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drm/amdgpu/atpx: add a query for ATPX dGPU power control

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The runtime pm sequence is different depending on whether or
not the platform supports ATPX dGPU power control.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2016-06-01 13:08:21 -04:00
parent f81eb1a349
commit a78fe13389
2 changed files with 6 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -2400,9 +2400,11 @@ bool amdgpu_device_is_px(struct drm_device *dev);
#if defined(CONFIG_VGA_SWITCHEROO)
void amdgpu_register_atpx_handler(void);
void amdgpu_unregister_atpx_handler(void);
bool amdgpu_has_atpx_dgpu_power_cntl(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; }
#endif
/*