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authorKoji Matsuoka2016-05-16 11:28:15 +0900
committerLaurent Pinchart2016-11-15 01:44:50 +0200
commitfd1adef3bff0663c5ac31b45bc4a05fafd43d19b (patch)
tree4e8895caca0db0d50f0551e4c134a6ba1cc99f90 /drivers/gpu/drm
parent9cdced8a39c04cf798ddb2a27cb5952f7d39f633 (diff)
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')
-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);