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drm/atomic: Add target_vblank support in atomic helpers (v2)

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Allows usage of the new page_flip_target hook for drivers implementing
the atomic path.
Provides default atomic helper for the new hook.

v2:
Update code sharing logic between exsiting and the new flip hooks.
Improve kerneldoc.

Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1483735180-4173-1-git-send-email-Andrey.Grodzovsky@amd.com
This commit is contained in:
Andrey Grodzovsky
2017-01-06 15:39:40 -05:00
committed by Daniel Vetter
parent fd056f05b9
commit f869a6ecf2
3 changed files with 133 additions and 27 deletions
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9
include/drm/drm_crtc.h
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@@ -148,6 +148,15 @@ struct drm_crtc_state {
struct drm_property_blob *ctm;
struct drm_property_blob *gamma_lut;
/**
* @target_vblank:
*
* Target vertical blank period when a page flip
* should take effect.
*/
u32 target_vblank;
/**
* @event:
*