This is a note to let you know that I've just added the patch titled
drm/radeon: do a posting read in cik_set_irq
to the 3.19-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-do-a-posting-read-in-cik_set_irq.patch
and it can be found in the queue-3.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From cffefd9bb31cd35ab745d3b49005d10616d25bdc Mon Sep 17 00:00:00 2001
From: Alex Deucher <[email protected]>
Date: Mon, 2 Mar 2015 20:45:24 -0500
Subject: drm/radeon: do a posting read in cik_set_irq
From: Alex Deucher <[email protected]>
commit cffefd9bb31cd35ab745d3b49005d10616d25bdc upstream.
To make sure the writes go through the pci bridge.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=90741
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/cik.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -7526,6 +7526,9 @@ int cik_irq_set(struct radeon_device *rd
WREG32(DC_HPD5_INT_CONTROL, hpd5);
WREG32(DC_HPD6_INT_CONTROL, hpd6);
+ /* posting read */
+ RREG32(SRBM_STATUS);
+
return 0;
}
Patches currently in stable-queue which might be from [email protected]
are
queue-3.19/drm-radeon-fix-wait-to-actually-occur-after-the-signaling-callback.patch
queue-3.19/drm-radeon-do-a-posting-read-in-cik_set_irq.patch
queue-3.19/drm-radeon-drop-ttm-two-ended-allocation.patch
queue-3.19/drm-radeon-fix-drm_ioctl_radeon_cs-oops.patch
queue-3.19/drm-radeon-fix-interlaced-modes-on-dce8.patch
queue-3.19/drm-radeon-do-a-posting-read-in-r100_set_irq.patch
queue-3.19/drm-radeon-do-a-posting-read-in-evergreen_set_irq.patch
queue-3.19/drm-radeon-do-a-posting-read-in-r600_set_irq.patch
queue-3.19/drm-radeon-do-a-posting-read-in-rs600_set_irq.patch
queue-3.19/drm-radeon-drop-setting-upll-to-sleep-mode.patch
queue-3.19/drm-radeon-do-a-posting-read-in-si_set_irq.patch
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