drm/i915/rkl: Wa_1408330847 no longer applies to RKL

RKL doesn't have PSR2 support, so PSR2-related workarounds no longer
apply.

Bspec: 53273
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210717051426.4120328-7-matthew.d.roper@intel.com

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

@@ -594,9 +594,8 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
 		val |= EDP_PSR2_SU_SDP_SCANLINE;
 
 	if (intel_dp->psr.psr2_sel_fetch_enabled) {
-		/* WA 1408330847 */
-		if (IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A0) ||
-		    IS_RKL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A0))
+		/* Wa_1408330847 */
+		if (IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A0))
 			intel_de_rmw(dev_priv, CHICKEN_PAR1_1,
 				     DIS_RAM_BYPASS_PSR2_MAN_TRACK,
 				     DIS_RAM_BYPASS_PSR2_MAN_TRACK);
@@ -1345,10 +1344,9 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp)
 	intel_psr_exit(intel_dp);
 	intel_psr_wait_exit_locked(intel_dp);
 
-	/* WA 1408330847 */
+	/* Wa_1408330847 */
 	if (intel_dp->psr.psr2_sel_fetch_enabled &&
-	    (IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A0) ||
-	     IS_RKL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A0)))
+	    IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A0))
 		intel_de_rmw(dev_priv, CHICKEN_PAR1_1,
 			     DIS_RAM_BYPASS_PSR2_MAN_TRACK, 0);