This is a note to let you know that I've just added the patch titled
drm/radeon: disable MSI on RV515
to the 3.3-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-disable-msi-on-rv515.patch
and it can be found in the queue-3.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 16a5e32b83fd946312b9b13590c75d20c95c5202 Mon Sep 17 00:00:00 2001
From: Dave Airlie <[email protected]>
Date: Fri, 13 Apr 2012 11:14:50 +0100
Subject: drm/radeon: disable MSI on RV515
From: Dave Airlie <[email protected]>
commit 16a5e32b83fd946312b9b13590c75d20c95c5202 upstream.
My rv515 card is very flaky with msi enabled. Every so often it loses a rearm
and never comes back, manually banging the rearm brings it back.
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/radeon_irq_kms.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -147,6 +147,12 @@ static bool radeon_msi_ok(struct radeon_
(rdev->pdev->subsystem_device == 0x01fd))
return true;
+ /* RV515 seems to have MSI issues where it loses
+ * MSI rearms occasionally. This leads to lockups and freezes.
+ * disable it by default.
+ */
+ if (rdev->family == CHIP_RV515)
+ return false;
if (rdev->flags & RADEON_IS_IGP) {
/* APUs work fine with MSIs */
if (rdev->family >= CHIP_PALM)
Patches currently in stable-queue which might be from [email protected] are
queue-3.3/drm-radeon-kms-fix-the-regression-of-dvi-connector-check.patch
queue-3.3/drm-radeon-fix-load-detect-on-rn50-with-hardcoded-edids.patch
queue-3.3/drm-radeon-kms-fix-dvo-setup-on-some-r4xx-chips.patch
queue-3.3/drm-radeon-disable-msi-on-rv515.patch
queue-3.3/drm-radeon-only-add-the-mm-i2c-bus-if-the-hw_i2c-module-param-is-set.patch
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