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Diffstat (limited to 'drivers/gpu/drm/rcar-du')
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_crtc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
index 7316fc7fa0bd..aca26eed93b1 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
@@ -172,7 +172,7 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc)
mode->crtc_vsync_start - 1);
rcar_du_crtc_write(rcrtc, VCR, mode->crtc_vtotal - 1);
- rcar_du_crtc_write(rcrtc, DESR, mode->htotal - mode->hsync_start);
+ rcar_du_crtc_write(rcrtc, DESR, mode->htotal - mode->hsync_start - 1);
rcar_du_crtc_write(rcrtc, DEWR, mode->hdisplay);
}