The H and V syncs of the DP output are always set to active high. This patch fixes the syncs by configuring them according to the videomode. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx> --- drivers/gpu/drm/bridge/tc358767.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index b026b5ef7378..be013bd7b30b 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -726,7 +726,9 @@ static int tc_set_video_mode(struct tc_data *tc, struct drm_display_mode *mode) tc_write(DP0_ACTIVEVAL, (mode->vdisplay << 16) | (mode->hdisplay)); - tc_write(DP0_SYNCVAL, (vsync_len << 16) | (hsync_len << 0)); + tc_write(DP0_SYNCVAL, (vsync_len << 16) | (hsync_len << 0) | + ((mode->flags & DRM_MODE_FLAG_NHSYNC) ? (1 << 15) : 0) | + ((mode->flags & DRM_MODE_FLAG_NVSYNC) ? (1 << 31) : 0)); tc_write(DPIPXLFMT, VS_POL_ACTIVE_LOW | HS_POL_ACTIVE_LOW | DE_POL_ACTIVE_HIGH | SUB_CFG_TYPE_CONFIG1 | DPI_BPP_RGB888); -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel