diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2021-07-30 21:35:08 +0300 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2021-08-02 17:41:20 +0300 |
| commit | f6424ecdb3c8aba18997a6992f780ab9c27734bc (patch) | |
| tree | fba6a2c62752668788182d3129dbdb80f852bfcb /include/drm/drm_gem_framebuffer_helper.h | |
| parent | 279cc2e9543eb357c0ef299cf398b2e74a021f6b (diff) | |
| download | linux-f6424ecdb3c8aba18997a6992f780ab9c27734bc.tar.xz | |
drm/gem: Provide drm_gem_fb_{vmap,vunmap}()
Move framebuffer vmap code from shadow-buffered plane state into the new
interfaces drm_gem_fb_vmap() and drm_gem_fb_vunmap(). These functions
provide mappings of a framebuffer's BOs into kernel address space. No
functional changes.
v4:
* remove duplicated blank line
v2:
* using [static N] for array parameters enables compile-time checks
* include <drm/drm_fourcc.h> for DRM_FORMAT_MAX_PLANES (kernel
test robot)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210730183511.20080-3-tzimmermann@suse.de
Diffstat (limited to 'include/drm/drm_gem_framebuffer_helper.h')
| -rw-r--r-- | include/drm/drm_gem_framebuffer_helper.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/drm/drm_gem_framebuffer_helper.h b/include/drm/drm_gem_framebuffer_helper.h index 5705722f0855..ff2024dd7b77 100644 --- a/include/drm/drm_gem_framebuffer_helper.h +++ b/include/drm/drm_gem_framebuffer_helper.h @@ -4,6 +4,8 @@ #include <linux/dma-buf.h> #include <linux/dma-buf-map.h> +#include <drm/drm_fourcc.h> + struct drm_afbc_framebuffer; struct drm_device; struct drm_fb_helper_surface_size; @@ -37,6 +39,10 @@ struct drm_framebuffer * drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd); +int drm_gem_fb_vmap(struct drm_framebuffer *fb, + struct dma_buf_map map[static DRM_FORMAT_MAX_PLANES]); +void drm_gem_fb_vunmap(struct drm_framebuffer *fb, + struct dma_buf_map map[static DRM_FORMAT_MAX_PLANES]); int drm_gem_fb_begin_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir); void drm_gem_fb_end_cpu_access(struct drm_framebuffer *fb, enum dma_data_direction dir); |