linux-kernel - [PATCH] drm/panel: update EDID BLOB in panel_simple_get

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Message-Id: <1389292654-20491-1-git-send-email-swarren@wwwdotorg.org>
Date:	Thu,  9 Jan 2014 11:37:34 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Thierry Reding <thierry.reding@...il.com>
Cc:	David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, Stephen Warren <swarren@...dia.com>
Subject: [PATCH] drm/panel: update EDID BLOB in panel_simple_get_modes()

From: Stephen Warren <swarren@...dia.com>

This stashes away the EDID data so that the sysfs per-connector file
"edid" can display it. Without this change, the "edid" file is always
empty.

Signed-off-by: Stephen Warren <swarren@...dia.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 520b569ae3c8..59d52ca2c67f 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -162,6 +162,7 @@ static int panel_simple_get_modes(struct drm_panel *panel)
 	/* probe EDID if a DDC bus is available */
 	if (p->ddc) {
 		struct edid *edid = drm_get_edid(panel->connector, p->ddc);
+		drm_mode_connector_update_edid_property(panel->connector, edid);
 		if (edid) {
 			num += drm_add_edid_modes(panel->connector, edid);
 			kfree(edid);
-- 
1.8.1.5

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