diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_layer.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_layer.c b/drivers/gpu/drm/sun4i/sun8i_layer.c index 5aa6e2c9728e..be81f18dcbf1 100644 --- a/drivers/gpu/drm/sun4i/sun8i_layer.c +++ b/drivers/gpu/drm/sun4i/sun8i_layer.c @@ -13,7 +13,9 @@ * the License, or (at your option) any later version. */ +#include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> +#include <drm/drm_crtc.h> #include <drm/drm_plane_helper.h> #include <drm/drmP.h> @@ -26,6 +28,31 @@ struct sun8i_plane_desc { uint32_t nformats; }; +static int sun8i_mixer_layer_atomic_check(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct drm_crtc *crtc = state->crtc; + struct drm_crtc_state *crtc_state; + struct drm_rect clip; + + if (!crtc) + return 0; + + crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc); + if (WARN_ON(!crtc_state)) + return -EINVAL; + + clip.x1 = 0; + clip.y1 = 0; + clip.x2 = crtc_state->adjusted_mode.hdisplay; + clip.y2 = crtc_state->adjusted_mode.vdisplay; + + return drm_atomic_helper_check_plane_state(state, crtc_state, &clip, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + true, true); +} + static void sun8i_mixer_layer_atomic_disable(struct drm_plane *plane, struct drm_plane_state *old_state) { @@ -53,6 +80,7 @@ static void sun8i_mixer_layer_atomic_update(struct drm_plane *plane, } static struct drm_plane_helper_funcs sun8i_mixer_layer_helper_funcs = { + .atomic_check = sun8i_mixer_layer_atomic_check, .atomic_disable = sun8i_mixer_layer_atomic_disable, .atomic_update = sun8i_mixer_layer_atomic_update, }; |