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dma-buf: Remove range-based flush

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This patch removes range-based information used for optimizations in
begin_cpu_access and end_cpu_access.

We don't have any user nor implementation using range-based flush. It seems a
consensus that if we ever want something like that again (or even more robust
using 2D, 3D sub-range regions) we can use the upcoming dma-buf sync ioctl for
such.

Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Tiago Vignatti <tiago.vignatti@intel.com>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1450820214-12509-3-git-send-email-tiago.vignatti@intel.com
This commit is contained in:
Tiago Vignatti
2015-12-22 19:36:45 -02:00
committed by Daniel Vetter
parent bfe981a095
commit 831e9da7dc
8 changed files with 24 additions and 38 deletions
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2
drivers/gpu/drm/udl/udl_fb.c
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@@ -409,7 +409,6 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb,
if (ufb->obj->base.import_attach) {
ret = dma_buf_begin_cpu_access(ufb->obj->base.import_attach->dmabuf,
0, ufb->obj->base.size,
DMA_FROM_DEVICE);
if (ret)
goto unlock;
@@ -425,7 +424,6 @@ static int udl_user_framebuffer_dirty(struct drm_framebuffer *fb,
if (ufb->obj->base.import_attach) {
dma_buf_end_cpu_access(ufb->obj->base.import_attach->dmabuf,
0, ufb->obj->base.size,
DMA_FROM_DEVICE);
}