linux-kernel - [PATCH 4/5] Revert "drm/edid: make drm_edid_to

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Date:   Sun, 1 Sep 2019 16:14:41 +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 4/5] Revert "drm/edid: make drm_edid_to_eld() static"

drm_edid_to_eld() is needed to update stale connector ELD on HPD event.

This reverts part of commit 79436a1c9bcc ("drm/edid: make drm_edid_to_eld() static").

Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
 drivers/gpu/drm/drm_edid.c | 5 +++--
 include/drm/drm_edid.h     | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 82a4ceed3fcf..47c409af0903 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -4069,7 +4069,7 @@ static void clear_eld(struct drm_connector *connector)
 	connector->audio_latency[1] = 0;
 }
 
-/*
+/**
  * drm_edid_to_eld - build ELD from EDID
  * @connector: connector corresponding to the HDMI/DP sink
  * @edid: EDID to parse
@@ -4077,7 +4077,7 @@ static void clear_eld(struct drm_connector *connector)
  * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
  * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
  */
-static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
+void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
 {
 	uint8_t *eld = connector->eld;
 	u8 *cea;
@@ -4162,6 +4162,7 @@ static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
 	DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
 		      drm_eld_size(eld), total_sad_count);
 }
+EXPORT_SYMBOL(drm_edid_to_eld);
 
 /**
  * drm_edid_to_sad - extracts SADs from EDID
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index b9719418c3d2..49987818fe23 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -337,6 +337,7 @@ struct drm_connector;
 struct drm_connector_state;
 struct drm_display_mode;
 
+void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid);
 int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads);
 int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb);
 int drm_av_sync_delay(struct drm_connector *connector,
-- 
2.17.1