drm/rockchip: vop: rk3328: fix overlay abnormal

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / rockchip / rockchip_drm_vop.c

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 8cb455843f1646a2120e0e195faf0a1fac33b384..e10d272b371ccad22596be6ae1b9814ed6b5651c 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -825,7 +825,9 @@ static void vop_initial(struct drm_crtc *crtc)
         */
        for (i = 0; i < vop->num_wins; i++) {
                struct vop_win *win = &vop->win[i];
+               int channel = i * 2 + 1;
 
+               VOP_WIN_SET(vop, win, channel, (channel + 1) << 4 | channel);
                if (win->phy->scl && win->phy->scl->ext) {
                        VOP_SCL_SET_EXT(vop, win, yrgb_hor_scl_mode, SCALE_NONE);
                        VOP_SCL_SET_EXT(vop, win, yrgb_ver_scl_mode, SCALE_NONE);