This is a note to let you know that I've just added the patch titled
drm/radeon/kms: Fix chremap setup on RV770 CE
to the 2.6.39-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:
drm-radeon-kms-fix-chremap-setup-on-rv770-ce.patch
and it can be found in the queue-2.6.39 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <sta...@kernel.org> know about it.
>From daf54f1f363a61c618662ef66d4bf09d2b090941 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeuc...@gmail.com>
Date: Thu, 30 Jun 2011 08:59:55 -0400
Subject: drm/radeon/kms: Fix chremap setup on RV770 CE
From: Alex Deucher <alexdeuc...@gmail.com>
commit daf54f1f363a61c618662ef66d4bf09d2b090941 upstream.
CE variant requires a different chremap setup.
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=35472
Signed-off-by: Alex Deucher <alexdeuc...@gmail.com>
Signed-off-by: Dave Airlie <airl...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@suse.de>
---
drivers/gpu/drm/radeon/rv770.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -572,6 +572,12 @@ static void rv770_program_channel_remap(
else
tcp_chan_steer = 0x00fac688;
+ /* RV770 CE has special chremap setup */
+ if (rdev->pdev->device == 0x944e) {
+ tcp_chan_steer = 0x00b08b08;
+ mc_shared_chremap = 0x00b08b08;
+ }
+
WREG32(TCP_CHAN_STEER, tcp_chan_steer);
WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
}
Patches currently in stable-queue which might be from alexdeuc...@gmail.com are
queue-2.6.39/drm-radeon-kms-fix-chremap-setup-on-rv770-ce.patch
queue-2.6.39/drm-radeon-kms-atom-fix-duallink-on-some-early-dce3.2-cards.patch
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