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drm/imx/lcdc: Use fbdev-dma

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

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240419083331.7761-25-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2024-04-19 10:29:17 +02:00
parent f379625079
commit 931af44404
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/imx/lcdc/imx-lcdc.c
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@ -5,7 +5,7 @@
#include <drm/drm_bridge_connector.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fbdev_dma.h>
#include <drm/drm_fb_dma_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
@ -501,7 +501,7 @@ static int imx_lcdc_probe(struct platform_device *pdev)
if (ret)
return dev_err_probe(dev, ret, "Cannot register device\n");
drm_fbdev_generic_setup(drm, 0);
drm_fbdev_dma_setup(drm, 0);
return 0;
}