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drm/gud: Use framebuffer dma-buf helpers

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Replace dma_buf_begin_cpu_access() with drm_gem_fb_begin_cpu_access();
same for _end_cpu_access(). Remove some boiler-plate code. No functional
changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210716140801.1215-5-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2021-07-16 16:07:58 +02:00
parent 08971eea06
commit 08b7ef0524
1 changed files with 5 additions and 8 deletions
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13
drivers/gpu/drm/gud/gud_pipe.c
View file

@ -3,7 +3,6 @@
* Copyright 2020 Noralf Trønnes
*/
#include <linux/dma-buf.h>
#include <linux/lz4.h>
#include <linux/usb.h>
#include <linux/workqueue.h>
@ -15,6 +14,7 @@
#include <drm/drm_format_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_print.h>
#include <drm/drm_rect.h>
@ -168,11 +168,9 @@ static int gud_prep_flush(struct gud_device *gdrm, struct drm_framebuffer *fb,
vaddr = map.vaddr + fb->offsets[0];
if (import_attach) {
ret = dma_buf_begin_cpu_access(import_attach->dmabuf, DMA_FROM_DEVICE);
if (ret)
goto vunmap;
}
ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE);
if (ret)
goto vunmap;
retry:
if (compression)
buf = gdrm->compress_buf;
@ -225,8 +223,7 @@ static int gud_prep_flush(struct gud_device *gdrm, struct drm_framebuffer *fb,
}
end_cpu_access:
if (import_attach)
dma_buf_end_cpu_access(import_attach->dmabuf, DMA_FROM_DEVICE);
drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
vunmap:
drm_gem_shmem_vunmap(fb->obj[0], &map);