| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jordan Crouse | 4337 | 95.91% | 13 | 59.09% |
| Sharat Masetty | 128 | 2.83% | 2 | 9.09% |
| Sean Paul | 26 | 0.57% | 2 | 9.09% |
| Rob Clark | 19 | 0.42% | 2 | 9.09% |
| Akhil P Oommen | 9 | 0.20% | 1 | 4.55% |
| Mamta Shukla | 2 | 0.04% | 1 | 4.55% |
| Thomas Zimmermann | 1 | 0.02% | 1 | 4.55% |
| Total | 4522 | 22 |
// 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 <linux/devfreq.h> #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 (!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); } 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 a6xx_flush(struct msm_gpu *gpu, struct msm_ringbuffer *ring) { uint32_t wptr; unsigned long flags; spin_lock_irqsave(&ring->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); spin_unlock_irqrestore(&ring->lock, flags); /* Make sure everything is posted before making a decision */ mb(); gpu_write(gpu, REG_A6XX_CP_RB_WPTR, wptr); } static void get_stats_counter(struct msm_ringbuffer *ring, u32 counter, u64 iova) { OUT_PKT7(ring, CP_REG_TO_MEM, 3); OUT_RING(ring, counter | (1 << 30) | (2 << 18)); OUT_RING(ring, lower_32_bits(iova)); OUT_RING(ring, upper_32_bits(iova)); } static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, struct msm_file_private *ctx) { unsigned int index = submit->seqno % MSM_GPU_SUBMIT_STATS_COUNT; struct msm_drm_private *priv = gpu->dev->dev_private; 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; get_stats_counter(ring, REG_A6XX_RBBM_PERFCTR_CP_0_LO, 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_GMU_ALWAYS_ON_COUNTER_L + 0x1a800, rbmemptr_stats(ring, index, alwayson_start)); /* Invalidate CCU depth and color */ OUT_PKT7(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, PC_CCU_INVALIDATE_DEPTH); OUT_PKT7(ring, CP_EVENT_WRITE, 1); OUT_RING(ring, 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 (priv->lastctx == ctx) break; /* fall-thru */ 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); break; } } get_stats_counter(ring, REG_A6XX_RBBM_PERFCTR_CP_0_LO, rbmemptr_stats(ring, index, cpcycles_end)); get_stats_counter(ring, REG_A6XX_GMU_ALWAYS_ON_COUNTER_L + 0x1a800, 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, CACHE_FLUSH_TS | (1 << 31)); 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, gmu_read64(&a6xx_gpu->gmu, REG_A6XX_GMU_ALWAYS_ON_COUNTER_L, REG_A6XX_GMU_ALWAYS_ON_COUNTER_H)); a6xx_flush(gpu, ring); } static const struct { u32 offset; u32 value; } a6xx_hwcg[] = { {REG_A6XX_RBBM_CLOCK_CNTL_SP0, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL_SP1, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL_SP2, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL_SP3, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL2_SP0, 0x02022220}, {REG_A6XX_RBBM_CLOCK_CNTL2_SP1, 0x02022220}, {REG_A6XX_RBBM_CLOCK_CNTL2_SP2, 0x02022220}, {REG_A6XX_RBBM_CLOCK_CNTL2_SP3, 0x02022220}, {REG_A6XX_RBBM_CLOCK_DELAY_SP0, 0x00000080}, {REG_A6XX_RBBM_CLOCK_DELAY_SP1, 0x00000080}, {REG_A6XX_RBBM_CLOCK_DELAY_SP2, 0x00000080}, {REG_A6XX_RBBM_CLOCK_DELAY_SP3, 0x00000080}, {REG_A6XX_RBBM_CLOCK_HYST_SP0, 0x0000f3cf}, {REG_A6XX_RBBM_CLOCK_HYST_SP1, 0x0000f3cf}, {REG_A6XX_RBBM_CLOCK_HYST_SP2, 0x0000f3cf}, {REG_A6XX_RBBM_CLOCK_HYST_SP3, 0x0000f3cf}, {REG_A6XX_RBBM_CLOCK_CNTL_TP0, 0x02222222}, {REG_A6XX_RBBM_CLOCK_CNTL_TP1, 0x02222222}, {REG_A6XX_RBBM_CLOCK_CNTL_TP2, 0x02222222}, {REG_A6XX_RBBM_CLOCK_CNTL_TP3, 0x02222222}, {REG_A6XX_RBBM_CLOCK_CNTL2_TP0, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL2_TP1, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL2_TP2, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL2_TP3, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL3_TP0, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL3_TP1, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL3_TP2, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL3_TP3, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL4_TP0, 0x00022222}, {REG_A6XX_RBBM_CLOCK_CNTL4_TP1, 0x00022222}, {REG_A6XX_RBBM_CLOCK_CNTL4_TP2, 0x00022222}, {REG_A6XX_RBBM_CLOCK_CNTL4_TP3, 0x00022222}, {REG_A6XX_RBBM_CLOCK_HYST_TP0, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST_TP1, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST_TP2, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST_TP3, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST2_TP0, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST2_TP1, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST2_TP2, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST2_TP3, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST3_TP0, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST3_TP1, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST3_TP2, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST3_TP3, 0x77777777}, {REG_A6XX_RBBM_CLOCK_HYST4_TP0, 0x00077777}, {REG_A6XX_RBBM_CLOCK_HYST4_TP1, 0x00077777}, {REG_A6XX_RBBM_CLOCK_HYST4_TP2, 0x00077777}, {REG_A6XX_RBBM_CLOCK_HYST4_TP3, 0x00077777}, {REG_A6XX_RBBM_CLOCK_DELAY_TP0, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY_TP1, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY_TP2, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY_TP3, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY2_TP0, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY2_TP1, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY2_TP2, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY2_TP3, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY3_TP0, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY3_TP1, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY3_TP2, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY3_TP3, 0x11111111}, {REG_A6XX_RBBM_CLOCK_DELAY4_TP0, 0x00011111}, {REG_A6XX_RBBM_CLOCK_DELAY4_TP1, 0x00011111}, {REG_A6XX_RBBM_CLOCK_DELAY4_TP2, 0x00011111}, {REG_A6XX_RBBM_CLOCK_DELAY4_TP3, 0x00011111}, {REG_A6XX_RBBM_CLOCK_CNTL_UCHE, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL2_UCHE, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL3_UCHE, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL4_UCHE, 0x00222222}, {REG_A6XX_RBBM_CLOCK_HYST_UCHE, 0x00000004}, {REG_A6XX_RBBM_CLOCK_DELAY_UCHE, 0x00000002}, {REG_A6XX_RBBM_CLOCK_CNTL_RB0, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL_RB1, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL_RB2, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL_RB3, 0x22222222}, {REG_A6XX_RBBM_CLOCK_CNTL2_RB0, 0x00002222}, {REG_A6XX_RBBM_CLOCK_CNTL2_RB1, 0x00002222}, {REG_A6XX_RBBM_CLOCK_CNTL2_RB2, 0x00002222}, {REG_A6XX_RBBM_CLOCK_CNTL2_RB3, 0x00002222}, {REG_A6XX_RBBM_CLOCK_CNTL_CCU0, 0x00002220}, {REG_A6XX_RBBM_CLOCK_CNTL_CCU1, 0x00002220}, {REG_A6XX_RBBM_CLOCK_CNTL_CCU2, 0x00002220}, {REG_A6XX_RBBM_CLOCK_CNTL_CCU3, 0x00002220}, {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU0, 0x00040f00}, {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU1, 0x00040f00}, {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU2, 0x00040f00}, {REG_A6XX_RBBM_CLOCK_HYST_RB_CCU3, 0x00040f00}, {REG_A6XX_RBBM_CLOCK_CNTL_RAC, 0x05022022}, {REG_A6XX_RBBM_CLOCK_CNTL2_RAC, 0x00005555}, {REG_A6XX_RBBM_CLOCK_DELAY_RAC, 0x00000011}, {REG_A6XX_RBBM_CLOCK_HYST_RAC, 0x00445044}, {REG_A6XX_RBBM_CLOCK_CNTL_TSE_RAS_RBBM, 0x04222222}, {REG_A6XX_RBBM_CLOCK_MODE_GPC, 0x00222222}, {REG_A6XX_RBBM_CLOCK_MODE_VFD, 0x00002222}, {REG_A6XX_RBBM_CLOCK_HYST_TSE_RAS_RBBM, 0x00000000}, {REG_A6XX_RBBM_CLOCK_HYST_GPC, 0x04104004}, {REG_A6XX_RBBM_CLOCK_HYST_VFD, 0x00000000}, {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ, 0x00000000}, {REG_A6XX_RBBM_CLOCK_DELAY_TSE_RAS_RBBM, 0x00004000}, {REG_A6XX_RBBM_CLOCK_DELAY_GPC, 0x00000200}, {REG_A6XX_RBBM_CLOCK_DELAY_VFD, 0x00002222}, {REG_A6XX_RBBM_CLOCK_DELAY_HLSQ_2, 0x00000002}, {REG_A6XX_RBBM_CLOCK_MODE_HLSQ, 0x00002222}, {REG_A6XX_RBBM_CLOCK_CNTL_GMU_GX, 0x00000222}, {REG_A6XX_RBBM_CLOCK_DELAY_GMU_GX, 0x00000111}, {REG_A6XX_RBBM_CLOCK_HYST_GMU_GX, 0x00000555} }; 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; unsigned int i; u32 val; 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 == 0x8aa8aa02))) return; /* Disable SP clock before programming HWCG registers */ gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 1, 0); for (i = 0; i < ARRAY_SIZE(a6xx_hwcg); i++) gpu_write(gpu, a6xx_hwcg[i].offset, state ? a6xx_hwcg[i].value : 0); /* Enable SP clock */ gmu_rmw(gmu, REG_A6XX_GPU_GMU_GX_SPTPRAC_CLOCK_CONTROL, 0, 1); gpu_write(gpu, REG_A6XX_RBBM_CLOCK_CNTL, state ? 0x8aa8aa02 : 0); } 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 a6xx_ucode_init(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"); } gpu_write64(gpu, REG_A6XX_CP_SQE_INSTR_BASE_LO, REG_A6XX_CP_SQE_INSTR_BASE_HI, a6xx_gpu->sqe_iova); 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) 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; /* Make sure the GMU keeps the GPU on while we set it up */ a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_CNTL, 0); /* * 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_LO, REG_A6XX_RBBM_SECVID_TSB_TRUSTED_BASE_HI, 0x00000000); gpu_write(gpu, REG_A6XX_RBBM_SECVID_TSB_TRUSTED_SIZE, 0x00000000); /* 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 * For now enable clock gating only for a630 */ if (adreno_is_a630(adreno_gpu)) a6xx_set_hwcg(gpu, true); /* VBIF/GBIF start*/ 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); /* 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 */ gpu_write(gpu, REG_A6XX_UCHE_WRITE_RANGE_MAX_LO, 0xffffffc0); gpu_write(gpu, REG_A6XX_UCHE_WRITE_RANGE_MAX_HI, 0x0001ffff); gpu_write(gpu, REG_A6XX_UCHE_TRAP_BASE_LO, 0xfffff000); gpu_write(gpu, REG_A6XX_UCHE_TRAP_BASE_HI, 0x0001ffff); gpu_write(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE_LO, 0xfffff000); gpu_write(gpu, REG_A6XX_UCHE_WRITE_THRU_BASE_HI, 0x0001ffff); /* Set the GMEM VA range [0x100000:0x100000 + gpu->gmem - 1] */ gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MIN_LO, REG_A6XX_UCHE_GMEM_RANGE_MIN_HI, 0x00100000); gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MAX_LO, REG_A6XX_UCHE_GMEM_RANGE_MAX_HI, 0x00100000 + adreno_gpu->gmem - 1); gpu_write(gpu, REG_A6XX_UCHE_FILTER_CNTL, 0x804); gpu_write(gpu, REG_A6XX_UCHE_CACHE_WAYS, 0x4); gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2, 0x010000c0); gpu_write(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_1, 0x8040362c); /* Setting the mem pool size */ gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128); /* Setting the primFifo thresholds default values */ gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, (0x300 << 11)); /* 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); /* Select CP0 to always count cycles */ gpu_write(gpu, REG_A6XX_CP_PERFCTR_CP_SEL_0, PERF_CP_ALWAYS_COUNT); if (adreno_is_a630(adreno_gpu)) { gpu_write(gpu, REG_A6XX_RB_NC_MODE_CNTL, 2 << 1); gpu_write(gpu, REG_A6XX_TPL1_NC_MODE_CNTL, 2 << 1); gpu_write(gpu, REG_A6XX_SP_NC_MODE_CNTL, 2 << 1); gpu_write(gpu, REG_A6XX_UCHE_MODE_CNTL, 2 << 21); } /* Enable fault detection */ gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x1fffff); gpu_write(gpu, REG_A6XX_UCHE_CLIENT_PF, 1); /* Protect registers from the CP */ gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL, 0x00000003); gpu_write(gpu, REG_A6XX_CP_PROTECT(0), A6XX_PROTECT_RDONLY(0x600, 0x51)); gpu_write(gpu, REG_A6XX_CP_PROTECT(1), A6XX_PROTECT_RW(0xae50, 0x2)); gpu_write(gpu, REG_A6XX_CP_PROTECT(2), A6XX_PROTECT_RW(0x9624, 0x13)); gpu_write(gpu, REG_A6XX_CP_PROTECT(3), A6XX_PROTECT_RW(0x8630, 0x8)); gpu_write(gpu, REG_A6XX_CP_PROTECT(4), A6XX_PROTECT_RW(0x9e70, 0x1)); gpu_write(gpu, REG_A6XX_CP_PROTECT(5), A6XX_PROTECT_RW(0x9e78, 0x187)); gpu_write(gpu, REG_A6XX_CP_PROTECT(6), A6XX_PROTECT_RW(0xf000, 0x810)); gpu_write(gpu, REG_A6XX_CP_PROTECT(7), A6XX_PROTECT_RDONLY(0xfc00, 0x3)); gpu_write(gpu, REG_A6XX_CP_PROTECT(8), A6XX_PROTECT_RW(0x50e, 0x0)); gpu_write(gpu, REG_A6XX_CP_PROTECT(9), A6XX_PROTECT_RDONLY(0x50f, 0x0)); gpu_write(gpu, REG_A6XX_CP_PROTECT(10), A6XX_PROTECT_RW(0x510, 0x0)); gpu_write(gpu, REG_A6XX_CP_PROTECT(11), A6XX_PROTECT_RDONLY(0x0, 0x4f9)); gpu_write(gpu, REG_A6XX_CP_PROTECT(12), A6XX_PROTECT_RDONLY(0x501, 0xa)); gpu_write(gpu, REG_A6XX_CP_PROTECT(13), A6XX_PROTECT_RDONLY(0x511, 0x44)); gpu_write(gpu, REG_A6XX_CP_PROTECT(14), A6XX_PROTECT_RW(0xe00, 0xe)); gpu_write(gpu, REG_A6XX_CP_PROTECT(15), A6XX_PROTECT_RW(0x8e00, 0x0)); gpu_write(gpu, REG_A6XX_CP_PROTECT(16), A6XX_PROTECT_RW(0x8e50, 0xf)); gpu_write(gpu, REG_A6XX_CP_PROTECT(17), A6XX_PROTECT_RW(0xbe02, 0x0)); gpu_write(gpu, REG_A6XX_CP_PROTECT(18), A6XX_PROTECT_RW(0xbe20, 0x11f3)); gpu_write(gpu, REG_A6XX_CP_PROTECT(19), A6XX_PROTECT_RW(0x800, 0x82)); gpu_write(gpu, REG_A6XX_CP_PROTECT(20), A6XX_PROTECT_RW(0x8a0, 0x8)); gpu_write(gpu, REG_A6XX_CP_PROTECT(21), A6XX_PROTECT_RW(0x8ab, 0x19)); gpu_write(gpu, REG_A6XX_CP_PROTECT(22), A6XX_PROTECT_RW(0x900, 0x4d)); gpu_write(gpu, REG_A6XX_CP_PROTECT(23), A6XX_PROTECT_RW(0x98d, 0x76)); gpu_write(gpu, REG_A6XX_CP_PROTECT(24), A6XX_PROTECT_RDONLY(0x980, 0x4)); gpu_write(gpu, REG_A6XX_CP_PROTECT(25), A6XX_PROTECT_RW(0xa630, 0x0)); /* Enable interrupts */ gpu_write(gpu, REG_A6XX_RBBM_INT_0_MASK, A6XX_INT_MASK); ret = adreno_hw_init(gpu); if (ret) goto out; ret = a6xx_ucode_init(gpu); if (ret) goto out; /* Always come up on rb 0 */ a6xx_gpu->cur_ring = gpu->rb[0]; /* Enable the SQE_to start the CP engine */ gpu_write(gpu, REG_A6XX_CP_SQE_CNTL, 1); ret = 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: /* * 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); /* Take the GMU out of its special boot mode */ a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_BOOT_SLUMBER); 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); } #define VBIF_RESET_ACK_TIMEOUT 100 #define VBIF_RESET_ACK_MASK 0x00f0 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); int i; 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); /* * Turn off keep alive that might have been enabled by the hang * interrupt */ gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_GMU_PWR_COL_KEEPALIVE, 0); gpu->funcs->pm_suspend(gpu); gpu->funcs->pm_resume(gpu); msm_gpu_hw_init(gpu); } static int a6xx_fault_handler(void *arg, unsigned long iova, int flags) { struct msm_gpu *gpu = arg; pr_warn_ratelimited("*** gpu fault: iova=%08lx, flags=%d (%u,%u,%u,%u)\n", iova, flags, 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))); return -EFAULT; } 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) 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 drm_device *dev = gpu->dev; struct msm_drm_private *priv = dev->dev_private; struct msm_ringbuffer *ring = gpu->funcs->active_ring(gpu); /* * Force the GPU to stay on until after we finish * collecting information */ 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->seqno : 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, REG_A6XX_CP_IB1_BASE_HI), gpu_read(gpu, REG_A6XX_CP_IB1_REM_SIZE), gpu_read64(gpu, REG_A6XX_CP_IB2_BASE, REG_A6XX_CP_IB2_BASE_HI), 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); queue_work(priv->wq, &gpu->recover_work); } static irqreturn_t a6xx_irq(struct msm_gpu *gpu) { u32 status = gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS); gpu_write(gpu, REG_A6XX_RBBM_INT_CLEAR_CMD, status); 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_CP_CACHE_FLUSH_TS) msm_gpu_retire(gpu); return IRQ_HANDLED; } static const u32 a6xx_register_offsets[REG_ADRENO_REGISTER_MAX] = { REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE, REG_A6XX_CP_RB_BASE), REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_BASE_HI, REG_A6XX_CP_RB_BASE_HI), REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR, REG_A6XX_CP_RB_RPTR_ADDR_LO), REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR_ADDR_HI, REG_A6XX_CP_RB_RPTR_ADDR_HI), REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_RPTR, REG_A6XX_CP_RB_RPTR), REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_WPTR, REG_A6XX_CP_RB_WPTR), REG_ADRENO_DEFINE(REG_ADRENO_CP_RB_CNTL, REG_A6XX_CP_RB_CNTL), }; 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); int ret; gpu->needs_hw_init = true; ret = a6xx_gmu_resume(a6xx_gpu); if (ret) return ret; msm_gpu_resume_devfreq(gpu); 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); devfreq_suspend_device(gpu->devfreq.devfreq); return a6xx_gmu_stop(a6xx_gpu); } static int a6xx_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); /* Force the GPU power on so we can read this register */ a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); *value = gpu_read64(gpu, REG_A6XX_RBBM_PERFCTR_CP_0_LO, REG_A6XX_RBBM_PERFCTR_CP_0_HI); a6xx_gmu_clear_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET); 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_unlocked(a6xx_gpu->sqe_bo); } a6xx_gmu_remove(a6xx_gpu); adreno_gpu_cleanup(adreno_gpu); kfree(a6xx_gpu); } static unsigned long a6xx_gpu_busy(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu); u64 busy_cycles, busy_time; 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); busy_time = (busy_cycles - gpu->devfreq.busy_cycles) * 10; do_div(busy_time, 192); gpu->devfreq.busy_cycles = busy_cycles; if (WARN_ON(busy_time > ~0LU)) return ~0LU; return (unsigned long)busy_time; } static const struct adreno_gpu_funcs funcs = { .base = { .get_param = adreno_get_param, .hw_init = a6xx_hw_init, .pm_suspend = a6xx_pm_suspend, .pm_resume = a6xx_pm_resume, .recover = a6xx_recover, .submit = a6xx_submit, .flush = a6xx_flush, .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_gmu_set_freq, #if defined(CONFIG_DRM_MSM_GPU_STATE) .gpu_state_get = a6xx_gpu_state_get, .gpu_state_put = a6xx_gpu_state_put, #endif }, .get_timestamp = a6xx_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 device_node *node; struct a6xx_gpu *a6xx_gpu; struct adreno_gpu *adreno_gpu; struct msm_gpu *gpu; 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; adreno_gpu->registers = NULL; adreno_gpu->reg_offsets = a6xx_register_offsets; ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, 1); if (ret) { a6xx_destroy(&(a6xx_gpu->base.base)); return ERR_PTR(ret); } /* 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); ret = a6xx_gmu_init(a6xx_gpu, node); 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); return gpu; }
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