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authorKoji Matsuoka <koji.matsuoka.xm@renesas.com>2016-05-16 11:28:15 +0900
committerLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2016-11-15 01:44:50 +0200
commitfd1adef3bff0663c5ac31b45bc4a05fafd43d19b (patch)
tree4e8895caca0db0d50f0551e4c134a6ba1cc99f90 /drivers/gpu/drm/rcar-du
parent9cdced8a39c04cf798ddb2a27cb5952f7d39f633 (diff)
downloadlinux-fd1adef3bff0663c5ac31b45bc4a05fafd43d19b.tar.bz2
drm: rcar-du: Fix H/V sync signal polarity configuration
The VSL and HSL bits in the DSMR register set the corresponding horizontal and vertical sync signal polarity to active high. The code got it the wrong way around, fix it. Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com> 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.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
index aca26eed93b1..a2ec6d8796a0 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
@@ -149,8 +149,8 @@ static void rcar_du_crtc_set_display_timing(struct rcar_du_crtc *rcrtc)
rcar_du_group_write(rcrtc->group, rcrtc->index % 2 ? OTAR2 : OTAR, 0);
/* Signal polarities */
- value = ((mode->flags & DRM_MODE_FLAG_PVSYNC) ? 0 : DSMR_VSL)
- | ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? 0 : DSMR_HSL)
+ value = ((mode->flags & DRM_MODE_FLAG_PVSYNC) ? DSMR_VSL : 0)
+ | ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? DSMR_HSL : 0)
| DSMR_DIPM_DISP | DSMR_CSPM;
rcar_du_crtc_write(rcrtc, DSMR, value);