This is a note to let you know that I've just added the patch titled
drm/radeon: fix wait in radeon_mn_invalidate_range_start
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-fix-wait-in-radeon_mn_invalidate_range_start.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 <stable@xxxxxxxxxxxxxxx> know about it.
>From 22e2e86560c5fca6f9b9d078f221fcdab9947a5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx>
Date: Tue, 31 Mar 2015 17:36:58 +0200
Subject: drm/radeon: fix wait in radeon_mn_invalidate_range_start
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From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx>
commit 22e2e86560c5fca6f9b9d078f221fcdab9947a5e upstream.
We need to wait for all fences, not just the exclusive one.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_mn.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon_mn.c
+++ b/drivers/gpu/drm/radeon/radeon_mn.c
@@ -122,7 +122,6 @@ static void radeon_mn_invalidate_range_s
it = interval_tree_iter_first(&rmn->objects, start, end);
while (it) {
struct radeon_bo *bo;
- struct fence *fence;
int r;
bo = container_of(it, struct radeon_bo, mn_it);
@@ -134,12 +133,10 @@ static void radeon_mn_invalidate_range_s
continue;
}
- fence = reservation_object_get_excl(bo->tbo.resv);
- if (fence) {
- r = radeon_fence_wait((struct radeon_fence *)fence, false);
- if (r)
- DRM_ERROR("(%d) failed to wait for user bo\n", r);
- }
+ r = reservation_object_wait_timeout_rcu(bo->tbo.resv, true,
+ false, MAX_SCHEDULE_TIMEOUT);
+ if (r)
+ DRM_ERROR("(%d) failed to wait for user bo\n", r);
radeon_ttm_placement_from_domain(bo, RADEON_GEM_DOMAIN_CPU);
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
Patches currently in stable-queue which might be from christian.koenig@xxxxxxx are
queue-3.19/drm-radeon-fix-wait-in-radeon_mn_invalidate_range_start.patch
queue-3.19/drm-radeon-add-extra-check-in-radeon_ttm_tt_unpin_userptr.patch
--
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