Changes since v1:
- Fixup compiler warning in unpin function.
Signed-off-by: Maarten Lankhorst <maarten.lankho...@canonical.com>
Reviewed-by: Jerome Glisse <jgli...@redhat.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 66a7f0f..6800c5e 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -124,6 +124,7 @@ 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,
@@ -415,6 +416,7 @@ 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);
}
--
1.8.2.2
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