Commit 90a24b9d authored by José Roberto de Souza's avatar José Roberto de Souza
Browse files

drm/i915/display: Ignore IGNORE_PSR2_HW_TRACKING for platforms without sel fetch 



For platforms without selective fetch this register is reserved so
do not write 0 to it.

Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarJosé Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201007195238.53955-1-jose.souza@intel.com
parent a23fe79a

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

+1 −1
Original line number Diff line number Diff line
@@ -942,7 +942,7 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, 
		intel_de_write(dev_priv, EXITLINE(cpu_transcoder), val);

	}



	if (HAS_PSR_HW_TRACKING(dev_priv))

	if (HAS_PSR_HW_TRACKING(dev_priv) && HAS_PSR2_SEL_FETCH(dev_priv))

		intel_de_rmw(dev_priv, CHICKEN_PAR1_1, IGNORE_PSR2_HW_TRACKING,

			     dev_priv->psr.psr2_sel_fetch_enabled ?

			     IGNORE_PSR2_HW_TRACKING : 0);