linux-kernel - [PATCH 1/5] drm: dw-hdmi: extract dw_hdmi_connector_update

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Date:   Sun, 1 Sep 2019 16:14:38 +0000
From:   Jonas Karlman <jonas@...boo.se>
To:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>
CC:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Sean Paul <sean@...rly.run>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Hans Verkuil <hverkuil@...all.nl>,
        Jerome Brunet <jbrunet@...libre.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jonas Karlman <jonas@...boo.se>
Subject: [PATCH 1/5] drm: dw-hdmi: extract dw_hdmi_connector_update_edid()

Extract code that updates EDID into a dw_hdmi_connector_update_edid()
helper, it will be called from dw_hdmi_connector_detect().

Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 521d689413c8..8ab214dc5ae7 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2171,7 +2171,8 @@ dw_hdmi_connector_detect(struct drm_connector *connector, bool force)
 	return hdmi->phy.ops->read_hpd(hdmi, hdmi->phy.data);
 }
 
-static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
+static int dw_hdmi_connector_update_edid(struct drm_connector *connector,
+					  bool add_modes)
 {
 	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,
 					     connector);
@@ -2190,7 +2191,8 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
 		hdmi->sink_has_audio = drm_detect_monitor_audio(edid);
 		drm_connector_update_edid_property(connector, edid);
 		cec_notifier_set_phys_addr_from_edid(hdmi->cec_notifier, edid);
-		ret = drm_add_edid_modes(connector, edid);
+		if (add_modes)
+			ret = drm_add_edid_modes(connector, edid);
 		kfree(edid);
 	} else {
 		dev_dbg(hdmi->dev, "failed to get edid\n");
@@ -2199,6 +2201,11 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
 	return ret;
 }
 
+static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
+{
+	return dw_hdmi_connector_update_edid(connector, true);
+}
+
 static void dw_hdmi_connector_force(struct drm_connector *connector)
 {
 	struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi,
-- 
2.17.1