[PATCH 64/72] imx-drm: ipuv3-crtc: Use DRM mode flags to configure pixel clock polarity

[Steve Longerbeam]

Previously, pixel clock polarity was hardcoded and wasn't configurable.
This patch adds support to configure the pixel clock polarity from the
DRM mode flags.

Signed-off-by: Mohsin Kazmi <mohsin_kazmi at mentor.com>
Signed-off-by: Steve Longerbeam <steve_longerbeam at mentor.com>
---
 drivers/staging/imx-drm/ipuv3-crtc.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/imx-drm/ipuv3-crtc.c b/drivers/staging/imx-drm/ipuv3-crtc.c
index 316e5bf..65fe429 100644
--- a/drivers/staging/imx-drm/ipuv3-crtc.c
+++ b/drivers/staging/imx-drm/ipuv3-crtc.c
@@ -291,9 +291,10 @@ static int ipu_crtc_mode_set(struct drm_crtc *crtc,
 		sig_cfg.hsync_pol = 1;
 	if (mode->flags & DRM_MODE_FLAG_PVSYNC)
 		sig_cfg.vsync_pol = 1;
+	if (mode->flags & DRM_MODE_FLAG_PCLK)
+		sig_cfg.clk_pol = 1;
 
 	sig_cfg.enable_pol = 1;
-	sig_cfg.clk_pol = 0;
 	sig_cfg.width = mode->hdisplay;
 	sig_cfg.height = mode->vdisplay;
 	sig_cfg.pixel_fmt = out_pixel_fmt;
-- 
1.7.9.5