diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c
index 95e6318b62680652a2b600982dda4d7a39368292..c042e497e4507eaebfd91bb477acbc7520f0143d 100644
--- a/drivers/gpu/drm/radeon/evergreen_cs.c
+++ b/drivers/gpu/drm/radeon/evergreen_cs.c
@@ -2725,6 +2725,9 @@ static bool evergreen_vm_reg_valid(u32 reg)
 	/* check config regs */
 	switch (reg) {
 	case GRBM_GFX_INDEX:
+	case CP_STRMOUT_CNTL:
+	case CP_COHER_CNTL:
+	case CP_COHER_SIZE:
 	case VGT_VTX_VECT_EJECT_REG:
 	case VGT_CACHE_INVALIDATION:
 	case VGT_GS_VERTEX_REUSE:
diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h
index df542f1a5dfbf38198d6bfbe329fd6964eacf352..2bc0f6a1b428ab8151b2a7fa57d5f7848ab0dda6 100644
--- a/drivers/gpu/drm/radeon/evergreend.h
+++ b/drivers/gpu/drm/radeon/evergreend.h
@@ -91,6 +91,10 @@
 #define		FB_READ_EN					(1 << 0)
 #define		FB_WRITE_EN					(1 << 1)
 
+#define	CP_STRMOUT_CNTL					0x84FC
+
+#define	CP_COHER_CNTL					0x85F0
+#define	CP_COHER_SIZE					0x85F4
 #define	CP_COHER_BASE					0x85F8
 #define	CP_STALLED_STAT1			0x8674
 #define	CP_STALLED_STAT2			0x8678