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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2014-12-08 22:40:59 (GMT)
committerLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2014-12-23 10:01:51 (GMT)
commitf67e1e058b722a2a2af4e40fa80936889f128b4c (patch)
treefef231f7b75144a3e3d020e904f475e5fcd47184 /drivers/gpu/drm/rcar-du
parent1b30dbde8596ca8de2497c2a50d5381dfe62ee8c (diff)
downloadlinux-f67e1e058b722a2a2af4e40fa80936889f128b4c.tar.xz
drm: rcar-du: Output HSYNC instead of CSYNC
The DU outputs by default a composite sync signal (XOR of the horizontal and vertical sync signals) on the HSYNC output pin. As this can confuse devices and isn't needed by any of the supported encoders, configure the HSYNC pin to output the horizontal sync signal. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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 ce280bd..25b762b 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
@@ -144,7 +144,7 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc)
/* Signal polarities */
value = ((mode->flags & DRM_MODE_FLAG_PVSYNC) ? 0 : DSMR_VSL)
| ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? 0 : DSMR_HSL)
- | DSMR_DIPM_DE;
+ | DSMR_DIPM_DE | DSMR_CSPM;
rcar_du_crtc_write(rcrtc, DSMR, value);
/* Display timings */