From: Ankit Nautiyal Date: Wed, 27 May 2026 04:10:44 +0000 (+0530) Subject: drm/i915/psr: Program Panel Replay CONFIG3 using AS SDP transmission time X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c3ea3fd4b4cf2dc321c7abbd81b7340577d0b4ee;p=thirdparty%2Flinux.git drm/i915/psr: Program Panel Replay CONFIG3 using AS SDP transmission time Panel Replay requires the AS SDP transmission time to be written into PANEL_REPLAY_CONFIG3. This field was previously not programmed. Use the AS SDP transmission-time helper to populate CONFIG3. Signed-off-by: Ankit Nautiyal Reviewed-by: Ville Syrjälä Link: https://patch.msgid.link/20260527041050.601735-7-ankit.k.nautiyal@intel.com --- diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index ebacd3e74ad88..e138982dc91f6 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -794,6 +794,7 @@ static void _panel_replay_enable_sink(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { u8 panel_replay_config[2]; + u8 panel_replay_config_3; panel_replay_config[0] = DP_PANEL_REPLAY_ENABLE | DP_PANEL_REPLAY_VSC_SDP_CRC_EN | @@ -801,7 +802,6 @@ static void _panel_replay_enable_sink(struct intel_dp *intel_dp, DP_PANEL_REPLAY_RFB_STORAGE_ERROR_EN | DP_PANEL_REPLAY_ACTIVE_FRAME_CRC_ERROR_EN; panel_replay_config[1] = DP_PANEL_REPLAY_CRC_VERIFICATION; - if (crtc_state->has_sel_update) panel_replay_config[0] |= DP_PANEL_REPLAY_SU_ENABLE; @@ -814,6 +814,9 @@ static void _panel_replay_enable_sink(struct intel_dp *intel_dp, drm_dp_dpcd_write(&intel_dp->aux, PANEL_REPLAY_CONFIG, panel_replay_config, sizeof(panel_replay_config)); + + panel_replay_config_3 = intel_dp_as_sdp_transmission_time(); + drm_dp_dpcd_writeb(&intel_dp->aux, PANEL_REPLAY_CONFIG3, panel_replay_config_3); } static void _psr_enable_sink(struct intel_dp *intel_dp,