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drm: add drm_encoder comments

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Just some basic comments about the place and function of the structure
and fields.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jesse Barnes 2011-11-07 12:03:17 -08:00 committed by Dave Airlie
parent 6c3db9200b
commit db3e44996f
1 changed files with 12 additions and 0 deletions
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12
include/drm/drm_crtc.h
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@ -456,6 +456,18 @@ struct drm_encoder_funcs {
/**
* drm_encoder - central DRM encoder structure
* @dev: parent DRM device
* @head: list management
* @base: base KMS object
* @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h
* @possible_crtcs: bitmask of potential CRTC bindings
* @possible_clones: bitmask of potential sibling encoders for cloning
* @crtc: currently bound CRTC
* @funcs: control functions
* @helper_private: mid-layer private data
*
* CRTCs drive pixels to encoders, which convert them into signals
* appropriate for a given connector or set of connectors.
*/
struct drm_encoder {
struct drm_device *dev;