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

Commit 58704e6a authored by Jani Nikula's avatar Jani Nikula Committed by Dave Airlie
Browse files

drm/dp: add helper for checking DP_ENHANCED_FRAME_CAP in DPCD 



Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 0111be42

include/drm/drm_dp_helper.h

+7 −0
Original line number Diff line number Diff line
@@ -390,4 +390,11 @@ drm_dp_max_lane_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) 
	return dpcd[DP_MAX_LANE_COUNT] & DP_MAX_LANE_COUNT_MASK;

}



static inline bool

drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])

{

	return dpcd[DP_DPCD_REV] >= 0x11 &&

		(dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP);

}



#endif /* _DRM_DP_HELPER_H_ */