[PATCH 2/3] video: IPU framebuffer: honor clock and enable polarities

[Jan Luebbe]

These flags are already parsed from DT, so we can just use them to
configure the timings correctly.

Signed-off-by: Jan Luebbe <jlu at pengutronix.de>
---
 drivers/video/imx-ipu-v3/ipufb.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/video/imx-ipu-v3/ipufb.c b/drivers/video/imx-ipu-v3/ipufb.c
index 63024b546d69..343f9e557868 100644
--- a/drivers/video/imx-ipu-v3/ipufb.c
+++ b/drivers/video/imx-ipu-v3/ipufb.c
@@ -128,8 +128,9 @@ int ipu_crtc_mode_set(struct ipufb_info *fbi,
 	if (mode->sync & FB_SYNC_VERT_HIGH_ACT)
 		sig_cfg.Vsync_pol = 1;
 
-	sig_cfg.enable_pol = 1;
-	sig_cfg.clk_pol = 0;
+	sig_cfg.enable_pol = !(mode->display_flags & DISPLAY_FLAGS_DE_LOW);
+	/* Default to driving pixel data on negative clock edges */
+	sig_cfg.clk_pol = !!(mode->display_flags & DISPLAY_FLAGS_PIXDATA_POSEDGE);
 	sig_cfg.width = mode->xres;
 	sig_cfg.height = mode->yres;
 	sig_cfg.h_start_width = mode->left_margin;
-- 
2.1.4