Merge pull request #4042 from fritsch/intel-edid

Intel: Fix EDID overriding (makes audio work)
This commit is contained in:
Peter Frühberger 2015-03-26 13:06:34 +01:00
commit b87a7edeca

View File

@ -0,0 +1,51 @@
From 0c60dddcf8a3439f498a2ededbee66005e4ead58 Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Thu, 26 Mar 2015 10:42:00 +0200
Subject: [PATCH] drm/edid: set ELD for firmware and debugfs override EDIDs
If the user supplies EDID through firmware or debugfs override, the
driver callbacks are bypassed and the connector ELD does not get
updated, and audio fails. Set ELD for firmware and debugfs EDIDs too.
There should be no harm in gratuitously doing this for non HDMI/DP
connectors, as it's still up to the driver to use the ELD, if any.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=82349
Reference: https://bugs.freedesktop.org/show_bug.cgi?id=80691
Reported-by: Emil <emilsvennesson@gmail.com>
Reported-by: Rob Engle <grenoble@gmail.com>
Tested-by: Jolan Luff <jolan@gormsby.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
drivers/gpu/drm/drm_edid_load.c | 1 +
drivers/gpu/drm/drm_probe_helper.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/drm_edid_load.c b/drivers/gpu/drm/drm_edid_load.c
index 732cb6f..4c0aa97 100644
--- a/drivers/gpu/drm/drm_edid_load.c
+++ b/drivers/gpu/drm/drm_edid_load.c
@@ -287,6 +287,7 @@ int drm_load_edid_firmware(struct drm_connector *connector)
drm_mode_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
+ drm_edid_to_eld(connector, edid);
kfree(edid);
return ret;
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 7483a47..9bca854 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -152,6 +152,7 @@ static int drm_helper_probe_single_connector_modes_merge_bits(struct drm_connect
struct edid *edid = (struct edid *) connector->edid_blob_ptr->data;
count = drm_add_edid_modes(connector, edid);
+ drm_edid_to_eld(connector, edid);
} else
count = (*connector_funcs->get_modes)(connector);
}
--
1.9.1