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drm/pl111: Use GEM DMA fbdev emulation
author
Thomas Zimmermann
<tzimmermann@suse.de>
Mon, 13 Mar 2023 15:51:38 +0000
(16:51 +0100)
committer
Thomas 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.
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
drivers/gpu/drm/pl111/pl111_drv.c
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diff --git
a/drivers/gpu/drm/pl111/pl111_drv.c
b/drivers/gpu/drm/pl111/pl111_drv.c
index
00deba0
..
4b2a9e9
100644
(file)
--- a/
drivers/gpu/drm/pl111/pl111_drv.c
+++ b/
drivers/gpu/drm/pl111/pl111_drv.c
@@
-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;