diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_gem.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_gem.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 21ec9f5653c..84d04524573 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -159,11 +159,9 @@ void radeon_gem_object_close(struct drm_gem_object *obj, static int radeon_gem_handle_lockup(struct radeon_device *rdev, int r) { if (r == -EDEADLK) { - radeon_mutex_lock(&rdev->cs_mutex); r = radeon_gpu_reset(rdev); if (!r) r = -EAGAIN; - radeon_mutex_unlock(&rdev->cs_mutex); } return r; } @@ -217,12 +215,14 @@ int radeon_gem_create_ioctl(struct drm_device *dev, void *data, uint32_t handle; int r; + down_read(&rdev->exclusive_lock); /* create a gem object to contain this object in */ args->size = roundup(args->size, PAGE_SIZE); r = radeon_gem_object_create(rdev, args->size, args->alignment, args->initial_domain, false, false, &gobj); if (r) { + up_read(&rdev->exclusive_lock); r = radeon_gem_handle_lockup(rdev, r); return r; } @@ -230,10 +230,12 @@ int radeon_gem_create_ioctl(struct drm_device *dev, void *data, /* drop reference from allocate - handle holds it now */ drm_gem_object_unreference_unlocked(gobj); if (r) { + up_read(&rdev->exclusive_lock); r = radeon_gem_handle_lockup(rdev, r); return r; } args->handle = handle; + up_read(&rdev->exclusive_lock); return 0; } @@ -242,6 +244,7 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data, { /* transition the BO to a domain - * just validate the BO into a certain domain */ + struct radeon_device *rdev = dev->dev_private; struct drm_radeon_gem_set_domain *args = data; struct drm_gem_object *gobj; struct radeon_bo *robj; @@ -249,10 +252,12 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data, /* for now if someone requests domain CPU - * just make sure the buffer is finished with */ + down_read(&rdev->exclusive_lock); /* just do a BO wait for now */ gobj = drm_gem_object_lookup(dev, filp, args->handle); if (gobj == NULL) { + up_read(&rdev->exclusive_lock); return -ENOENT; } robj = gem_to_radeon_bo(gobj); @@ -260,6 +265,7 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data, r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain); drm_gem_object_unreference_unlocked(gobj); + up_read(&rdev->exclusive_lock); r = radeon_gem_handle_lockup(robj->rdev, r); return r; } |