aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/radeon_object.c
diff options
context:
space:
mode:
authorChristian König <deathsimple@vodafone.de>2012-05-11 14:57:18 +0200
committerChristian König <deathsimple@vodafone.de>2012-06-21 09:38:43 +0200
commitdb7fce3983ad9b3deebda450121af4aaf6809ce2 (patch)
treec2a0b36453630f26a752ad59fb241c2e5189f997 /drivers/gpu/drm/radeon/radeon_object.c
parent220907d9835ce5181b9f782c862b1ee7a4d24c23 (diff)
drm/radeon: replace vmram_mutex with mclk_lock v2
It is a rw_semaphore now and only write locked while changing the clock. Also the lock is renamed to better reflect what it is protecting. v2: Keep the ttm_vm_ops on IGPs Signed-off-by: Christian König <deathsimple@vodafone.de> Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 830f1a7b486f..6ecb2006e27e 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -154,11 +154,11 @@ retry:
INIT_LIST_HEAD(&bo->va);
radeon_ttm_placement_from_domain(bo, domain);
/* Kernel allocation are uninterruptible */
- mutex_lock(&rdev->vram_mutex);
+ down_read(&rdev->pm.mclk_lock);
r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
&bo->placement, page_align, 0, !kernel, NULL,
acc_size, sg, &radeon_ttm_bo_destroy);
- mutex_unlock(&rdev->vram_mutex);
+ up_read(&rdev->pm.mclk_lock);
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS) {
if (domain == RADEON_GEM_DOMAIN_VRAM) {
@@ -219,9 +219,9 @@ void radeon_bo_unref(struct radeon_bo **bo)
return;
rdev = (*bo)->rdev;
tbo = &((*bo)->tbo);
- mutex_lock(&rdev->vram_mutex);
+ down_read(&rdev->pm.mclk_lock);
ttm_bo_unref(&tbo);
- mutex_unlock(&rdev->vram_mutex);
+ up_read(&rdev->pm.mclk_lock);
if (tbo == NULL)
*bo = NULL;
}