From fb678bd98adb03a579f7e922edcb65b1ddef9a8a Mon Sep 17 00:00:00 2001 From: Sandy Huang Date: Fri, 12 Nov 2021 22:08:18 +0800 Subject: [PATCH] drm/rockchip: vop2: fix splash screen when vsync less than 8 Signed-off-by: Sandy Huang Change-Id: I065f1e5d4795b10442d285eae2178153be870d02 --- drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c index 21617e2478d0..08a0b262eb20 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c @@ -6259,6 +6259,9 @@ static void vop2_setup_dly_for_vp(struct vop2_video_port *vp) else pre_scan_dly = bg_dly + (hdisplay >> 1) - 1; + if (vop2->version == VOP_VERSION_RK3588 && hsync_len < 8) + hsync_len = 8; + pre_scan_dly = (pre_scan_dly << 16) | hsync_len; VOP_MODULE_SET(vop2, vp, bg_dly, bg_dly);