drm/i915/psr: Allow PSR with sprite enabled on hsw/bdw

Can't see why we'd want the sprite blocking PSR entry.
Mask it out.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-13-ville.syrjala@linux.intel.comReviewed-by: Jouni Högander <jouni.hogander@intel.com>

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

@@ -3153,6 +3153,10 @@ static void bdw_set_pipe_misc(const struct intel_crtc_state *crtc_state)
 	if (DISPLAY_VER(dev_priv) >= 12)
 		val |= PIPE_MISC_PIXEL_ROUNDING_TRUNC;
 
+	/* allow PSR with sprite enabled */
+	if (IS_BROADWELL(dev_priv))
+		val |= PIPE_MISC_PSR_MASK_SPRITE_ENABLE;
+
 	intel_de_write(dev_priv, PIPE_MISC(crtc->pipe), val);
 }
 

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

@@ -1409,6 +1409,10 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
 	if (IS_DISPLAY_VER(dev_priv, 9, 10))
 		mask |= EDP_PSR_DEBUG_MASK_DISP_REG_WRITE;
 
+	/* allow PSR with sprite enabled */
+	if (IS_HASWELL(dev_priv))
+		mask |= EDP_PSR_DEBUG_MASK_SPRITE_ENABLE;
+
 	intel_de_write(dev_priv, psr_debug_reg(dev_priv, cpu_transcoder), mask);
 
 	psr_irq_control(intel_dp);