disp: msm: enable cache flag for dumb buffer

For dumb buffer allocation switch to cached flag
from current use of write combine.

Change-Id: Ic3dc88ff83a083e4f386c2aecc27ce71324e06f5
Signed-off-by: Prabhanjan Kandula <[email protected]>

msm/msm_gem.c

@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
  * Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
  * Copyright (C) 2013 Red Hat
  * Author: Rob Clark <[email protected]>
@@ -691,7 +692,7 @@ int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 	args->pitch = align_pitch(args->width, args->bpp);
 	args->size  = PAGE_ALIGN(args->pitch * args->height);
 	return msm_gem_new_handle(dev, file, args->size,
-			MSM_BO_SCANOUT | MSM_BO_WC, &args->handle, "dumb");
+			MSM_BO_SCANOUT | MSM_BO_CACHED, &args->handle, "dumb");
 }
 
 int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,