This is a note to let you know that I've just added the patch titled
drm/radeon/evergreen+: wait for the MC to settle after MC blackout
to the 3.7-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-evergreen-wait-for-the-mc-to-settle-after-mc-blackout.patch
and it can be found in the queue-3.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From ed39fadd6df01095378e499fac3674883f16b853 Mon Sep 17 00:00:00 2001
From: Alex Deucher <[email protected]>
Date: Thu, 31 Jan 2013 09:00:52 -0500
Subject: drm/radeon/evergreen+: wait for the MC to settle after MC blackout
From: Alex Deucher <[email protected]>
commit ed39fadd6df01095378e499fac3674883f16b853 upstream.
Some chips seem to need a little delay after blacking out
the MC before the requests actually stop.
May fix:
https://bugs.freedesktop.org/show_bug.cgi?id=56139
https://bugs.freedesktop.org/show_bug.cgi?id=57567
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/evergreen.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1345,6 +1345,8 @@ void evergreen_mc_stop(struct radeon_dev
blackout &= ~BLACKOUT_MODE_MASK;
WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
}
+ /* wait for the MC to settle */
+ udelay(100);
}
void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save
*save)
Patches currently in stable-queue which might be from [email protected]
are
queue-3.7/drm-radeon-fix-backend-map-setup-on-1-rb-sumo-boards.patch
queue-3.7/drm-radeon-protect-against-div-by-0-in-backend-setup.patch
queue-3.7/drm-radeon-fix-mc-blackout-on-evergreen.patch
queue-3.7/drm-radeon-add-quirk-for-rv100-board.patch
queue-3.7/drm-radeon-calling-object_unrefer-when-creating-fb-failure.patch
queue-3.7/drm-radeon-evergreen-wait-for-the-mc-to-settle-after-mc-blackout.patch
queue-3.7/drm-radeon-prevent-crash-in-the-ring-space-allocation.patch
queue-3.7/drm-radeon-add-wait_until-to-the-non-vm-safe-regs-list-for-cayman-tn.patch
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