[PATCH 4/7] drm/radeon: Fill out gem_object->resv

Daniel Vetter daniel.vetter at ffwll.ch
Tue Jun 25 20:42:05 UTC 2019

That way we can ditch our gem_prime_res_obj implementation. Since ttm
absolutely needs the right reservation object all the boilerplate is
already there and we just have to wire it up correctly.

Note that gem/prime doesn't care when we do this, as long as we do it
before the bo is registered and someone can call the handle2fd ioctl
on it.

Aside: ttm_buffer_object.ttm_resv could probably be ditched in favour
of always passing a non-NULL resv to ttm_bo_init(). At least for gem
drivers that would avoid having two of these, on in ttm_buffer_object
and the other in drm_gem_object, one just there for confusion.

Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: Alex Deucher <alexander.deucher at amd.com>
Cc: "Christian K├Ânig" <christian.koenig at amd.com>
Cc: "David (ChunMing) Zhou" <David1.Zhou at amd.com>
Cc: amd-gfx at lists.freedesktop.org
 drivers/gpu/drm/radeon/radeon_drv.c    | 2 --
 drivers/gpu/drm/radeon/radeon_object.c | 1 +
 drivers/gpu/drm/radeon/radeon_prime.c  | 7 -------
 3 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 4403e76e1ae0..a4a78dfdef37 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -152,7 +152,6 @@ struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
 							struct sg_table *sg);
 int radeon_gem_prime_pin(struct drm_gem_object *obj);
 void radeon_gem_prime_unpin(struct drm_gem_object *obj);
-struct reservation_object *radeon_gem_prime_res_obj(struct drm_gem_object *);
 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
@@ -566,7 +565,6 @@ static struct drm_driver kms_driver = {
 	.gem_prime_export = radeon_gem_prime_export,
 	.gem_prime_pin = radeon_gem_prime_pin,
 	.gem_prime_unpin = radeon_gem_prime_unpin,
-	.gem_prime_res_obj = radeon_gem_prime_res_obj,
 	.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_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 21f73fc86f38..7a2bad843f8a 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -262,6 +262,7 @@ int radeon_bo_create(struct radeon_device *rdev,
 	r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
 			&bo->placement, page_align, !kernel, acc_size,
 			sg, resv, &radeon_ttm_bo_destroy);
+	bo->gem_base.resv = bo->tbo.resv;
 	if (unlikely(r != 0)) {
 		return r;
diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
index deaffce50a2e..8ce3e8045d42 100644
--- a/drivers/gpu/drm/radeon/radeon_prime.c
+++ b/drivers/gpu/drm/radeon/radeon_prime.c
@@ -117,13 +117,6 @@ void radeon_gem_prime_unpin(struct drm_gem_object *obj)
-struct reservation_object *radeon_gem_prime_res_obj(struct drm_gem_object *obj)
-	struct radeon_bo *bo = gem_to_radeon_bo(obj);
-	return bo->tbo.resv;
 struct dma_buf *radeon_gem_prime_export(struct drm_gem_object *gobj,
 					int flags)

More information about the amd-gfx mailing list