diff options
| author | Jouni Högander <jouni.hogander@intel.com> | 2024-06-19 09:21:24 +0300 |
|---|---|---|
| committer | Jouni Högander <jouni.hogander@intel.com> | 2024-06-25 08:25:36 +0300 |
| commit | 5d9993f88378a68458af101bfda82754d80fb33f (patch) | |
| tree | 0a8beb66c828fec36b3748c3f0e977e085fef44c /drivers/gpu/drm/i915/display/intel_psr.c | |
| parent | 67cf05473704e926d2b5302a68433a6aefde6fc5 (diff) | |
drm/i915/psr: Check panel Early Transport capability for eDP PR
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
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 253888c7ea1d..8e367a4f4da3 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -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; |