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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2014-12-09 00:40:59 +0200
committerLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2014-12-23 12:01:51 +0200
commitf67e1e058b722a2a2af4e40fa80936889f128b4c (patch)
treefef231f7b75144a3e3d020e904f475e5fcd47184 /drivers/gpu/drm/rcar-du
parent1b30dbde8596ca8de2497c2a50d5381dfe62ee8c (diff)
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 ce280bd390a9..25b762b58765 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 */