diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/adreno_gpu.c')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 4b5a4edd0702..1c80909e63ca 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -284,6 +284,7 @@ int adreno_fault_handler(struct msm_gpu *gpu, unsigned long iova, int flags, struct adreno_smmu_fault_info *info, const char *block, u32 scratch[4]) { + struct adreno_gpu *adreno_gpu = container_of(gpu, struct adreno_gpu, base); struct msm_drm_private *priv = gpu->dev->dev_private; struct msm_mmu *mmu = to_msm_vm(gpu->vm)->mmu; const char *type = "UNKNOWN"; @@ -336,6 +337,11 @@ int adreno_fault_handler(struct msm_gpu *gpu, unsigned long iova, int flags, /* Turn off the hangcheck timer to keep it from bothering us */ timer_delete(&gpu->hangcheck_timer); + /* Let any concurrent GMU transactions know that the MMU may be + * blocked for a while and they should wait on us. + */ + reinit_completion(&adreno_gpu->fault_coredump_done); + fault_info.ttbr0 = info->ttbr0; fault_info.iova = iova; fault_info.flags = flags; @@ -343,6 +349,8 @@ int adreno_fault_handler(struct msm_gpu *gpu, unsigned long iova, int flags, fault_info.block = block; msm_gpu_fault_crashstate_capture(gpu, &fault_info); + + complete_all(&adreno_gpu->fault_coredump_done); } return 0; @@ -1189,6 +1197,7 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, /* Only handle the core clock when GMU is not in use (or is absent). */ if (adreno_has_gmu_wrapper(adreno_gpu) || + adreno_has_rgmu(adreno_gpu) || adreno_gpu->info->family < ADRENO_6XX_GEN1) { /* * This can only be done before devm_pm_opp_of_add_table(), or @@ -1222,6 +1231,9 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, if (ret) return ret; + init_completion(&adreno_gpu->fault_coredump_done); + complete_all(&adreno_gpu->fault_coredump_done); + pm_runtime_set_autosuspend_delay(dev, adreno_gpu->info->inactive_period); pm_runtime_use_autosuspend(dev); |