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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c9
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 44255cb..9d79e4b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -2450,11 +2450,13 @@ void amdgpu_register_atpx_handler(void);
void amdgpu_unregister_atpx_handler(void);
bool amdgpu_has_atpx_dgpu_power_cntl(void);
bool amdgpu_is_atpx_hybrid(void);
+bool amdgpu_atpx_dgpu_req_power_for_displays(void);
#else
static inline void amdgpu_register_atpx_handler(void) {}
static inline void amdgpu_unregister_atpx_handler(void) {}
static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
+static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
#endif
/*
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
index 49de926..550c5ee 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
@@ -29,6 +29,7 @@ struct amdgpu_atpx {
acpi_handle handle;
struct amdgpu_atpx_functions functions;
bool is_hybrid;
+ bool dgpu_req_power_for_displays;
};
static struct amdgpu_atpx_priv {
@@ -73,6 +74,10 @@ bool amdgpu_is_atpx_hybrid(void) {
return amdgpu_atpx_priv.atpx.is_hybrid;
}
+bool amdgpu_atpx_dgpu_req_power_for_displays(void) {
+ return amdgpu_atpx_priv.atpx.dgpu_req_power_for_displays;
+}
+
/**
* amdgpu_atpx_call - call an ATPX method
*
@@ -213,6 +218,10 @@ static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx)
atpx->is_hybrid = true;
}
+ atpx->dgpu_req_power_for_displays = false;
+ if (valid_bits & ATPX_DGPU_REQ_POWER_FOR_DISPLAYS)
+ atpx->dgpu_req_power_for_displays = true;
+
return 0;
}