[Intel-gfx] [PATCH] drm/atomic-helper: Use old/new state in drm_atomic_helper_commit_planes_on_crtc()
Daniel Vetter
daniel at ffwll.ch
Wed Jun 27 08:59:49 UTC 2018
On Tue, Jun 26, 2018 at 11:41:44PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Update drm_atomic_helper_commit_planes_on_crtc() to use explicit old/new
> states instead of relying on obj->state.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> ---
> drivers/gpu/drm/drm_atomic_helper.c | 15 ++++++++++-----
> 1 file changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
> index e022cacdae34..8008a7de2e10 100644
> --- a/drivers/gpu/drm/drm_atomic_helper.c
> +++ b/drivers/gpu/drm/drm_atomic_helper.c
> @@ -2342,11 +2342,13 @@ drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state)
> const struct drm_crtc_helper_funcs *crtc_funcs;
> struct drm_crtc *crtc = old_crtc_state->crtc;
> struct drm_atomic_state *old_state = old_crtc_state->state;
> + struct drm_crtc_state *new_crtc_state =
> + drm_atomic_get_new_crtc_state(old_state, crtc);
> struct drm_plane *plane;
> unsigned plane_mask;
>
> plane_mask = old_crtc_state->plane_mask;
> - plane_mask |= crtc->state->plane_mask;
> + plane_mask |= new_crtc_state->plane_mask;
>
> crtc_funcs = crtc->helper_private;
> if (crtc_funcs && crtc_funcs->atomic_begin)
> @@ -2355,6 +2357,8 @@ drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state)
> drm_for_each_plane_mask(plane, crtc->dev, plane_mask) {
> struct drm_plane_state *old_plane_state =
> drm_atomic_get_old_plane_state(old_state, plane);
> + struct drm_plane_state *new_plane_state =
> + drm_atomic_get_new_plane_state(old_state, plane);
> const struct drm_plane_helper_funcs *plane_funcs;
>
> plane_funcs = plane->helper_private;
> @@ -2362,13 +2366,14 @@ drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state)
> if (!old_plane_state || !plane_funcs)
> continue;
>
> - WARN_ON(plane->state->crtc && plane->state->crtc != crtc);
> + WARN_ON(new_plane_state->crtc &&
> + new_plane_state->crtc != crtc);
>
> - if (drm_atomic_plane_disabling(old_plane_state, plane->state) &&
> + if (drm_atomic_plane_disabling(old_plane_state, new_plane_state) &&
> plane_funcs->atomic_disable)
> plane_funcs->atomic_disable(plane, old_plane_state);
> - else if (plane->state->crtc ||
> - drm_atomic_plane_disabling(old_plane_state, plane->state))
> + else if (new_plane_state->crtc ||
> + drm_atomic_plane_disabling(old_plane_state, new_plane_state))
> plane_funcs->atomic_update(plane, old_plane_state);
> }
>
> --
> 2.16.4
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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