@@ -448,6 +448,11 @@ static bool disable_dmc_evt(struct drm_i915_private *i915,
REG_FIELD_GET(DMC_EVT_CTL_EVENT_ID_MASK, data) == DMC_EVT_CTL_EVENT_ID_CLK_MSEC)
return true;
+ /* also disable the HRR event on the main DMC on TGL/ADLS */
+ if ((IS_TIGERLAKE(i915) || IS_ALDERLAKE_S(i915)) &&
+ REG_FIELD_GET(DMC_EVT_CTL_EVENT_ID_MASK, data) == DMC_EVT_CTL_EVENT_ID_VBLANK_A)
+ return true;
+
return false;
}
@@ -60,6 +60,7 @@
#define DMC_EVT_CTL_EVENT_ID_MASK REG_GENMASK(15, 8)
#define DMC_EVT_CTL_EVENT_ID_FALSE 0x01
+#define DMC_EVT_CTL_EVENT_ID_VBLANK_A 0x32 /* main DMC */
/* An event handler scheduled to run at a 1 kHz frequency. */
#define DMC_EVT_CTL_EVENT_ID_CLK_MSEC 0xbf