drm/i915/psr: Preserve SRD_CTL bit 29 on PSR init
[muen/linux.git] / drivers / gpu / drm / i915 / i915_reg.h
index b2546ade2c4553b02b5bf0fbaa0ac051a591b468..56df86ef5a4d808300ed5fe1ccac91d3f088931e 100644 (file)
@@ -3872,6 +3872,7 @@ enum {
 #define EDP_PSR_CTL                            _MMIO(dev_priv->psr_mmio_base + 0)
 #define   EDP_PSR_ENABLE                       (1<<31)
 #define   BDW_PSR_SINGLE_FRAME                 (1<<30)
+#define   EDP_PSR_RESTORE_PSR_ACTIVE_CTX_MASK  (1<<29) /* SW can't modify */
 #define   EDP_PSR_LINK_STANDBY                 (1<<27)
 #define   EDP_PSR_MIN_LINK_ENTRY_TIME_MASK     (3<<25)
 #define   EDP_PSR_MIN_LINK_ENTRY_TIME_8_LINES  (0<<25)