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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
parent9cdced8a39c04cf798ddb2a27cb5952f7d39f633 (diff)
downloadop-kernel-dev-fd1adef3bff0663c5ac31b45bc4a05fafd43d19b.zip
op-kernel-dev-fd1adef3bff0663c5ac31b45bc4a05fafd43d19b.tar.gz
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>
-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 aca26ee..a2ec6d8 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);
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