From: Christian König Date: Mon, 7 Oct 2024 18:30:19 +0000 (+0200) Subject: drm/radeon: always set GEM function pointer X-Git-Tag: v6.12~216^2~3^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=32fda5650625065b8ae6dbd9967fb572d3835c35;p=platform%2Fkernel%2Flinux-amlogic.git drm/radeon: always set GEM function pointer Make sure to always set the GEM function pointer even for in kernel allocations. This fixes a NULL pointer deref caused by switching to GEM references. Signed-off-by: Christian König Fixes: fd69ef05029f ("drm/radeon: use GEM references instead of TTMs") Acked-by: Alex Deucher Tested-by: Hans de Goede Signed-off-by: Alex Deucher (cherry picked from commit 01b64bc063d014641631867a7e0edd8ac55282d4) --- diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 9735f4968b86..bf2d4b16dc2a 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -44,8 +44,6 @@ struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj); int radeon_gem_prime_pin(struct drm_gem_object *obj); void radeon_gem_prime_unpin(struct drm_gem_object *obj); -const struct drm_gem_object_funcs radeon_gem_object_funcs; - static vm_fault_t radeon_gem_fault(struct vm_fault *vmf) { struct ttm_buffer_object *bo = vmf->vma->vm_private_data; @@ -132,7 +130,6 @@ retry: return r; } *obj = &robj->tbo.base; - (*obj)->funcs = &radeon_gem_object_funcs; robj->pid = task_pid_nr(current); mutex_lock(&rdev->gem.mutex); diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index d0e4b43d155c..7672404fdb29 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -151,6 +151,7 @@ int radeon_bo_create(struct radeon_device *rdev, if (bo == NULL) return -ENOMEM; drm_gem_private_object_init(rdev_to_drm(rdev), &bo->tbo.base, size); + bo->tbo.base.funcs = &radeon_gem_object_funcs; bo->rdev = rdev; bo->surface_reg = -1; INIT_LIST_HEAD(&bo->list);