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drm/pl111: Use GEM DMA fbdev emulation 

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

Reported-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/dri-devel/CACRpkdawSQsNqKJkSSoSw3HmMHyNXFUywxkdszpTC-a_uZA+tQ@mail.gmail.com/
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230313155138.20584-26-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2023-03-13 16:51:38 +01:00
parent 1cbc363454
commit a66172fa78
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/pl111/pl111_drv.c
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@ -48,7 +48,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_drv.h>
#include <drm/drm_fbdev_generic.h>
#include <drm/drm_fbdev_dma.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_dma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
@ -308,7 +308,7 @@ static int pl111_amba_probe(struct amba_device *amba_dev,
if (ret < 0)
goto dev_put;
drm_fbdev_generic_setup(drm, priv->variant->fb_bpp);
drm_fbdev_dma_setup(drm, priv->variant->fb_bpp);
return 0;