drm/mgag200: Remove disable handling from atomic_update

The primary plane has the atomic_disable helper set, so atomic_update
won't be called if the plane gets disabled. Remove the respective branch
from the helper.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230209154107.30680-4-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 0a5aaf7..47e86ea 100644 (file)
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -503,9 +503,6 @@ void mgag200_primary_plane_helper_atomic_update(struct drm_plane *plane,
        struct drm_rect damage;
        u8 seq1;
 
-       if (!fb)
-               return;
-
        drm_atomic_helper_damage_iter_init(&iter, old_plane_state, plane_state);
        drm_atomic_for_each_plane_damage(&iter, &damage) {
                mgag200_handle_damage(mdev, shadow_plane_state->data, fb, &damage);