linux-kernel - [PATCH v2 07/12] drm: bridge/dw_hdmi: enable audio support for No-CEA display resolutions

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Message-Id: <1422617493-25624-1-git-send-email-ykk@rock-chips.com>
Date:	Fri, 30 Jan 2015 06:31:33 -0500
From:	Yakir Yang <ykk@...k-chips.com>
To:	David Airlie <airlied@...ux.ie>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Philipp Zabel <p.zabel@...gutronix.de>
Cc:	Fabio Estevam <fabio.estevam@...escale.com>,
	Shawn Guo <shawn.guo@...aro.org>,
	Rob Clark <robdclark@...il.com>,
	Mark Yao <mark.yao@...k-chips.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Yakir Yang <ykk@...k-chips.com>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	djkurtz@...omium.org, dbehr@...omoum.org, mmind00@...glemail.com,
	dianders@...omium.org, marcheu@...omium.org,
	rockchip-discuss@...omium.org
Subject: [PATCH v2 07/12] drm: bridge/dw_hdmi: enable audio support for No-CEA display resolutions

If the monitor support audio, so we should support audio for it, even if
the display resolution is No-CEA mode.

Signed-off-by: Yakir Yang <ykk@...k-chips.com>
---
Changes in v2:
- enable audio support for No-CEA display mode

 drivers/gpu/drm/bridge/dw_hdmi.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
index e07723c..8cc7b3d 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.c
+++ b/drivers/gpu/drm/bridge/dw_hdmi.c
@@ -1286,13 +1286,10 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
 
 	hdmi->vic = drm_match_cea_mode(mode);
 
-	if (!hdmi->vic) {
+	if (hdmi->hdmi_data.video_mode.mdvi)
 		dev_dbg(hdmi->dev, "Non-CEA mode used in HDMI\n");
-		hdmi->hdmi_data.video_mode.mdvi = true;
-	} else {
+	else
 		dev_dbg(hdmi->dev, "CEA mode used vic=%d\n", hdmi->vic);
-		hdmi->hdmi_data.video_mode.mdvi = false;
-	}
 
 	if ((hdmi->vic == 6) || (hdmi->vic == 7) ||
 	    (hdmi->vic == 21) || (hdmi->vic == 22) ||
@@ -1496,6 +1493,7 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
 {
 	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,
 					     connector);
+	struct hdmi_vmode *vmode = &hdmi->hdmi_data.video_mode;
 	struct edid *edid;
 	int ret;
 
@@ -1507,6 +1505,8 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
 		dev_dbg(hdmi->dev, "got edid: width[%d] x height[%d]\n",
 			edid->width_cm, edid->height_cm);
 
+		vmode->mdvi = !drm_detect_hdmi_monitor(edid);
+
 		drm_mode_connector_update_edid_property(connector, edid);
 		ret = drm_add_edid_modes(connector, edid);
 		kfree(edid);
-- 
2.1.2


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