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authorSimon Ser <contact@emersion.fr>2021-07-26 10:50:32 +0300
committerSimon Ser <contact@emersion.fr>2021-07-27 15:23:36 +0300
commit17ce9c61c71cbc0d7e6ba0a9f34c724fb316a31b (patch)
treebf661c9496561b36731d75fd89f21f794491db22 /include/uapi/drm
parentdf26600ad3e7608365e42c7fd89e900aab6a838e (diff)
downloadlinux-17ce9c61c71cbc0d7e6ba0a9f34c724fb316a31b.tar.xz
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/uapi/drm')
-rw-r--r--include/uapi/drm/drm.h10
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)