diff options
-rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/msm_gpu.c | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/msm_gpu.h | 4 |
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index aa2ec9861361..2ea5fb332df5 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -10,6 +10,7 @@ #include <linux/bitfield.h> #include <linux/devfreq.h> +#include <linux/reset.h> #include <linux/soc/qcom/llcc-qcom.h> #define GPU_PAS_ID 13 @@ -1297,6 +1298,9 @@ static void a6xx_recover(struct msm_gpu *gpu) /* And the final one from recover worker */ pm_runtime_put_sync(&gpu->pdev->dev); + /* Call into gpucc driver to poll for cx gdsc collapse */ + reset_control_reset(gpu->cx_collapse); + pm_runtime_use_autosuspend(&gpu->pdev->dev); if (active_submits) diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 9ec9a99ffe77..0098ee8438aa 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -16,6 +16,7 @@ #include <generated/utsrelease.h> #include <linux/string_helpers.h> #include <linux/devcoredump.h> +#include <linux/reset.h> #include <linux/sched/task.h> /* @@ -903,6 +904,9 @@ int msm_gpu_init(struct drm_device *drm, struct platform_device *pdev, if (IS_ERR(gpu->gpu_cx)) gpu->gpu_cx = NULL; + gpu->cx_collapse = devm_reset_control_get_optional_exclusive(&pdev->dev, + "cx_collapse"); + gpu->pdev = pdev; platform_set_drvdata(pdev, &gpu->adreno_smmu); diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index a0885ff99e5b..ff911e7305ce 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -13,6 +13,7 @@ #include <linux/interconnect.h> #include <linux/pm_opp.h> #include <linux/regulator/consumer.h> +#include <linux/reset.h> #include "msm_drv.h" #include "msm_fence.h" @@ -271,6 +272,9 @@ struct msm_gpu { bool hw_apriv; struct thermal_cooling_device *cooling; + + /* To poll for cx gdsc collapse during gpu recovery */ + struct reset_control *cx_collapse; }; static inline struct msm_gpu *dev_to_gpu(struct device *dev) |