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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2018-10-04 22:24:31 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2018-10-05 18:04:09 +0200 |
| commit | ec9b0a9e2c9e2543aa391c6006fde3f9b6e54576 (patch) | |
| tree | 50f2f4d2eea636b577da5a1892cf21efbb76b8b1 /include/drm/drm_atomic.h | |
| parent | 9ef8a9dc4b21821d6c397186462fb5e571786b0a (diff) | |
| download | linux-ec9b0a9e2c9e2543aa391c6006fde3f9b6e54576.tar.gz linux-ec9b0a9e2c9e2543aa391c6006fde3f9b6e54576.tar.bz2 linux-ec9b0a9e2c9e2543aa391c6006fde3f9b6e54576.zip | |
drm/atomic: Improve docs for drm_atomic_state->allow_modeset
Motivated by vmwgfx digging around in core uapi bits it shouldn't dig
around in.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004202446.22905-7-daniel.vetter@ffwll.ch
Diffstat (limited to 'include/drm/drm_atomic.h')
| -rw-r--r-- | include/drm/drm_atomic.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index d6adebcd6ea4..c09ecaf43825 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -254,7 +254,6 @@ struct __drm_private_objs_state { * struct drm_atomic_state - the global state object for atomic updates * @ref: count of all references to this state (will not be freed until zero) * @dev: parent DRM device - * @allow_modeset: allow full modeset * @legacy_cursor_update: hint to enforce legacy cursor IOCTL semantics * @async_update: hint for asynchronous plane update * @planes: pointer to array of structures with per-plane data @@ -273,6 +272,15 @@ struct drm_atomic_state { struct kref ref; struct drm_device *dev; + + /** + * @allow_modeset: + * + * Allow full modeset. This is used by the ATOMIC IOCTL handler to + * implement the DRM_MODE_ATOMIC_ALLOW_MODESET flag. Drivers should + * never consult this flag, instead looking at the output of + * drm_atomic_crtc_needs_modeset(). + */ bool allow_modeset : 1; bool legacy_cursor_update : 1; bool async_update : 1; |