On ke, 2016-07-20 at 16:18 +0300, ville.syrjala@linux.intel.com wrote:
From: Ville Syrjälä ville.syrjala@linux.intel.com
The rotation property should only accept exactly one rotation angle at once. Let's reject attempts to set none or multiple angles.
Testcase: igt/kms_rotation_crc/bad-rotation Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com
Reviewed-by: Joonas Lahtinen joonas.lahtinen@linux.intel.com
drivers/gpu/drm/drm_atomic.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 3cee084e9d28..5f0002897862 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -711,6 +711,8 @@ int drm_atomic_plane_set_property(struct drm_plane *plane, } else if (property == config->prop_src_h) { state->src_h = val; } else if (property == config->rotation_property) {
if (!is_power_of_2(val & DRM_ROTATE_MASK))return -EINVAL;state->rotation = val; } else if (plane->funcs->atomic_set_property) { return plane->funcs->atomic_set_property(plane, state,