From: <gregkh@linuxfoundation.org>
To: michel.daenzer@amd.com, alexander.deucher@amd.com,
gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "Revert "drm/radeon: fix DP link training issue with second 4K monitor"" has been added to the 4.8-stable tree
Date: Wed, 09 Nov 2016 09:18:51 +0100 [thread overview]
Message-ID: <147867953116679@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
Revert "drm/radeon: fix DP link training issue with second 4K monitor"
to the 4.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
revert-drm-radeon-fix-dp-link-training-issue-with-second-4k-monitor.patch
and it can be found in the queue-4.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 9dc79965b21967caebde575f5f5d8bf1aa2c23ab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel.daenzer@amd.com>
Date: Mon, 24 Oct 2016 16:52:20 +0900
Subject: Revert "drm/radeon: fix DP link training issue with second 4K monitor"
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From: Michel Dänzer <michel.daenzer@amd.com>
commit 9dc79965b21967caebde575f5f5d8bf1aa2c23ab upstream.
This reverts commit 1a738347df2ee4977459a8776fe2c62196bdcb1b.
It caused at least some Kaveri laptops to incorrectly report DisplayPort
connectors as connected.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97857
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/radeon/radeon_dp_auxch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/radeon_dp_auxch.c
+++ b/drivers/gpu/drm/radeon/radeon_dp_auxch.c
@@ -105,7 +105,7 @@ radeon_dp_aux_transfer_native(struct drm
tmp &= AUX_HPD_SEL(0x7);
tmp |= AUX_HPD_SEL(chan->rec.hpd);
- tmp |= AUX_EN | AUX_LS_READ_EN | AUX_HPD_DISCON(0x1);
+ tmp |= AUX_EN | AUX_LS_READ_EN;
WREG32(AUX_CONTROL + aux_offset[instance], tmp);
Patches currently in stable-queue which might be from michel.daenzer@amd.com are
queue-4.8/revert-drm-radeon-fix-dp-link-training-issue-with-second-4k-monitor.patch
reply other threads:[~2016-11-09 8:19 UTC|newest]
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