From: Gustavo Padovan gustavo.padovan@collabora.co.uk
The atomic helper to disable planes also uses the optional .atomic_disable() helper. The unique operation it does is calling .win_disable()
Signed-off-by: Gustavo Padovan gustavo.padovan@collabora.co.uk Reviewed-by: Joonyoung Shim jy0922.shim@samsung.com Tested-by: Tobias Jakobi tjakobi@math.uni-bielefeld.de --- drivers/gpu/drm/exynos/exynos_drm_plane.c | 32 ++++++++++++++++++------------- 1 file changed, 19 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index 6b10373..f0067f7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -67,6 +67,9 @@ int exynos_check_plane(struct drm_plane *plane, struct drm_framebuffer *fb) int nr; int i;
+ if (!fb) + return 0; + nr = exynos_drm_fb_get_buf_cnt(fb); for (i = 0; i < nr; i++) { struct exynos_drm_gem_buf *buffer = exynos_drm_fb_buffer(fb, i); @@ -163,21 +166,9 @@ exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, exynos_crtc->ops->win_commit(exynos_crtc, exynos_plane->zpos); }
-static int exynos_disable_plane(struct drm_plane *plane) -{ - struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); - struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(plane->crtc); - - if (exynos_crtc && exynos_crtc->ops->win_disable) - exynos_crtc->ops->win_disable(exynos_crtc, - exynos_plane->zpos); - - return 0; -} - static struct drm_plane_funcs exynos_plane_funcs = { .update_plane = drm_plane_helper_update, - .disable_plane = exynos_disable_plane, + .disable_plane = drm_plane_helper_disable, .destroy = drm_plane_cleanup, };
@@ -202,9 +193,24 @@ static void exynos_plane_atomic_update(struct drm_plane *plane, state->src_w, state->src_h); }
+static void exynos_plane_atomic_disable(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); + struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(old_state->crtc); + + if (!old_state->crtc) + return; + + if (exynos_crtc->ops->win_disable) + exynos_crtc->ops->win_disable(exynos_crtc, + exynos_plane->zpos); +} + static const struct drm_plane_helper_funcs plane_helper_funcs = { .atomic_check = exynos_plane_atomic_check, .atomic_update = exynos_plane_atomic_update, + .atomic_disable = exynos_plane_atomic_disable, };
static void exynos_plane_attach_zpos_property(struct drm_plane *plane,