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drm/rockchip: vop2: fix splash screen when vsync less than 8

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Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Change-Id: I065f1e5d4795b10442d285eae2178153be870d02
This commit is contained in:
Sandy Huang
2021-11-12 22:08:18 +08:00
parent d33636a552
commit fb678bd98a
1 changed files with 3 additions and 0 deletions
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drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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@@ -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);