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video: dw_hdmi: fix HSYNC and VSYNC polarity settings

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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>
Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net>
This commit is contained in:
Vasily Khoruzhick 2018-05-14 13:49:53 -07:00 committed by Anatolij Gustschin
parent c7cb17e892
commit 1005e4e5f6
1 changed files with 2 additions and 2 deletions
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4
drivers/video/dw_hdmi.c
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@ -401,11 +401,11 @@ 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);