On Tue, Dec 8, 2020 at 3:16 PM Andrey Grodzovsky
<andrey.grodzovsky@xxxxxxx> wrote:
>
> For BOs imported from outside of amdgpu, setting of amdgpu_gem_object_funcs
> was missing in amdgpu_dma_buf_create_obj. Fix by refactoring BO creation
> and amdgpu_gem_object_funcs setting into single function called
> from both code paths.
>
> Fixes: d693def4fd1c ("drm: Remove obsolete GEM and PRIME callbacks
> from struct drm_driver")
>
> v2: Use use amdgpu_gem_object_create() directly
>
> Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c | 8 ++++--
> drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 41 ++++++++++++++++-------------
> 2 files changed, 29 insertions(+), 20 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
> index e5919ef..e42175e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
> @@ -424,6 +424,7 @@ amdgpu_dma_buf_create_obj(struct drm_device *dev, struct dma_buf *dma_buf)
> struct amdgpu_device *adev = drm_to_adev(dev);
> struct amdgpu_bo *bo;
> struct amdgpu_bo_param bp;
> + struct drm_gem_object *gobj;
> int ret;
>
> memset(&bp, 0, sizeof(bp));
> @@ -434,17 +435,20 @@ amdgpu_dma_buf_create_obj(struct drm_device *dev, struct dma_buf *dma_buf)
> bp.type = ttm_bo_type_sg;
> bp.resv = resv;
> dma_resv_lock(resv, NULL);
> - ret = amdgpu_bo_create(adev, &bp, &bo);
> + ret = amdgpu_gem_object_create(adev, dma_buf->size, PAGE_SIZE,
> + AMDGPU_GEM_DOMAIN_CPU,
> + 0, ttm_bo_type_sg, resv, &gobj);
> if (ret)
> goto error;
>
> + bo = gem_to_amdgpu_bo(gobj);
> bo->allowed_domains = AMDGPU_GEM_DOMAIN_GTT;
> bo->preferred_domains = AMDGPU_GEM_DOMAIN_GTT;
> if (dma_buf->ops != &amdgpu_dmabuf_ops)
> bo->prime_shared_count = 1;
>
> dma_resv_unlock(resv);
> - return &bo->tbo.base;
> + return gobj;
>
> error:
> dma_resv_unlock(resv);
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> index c9f94fb..ccf4d80 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> @@ -70,26 +70,12 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
> bp.type = type;
> bp.resv = resv;
> bp.preferred_domain = initial_domain;
> -retry:
> bp.flags = flags;
> bp.domain = initial_domain;
> r = amdgpu_bo_create(adev, &bp, &bo);
> - if (r) {
> - if (r != -ERESTARTSYS) {
> - if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
> - flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
> - goto retry;
> - }
> -
> - if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) {
> - initial_domain |= AMDGPU_GEM_DOMAIN_GTT;
> - goto retry;
> - }
> - DRM_DEBUG("Failed to allocate GEM object (%ld, %d, %u, %d)\n",
> - size, initial_domain, alignment, r);
> - }
> + if (r)
> return r;
> - }
> +
> *obj = &bo->tbo.base;
> (*obj)->funcs = &amdgpu_gem_object_funcs;
>
> @@ -239,7 +225,7 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
> uint64_t size = args->in.bo_size;
> struct dma_resv *resv = NULL;
> struct drm_gem_object *gobj;
> - uint32_t handle;
> + uint32_t handle, initial_domain;
> int r;
>
> /* reject invalid gem flags */
> @@ -283,9 +269,28 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
> resv = vm->root.base.bo->tbo.base.resv;
> }
>
> +retry:
> + initial_domain = (u32)(0xffffffff & args->in.domains);
> r = amdgpu_gem_object_create(adev, size, args->in.alignment,
> - (u32)(0xffffffff & args->in.domains),
> + initial_domain,
> flags, ttm_bo_type_device, resv, &gobj);
> + if (r) {
> + if (r != -ERESTARTSYS) {
> + if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
> + flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
> + goto retry;
> + }
> +
> + if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) {
> + initial_domain |= AMDGPU_GEM_DOMAIN_GTT;
> + goto retry;
> + }
> + DRM_DEBUG("Failed to allocate GEM object (%ld, %d, %u, %d)\n",
> + size, initial_domain, args->in.alignment, r);
Just noticed this, size and args->in.alignment are u64, so these
should be %llu. With that fixed, my RB still stands.
Alex
> + }
> + return r;
> + }
> +
> if (flags & AMDGPU_GEM_CREATE_VM_ALWAYS_VALID) {
> if (!r) {
> struct amdgpu_bo *abo = gem_to_amdgpu_bo(gobj);
> --
> 2.7.4
>
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