diff options
| author | Simon Ser <contact@emersion.fr> | 2021-07-26 09:50:32 +0200 |
|---|---|---|
| committer | Simon Ser <contact@emersion.fr> | 2021-07-27 14:23:36 +0200 |
| commit | 17ce9c61c71cbc0d7e6ba0a9f34c724fb316a31b (patch) | |
| tree | bf661c9496561b36731d75fd89f21f794491db22 /include | |
| parent | drm: add logging for RMFB ioctl (diff) | |
| download | linux-17ce9c61c71cbc0d7e6ba0a9f34c724fb316a31b.tar.xz linux-17ce9c61c71cbc0d7e6ba0a9f34c724fb316a31b.zip | |
drm: document DRM_IOCTL_MODE_RMFB
Since there's no struct to attach the docs to, document the IOCTL
definition.
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Leandro Ribeiro <leandro.ribeiro@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ephVkof3uGu2RpOdBbrHE3qF98zBfIBRzXe4Vyoboh0@cp4-web-034.plabs.ch
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/drm/drm.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h index e1f49dd241f7..3b810b53ba8b 100644 --- a/include/uapi/drm/drm.h +++ b/include/uapi/drm/drm.h @@ -1050,6 +1050,16 @@ extern "C" { #define DRM_IOCTL_MODE_GETPROPBLOB DRM_IOWR(0xAC, struct drm_mode_get_blob) #define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xAD, struct drm_mode_fb_cmd) #define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xAE, struct drm_mode_fb_cmd) +/** + * DRM_IOCTL_MODE_RMFB - Remove a framebuffer. + * + * This removes a framebuffer previously added via ADDFB/ADDFB2. The IOCTL + * argument is a framebuffer object ID. + * + * Warning: removing a framebuffer currently in-use on an enabled plane will + * disable that plane. The CRTC the plane is linked to may also be disabled + * (depending on driver capabilities). + */ #define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xAF, unsigned int) #define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip) #define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd) |