Use the fbdev emulation that is optimized for DMA helpers. Avoids
possible shadow buffering and makes the code simpler.

Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Reviewed-by: Javier Martinez Canillas <javi...@redhat.com>
Acked-by: Sam Ravnborg <s...@ravnborg.org>
---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c 
b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
index 4e806b06d35d..29603561d501 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
@@ -19,7 +19,7 @@
 #include <drm/drm_atomic.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_gem_dma_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_module.h>
@@ -760,7 +760,7 @@ static int atmel_hlcdc_dc_drm_probe(struct platform_device 
*pdev)
        if (ret)
                goto err_unload;
 
-       drm_fbdev_generic_setup(ddev, 24);
+       drm_fbdev_dma_setup(ddev, 24);
 
        return 0;
 
-- 
2.39.2

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