From 72907bff3bd346ef4879bd1dfc89ba12133da368 Mon Sep 17 00:00:00 2001 From: David Zhang Date: Thu, 31 Mar 2022 11:55:49 -0400 Subject: drm: add PSR2 support and capability definition as per eDP 1.5 [why & how] As per eDP 1.5 spec, add the below two DPCD bit fields for PSR-SU support and capability: 1. DP_PSR2_WITH_Y_COORD_ET_SUPPORTED 2. DP_PSR2_SU_AUX_FRAME_SYNC_NOT_NEEDED changes in v2 ------------------ * fixed the typo * explicitly list what DPCD bit fields are added Signed-off-by: David Zhang Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- include/drm/dp/drm_dp_helper.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/drm/dp/drm_dp_helper.h b/include/drm/dp/drm_dp_helper.h index 51e02cf75277..77a27b1b98a6 100644 --- a/include/drm/dp/drm_dp_helper.h +++ b/include/drm/dp/drm_dp_helper.h @@ -361,6 +361,7 @@ struct drm_panel; # define DP_PSR_IS_SUPPORTED 1 # define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */ # define DP_PSR2_WITH_Y_COORD_IS_SUPPORTED 3 /* eDP 1.4a */ +# define DP_PSR2_WITH_Y_COORD_ET_SUPPORTED 4 /* eDP 1.5, adopted eDP 1.4b SCR */ #define DP_PSR_CAPS 0x071 /* XXX 1.2? */ # define DP_PSR_NO_TRAIN_ON_EXIT 1 @@ -375,6 +376,7 @@ struct drm_panel; # define DP_PSR_SETUP_TIME_SHIFT 1 # define DP_PSR2_SU_Y_COORDINATE_REQUIRED (1 << 4) /* eDP 1.4a */ # define DP_PSR2_SU_GRANULARITY_REQUIRED (1 << 5) /* eDP 1.4b */ +# define DP_PSR2_SU_AUX_FRAME_SYNC_NOT_NEEDED (1 << 6)/* eDP 1.5, adopted eDP 1.4b SCR */ #define DP_PSR2_SU_X_GRANULARITY 0x072 /* eDP 1.4b */ #define DP_PSR2_SU_Y_GRANULARITY 0x074 /* eDP 1.4b */ -- cgit v1.2.3