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drm/i915/psr: Disable PSR when bigjoiner is used

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Bigjoiner seem to be causing all kinds of grief to the PSR
code currently. I don't believe there is any hardware issue
but the code simply not handling this correctly. For now
just disable PSR when bigjoiner is needed.

Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-3-ville.syrjala@linux.intel.com
Reviewed-by: Arun R Murthy <arun.r.mruthy@intel.com>
Acked-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
This commit is contained in:
Ville Syrjälä 2024-04-05 00:34:26 +03:00
parent bbd62a59f8
commit 372fa0c79d
1 changed files with 11 additions and 0 deletions
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11
drivers/gpu/drm/i915/display/intel_psr.c
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@ -1619,6 +1619,17 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
return;
}
/*
* FIXME figure out what is wrong with PSR+bigjoiner and
* fix it. Presumably something related to the fact that
* PSR is a transcoder level feature.
*/
if (crtc_state->bigjoiner_pipes) {
drm_dbg_kms(&dev_priv->drm,
"PSR disabled due to bigjoiner\n");
return;
}
if (CAN_PANEL_REPLAY(intel_dp))
crtc_state->has_panel_replay = true;