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drm/i915/psr: Check panel Early Transport capability for eDP PR

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Our HW doesn't support panel replay without Early Transport on eDP.

Bspec: 68920

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619062131.4021196-5-jouni.hogander@intel.com
This commit is contained in:
Jouni Högander 2024-06-19 09:21:24 +03:00
parent 67cf054737
commit 5d9993f883
1 changed files with 12 additions and 5 deletions
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17
drivers/gpu/drm/i915/display/intel_psr.c
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@ -571,11 +571,18 @@ 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;
if (intel_dp_is_edp(intel_dp)) {
if (!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;
}
if (!(intel_dp->pr_dpcd & DP_PANEL_REPLAY_EARLY_TRANSPORT_SUPPORT)) {
drm_dbg_kms(&i915->drm,
"Panel doesn't support early transport, eDP Panel Replay not possible\n");
return;
}
}
intel_dp->psr.sink_panel_replay_support = true;