The patch below does not apply to the 4.0-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 9fb2bcf928ed5c664affaeb7edf9cc19f590b9f3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@xxxxxxx>
Date: Mon, 27 Apr 2015 17:04:37 +0200
Subject: [PATCH] drm/radeon: fix userptr return value checking (v2)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Otherwise we print false warning from time to time.
v2: agd5f: rebase
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx>
CC: stable@xxxxxxxxxxxxxxx
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
diff --git a/drivers/gpu/drm/radeon/radeon_mn.c b/drivers/gpu/drm/radeon/radeon_mn.c
index 01701376b239..535bf404b725 100644
--- a/drivers/gpu/drm/radeon/radeon_mn.c
+++ b/drivers/gpu/drm/radeon/radeon_mn.c
@@ -135,7 +135,7 @@ static void radeon_mn_invalidate_range_start(struct mmu_notifier *mn,
while (it) {
struct radeon_mn_node *node;
struct radeon_bo *bo;
- int r;
+ long r;
node = container_of(it, struct radeon_mn_node, it);
it = interval_tree_iter_next(it, start, end);
@@ -144,19 +144,19 @@ static void radeon_mn_invalidate_range_start(struct mmu_notifier *mn,
r = radeon_bo_reserve(bo, true);
if (r) {
- DRM_ERROR("(%d) failed to reserve user bo\n", r);
+ DRM_ERROR("(%ld) failed to reserve user bo\n", r);
continue;
}
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);
+ if (r <= 0)
+ DRM_ERROR("(%ld) 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);
if (r)
- DRM_ERROR("(%d) failed to validate user bo\n", r);
+ DRM_ERROR("(%ld) failed to validate user bo\n", r);
radeon_bo_unreserve(bo);
}
--
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