diff mbox series

[13/14] drm/atomic: Improve docs for drm_atomic_state->allow_modeset

Message ID 20180903165439.24845-13-daniel.vetter@ffwll.ch (mailing list archive)
State New, archived
Headers show
Series [01/14] drm: Add drm/kernel.h header file | expand

Commit Message

Daniel Vetter Sept. 3, 2018, 4:54 p.m. UTC 
Motivated by vmwgfx digging around in core uapi bits it shouldn't dig
around in.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
---
 include/drm/drm_atomic.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
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Patch

diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 4aff40886acb..91d896ec9c10 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;