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drm/renesas/shmobile: Use fbdev-dma

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Implement fbdev emulation with fbdev-dma. Fbdev-dma now supports
damage handling, which is required by shmobile. Avoids the overhead of
fbdev-generic's additional shadow buffering. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240419083331.7761-31-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2024-04-19 10:29:23 +02:00
parent ff5cea0f03
commit 90d0799af3
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
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@ -19,7 +19,7 @@
#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_modeset_helper.h>
#include <drm/drm_module.h>
@ -250,7 +250,7 @@ static int shmob_drm_probe(struct platform_device *pdev)
if (ret < 0)
goto err_modeset_cleanup;
drm_fbdev_generic_setup(ddev, 16);
drm_fbdev_dma_setup(ddev, 16);
return 0;