From ddf03f5cdd98c6ea486f3007a5542241634c9093 Mon Sep 17 00:00:00 2001 From: Christian König Date: Thu, 9 Aug 2012 20:02:28 +0200 Subject: drm/radeon: rework VM page table handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Removing the need to wait for anything. Still not ideal, since we need to free pt on va remove. Signed-off-by: Christian König Reviewed-by: Jerome Glisse --- drivers/gpu/drm/radeon/radeon_sa.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) (limited to 'drivers/gpu/drm/radeon/radeon_sa.c') diff --git a/drivers/gpu/drm/radeon/radeon_sa.c b/drivers/gpu/drm/radeon/radeon_sa.c index 4e771240fdd0..105fde69d045 100644 --- a/drivers/gpu/drm/radeon/radeon_sa.c +++ b/drivers/gpu/drm/radeon/radeon_sa.c @@ -316,7 +316,7 @@ int radeon_sa_bo_new(struct radeon_device *rdev, { struct radeon_fence *fences[RADEON_NUM_RINGS]; unsigned tries[RADEON_NUM_RINGS]; - int i, r = -ENOMEM; + int i, r; BUG_ON(align > RADEON_GPU_PAGE_SIZE); BUG_ON(size > sa_manager->size); @@ -331,7 +331,7 @@ int radeon_sa_bo_new(struct radeon_device *rdev, INIT_LIST_HEAD(&(*sa_bo)->flist); spin_lock(&sa_manager->wq.lock); - while(1) { + do { for (i = 0; i < RADEON_NUM_RINGS; ++i) { fences[i] = NULL; tries[i] = 0; @@ -349,26 +349,22 @@ 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)); - if (!block) { - break; - } - spin_unlock(&sa_manager->wq.lock); r = radeon_fence_wait_any(rdev, fences, false); spin_lock(&sa_manager->wq.lock); /* if we have nothing to wait for block */ - if (r == -ENOENT) { + if (r == -ENOENT && block) { r = wait_event_interruptible_locked( sa_manager->wq, radeon_sa_event(sa_manager, size, align) ); + + } else if (r == -ENOENT) { + r = -ENOMEM; } - if (r) { - goto out_err; - } - }; -out_err: + } while (!r); + spin_unlock(&sa_manager->wq.lock); kfree(*sa_bo); *sa_bo = NULL; -- cgit v1.2.3