diff options
| author | Samuel Li <Samuel.Li@amd.com> | 2018-03-26 15:22:25 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-03-28 15:10:28 -0500 |
| commit | 790861cc34f872015806cef311d5c64cc3167a0d (patch) | |
| tree | d5ceea5cea8ef05bf67853e931c21c49adf9907e /drivers/gpu/drm/drm_prime.c | |
| parent | e85d30060eddccfcfbf7fdbd61a23cfbda05cc59 (diff) | |
drm: add parameter explanation for some gem dmabuf_ops
To reduce some warnings.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Samuel Li <Samuel.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1522092145-12645-1-git-send-email-Samuel.Li@amd.com
Diffstat (limited to 'drivers/gpu/drm/drm_prime.c')
| -rw-r--r-- | drivers/gpu/drm/drm_prime.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 7856a9b3f8a8..caf675e3e692 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -331,6 +331,9 @@ EXPORT_SYMBOL(drm_gem_map_dma_buf); /** * drm_gem_unmap_dma_buf - unmap_dma_buf implementation for GEM + * @attach: attachment to unmap buffer from + * @sgt: scatterlist info of the buffer to unmap + * @dir: direction of DMA transfer * * Not implemented. The unmap is done at drm_gem_map_detach(). This can be * used as the &dma_buf_ops.unmap_dma_buf callback. @@ -429,6 +432,8 @@ EXPORT_SYMBOL(drm_gem_dmabuf_vunmap); /** * drm_gem_dmabuf_kmap_atomic - map_atomic implementation for GEM + * @dma_buf: buffer to be mapped + * @page_num: page number within the buffer * * Not implemented. This can be used as the &dma_buf_ops.map_atomic callback. */ @@ -441,6 +446,9 @@ EXPORT_SYMBOL(drm_gem_dmabuf_kmap_atomic); /** * drm_gem_dmabuf_kunmap_atomic - unmap_atomic implementation for GEM + * @dma_buf: buffer to be unmapped + * @page_num: page number within the buffer + * @addr: virtual address of the buffer * * Not implemented. This can be used as the &dma_buf_ops.unmap_atomic callback. */ @@ -453,6 +461,8 @@ EXPORT_SYMBOL(drm_gem_dmabuf_kunmap_atomic); /** * drm_gem_dmabuf_kmap - map implementation for GEM + * @dma_buf: buffer to be mapped + * @page_num: page number within the buffer * * Not implemented. This can be used as the &dma_buf_ops.map callback. */ @@ -464,6 +474,9 @@ EXPORT_SYMBOL(drm_gem_dmabuf_kmap); /** * drm_gem_dmabuf_kunmap - unmap implementation for GEM + * @dma_buf: buffer to be unmapped + * @page_num: page number within the buffer + * @addr: virtual address of the buffer * * Not implemented. This can be used as the &dma_buf_ops.unmap callback. */ |