drm/vc4: Use GEM DMA fbdev emulation
authorThomas Zimmermann <tzimmermann@suse.de>
Mon, 13 Mar 2023 15:51:34 +0000 (16:51 +0100)
committerThomas Zimmermann <tzimmermann@suse.de>
Tue, 14 Mar 2023 16:07:49 +0000 (17:07 +0100)
Use the fbdev emulation that is optimized for DMA helpers. Avoids
possible shadow buffering and makes the code simpler.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230313155138.20584-22-tzimmermann@suse.de
drivers/gpu/drm/vc4/vc4_drv.c

index 0ccaee5..c8bf954 100644 (file)
@@ -33,7 +33,7 @@
 #include <drm/drm_aperture.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
-#include <drm/drm_fbdev_generic.h>
+#include <drm/drm_fbdev_dma.h>
 #include <drm/drm_vblank.h>
 
 #include <soc/bcm2835/raspberrypi-firmware.h>
@@ -387,7 +387,7 @@ static int vc4_drm_bind(struct device *dev)
        if (ret < 0)
                goto unbind_all;
 
-       drm_fbdev_generic_setup(drm, 16);
+       drm_fbdev_dma_setup(drm, 16);
 
        return 0;