drm/msm/dpu: add rotation property

Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c

@@ -1037,8 +1037,21 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
 				pstate->multirect_mode);
 
 	if (pdpu->pipe_hw->ops.setup_format) {
+		unsigned int rotation;
+
 		src_flags = 0x0;
 
+		rotation = drm_rotation_simplify(state->rotation,
+						 DRM_MODE_ROTATE_0 |
+						 DRM_MODE_REFLECT_X |
+						 DRM_MODE_REFLECT_Y);
+
+		if (rotation & DRM_MODE_REFLECT_X)
+			src_flags |= DPU_SSPP_FLIP_LR;
+
+		if (rotation & DRM_MODE_REFLECT_Y)
+			src_flags |= DPU_SSPP_FLIP_UD;
+
 		/* update format */
 		pdpu->pipe_hw->ops.setup_format(pdpu->pipe_hw, fmt, src_flags,
 				pstate->multirect_index);
@@ -1519,6 +1532,13 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
 	if (ret)
 		DPU_ERROR("failed to install zpos property, rc = %d\n", ret);
 
+	drm_plane_create_rotation_property(plane,
+			DRM_MODE_ROTATE_0,
+			DRM_MODE_ROTATE_0 |
+			DRM_MODE_ROTATE_180 |
+			DRM_MODE_REFLECT_X |
+			DRM_MODE_REFLECT_Y);
+
 	drm_plane_enable_fb_damage_clips(plane);
 
 	/* success! finalize initialization */