Attachment 48977 Details for Bug 39027 – fix

[patch] fix

0001-drm-radeon-kms-fix-regression-in-hotplug.patch (text/plain), 1.18 KB, created by Alex Deucher on 2011-07-11 07:48:50 UTC

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Creator: Alex Deucher

Created: 2011-07-11 07:48:50 UTC

Size: 1.18 KB

patch

obsolete

>From 4b9811cf1ed999472a47c18d5bd3293f2d6c51fb Mon Sep 17 00:00:00 2001
>From: Alex Deucher <alexdeucher@gmail.com>
>Date: Mon, 11 Jul 2011 10:46:37 -0400
>Subject: [PATCH] drm/radeon/kms: fix regression in hotplug
>
>Skip connectors that do not have an HPD pin.
>
>Should fix:
>https://bugs.freedesktop.org/show_bug.cgi?id=39027
>
>Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
>---
> drivers/gpu/drm/radeon/radeon_connectors.c |    6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
>diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
>index cbfca3a..9792d4f 100644
>--- a/drivers/gpu/drm/radeon/radeon_connectors.c
>+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
>@@ -52,6 +52,12 @@ void radeon_connector_hotplug(struct drm_connector *connector)
> 	struct radeon_device *rdev = dev->dev_private;
> 	struct radeon_connector *radeon_connector = to_radeon_connector(connector);
> 
>+	/* bail if the connector does not have hpd pin, e.g.,
>+	 * VGA, TV, etc.
>+	 */
>+	if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
>+		return;
>+
> 	radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
> 
> 	/* powering up/down the eDP panel generates hpd events which
>-- 
>1.7.1.1
>

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