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Commit ffc5fbdb authored by Daniel Thompson's avatar Daniel Thompson Committed by Daniel Vetter
Browse files

drm: prime: Document gem_prime_mmap 



gem_prime_map is not currently described in the DRM manual, lets document
it.

Signed-off-by: default avatarDaniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent afcd950c

drivers/gpu/drm/drm_prime.c

+3 −1
Original line number Diff line number Diff line
@@ -309,7 +309,7 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = { 
 * Drivers can implement @gem_prime_export and @gem_prime_import in terms of

 * simpler APIs by using the helper functions @drm_gem_prime_export and

 * @drm_gem_prime_import.  These functions implement dma-buf support in terms of

 * five lower-level driver callbacks:

 * six lower-level driver callbacks:

 *

 * Export callbacks:

 *
@@ -321,6 +321,8 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = { 
 *

 *  - @gem_prime_vunmap: vunmap a buffer exported by your driver

 *

 *  - @gem_prime_mmap (optional): mmap a buffer exported by your driver

 *

 * Import callback:

 *

 *  - @gem_prime_import_sg_table (import): produce a GEM object from another