Commit 89fcdf43 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915/pps: Don't apply quirks/etc. to the VBT PPS delays if they haven't been initialized 



Skip QUIRK_INCREASE_T12_DELAY and the t11_t12 adjustment of the
VBT PPS delays if we've not yet initialized them. Will be important
later when the PPS delay init can happen before VBT parsing.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220510104242.6099-6-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 60b02a09

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

+3 −0
Original line number Diff line number Diff line
@@ -1184,6 +1184,9 @@ static void pps_init_delays_vbt(struct intel_dp *intel_dp, 


	*vbt = dev_priv->vbt.edp.pps;



	if (!pps_delays_valid(vbt))

		return;



	/* On Toshiba Satellite P50-C-18C system the VBT T12 delay

	 * of 500ms appears to be too short. Ocassionally the panel

	 * just fails to power back on. Increasing the delay to 800ms