Commit 897d29ce authored by Jouni Högander's avatar Jouni Högander
Browse files

drm/i915/psr: Check panel ALPM capability for eDP Panel Replay 



Our HW doesn't support Panel Replay without AUX_LESS ALPM on eDP. Check
panel support for this and prevent eDP panel replay if it doesn't exits.

Bspec: 68920

v3: remove excessive parens
v2: use intel_alpm_aux_less_wake_supported

Signed-off-by: default avatarJouni Högander <jouni.hogander@intel.com>
Reviewed-by: default avatarAnimesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619062131.4021196-2-jouni.hogander@intel.com
parent a441c0ac

drivers/gpu/drm/i915/display/intel_psr.c

+7 −0
Original line number Diff line number Diff line
@@ -571,6 +571,13 @@ static void _panel_replay_init_dpcd(struct intel_dp *intel_dp) 
{

	struct drm_i915_private *i915 = dp_to_i915(intel_dp);



	if (intel_dp_is_edp(intel_dp) &&

	    !intel_alpm_aux_less_wake_supported(intel_dp)) {

		drm_dbg_kms(&i915->drm,

			    "Panel doesn't support AUX-less ALPM, eDP Panel Replay not possible\n");

		return;

	}



	intel_dp->psr.sink_panel_replay_support = true;



	if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_SU_SUPPORT)