drm/udl: Begin/end access to imported buffers in damage-handler

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The damage-handler code now invokes dma_buf_{begin,end}_access()
for imported buffers. These calls were missing from the page-flip
and modesetting code paths. The patch also fixes an bug in the
original where an error code was overwritten by the result of
dma_buf_end_cpu_access().

v2:
	* only return an error code from dma_buf_end_cpu_access() if
	  no other error code has been set before

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191206085954.9697-7-tzimmermann@suse.de

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This commit is contained in:

Thomas Zimmermann 2019-12-06 09:59:53 +01:00

parent cd45e30a70

commit 798ce3fe1c

1 changed files with 23 additions and 20 deletions

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45

drivers/gpu/drm/udl/udl_fb.c

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