Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a78fe133 authored by Alex Deucher's avatar Alex Deucher
Browse files

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



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

Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f81eb1a3

drivers/gpu/drm/amd/amdgpu/amdgpu.h

+2 −0
Original line number Diff line number Diff line
@@ -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



/*

drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c

+4 −0
Original line number Diff line number Diff line
@@ -64,6 +64,10 @@ bool amdgpu_has_atpx(void) { 
	return amdgpu_atpx_priv.atpx_detected;

}



bool amdgpu_has_atpx_dgpu_power_cntl(void) {

	return amdgpu_atpx_priv.atpx.functions.power_cntl;

}



/**

 * amdgpu_atpx_call - call an ATPX method

 *