Updating the mask is needed to clear all the three power state bits before setting the required power state. Also add a comment documenting that D3 Aux-On state has been available DPCD v1.2 onwards. Thanks to Ville for pointing this out.
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com> Cc: Jani Nikula <jani.nik...@intel.com> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandi...@intel.com> --- include/drm/drm_dp_helper.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 9049ef133d69..aea10f85dd4c 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -617,8 +617,8 @@ #define DP_SET_POWER 0x600 # define DP_SET_POWER_D0 0x1 # define DP_SET_POWER_D3 0x2 -# define DP_SET_POWER_MASK 0x3 -# define DP_SET_POWER_D3_AUX_ON 0x5 +# define DP_SET_POWER_D3_AUX_ON 0x5 /* DPCD >= 1.2 */ +# define DP_SET_POWER_MASK 0x7 #define DP_EDP_DPCD_REV 0x700 /* eDP 1.2 */ # define DP_EDP_11 0x00 -- 2.11.0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
