This is a note to let you know that I've just added the patch titled
drm/radeon: do a posting read in rs600_set_irq
to the 3.10-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-rs600_set_irq.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 54acf107e4e66d1f4a697e08a7f60dba9fcf07c3 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@xxxxxxx>
Date: Mon, 2 Mar 2015 20:39:56 -0500
Subject: drm/radeon: do a posting read in rs600_set_irq
From: Alex Deucher <alexander.deucher@xxxxxxx>
commit 54acf107e4e66d1f4a697e08a7f60dba9fcf07c3 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 <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/rs600.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -636,6 +636,10 @@ int rs600_irq_set(struct radeon_device *
WREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
if (ASIC_IS_DCE2(rdev))
WREG32(R_007408_HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
+
+ /* posting read */
+ RREG32(R_000040_GEN_INT_CNTL);
+
return 0;
}
Patches currently in stable-queue which might be from alexander.deucher@xxxxxxx are
queue-3.10/drm-radeon-fix-drm_ioctl_radeon_cs-oops.patch
queue-3.10/drm-radeon-do-a-posting-read-in-r100_set_irq.patch
queue-3.10/drm-radeon-do-a-posting-read-in-evergreen_set_irq.patch
queue-3.10/drm-radeon-do-a-posting-read-in-r600_set_irq.patch
queue-3.10/drm-radeon-do-a-posting-read-in-rs600_set_irq.patch
queue-3.10/drm-radeon-drop-setting-upll-to-sleep-mode.patch
queue-3.10/drm-radeon-do-a-posting-read-in-si_set_irq.patch
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