drm: rcar-rvgc: set the lacking DMA mask

The rcar-rvgc drm device lacks of coherent_dma_mask definition, so this patch adds it. Signed-off-by: Phong Hoang <[email protected]>
renesas-rcar · Apr 16, 2021 · f495fad · f495fad
1 parent fbed22e
commit f495fad
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/gpu/drm/rcar-rvgc/rcar_rvgc_drv.c b/drivers/gpu/drm/rcar-rvgc/rcar_rvgc_drv.c
@@ -17,6 +17,7 @@
 #include <linux/slab.h>
 #include <linux/wait.h>
 #include <linux/kthread.h>
+#include <linux/dma-mapping.h>
 
 #include <drm/drm_device.h>
 #include <drm/drm_atomic_helper.h>
@@ -243,6 +244,7 @@ static int rcar_rvgc_probe(struct rpmsg_device* rpdev) {
 	}
 
 	ddev->irq_enabled = 1;
+	ddev->dev->coherent_dma_mask = DMA_BIT_MASK(32);
 
 	/*
 	 * Register the DRM device with the core and the connectors with