3.12-stable review patch. If anyone has any objections, please let me know.
=============== This reverts commit 40df18b49e7fe4ec9ab93f68c33661ee291149bd, commit f6ff4f67cdf8455d0a4226eeeaf5af17c37d05eb upstream. It causes oopses: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: [<ffffffffa010345d>] radeon_fence_ref+0xd/0x50 [radeon] Signed-off-by: Jiri Slaby <jsl...@suse.cz> Cc: Nicolai Hähnle <nicolai.haeh...@amd.com> Cc: Christian König <christian.koe...@amd.com> --- drivers/gpu/drm/radeon/radeon_sa.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_sa.c b/drivers/gpu/drm/radeon/radeon_sa.c index bb166849aa6e..f0bac68254b7 100644 --- a/drivers/gpu/drm/radeon/radeon_sa.c +++ b/drivers/gpu/drm/radeon/radeon_sa.c @@ -349,13 +349,8 @@ int radeon_sa_bo_new(struct radeon_device *rdev, /* see if we can skip over some allocations */ } while (radeon_sa_bo_next_hole(sa_manager, fences, tries)); - for (i = 0; i < RADEON_NUM_RINGS; ++i) - radeon_fence_ref(fences[i]); - spin_unlock(&sa_manager->wq.lock); r = radeon_fence_wait_any(rdev, fences, false); - for (i = 0; i < RADEON_NUM_RINGS; ++i) - radeon_fence_unref(&fences[i]); spin_lock(&sa_manager->wq.lock); /* if we have nothing to wait for block */ if (r == -ENOENT && block) { -- 2.7.3