search for: drm_gem_object_init

...rs/gpu/drm/virtio/virtgpu_object.c index 1483dae..6f66b73 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -81,8 +81,10 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, return -ENOMEM; size = roundup(size, PAGE_SIZE); ret = drm_gem_object_init(vgdev->ddev, &bo->gem_base, size); - if (ret != 0) + if (ret != 0) { + kfree(bo); return ret; + } bo->dumb = false; virtio_gpu_init_ttm_placement(bo, pinned); -- 2.9.3

...rs/gpu/drm/virtio/virtgpu_object.c index 1483dae..6f66b73 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -81,8 +81,10 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, return -ENOMEM; size = roundup(size, PAGE_SIZE); ret = drm_gem_object_init(vgdev->ddev, &bo->gem_base, size); - if (ret != 0) + if (ret != 0) { + kfree(bo); return ret; + } bo->dumb = false; virtio_gpu_init_ttm_placement(bo, pinned); -- 2.9.3

...be a problem ... > and even when it uses GEM objects, the > code will not initialize the GEM object until after the buffer objects > and the backing TTM objects have been created. ... but the initialization order is. ttm_bo_uses_embedded_gem_object() assumes gem gets initialized first. drm_gem_object_init() init calling drm_vma_node_reset() again is probably the root cause for the breakage. > I tried to fix that by making sure drm_gem_object_init() gets called by > Nouveau before ttm_bo_init(), but the changes are fairly involved and I > was unable to get the GEM reference counting right....

...c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -205,13 +205,13 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain, /* Initialize the embedded gem-object. We return a single gem-reference * to the caller, instead of a normal nouveau_bo ttm reference. */ - ret = drm_gem_object_init(drm->dev, &nvbo->gem, nvbo->bo.mem.size); + ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, nvbo->bo.mem.size); if (ret) { nouveau_bo_ref(NULL, pnvbo); return -ENOMEM; } - nvbo->bo.persistent_swap_storage = nvbo->gem.filp; + nvbo->bo.persistent_swa...

...c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -205,13 +205,13 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain, /* Initialize the embedded gem-object. We return a single gem-reference * to the caller, instead of a normal nouveau_bo ttm reference. */ - ret = drm_gem_object_init(drm->dev, &nvbo->gem, nvbo->bo.mem.size); + ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, nvbo->bo.mem.size); if (ret) { nouveau_bo_ref(NULL, pnvbo); return -ENOMEM; } - nvbo->bo.persistent_swap_storage = nvbo->gem.filp; + nvbo->bo.persistent_swa...

...c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -205,13 +205,13 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain, /* Initialize the embedded gem-object. We return a single gem-reference * to the caller, instead of a normal nouveau_bo ttm reference. */ - ret = drm_gem_object_init(drm->dev, &nvbo->gem, nvbo->bo.mem.size); + ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, nvbo->bo.mem.size); if (ret) { nouveau_bo_ref(NULL, pnvbo); return -ENOMEM; } - nvbo->bo.persistent_swap_storage = nvbo->gem.filp; + nvbo->bo.persistent_swa...

...c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -205,13 +205,13 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain, /* Initialize the embedded gem-object. We return a single gem-reference * to the caller, instead of a normal nouveau_bo ttm reference. */ - ret = drm_gem_object_init(drm->dev, &nvbo->gem, nvbo->bo.mem.size); + ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, nvbo->bo.mem.size); if (ret) { nouveau_bo_ref(NULL, pnvbo); return -ENOMEM; } - nvbo->bo.persistent_swap_storage = nvbo->gem.filp; + nvbo->bo.persistent_swa...

...c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -205,13 +205,13 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain, /* Initialize the embedded gem-object. We return a single gem-reference * to the caller, instead of a normal nouveau_bo ttm reference. */ - ret = drm_gem_object_init(drm->dev, &nvbo->gem, nvbo->bo.mem.size); + ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, nvbo->bo.mem.size); if (ret) { nouveau_bo_ref(NULL, pnvbo); return -ENOMEM; } - nvbo->bo.persistent_swap_storage = nvbo->gem.filp; + nvbo->bo.persistent_swa...

...uses GEM objects, the > > code will not initialize the GEM object until after the buffer objects > > and the backing TTM objects have been created. > > ... but the initialization order is. > > ttm_bo_uses_embedded_gem_object() assumes gem gets initialized first. > > drm_gem_object_init() init calling drm_vma_node_reset() again is > probably the root cause for the breakage. > > > I tried to fix that by making sure drm_gem_object_init() gets called by > > Nouveau before ttm_bo_init(), but the changes are fairly involved and I > > was unable to get the GEM r...

...drm/nouveau/nouveau_gem.c index e11303fbc..45582a8dc 100644 --- a/drm/nouveau/nouveau_gem.c +++ b/drm/nouveau/nouveau_gem.c @@ -198,7 +198,8 @@ nouveau_gem_new(struct nouveau_cli *cli, u64 size, int align, uint32_t domain, * to the caller, instead of a normal nouveau_bo ttm reference. */ ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, size); if (ret) { - nouveau_bo_ref(NULL, &nvbo); + drm_gem_object_release(&nvbo->bo.base); + kfree(nvbo); return ret; } -- 2.26.2

...li, u64 size, int align, uint32_t domain, if (IS_ERR(nvbo)) return PTR_ERR(nvbo); + nvbo->bo.base.funcs = &nouveau_gem_object_funcs; + /* Initialize the embedded gem-object. We return a single gem-reference * to the caller, instead of a normal nouveau_bo ttm reference. */ ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, size); diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.h b/drivers/gpu/drm/nouveau/nouveau_gem.h index 978e07591990..b35c180322e2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.h +++ b/drivers/gpu/drm/nouveau/nouveau_gem.h @@ -5,6 +5,8 @@ #include "nouve...

...li, u64 size, int align, uint32_t domain, if (IS_ERR(nvbo)) return PTR_ERR(nvbo); + nvbo->bo.base.funcs = &nouveau_gem_object_funcs; + /* Initialize the embedded gem-object. We return a single gem-reference * to the caller, instead of a normal nouveau_bo ttm reference. */ ret = drm_gem_object_init(drm->dev, &nvbo->bo.base, size); diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.h b/drivers/gpu/drm/nouveau/nouveau_gem.h index 978e07591990..b35c180322e2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.h +++ b/drivers/gpu/drm/nouveau/nouveau_gem.h @@ -5,6 +5,8 @@ #include "nouve...

...> unsigned long size) > { > @@ -143,6 +156,8 @@ static struct exynos_drm_gem *exynos_drm_gem_init(struct drm_device *dev, > exynos_gem->size = size; > obj = &exynos_gem->base; > > + obj->funcs = &exynos_drm_gem_object_funcs; > + > ret = drm_gem_object_init(dev, obj, size); > if (ret < 0) { > DRM_DEV_ERROR(dev->dev, "failed to initialize gem object\n"); > -- > 2.28.0 > -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch

...t;mman.bdev, params->size, sizeof(struct virtio_gpu_object)); bo = kzalloc(sizeof(struct virtio_gpu_object), GFP_KERNEL); @@ -104,19 +99,20 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, kfree(bo); return ret; } - size = roundup(size, PAGE_SIZE); - ret = drm_gem_object_init(vgdev->ddev, &bo->gem_base, size); + params->size = roundup(params->size, PAGE_SIZE); + ret = drm_gem_object_init(vgdev->ddev, &bo->gem_base, params->size); if (ret != 0) { virtio_gpu_resource_id_put(vgdev, bo->hw_res_handle); kfree(bo); return ret; }...

...m_device *dev, > size_t size) > { > @@ -66,6 +79,8 @@ static struct xen_gem_object *gem_create_obj(struct drm_device *dev, > if (!xen_obj) > return ERR_PTR(-ENOMEM); > > + xen_obj->base.funcs = &xen_drm_front_gem_object_funcs; > + > ret = drm_gem_object_init(dev, &xen_obj->base, size); > if (ret < 0) { > kfree(xen_obj);

Drop vma_node from ttm_buffer_object, use the gem struct (base.vma_node) instead. Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> Reviewed-by: Christian K?nig <christian.koenig at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 +- drivers/gpu/drm/qxl/qxl_object.h | 2 +- drivers/gpu/drm/radeon/radeon_object.h | 2 +- drivers/gpu/drm/virtio/virtgpu_drv.h

Drop vma_node from ttm_buffer_object, use the gem struct (base.vma_node) instead. Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> Reviewed-by: Christian K?nig <christian.koenig at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 +- drivers/gpu/drm/qxl/qxl_object.h | 2 +- drivers/gpu/drm/radeon/radeon_object.h | 2 +- drivers/gpu/drm/virtio/virtgpu_drv.h

Drop vma_node from ttm_buffer_object, use the gem struct (base.vma_node) instead. Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> Reviewed-by: Christian K?nig <christian.koenig at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 +- drivers/gpu/drm/qxl/qxl_object.h | 2 +- drivers/gpu/drm/radeon/radeon_object.h | 2 +- drivers/gpu/drm/virtio/virtgpu_drv.h

...;mman.bdev, params->size, sizeof(struct virtio_gpu_object)); bo = kzalloc(sizeof(struct virtio_gpu_object), GFP_KERNEL); @@ -117,19 +111,20 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, kfree(bo); return ret; } - size = roundup(size, PAGE_SIZE); - ret = drm_gem_object_init(vgdev->ddev, &bo->gem_base, size); + params->size = roundup(params->size, PAGE_SIZE); + ret = drm_gem_object_init(vgdev->ddev, &bo->gem_base, params->size); if (ret != 0) { virtio_gpu_resource_id_put(vgdev, bo->hw_res_handle); kfree(bo); return ret; }...

...ist); mutex_unlock(&qdev->gem.mutex); - drm_gem_object_release(&bo->gem_base); + drm_gem_object_release(&bo->tbo.base); kfree(bo); } @@ -95,7 +95,7 @@ int qxl_bo_create(struct qxl_device *qdev, if (bo == NULL) return -ENOMEM; size = roundup(size, PAGE_SIZE); - r = drm_gem_object_init(&qdev->ddev, &bo->gem_base, size); + r = drm_gem_object_init(&qdev->ddev, &bo->tbo.base, size); if (unlikely(r)) { kfree(bo); return r; @@ -214,20 +214,20 @@ void qxl_bo_unref(struct qxl_bo **bo) if ((*bo) == NULL) return; - drm_gem_object_put_unlocked(&am...