drm: Allow drivers to modify plane_state in prepare_fb/cleanup_fb
The drivers have to modify the atomic plane state during the prepare_fb callback so they track allocations, reservations and dependencies for this atomic operation involving this fb. In particular, how else do we set the plane->fence from the framebuffer! Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20160818180017.20508-1-chris@chris-wilson.co.uk
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Daniel Vetter

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@@ -171,13 +171,13 @@ static void fsl_dcu_drm_plane_atomic_update(struct drm_plane *plane,
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static void
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fsl_dcu_drm_plane_cleanup_fb(struct drm_plane *plane,
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const struct drm_plane_state *new_state)
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struct drm_plane_state *new_state)
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{
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}
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static int
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fsl_dcu_drm_plane_prepare_fb(struct drm_plane *plane,
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const struct drm_plane_state *new_state)
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struct drm_plane_state *new_state)
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{
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return 0;
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}
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