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drm/atomic: Improve docs for drm_atomic_state->allow_modeset

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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
This commit is contained in:
Daniel Vetter 2018-10-04 22:24:31 +02:00
parent 9ef8a9dc4b
commit ec9b0a9e2c
1 changed files with 9 additions and 1 deletions
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10
include/drm/drm_atomic.h
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@ -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;