Patch "Revert "drm/radeon: fix DP link training issue with second 4K monitor"" has been added to the 4.8-stable tree

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 <[email protected]> know about it.

From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <[email protected]>
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 <[email protected]>

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

---
 drivers/gpu/drm/radeon/radeon_dp_auxch.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

@@ -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 [email protected] are

queue-4.8/revert-drm-radeon-fix-dp-link-training-issue-with-second-4k-monitor.patch