github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-28 18:21:24 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/i915/psr: Program Panel Replay CONFIG3 using AS SDP transmission time

Browse Source 
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 <ankit.k.nautiyal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260527041050.601735-7-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal 2026-05-27 09:40:44 +05:30
parent 200bf467d4
commit c3ea3fd4b4
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/i915/display/intel_psr.c
View File

@ -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,