diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 6f3c9a20a2de582a5a4529a6311643b9ba0c83b2..a3a2310920d8ddea218a5965d584d45954959123 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -195,7 +195,7 @@ int radeon_bo_create(struct radeon_device *rdev,
 	/* For architectures that don't support WC memory,
 	 * mask out the WC flag from the BO
 	 */
-	if (!drm_arch_can_wc_memory())
+	if (!drm_arch_can_wc_memory() || !(bo->initial_domain & RADEON_GEM_DOMAIN_VRAM))
 		bo->flags &= ~RADEON_GEM_GTT_WC;
 #endif
 
diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h
index 667fb0368ef6d5a6a9d987636a72e77aeca8de3a..6b94c2185bca5a3adbe45847af67a7357c6a975f 100644
--- a/include/drm/drm_cache.h
+++ b/include/drm/drm_cache.h
@@ -45,6 +45,7 @@ bool drm_need_swiotlb(int dma_bits);
 
 static inline bool drm_arch_can_wc_memory(void)
 {
+	return true;
 #if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
 	return false;
 #elif defined(CONFIG_MIPS) && defined(CONFIG_CPU_LOONGSON64)