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author | Thomas Zimmermann | 2021-07-16 16:07:55 +0200 |
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committer | Thomas Zimmermann | 2021-07-23 20:17:13 +0200 |
commit | 37408cd825a47b89c2302b88ad3c071f796a2ec0 (patch) | |
tree | 923fda1cb2afdbb0a3a1b118a0db24dd56aa307d /include/drm/i915_drm.h | |
parent | a791cde6d2720944a50122b2039aac26b4c196c2 (diff) |
drm/gem: Provide drm_gem_fb_{begin,end}_cpu_access() helpers
Implement helpers drm_gem_fb_begin_cpu_access() and _end_cpu_access(),
which call the rsp dma-buf functions for all GEM BOs of the given
framebuffer.
Calls to dma_buf_end_cpu_access() can return an error code on failure,
while drm_gem_fb_end_cpu_access() does not. The latter runs during DRM's
atomic commit or during cleanup. Both cases don't allow for errors, so
leave out the return value.
v2:
* fix typo in docs (Daniel)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210716140801.1215-2-tzimmermann@suse.de
Diffstat (limited to 'include/drm/i915_drm.h')
0 files changed, 0 insertions, 0 deletions