On Mon, Jan 16, 2017 at 10:44:55AM -0500, Andrey Grodzovsky wrote:
> Allows using atomic flip helpers for drivers
> using ASYNC flip.
> Remove ASYNC_FLIP restriction in helpers and
> caches the page flip flags in drm_plane_state
> to be used in the low level drivers.
>
> Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
It's mostly guesswork, but I think we should have the flip flags in the
crtc, not in each plane. Similar to how we move the event from planes to
crtc.
-Daniel
> ---
> drivers/gpu/drm/drm_atomic_helper.c | 10 +++-------
> include/drm/drm_plane.h | 8 ++++++++
> 2 files changed, 11 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
> index a4e5477..f83dc43 100644
> --- a/drivers/gpu/drm/drm_atomic_helper.c
> +++ b/drivers/gpu/drm/drm_atomic_helper.c
> @@ -2737,7 +2737,8 @@ static int page_flip_common(
> struct drm_atomic_state *state,
> struct drm_crtc *crtc,
> struct drm_framebuffer *fb,
> - struct drm_pending_vblank_event *event)
> + struct drm_pending_vblank_event *event,
> + uint32_t flags)
> {
> struct drm_plane *plane = crtc->primary;
> struct drm_plane_state *plane_state;
> @@ -2754,6 +2755,7 @@ static int page_flip_common(
> if (IS_ERR(plane_state))
> return PTR_ERR(plane_state);
>
> + plane_state->pflip_flags = flags;
>
> ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
> if (ret != 0)
> @@ -2800,9 +2802,6 @@ int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
> struct drm_atomic_state *state;
> int ret = 0;
>
> - if (flags & DRM_MODE_PAGE_FLIP_ASYNC)
> - return -EINVAL;
> -
> state = drm_atomic_state_alloc(plane->dev);
> if (!state)
> return -ENOMEM;
> @@ -2865,9 +2864,6 @@ int drm_atomic_helper_page_flip_target(
> struct drm_crtc_state *crtc_state;
> int ret = 0;
>
> - if (flags & DRM_MODE_PAGE_FLIP_ASYNC)
> - return -EINVAL;
> -
> state = drm_atomic_state_alloc(plane->dev);
> if (!state)
> return -ENOMEM;
> diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
> index db3bbde..86d8ffc 100644
> --- a/include/drm/drm_plane.h
> +++ b/include/drm/drm_plane.h
> @@ -122,6 +122,14 @@ struct drm_plane_state {
> */
> bool visible;
>
> +
> + /**
> + * @pflip_flags:
> + *
> + * Flip related config options
> + */
> + u32 pflip_flags;
> +
> struct drm_atomic_state *state;
> };
>
> --
> 1.9.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
