Changes since v1: - Fixup compiler warning in unpin function.
Signed-off-by: Maarten Lankhorst maarten.lankhorst@canonical.com Reviewed-by: Jerome Glisse jglisse@redhat.com Acked-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/radeon/radeon_drv.c | 2 ++ drivers/gpu/drm/radeon/radeon_prime.c | 18 +++++++++++++----- 2 files changed, 15 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 094e7e5..f191e97 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -127,6 +127,7 @@ struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev, size_t size, struct sg_table *sg); int radeon_gem_prime_pin(struct drm_gem_object *obj); +void radeon_gem_prime_unpin(struct drm_gem_object *obj); void *radeon_gem_prime_vmap(struct drm_gem_object *obj); void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd, @@ -422,6 +423,7 @@ static struct drm_driver kms_driver = { .gem_prime_export = drm_gem_prime_export, .gem_prime_import = drm_gem_prime_import, .gem_prime_pin = radeon_gem_prime_pin, + .gem_prime_unpin = radeon_gem_prime_unpin, .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table, .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table, .gem_prime_vmap = radeon_gem_prime_vmap, diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c index 4940af7..65b9eab 100644 --- a/drivers/gpu/drm/radeon/radeon_prime.c +++ b/drivers/gpu/drm/radeon/radeon_prime.c @@ -88,11 +88,19 @@ int radeon_gem_prime_pin(struct drm_gem_object *obj)
/* pin buffer into GTT */ ret = radeon_bo_pin(bo, RADEON_GEM_DOMAIN_GTT, NULL); - if (ret) { - radeon_bo_unreserve(bo); - return ret; - } radeon_bo_unreserve(bo); + return ret; +} + +void radeon_gem_prime_unpin(struct drm_gem_object *obj) +{ + struct radeon_bo *bo = gem_to_radeon_bo(obj); + int ret = 0;
- return 0; + ret = radeon_bo_reserve(bo, false); + if (unlikely(ret != 0)) + return; + + radeon_bo_unpin(bo); + radeon_bo_unreserve(bo); }