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-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gpu.c4
-rw-r--r--drivers/gpu/drm/msm/msm_gpu.c4
-rw-r--r--drivers/gpu/drm/msm/msm_gpu.h4
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)