Extend our planes atomic_check callbacks to be more thorough by calling the drm_atomic_helper_check_plane_state helper.
Signed-off-by: Hans de Goede hdegoede@redhat.com --- drivers/staging/vboxvideo/vbox_mode.c | 30 ++++++++++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/vboxvideo/vbox_mode.c b/drivers/staging/vboxvideo/vbox_mode.c index 72fc6614179a..4993a6cf6770 100644 --- a/drivers/staging/vboxvideo/vbox_mode.c +++ b/drivers/staging/vboxvideo/vbox_mode.c @@ -280,7 +280,19 @@ static const struct drm_crtc_funcs vbox_crtc_funcs = { static int vbox_primary_atomic_check(struct drm_plane *plane, struct drm_plane_state *new_state) { - return 0; + struct drm_crtc_state *crtc_state = NULL; + + if (new_state->crtc) { + crtc_state = drm_atomic_get_existing_crtc_state( + new_state->state, new_state->crtc); + if (WARN_ON(!crtc_state)) + return -EINVAL; + } + + return drm_atomic_helper_check_plane_state(new_state, crtc_state, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + false, true); }
static void vbox_primary_atomic_update(struct drm_plane *plane, @@ -337,8 +349,24 @@ static void vbox_primary_cleanup_fb(struct drm_plane *plane, static int vbox_cursor_atomic_check(struct drm_plane *plane, struct drm_plane_state *new_state) { + struct drm_crtc_state *crtc_state = NULL; u32 width = new_state->crtc_w; u32 height = new_state->crtc_h; + int ret; + + if (new_state->crtc) { + crtc_state = drm_atomic_get_existing_crtc_state( + new_state->state, new_state->crtc); + if (WARN_ON(!crtc_state)) + return -EINVAL; + } + + ret = drm_atomic_helper_check_plane_state(new_state, crtc_state, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + true, true); + if (ret) + return ret;
if (!new_state->fb) return 0;