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[U-Boot,2/2] video: dw_hdmi: fix HSYNC and VSYNC polarity settings

Message ID 20180428215729.22048-3-anarsoul@gmail.com
State Superseded
Delegated to: Anatolij Gustschin
Headers show
Series video: dw_hdmi: fix HSYNC and VSYNC polarity settings | expand

Commit Message

Vasily Khoruzhick April 28, 2018, 9:57 p.m. UTC 
Currently dw_hdmi configures HSYNC polarity using VSYNC setting from
EDID and vice versa. Fix it, since it breaks displays where HSYNC
and VSYNC polarity differs

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
 drivers/video/dw_hdmi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/video/dw_hdmi.c b/drivers/video/dw_hdmi.c
index 6039d676c5..809e29b45f 100644
--- a/drivers/video/dw_hdmi.c
+++ b/drivers/video/dw_hdmi.c
@@ -402,11 +402,11 @@  static void hdmi_av_composer(struct dw_hdmi *hdmi,
 	/* set up hdmi_fc_invidconf */
 	inv_val = HDMI_FC_INVIDCONF_HDCP_KEEPOUT_INACTIVE;
 
-	inv_val |= (edid->flags & DISPLAY_FLAGS_HSYNC_HIGH ?
+	inv_val |= (edid->flags & DISPLAY_FLAGS_VSYNC_HIGH ?
 		   HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_HIGH :
 		   HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_LOW);
 
-	inv_val |= (edid->flags & DISPLAY_FLAGS_VSYNC_HIGH ?
+	inv_val |= (edid->flags & DISPLAY_FLAGS_HSYNC_HIGH ?
 		   HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_HIGH :
 		   HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_LOW);