This is a note to let you know that I've just added the patch titled
drm/radeon: fix missing bo reservation
to the 3.13-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-fix-missing-bo-reservation.patch
and it can be found in the queue-3.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 5e386b574cf7e1593e1296e5b0feea4108ed6ad8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <[email protected]>
Date: Thu, 20 Feb 2014 18:47:14 +0100
Subject: drm/radeon: fix missing bo reservation
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From: =?UTF-8?q?Christian=20K=C3=B6nig?= <[email protected]>
commit 5e386b574cf7e1593e1296e5b0feea4108ed6ad8 upstream.
Otherwise we might get a crash here.
Signed-off-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/gpu/drm/radeon/radeon_kms.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -530,6 +530,10 @@ int radeon_driver_open_kms(struct drm_de
radeon_vm_init(rdev, &fpriv->vm);
+ r = radeon_bo_reserve(rdev->ring_tmp_bo.bo, false);
+ if (r)
+ return r;
+
/* map the ib pool buffer read only into
* virtual address space */
bo_va = radeon_vm_bo_add(rdev, &fpriv->vm,
@@ -537,6 +541,8 @@ int radeon_driver_open_kms(struct drm_de
r = radeon_vm_bo_set_addr(rdev, bo_va, RADEON_VA_IB_OFFSET,
RADEON_VM_PAGE_READABLE |
RADEON_VM_PAGE_SNOOPED);
+
+ radeon_bo_unreserve(rdev->ring_tmp_bo.bo);
if (r) {
radeon_vm_fini(rdev, &fpriv->vm);
kfree(fpriv);
Patches currently in stable-queue which might be from [email protected]
are
queue-3.13/drm-radeon-fix-audio-disable-on-dce6.patch
queue-3.13/drm-radeon-fix-missing-bo-reservation.patch
queue-3.13/drm-radeon-fix-cp-semaphores-on-cik.patch
queue-3.13/drm-radeon-free-uvd-ring-on-unload.patch
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