus_clear_pending_transactions(adreno_gpu, true); /* Reset the GPU to a clean state */ a6xx_gpu_sw_reset(gpu, true); a6xx_gpu_sw_reset(gpu, false); } reinit_completion(&gmu->pd_gate); dev_pm_genpd_add_notifier(gmu->cxpd, &gmu->pd_nb); dev_pm_genpd_synced_poweroff(gmu->cxpd); /* Drop the rpm refcount from active submits */ if (active_submits) pm_runtime_put(&gpu->pdev->dev); /* And the final one from recover worker */ pm_runtime_put_sync(&gpu->pdev->dev); if (!wait_for_completion_timeout(&gmu->pd_gate, msecs_to_jiffies(1000))) DRM_DEV_ERROR(&gpu->pdev->dev, "cx gdsc didn't collapse\n"); dev_pm_genpd_remove_notifier(gmu->cxpd); pm_runtime_use_autosuspend(&gpu->pdev->dev); if (active_submits) pm_runtime_get(&gpu->pdev->dev); pm_runtime_get_sync(&gpu->pdev->dev); gpu->active_submits = active_submits; mutex_unlock(&gpu->active_lock); msm_gpu_hw_init(gpu); a6xx_gpu->hung = false; } static const char *a6xx_uche_fault_block(struct msm_gpu *gpu, u32 mid) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); static const char *uche_clients[7] = { "VFD", "SP", "VSC", "VPC", "HLSQ", "PC", "LRZ", }; u32 val; if (adreno_is_a7xx(adreno_gpu)) { if (mid != 1 && mid != 2 && mid != 3 && mid != 8) return "UNKNOWN"; } else { if (mid < 1 || mid > 3) return "UNKNOWN"; } /* * The source of the data depends on the mid ID read from FSYNR1. * and the client ID read from the UCHE block */ val = gpu_read(gpu, REG_A6XX_UCHE_CLIENT_PF); if (adreno_is_a7xx(adreno_gpu)) { /* Bit 3 for mid=3 indicates BR or BV */ static const char *uche_clients_a7xx[16] = { "BR_VFD", "BR_SP", "BR_VSC", "BR_VPC", "BR_HLSQ", "BR_PC", "BR_LRZ", "BR_TP", "BV_VFD", "BV_SP", "BV_VSC", "BV_VPC", "BV_HLSQ", "BV_PC", "BV_LRZ", "BV_TP", }; /* LPAC has the same clients as BR and BV, but because it is * compute-only some of them do not exist and there are holes * in the array. */ static const char *uche_clients_lpac_a7xx[8] = { "-", "LPAC_SP", "-", "-", "LPAC_HLSQ", "-", "-", "LPAC_TP", }; val &= GENMASK(6, 0); /* mid=3 refers to BR or BV */ if (mid == 3) { if (val < ARRAY_SIZE(uche_clients_a7xx)) return uche_clients_a7xx[val]; else return "UCHE"; } /* mid=8 refers to LPAC */ if (mid == 8) { if (val < ARRAY_SIZE(uche_clients_lpac_a7xx)) return uche_clients_lpac_a7xx[val]; else return "UCHE_LPAC"; } /* mid=2 is a catchall for everything else in LPAC */ if (mid == 2) return "UCHE_LPAC"; /* mid=1 is a catchall for everything else in BR/BV */ return "UCHE"; } else if (adreno_is_a660_family(adreno_gpu)) { static const char *uche_clients_a660[8] = { "VFD", "SP", "VSC", "VPC", "HLSQ", "PC", "LRZ", "TP", }; static const char *uche_clients_a660_not[8] = { "not VFD", "not SP", "not VSC", "not VPC", "not HLSQ", "not PC", "not LRZ", "not TP", }; val &= GENMASK(6, 0); if (mid == 3 && val < ARRAY_SIZE(uche_clients_a660)) return uche_clients_a660[val]; if (mid == 1 && val < ARRAY_SIZE(uche_clients_a660_not)) return uche_clients_a660_not[val]; return "UCHE"; } else { /* mid = 3 is most precise and refers to only one block per client */ if (mid == 3) return uche_clients[val & 7]; /* For mid=2 the source is TP or VFD except when the client id is 0 */ if (mid == 2) return ((val & 7) == 0) ? "TP" : "TP|VFD"; /* For mid=1 just return "UCHE" as a catchall for everything else */ return "UCHE"; } } static const char *a6xx_fault_block(struct msm_gpu *gpu, u32 id) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); if (id == 0) return "CP"; else if (id == 4) return "CCU"; else if (id == 6) return "CDP Prefetch"; else if (id == 7) return "GMU"; else if (id == 5 && adreno_is_a7xx(adreno_gpu)) return "Flag cache"; return a6xx_uche_fault_block(gpu, id); } static int a6xx_fault_handler(void *arg, unsigned long iova, int flags, void *data) { struct msm_gpu *gpu = arg; struct adreno_smmu_fault_info *info = data; const char *block = "unknown"; u32 scratch[] = { gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(4)), gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(5)), gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(6)), gpu_read(gpu, REG_A6XX_CP_SCRATCH_REG(7)), }; if (info) block = a6xx_fault_block(gpu, info->fsynr1 & 0xff); return adreno_fault_handler(gpu, iova, flags, info, block, scratch); } static void a6xx_cp_hw_err_irq(struct msm_gpu *gpu) { u32 status = gpu_read(gpu, REG_A6XX_CP_INTERRUPT_STATUS); if (status & A6XX_CP_INT_CP_OPCODE_ERROR) { u32 val; gpu_write(gpu, REG_A6XX_CP_SQE_STAT_ADDR, 1); val = gpu_read(gpu, REG_A6XX_CP_SQE_STAT_DATA); dev_err_ratelimited(&gpu->pdev->dev, "CP | opcode error | possible opcode=0x%8.8X\n", val); } if (status & A6XX_CP_INT_CP_UCODE_ERROR) dev_err_ratelimited(&gpu->pdev->dev, "CP ucode error interrupt\n"); if (status & A6XX_CP_INT_CP_HW_FAULT_ERROR) dev_err_ratelimited(&gpu->pdev->dev, "CP | HW fault | status=0x%8.8X\n", gpu_read(gpu, REG_A6XX_CP_HW_FAULT)); if (status & A6XX_CP_INT_CP_REGISTER_PROTECTION_ERROR) { u32 val = gpu_read(gpu, REG_A6XX_CP_PROTECT_STATUS); dev_err_ratelimited(&gpu->pdev->dev, "CP | protected mode error | %s | addr=0x%8.8X | status=0x%8.8X\n", val & (1 << 20) ? "READ" : "WRITE", (val & 0x3ffff), val); } if (status & A6XX_CP_INT_CP_AHB_ERROR && !adreno_is_a7xx(to_adreno_gpu(gpu))) dev_err_ratelimited(&gpu->pdev->dev, "CP AHB error interrupt\n"); if (status & A6XX_CP_INT_CP_VSD_PARITY_ERROR) dev_err_ratelimited(&gpu->pdev->dev, "CP VSD decoder parity error\n"); if (status & A6XX_CP_INT_CP_ILLEGAL_INSTR_ERROR) dev_err_ratelimited(&gpu->pdev->dev, "CP illegal instruction error\n"); } static void a6xx_fault_detect_irq(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct msm_ringbuffer *ring = gpu->funcs->active_ring(gpu); /* * If stalled on SMMU fault, we could trip the GPU's hang detection, * but the fault handler will trigger the devcore dump, and we want * to otherwise resume normally rather than killing the submit, so * just bail. */ if (gpu_read(gpu, REG_A6XX_RBBM_STATUS3) & A6XX_RBBM_STATUS3_SMMU_STALLED_ON_FAULT) return; /* * Force the GPU to stay on until after we finish * collecting information */ if (!adreno_has_gmu_wrapper(adreno_gpu)) gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_GMU_PWR_COL_KEEPALIVE, 1); DRM_DEV_ERROR(&gpu->pdev->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", ring ? ring->id : -1, ring ? ring->fctx->last_fence : 0, gpu_read(gpu, REG_A6XX_RBBM_STATUS), gpu_read(gpu, REG_A6XX_CP_RB_RPTR), gpu_read(gpu, REG_A6XX_CP_RB_WPTR), gpu_read64(gpu, REG_A6XX_CP_IB1_BASE), gpu_read(gpu, REG_A6XX_CP_IB1_REM_SIZE), gpu_read64(gpu, REG_A6XX_CP_IB2_BASE), gpu_read(gpu, REG_A6XX_CP_IB2_REM_SIZE)); /* Turn off the hangcheck timer to keep it from bothering us */ del_timer(&gpu->hangcheck_timer); kthread_queue_work(gpu->worker, &gpu->recover_work); } static void a7xx_sw_fuse_violation_irq(struct msm_gpu *gpu) { u32 status; status = gpu_read(gpu, REG_A7XX_RBBM_SW_FUSE_INT_STATUS); gpu_write(gpu, REG_A7XX_RBBM_SW_FUSE_INT_MASK, 0); dev_err_ratelimited(&gpu->pdev->dev, "SW fuse violation status=%8.8x\n", status); /* * Ignore FASTBLEND violations, because the HW will silently fall back * to legacy blending. */ if (status & (A7XX_CX_MISC_SW_FUSE_VALUE_RAYTRACING | A7XX_CX_MISC_SW_FUSE_VALUE_LPAC)) { del_timer(&gpu->hangcheck_timer); kthread_queue_work(gpu->worker, &gpu->recover_work); } } static irqreturn_t a6xx_irq(struct msm_gpu *gpu) { struct msm_drm_private *priv = gpu->dev->dev_private; u32 status = gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS); gpu_write(gpu, REG_A6XX_RBBM_INT_CLEAR_CMD, status); if (priv->disable_err_irq) status &= A6XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS; if (status & A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT) a6xx_fault_detect_irq(gpu); if (status & A6XX_RBBM_INT_0_MASK_CP_AHB_ERROR) dev_err_ratelimited(&gpu->pdev->dev, "CP | AHB bus error\n"); if (status & A6XX_RBBM_INT_0_MASK_CP_HW_ERROR) a6xx_cp_hw_err_irq(gpu); if (status & A6XX_RBBM_INT_0_MASK_RBBM_ATB_ASYNCFIFO_OVERFLOW) dev_err_ratelimited(&gpu->pdev->dev, "RBBM | ATB ASYNC overflow\n"); if (status & A6XX_RBBM_INT_0_MASK_RBBM_ATB_BUS_OVERFLOW) dev_err_ratelimited(&gpu->pdev->dev, "RBBM | ATB bus overflow\n"); if (status & A6XX_RBBM_INT_0_MASK_UCHE_OOB_ACCESS) dev_err_ratelimited(&gpu->pdev->dev, "UCHE | Out of bounds access\n"); if (status & A6XX_RBBM_INT_0_MASK_SWFUSEVIOLATION) a7xx_sw_fuse_violation_irq(gpu); if (status & A6XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS) { msm_gpu_retire(gpu); a6xx_preempt_trigger(gpu); } if (status & A6XX_RBBM_INT_0_MASK_CP_SW) a6xx_preempt_irq(gpu); return IRQ_HANDLED; } static void a6xx_llc_deactivate(struct a6xx_gpu *a6xx_gpu) { llcc_slice_deactivate(a6xx_gpu->llc_slice); llcc_slice_deactivate(a6xx_gpu->htw_llc_slice); } static void a6xx_llc_activate(struct a6xx_gpu *a6xx_gpu) { struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; struct msm_gpu *gpu = &adreno_gpu->base; u32 cntl1_regval = 0; if (IS_ERR(a6xx_gpu->llc_mmio)) return; if (!llcc_slice_activate(a6xx_gpu->llc_slice)) { u32 gpu_scid = llcc_get_slice_id(a6xx_gpu->llc_slice); gpu_scid &= 0x1f; cntl1_regval = (gpu_scid << 0) | (gpu_scid << 5) | (gpu_scid << 10) | (gpu_scid << 15) | (gpu_scid << 20); /* On A660, the SCID programming for UCHE traffic is done in * A6XX_GBIF_SCACHE_CNTL0[14:10] */ if (adreno_is_a660_family(adreno_gpu)) gpu_rmw(gpu, REG_A6XX_GBIF_SCACHE_CNTL0, (0x1f << 10) | (1 << 8), (gpu_scid << 10) | (1 << 8)); } /* * For targets with a MMU500, activate the slice but don't program the * register. The XBL will take care of that. */ if (!llcc_slice_activate(a6xx_gpu->htw_llc_slice)) { if (!a6xx_gpu->have_mmu500) { u32 gpuhtw_scid = llcc_get_slice_id(a6xx_gpu->htw_llc_slice); gpuhtw_scid &= 0x1f; cntl1_regval |= FIELD_PREP(GENMASK(29, 25), gpuhtw_scid); } } if (!cntl1_regval) return; /* * Program the slice IDs for the various GPU blocks and GPU MMU * pagetables */ if (!a6xx_gpu->have_mmu500) { a6xx_llc_write(a6xx_gpu, REG_A6XX_CX_MISC_SYSTEM_CACHE_CNTL_1, cntl1_regval); /* * Program cacheability overrides to not allocate cache * lines on a write miss */ a6xx_llc_rmw(a6xx_gpu, REG_A6XX_CX_MISC_SYSTEM_CACHE_CNTL_0, 0xF, 0x03); return; } gpu_rmw(gpu, REG_A6XX_GBIF_SCACHE_CNTL1, GENMASK(24, 0), cntl1_regval); } static void a7xx_llc_activate(struct a6xx_gpu *a6xx_gpu) { struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; struct msm_gpu *gpu = &adreno_gpu->base; if (IS_ERR(a6xx_gpu->llc_mmio)) return; if (!llcc_slice_activate(a6xx_gpu->llc_slice)) { u32 gpu_scid = llcc_get_slice_id(a6xx_gpu->llc_slice); gpu_scid &= GENMASK(4, 0); gpu_write(gpu, REG_A6XX_GBIF_SCACHE_CNTL1, FIELD_PREP(GENMASK(29, 25), gpu_scid) | FIELD_PREP(GENMASK(24, 20), gpu_scid) | FIELD_PREP(GENMASK(19, 15), gpu_scid) | FIELD_PREP(GENMASK(14, 10), gpu_scid) | FIELD_PREP(GENMASK(9, 5), gpu_scid) | FIELD_PREP(GENMASK(4, 0), gpu_scid)); gpu_write(gpu, REG_A6XX_GBIF_SCACHE_CNTL0, FIELD_PREP(GENMASK(14, 10), gpu_scid) | BIT(8)); } llcc_slice_activate(a6xx_gpu->htw_llc_slice); } static void a6xx_llc_slices_destroy(struct a6xx_gpu *a6xx_gpu) { /* No LLCC on non-RPMh (and by extension, non-GMU) SoCs */ if (adreno_has_gmu_wrapper(&a6xx_gpu->base)) return; llcc_slice_putd(a6xx_gpu->llc_slice); llcc_slice_putd(a6xx_gpu->htw_llc_slice); } static void a6xx_llc_slices_init(struct platform_device *pdev, struct a6xx_gpu *a6xx_gpu, bool is_a7xx) { struct device_node *phandle; /* No LLCC on non-RPMh (and by extension, non-GMU) SoCs */ if (adreno_has_gmu_wrapper(&a6xx_gpu->base)) return; /* * There is a different programming path for A6xx targets with an * mmu500 attached, so detect if that is the case */ phandle = of_parse_phandle(pdev->dev.of_node, "iommus", 0); a6xx_gpu->have_mmu500 = (phandle && of_device_is_compatible(phandle, "arm,mmu-500")); of_node_put(phandle); if (is_a7xx || !a6xx_gpu->have_mmu500) a6xx_gpu->llc_mmio = msm_ioremap(pdev, "cx_mem"); else a6xx_gpu->llc_mmio = NULL; a6xx_gpu->llc_slice = llcc_slice_getd(LLCC_GPU); a6xx_gpu->htw_llc_slice = llcc_slice_getd(LLCC_GPUHTW); if (IS_ERR_OR_NULL(a6xx_gpu->llc_slice) && IS_ERR_OR_NULL(a6xx_gpu->htw_llc_slice)) a6xx_gpu->llc_mmio = ERR_PTR(-EINVAL); } static int a7xx_cx_mem_init(struct a6xx_gpu *a6xx_gpu) { struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; struct msm_gpu *gpu = &adreno_gpu->base; u32 fuse_val; int ret; if (adreno_is_a750(adreno_gpu)) { /* * Assume that if qcom scm isn't available, that whatever * replacement allows writing the fuse register ourselves. * Users of alternative firmware need to make sure this * register is writeable or indicate that it's not somehow. * Print a warning because if you mess this up you're about to * crash horribly. */ if (!qcom_scm_is_available()) { dev_warn_once(gpu->dev->dev, "SCM is not available, poking fuse register\n"); a6xx_llc_write(a6xx_gpu, REG_A7XX_CX_MISC_SW_FUSE_VALUE, A7XX_CX_MISC_SW_FUSE_VALUE_RAYTRACING | A7XX_CX_MISC_SW_FUSE_VALUE_FASTBLEND | A7XX_CX_MISC_SW_FUSE_VALUE_LPAC); adreno_gpu->has_ray_tracing = true; return 0; } ret = qcom_scm_gpu_init_regs(QCOM_SCM_GPU_ALWAYS_EN_REQ | QCOM_SCM_GPU_TSENSE_EN_REQ); if (ret) return ret; /* * On a750 raytracing may be disabled by the firmware, find out * whether that's the case. The scm call above sets the fuse * register. */ fuse_val = a6xx_llc_read(a6xx_gpu, REG_A7XX_CX_MISC_SW_FUSE_VALUE); adreno_gpu->has_ray_tracing = !!(fuse_val & A7XX_CX_MISC_SW_FUSE_VALUE_RAYTRACING); } else if (adreno_is_a740(adreno_gpu)) { /* Raytracing is always enabled on a740 */ adreno_gpu->has_ray_tracing = true; } return 0; } #define GBIF_CLIENT_HALT_MASK BIT(0) #define GBIF_ARB_HALT_MASK BIT(1) #define VBIF_XIN_HALT_CTRL0_MASK GENMASK(3, 0) #define VBIF_RESET_ACK_MASK 0xF0 #define GPR0_GBIF_HALT_REQUEST 0x1E0 void a6xx_bus_clear_pending_transactions(struct adreno_gpu *adreno_gpu, bool gx_off) { struct msm_gpu *gpu = &adreno_gpu->base; if (adreno_is_a619_holi(adreno_gpu)) { gpu_write(gpu, REG_A6XX_RBBM_GPR0_CNTL, GPR0_GBIF_HALT_REQUEST); spin_until((gpu_read(gpu, REG_A6XX_RBBM_VBIF_GX_RESET_STATUS) & (VBIF_RESET_ACK_MASK)) == VBIF_RESET_ACK_MASK); } else if (!a6xx_has_gbif(adreno_gpu)) { gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, VBIF_XIN_HALT_CTRL0_MASK); spin_until((gpu_read(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL1) & (VBIF_XIN_HALT_CTRL0_MASK)) == VBIF_XIN_HALT_CTRL0_MASK); gpu_write(gpu, REG_A6XX_VBIF_XIN_HALT_CTRL0, 0); return; } if (gx_off) { /* Halt the gx side of GBIF */ gpu_write(gpu, REG_A6XX_RBBM_GBIF_HALT, 1); spin_until(gpu_read(gpu, REG_A6XX_RBBM_GBIF_HALT_ACK) & 1); } /* Halt new client requests on GBIF */ gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_CLIENT_HALT_MASK); spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) & (GBIF_CLIENT_HALT_MASK)) == GBIF_CLIENT_HALT_MASK); /* Halt all AXI requests on GBIF */ gpu_write(gpu, REG_A6XX_GBIF_HALT, GBIF_ARB_HALT_MASK); spin_until((gpu_read(gpu, REG_A6XX_GBIF_HALT_ACK) & (GBIF_ARB_HALT_MASK)) == GBIF_ARB_HALT_MASK); /* The GBIF halt needs to be explicitly cleared */ gpu_write(gpu, REG_A6XX_GBIF_HALT, 0x0); } void a6xx_gpu_sw_reset(struct msm_gpu *gpu, bool assert) { /* 11nm chips (e.g. ones with A610) have hw issues with the reset line! */ if (adreno_is_a610(to_adreno_gpu(gpu))) return; gpu_write(gpu, REG_A6XX_RBBM_SW_RESET_CMD, assert); /* Perform a bogus read and add a brief delay to ensure ordering. */ gpu_read(gpu, REG_A6XX_RBBM_SW_RESET_CMD); udelay(1); /* The reset line needs to be asserted for at least 100 us */ if (assert) udelay(100); } static int a6xx_gmu_pm_resume(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); int ret; gpu->needs_hw_init = true; trace_msm_gpu_resume(0); mutex_lock(&a6xx_gpu->gmu.lock); ret = a6xx_gmu_resume(a6xx_gpu); mutex_unlock(&a6xx_gpu->gmu.lock); if (ret) return ret; msm_devfreq_resume(gpu); adreno_is_a7xx(adreno_gpu) ? a7xx_llc_activate(a6xx_gpu) : a6xx_llc_activate(a6xx_gpu); return ret; } static int a6xx_pm_resume(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct a6xx_gmu *gmu = &a6xx_gpu->gmu; unsigned long freq = gpu->fast_rate; struct dev_pm_opp *opp; int ret; gpu->needs_hw_init = true; trace_msm_gpu_resume(0); mutex_lock(&a6xx_gpu->gmu.lock); opp = dev_pm_opp_find_freq_ceil(&gpu->pdev->dev, &freq); if (IS_ERR(opp)) { ret = PTR_ERR(opp); goto err_set_opp; } dev_pm_opp_put(opp); /* Set the core clock and bus bw, having VDD scaling in mind */ dev_pm_opp_set_opp(&gpu->pdev->dev, opp); pm_runtime_resume_and_get(gmu->dev); pm_runtime_resume_and_get(gmu->gxpd); ret = clk_bulk_prepare_enable(gpu->nr_clocks, gpu->grp_clks); if (ret) goto err_bulk_clk; if (adreno_is_a619_holi(adreno_gpu)) a6xx_sptprac_enable(gmu); /* If anything goes south, tear the GPU down piece by piece.. */ if (ret) { err_bulk_clk: pm_runtime_put(gmu->gxpd); pm_runtime_put(gmu->dev); dev_pm_opp_set_opp(&gpu->pdev->dev, NULL); } err_set_opp: mutex_unlock(&a6xx_gpu->gmu.lock); if (!ret) msm_devfreq_resume(gpu); return ret; } static int a6xx_gmu_pm_suspend(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); int i, ret; trace_msm_gpu_suspend(0); a6xx_llc_deactivate(a6xx_gpu); msm_devfreq_suspend(gpu); mutex_lock(&a6xx_gpu->gmu.lock); ret = a6xx_gmu_stop(a6xx_gpu); mutex_unlock(&a6xx_gpu->gmu.lock); if (ret) return ret; if (a6xx_gpu->shadow_bo) for (i = 0; i < gpu->nr_rings; i++) a6xx_gpu->shadow[i] = 0; gpu->suspend_count++; return 0; } static int a6xx_pm_suspend(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); struct a6xx_gmu *gmu = &a6xx_gpu->gmu; int i; trace_msm_gpu_suspend(0); msm_devfreq_suspend(gpu); mutex_lock(&a6xx_gpu->gmu.lock); /* Drain the outstanding traffic on memory buses */ a6xx_bus_clear_pending_transactions(adreno_gpu, true); if (adreno_is_a619_holi(adreno_gpu)) a6xx_sptprac_disable(gmu); clk_bulk_disable_unprepare(gpu->nr_clocks, gpu->grp_clks); pm_runtime_put_sync(gmu->gxpd); dev_pm_opp_set_opp(&gpu->pdev->dev, NULL); pm_runtime_put_sync(gmu->dev); mutex_unlock(&a6xx_gpu->gmu.lock); if (a6xx_gpu->shadow_bo) for (i = 0; i < gpu->nr_rings; i++) a6xx_gpu->shadow[i] = 0; gpu->suspend_count++; return 0; } static int a6xx_gmu_get_timestamp(struct msm_gpu *gpu, uint64_t *value) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); mutex_lock(&a6xx_gpu->gmu.lock); /* Force the GPU power on so we can read this register */ a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_PERFCOUNTER_SET); *value = gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER); a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_PERFCOUNTER_SET); mutex_unlock(&a6xx_gpu->gmu.lock); return 0; } static int a6xx_get_timestamp(struct msm_gpu *gpu, uint64_t *value) { *value = gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER); return 0; } static struct msm_ringbuffer *a6xx_active_ring(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); return a6xx_gpu->cur_ring; } static void a6xx_destroy(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); if (a6xx_gpu->sqe_bo) { msm_gem_unpin_iova(a6xx_gpu->sqe_bo, gpu->aspace); drm_gem_object_put(a6xx_gpu->sqe_bo); } if (a6xx_gpu->shadow_bo) { msm_gem_unpin_iova(a6xx_gpu->shadow_bo, gpu->aspace); drm_gem_object_put(a6xx_gpu->shadow_bo); } a6xx_llc_slices_destroy(a6xx_gpu); a6xx_gmu_remove(a6xx_gpu); adreno_gpu_cleanup(adreno_gpu); kfree(a6xx_gpu); } static u64 a6xx_gpu_busy(struct msm_gpu *gpu, unsigned long *out_sample_rate) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); u64 busy_cycles; /* 19.2MHz */ *out_sample_rate = 19200000; busy_cycles = gmu_read64(&a6xx_gpu->gmu, REG_A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_0_L, REG_A6XX_GMU_CX_GMU_POWER_COUNTER_XOCLK_0_H); return busy_cycles; } static void a6xx_gpu_set_freq(struct msm_gpu *gpu, struct dev_pm_opp *opp, bool suspended) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); mutex_lock(&a6xx_gpu->gmu.lock); a6xx_gmu_set_freq(gpu, opp, suspended); mutex_unlock(&a6xx_gpu->gmu.lock); } static struct msm_gem_address_space * a6xx_create_address_space(struct msm_gpu *gpu, struct platform_device *pdev) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); unsigned long quirks = 0; /* * This allows GPU to set the bus attributes required to use system * cache on behalf of the iommu page table walker. */ if (!IS_ERR_OR_NULL(a6xx_gpu->htw_llc_slice) && !device_iommu_capable(&pdev->dev, IOMMU_CAP_CACHE_COHERENCY)) quirks |= IO_PGTABLE_QUIRK_ARM_OUTER_WBWA; return adreno_iommu_create_address_space(gpu, pdev, quirks); } static struct msm_gem_address_space * a6xx_create_private_address_space(struct msm_gpu *gpu) { struct msm_mmu *mmu; mmu = msm_iommu_pagetable_create(gpu->aspace->mmu); if (IS_ERR(mmu)) return ERR_CAST(mmu); return msm_gem_address_space_create(mmu, "gpu", 0x100000000ULL, adreno_private_address_space_size(gpu)); } static uint32_t a6xx_get_rptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); if (adreno_gpu->base.hw_apriv || a6xx_gpu->has_whereami) return a6xx_gpu->shadow[ring->id]; return ring->memptrs->rptr = gpu_read(gpu, REG_A6XX_CP_RB_RPTR); } static bool a6xx_progress(struct msm_gpu *gpu, struct msm_ringbuffer *ring) { struct msm_cp_state cp_state = { .ib1_base = gpu_read64(gpu, REG_A6XX_CP_IB1_BASE), .ib2_base = gpu_read64(gpu, REG_A6XX_CP_IB2_BASE), .ib1_rem = gpu_read(gpu, REG_A6XX_CP_IB1_REM_SIZE), .ib2_rem = gpu_read(gpu, REG_A6XX_CP_IB2_REM_SIZE), }; bool progress; /* * Adjust the remaining data to account for what has already been * fetched from memory, but not yet consumed by the SQE. * * This is not *technically* correct, the amount buffered could * exceed the IB size due to hw prefetching ahead, but: * * (1) We aren't trying to find the exact position, just whether * progress has been made * (2) The CP_REG_TO_MEM at the end of a submit should be enough * to prevent prefetching into an unrelated submit. (And * either way, at some point the ROQ will be full.) */ cp_state.ib1_rem += gpu_read(gpu, REG_A6XX_CP_ROQ_AVAIL_IB1) >> 16; cp_state.ib2_rem += gpu_read(gpu, REG_A6XX_CP_ROQ_AVAIL_IB2) >> 16; progress = !!memcmp(&cp_state, &ring->last_cp_state, sizeof(cp_state)); ring->last_cp_state = cp_state; return progress; } static u32 fuse_to_supp_hw(const struct adreno_info *info, u32 fuse) { if (!info->speedbins) return UINT_MAX; for (int i = 0; info->speedbins[i].fuse != SHRT_MAX; i++) if (info->speedbins[i].fuse == fuse) return BIT(info->speedbins[i].speedbin); return UINT_MAX; } static int a6xx_set_supported_hw(struct device *dev, const struct adreno_info *info) { u32 supp_hw; u32 speedbin; int ret; ret = adreno_read_speedbin(dev, &speedbin); /* * -ENOENT means that the platform doesn't support speedbin which is * fine */ if (ret == -ENOENT) { return 0; } else if (ret) { dev_err_probe(dev, ret, "failed to read speed-bin. Some OPPs may not be supported by hardware\n"); return ret; } supp_hw = fuse_to_supp_hw(info, speedbin); if (supp_hw == UINT_MAX) { DRM_DEV_ERROR(dev, "missing support for speed-bin: %u. Some OPPs may not be supported by hardware\n", speedbin); supp_hw = BIT(0); /* Default */ } ret = devm_pm_opp_set_supported_hw(dev, &supp_hw, 1); if (ret) return ret; return 0; } static const struct adreno_gpu_funcs funcs = { .base = { .get_param = adreno_get_param, .set_param = adreno_set_param, .hw_init = a6xx_hw_init, .ucode_load = a6xx_ucode_load, .pm_suspend = a6xx_gmu_pm_suspend, .pm_resume = a6xx_gmu_pm_resume, .recover = a6xx_recover, .submit = a6xx_submit, .active_ring = a6xx_active_ring, .irq = a6xx_irq, .destroy = a6xx_destroy, #if defined(CONFIG_DRM_MSM_GPU_STATE) .show = a6xx_show, #endif .gpu_busy = a6xx_gpu_busy, .gpu_get_freq = a6xx_gmu_get_freq, .gpu_set_freq = a6xx_gpu_set_freq, #if defined(CONFIG_DRM_MSM_GPU_STATE) .gpu_state_get = a6xx_gpu_state_get, .gpu_state_put = a6xx_gpu_state_put, #endif .create_address_space = a6xx_create_address_space, .create_private_address_space = a6xx_create_private_address_space, .get_rptr = a6xx_get_rptr, .progress = a6xx_progress, }, .get_timestamp = a6xx_gmu_get_timestamp, }; static const struct adreno_gpu_funcs funcs_gmuwrapper = { .base = { .get_param = adreno_get_param, .set_param = adreno_set_param, .hw_init = a6xx_hw_init, .ucode_load = a6xx_ucode_load, .pm_suspend = a6xx_pm_suspend, .pm_resume = a6xx_pm_resume, .recover = a6xx_recover, .submit = a6xx_submit, .active_ring = a6xx_active_ring, .irq = a6xx_irq, .destroy = a6xx_destroy, #if defined(CONFIG_DRM_MSM_GPU_STATE) .show = a6xx_show, #endif .gpu_busy = a6xx_gpu_busy, #if defined(CONFIG_DRM_MSM_GPU_STATE) .gpu_state_get = a6xx_gpu_state_get, .gpu_state_put = a6xx_gpu_state_put, #endif .create_address_space = a6xx_create_address_space, .create_private_address_space = a6xx_create_private_address_space, .get_rptr = a6xx_get_rptr, .progress = a6xx_progress, }, .get_timestamp = a6xx_get_timestamp, }; static const struct adreno_gpu_funcs funcs_a7xx = { .base = { .get_param = adreno_get_param, .set_param = adreno_set_param, .hw_init = a6xx_hw_init, .ucode_load = a6xx_ucode_load, .pm_suspend = a6xx_gmu_pm_suspend, .pm_resume = a6xx_gmu_pm_resume, .recover = a6xx_recover, .submit = a7xx_submit, .active_ring = a6xx_active_ring, .irq = a6xx_irq, .destroy = a6xx_destroy, #if defined(CONFIG_DRM_MSM_GPU_STATE) .show = a6xx_show, #endif .gpu_busy = a6xx_gpu_busy, .gpu_get_freq = a6xx_gmu_get_freq, .gpu_set_freq = a6xx_gpu_set_freq, #if defined(CONFIG_DRM_MSM_GPU_STATE) .gpu_state_get = a6xx_gpu_state_get, .gpu_state_put = a6xx_gpu_state_put, #endif .create_address_space = a6xx_create_address_space, .create_private_address_space = a6xx_create_private_address_space, .get_rptr = a6xx_get_rptr, .progress = a6xx_progress, }, .get_timestamp = a6xx_gmu_get_timestamp, }; struct msm_gpu *a6xx_gpu_init(struct drm_device *dev) { struct msm_drm_private *priv = dev->dev_private; struct platform_device *pdev = priv->gpu_pdev; struct adreno_platform_config *config = pdev->dev.platform_data; struct device_node *node; struct a6xx_gpu *a6xx_gpu; struct adreno_gpu *adreno_gpu; struct msm_gpu *gpu; extern int enable_preemption; bool is_a7xx; int ret; a6xx_gpu = kzalloc(sizeof(*a6xx_gpu), GFP_KERNEL); if (!a6xx_gpu) return ERR_PTR(-ENOMEM); adreno_gpu = &a6xx_gpu->base; gpu = &adreno_gpu->base; mutex_init(&a6xx_gpu->gmu.lock); adreno_gpu->registers = NULL; /* Check if there is a GMU phandle and set it up */ node = of_parse_phandle(pdev->dev.of_node, "qcom,gmu", 0); /* FIXME: How do we gracefully handle this? */ BUG_ON(!node); adreno_gpu->gmu_is_wrapper = of_device_is_compatible(node, "qcom,adreno-gmu-wrapper"); adreno_gpu->base.hw_apriv = !!(config->info->quirks & ADRENO_QUIRK_HAS_HW_APRIV); /* gpu->info only gets assigned in adreno_gpu_init() */ is_a7xx = config->info->family == ADRENO_7XX_GEN1 || config->info->family == ADRENO_7XX_GEN2 || config->info->family == ADRENO_7XX_GEN3; a6xx_llc_slices_init(pdev, a6xx_gpu, is_a7xx); ret = a6xx_set_supported_hw(&pdev->dev, config->info); if (ret) { a6xx_llc_slices_destroy(a6xx_gpu); kfree(a6xx_gpu); return ERR_PTR(ret); } if ((enable_preemption == 1) || (enable_preemption == -1 && (config->info->quirks & ADRENO_QUIRK_PREEMPTION))) ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_a7xx, 4); else if (is_a7xx) ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_a7xx, 1); else if (adreno_has_gmu_wrapper(adreno_gpu)) ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs_gmuwrapper, 1); else ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1); if (ret) { a6xx_destroy(&(a6xx_gpu->base.base)); return ERR_PTR(ret); } /* * For now only clamp to idle freq for devices where this is known not * to cause power supply issues: */ if (adreno_is_a618(adreno_gpu) || adreno_is_7c3(adreno_gpu)) priv->gpu_clamp_to_idle = true; if (adreno_has_gmu_wrapper(adreno_gpu)) ret = a6xx_gmu_wrapper_init(a6xx_gpu, node); else ret = a6xx_gmu_init(a6xx_gpu, node); of_node_put(node); if (ret) { a6xx_destroy(&(a6xx_gpu->base.base)); return ERR_PTR(ret); } if (adreno_is_a7xx(adreno_gpu)) { ret = a7xx_cx_mem_init(a6xx_gpu); if (ret) { a6xx_destroy(&(a6xx_gpu->base.base)); return ERR_PTR(ret); } } if (gpu->aspace) msm_mmu_set_fault_handler(gpu->aspace->mmu, gpu, a6xx_fault_handler); a6xx_calc_ubwc_config(adreno_gpu); /* Set up the preemption specific bits and pieces for each ringbuffer */ a6xx_preempt_init(gpu); return gpu; }