Commit 372fa0c7 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

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

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: default avatarArun R Murthy <arun.r.mruthy@intel.com>
Acked-by: default avatarJouni Högander <jouni.hogander@intel.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
parent bbd62a59

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

+11 −0
Original line number Diff line number Diff line
@@ -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;