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Commit 4aa5d5eb authored by Lyude Paul's avatar Lyude Paul Committed by Alex Deucher
Browse files

drm/amdgpu: Add amdgpu_atpx_get_dhandle() 



Since it seems that some vendors are storing the ATIF ACPI methods under
the same handle that ATPX lives under instead of the device's own
handle, we're going to need to be able to retrieve this handle later so
we can probe for ATIF there.

Signed-off-by: default avatarLyude Paul <lyude@redhat.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 2cd5fe22

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

+6 −0
Original line number Diff line number Diff line
@@ -1858,6 +1858,12 @@ static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; 
static inline bool amdgpu_has_atpx(void) { return false; }

#endif



#if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)

void *amdgpu_atpx_get_dhandle(void);

#else

static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }

#endif



/*

 * KMS

 */

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

+6 −0
Original line number Diff line number Diff line
@@ -90,6 +90,12 @@ bool amdgpu_atpx_dgpu_req_power_for_displays(void) { 
	return amdgpu_atpx_priv.atpx.dgpu_req_power_for_displays;

}



#if defined(CONFIG_ACPI)

void *amdgpu_atpx_get_dhandle(void) {

	return amdgpu_atpx_priv.dhandle;

}

#endif



/**

 * amdgpu_atpx_call - call an ATPX method

 *