[PATCH 4/5] drm/amdgpu: remove adev pointer from struct amdgpu_bo
Alex Deucher
alexdeucher at gmail.com
Thu Sep 15 18:30:51 UTC 2016
On Thu, Sep 15, 2016 at 9:10 AM, Christian König
<deathsimple at vodafone.de> wrote:
> From: Christian König <christian.koenig at amd.com>
>
> It's completely pointsless to have two pointers to the
> device in the same structur.
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 6 +++-
> drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 10 +++---
> drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 4 +--
> drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c | 4 +--
> drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 50 ++++++++++++++++--------------
> drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 3 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 17 +++-------
> drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 2 +-
> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
> 9 files changed, 50 insertions(+), 48 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index 3b3981d..ed91f08 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -465,7 +465,6 @@ struct amdgpu_bo {
> */
> struct list_head va;
> /* Constant after initialization */
> - struct amdgpu_device *adev;
> struct drm_gem_object gem_base;
> struct amdgpu_bo *parent;
> struct amdgpu_bo *shadow;
> @@ -2144,6 +2143,11 @@ struct amdgpu_device {
>
> };
>
> +static inline struct amdgpu_device *amdgpu_get_adev(struct ttm_bo_device *bdev)
> +{
> + return container_of(bdev, struct amdgpu_device, mman.bdev);
> +}
Maybe call this amdgpu_ttm_get_adev() to make it clear to to get the
adev from a ttm bo device?
Alex
> +
> bool amdgpu_device_is_px(struct drm_device *dev);
> int amdgpu_device_init(struct amdgpu_device *adev,
> struct drm_device *ddev,
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index 187c366..5beab71 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -355,6 +355,7 @@ static void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev,
> static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
> struct amdgpu_bo *bo)
> {
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->tbo.bdev);
> u64 initial_bytes_moved;
> uint32_t domain;
> int r;
> @@ -372,9 +373,9 @@ static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p,
>
> retry:
> amdgpu_ttm_placement_from_domain(bo, domain);
> - initial_bytes_moved = atomic64_read(&bo->adev->num_bytes_moved);
> + initial_bytes_moved = atomic64_read(&adev->num_bytes_moved);
> r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false);
> - p->bytes_moved += atomic64_read(&bo->adev->num_bytes_moved) -
> + p->bytes_moved += atomic64_read(&adev->num_bytes_moved) -
> initial_bytes_moved;
>
> if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {
> @@ -400,6 +401,7 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p,
>
> struct amdgpu_bo_list_entry *candidate = p->evictable;
> struct amdgpu_bo *bo = candidate->robj;
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->tbo.bdev);
> u64 initial_bytes_moved;
> uint32_t other;
>
> @@ -420,9 +422,9 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p,
>
> /* Good we can try to move this BO somewhere else */
> amdgpu_ttm_placement_from_domain(bo, other);
> - initial_bytes_moved = atomic64_read(&bo->adev->num_bytes_moved);
> + initial_bytes_moved = atomic64_read(&adev->num_bytes_moved);
> r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false);
> - p->bytes_moved += atomic64_read(&bo->adev->num_bytes_moved) -
> + p->bytes_moved += atomic64_read(&adev->num_bytes_moved) -
> initial_bytes_moved;
>
> if (unlikely(r))
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> index 70e294b..480ae7e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
> @@ -121,7 +121,7 @@ int amdgpu_gem_object_open(struct drm_gem_object *obj,
> struct drm_file *file_priv)
> {
> struct amdgpu_bo *rbo = gem_to_amdgpu_bo(obj);
> - struct amdgpu_device *adev = rbo->adev;
> + struct amdgpu_device *adev = amdgpu_get_adev(rbo->tbo.bdev);
> struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
> struct amdgpu_vm *vm = &fpriv->vm;
> struct amdgpu_bo_va *bo_va;
> @@ -144,7 +144,7 @@ void amdgpu_gem_object_close(struct drm_gem_object *obj,
> struct drm_file *file_priv)
> {
> struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
> - struct amdgpu_device *adev = bo->adev;
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->tbo.bdev);
> struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
> struct amdgpu_vm *vm = &fpriv->vm;
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
> index 32fa7b7..4731231 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
> @@ -285,7 +285,7 @@ free_rmn:
> int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
> {
> unsigned long end = addr + amdgpu_bo_size(bo) - 1;
> - struct amdgpu_device *adev = bo->adev;
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->tbo.bdev);
> struct amdgpu_mn *rmn;
> struct amdgpu_mn_node *node = NULL;
> struct list_head bos;
> @@ -340,7 +340,7 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
> */
> void amdgpu_mn_unregister(struct amdgpu_bo *bo)
> {
> - struct amdgpu_device *adev = bo->adev;
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->tbo.bdev);
> struct amdgpu_mn *rmn;
> struct list_head *head;
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> index 4289c31..5cbe803 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
> @@ -90,18 +90,19 @@ static void amdgpu_update_memory_usage(struct amdgpu_device *adev,
>
> static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
> {
> + struct amdgpu_device *adev = amdgpu_get_adev(tbo->bdev);
> struct amdgpu_bo *bo;
>
> bo = container_of(tbo, struct amdgpu_bo, tbo);
>
> - amdgpu_update_memory_usage(bo->adev, &bo->tbo.mem, NULL);
> + amdgpu_update_memory_usage(adev, &bo->tbo.mem, NULL);
>
> drm_gem_object_release(&bo->gem_base);
> amdgpu_bo_unref(&bo->parent);
> if (!list_empty(&bo->shadow_list)) {
> - mutex_lock(&bo->adev->shadow_list_lock);
> + mutex_lock(&adev->shadow_list_lock);
> list_del_init(&bo->shadow_list);
> - mutex_unlock(&bo->adev->shadow_list_lock);
> + mutex_unlock(&adev->shadow_list_lock);
> }
> kfree(bo->metadata);
> kfree(bo);
> @@ -212,8 +213,10 @@ static void amdgpu_ttm_placement_init(struct amdgpu_device *adev,
>
> void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *rbo, u32 domain)
> {
> - amdgpu_ttm_placement_init(rbo->adev, &rbo->placement,
> - rbo->placements, domain, rbo->flags);
> + struct amdgpu_device *adev = amdgpu_get_adev(rbo->tbo.bdev);
> +
> + amdgpu_ttm_placement_init(adev, &rbo->placement, rbo->placements,
> + domain, rbo->flags);
> }
>
> static void amdgpu_fill_placement_to_bo(struct amdgpu_bo *bo,
> @@ -359,7 +362,6 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
> kfree(bo);
> return r;
> }
> - bo->adev = adev;
> INIT_LIST_HEAD(&bo->shadow_list);
> INIT_LIST_HEAD(&bo->va);
> bo->prefered_domains = domain & (AMDGPU_GEM_DOMAIN_VRAM |
> @@ -624,6 +626,7 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
> u64 min_offset, u64 max_offset,
> u64 *gpu_addr)
> {
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->tbo.bdev);
> int r, i;
> unsigned fpfn, lpfn;
>
> @@ -659,12 +662,12 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
> if ((bo->placements[i].flags & TTM_PL_FLAG_VRAM) &&
> !(bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS) &&
> (!max_offset || max_offset >
> - bo->adev->mc.visible_vram_size)) {
> + adev->mc.visible_vram_size)) {
> if (WARN_ON_ONCE(min_offset >
> - bo->adev->mc.visible_vram_size))
> + adev->mc.visible_vram_size))
> return -EINVAL;
> fpfn = min_offset >> PAGE_SHIFT;
> - lpfn = bo->adev->mc.visible_vram_size >> PAGE_SHIFT;
> + lpfn = adev->mc.visible_vram_size >> PAGE_SHIFT;
> } else {
> fpfn = min_offset >> PAGE_SHIFT;
> lpfn = max_offset >> PAGE_SHIFT;
> @@ -679,12 +682,12 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
>
> r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
> if (unlikely(r)) {
> - dev_err(bo->adev->dev, "%p pin failed\n", bo);
> + dev_err(adev->dev, "%p pin failed\n", bo);
> goto error;
> }
> r = amdgpu_ttm_bind(&bo->tbo, &bo->tbo.mem);
> if (unlikely(r)) {
> - dev_err(bo->adev->dev, "%p bind failed\n", bo);
> + dev_err(adev->dev, "%p bind failed\n", bo);
> goto error;
> }
>
> @@ -692,11 +695,11 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
> if (gpu_addr != NULL)
> *gpu_addr = amdgpu_bo_gpu_offset(bo);
> if (domain == AMDGPU_GEM_DOMAIN_VRAM) {
> - bo->adev->vram_pin_size += amdgpu_bo_size(bo);
> + adev->vram_pin_size += amdgpu_bo_size(bo);
> if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
> - bo->adev->invisible_pin_size += amdgpu_bo_size(bo);
> + adev->invisible_pin_size += amdgpu_bo_size(bo);
> } else if (domain == AMDGPU_GEM_DOMAIN_GTT) {
> - bo->adev->gart_pin_size += amdgpu_bo_size(bo);
> + adev->gart_pin_size += amdgpu_bo_size(bo);
> }
>
> error:
> @@ -710,10 +713,11 @@ int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain, u64 *gpu_addr)
>
> int amdgpu_bo_unpin(struct amdgpu_bo *bo)
> {
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->tbo.bdev);
> int r, i;
>
> if (!bo->pin_count) {
> - dev_warn(bo->adev->dev, "%p unpin not necessary\n", bo);
> + dev_warn(adev->dev, "%p unpin not necessary\n", bo);
> return 0;
> }
> bo->pin_count--;
> @@ -725,16 +729,16 @@ int amdgpu_bo_unpin(struct amdgpu_bo *bo)
> }
> r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
> if (unlikely(r)) {
> - dev_err(bo->adev->dev, "%p validate failed for unpin\n", bo);
> + dev_err(adev->dev, "%p validate failed for unpin\n", bo);
> goto error;
> }
>
> if (bo->tbo.mem.mem_type == TTM_PL_VRAM) {
> - bo->adev->vram_pin_size -= amdgpu_bo_size(bo);
> + adev->vram_pin_size -= amdgpu_bo_size(bo);
> if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS)
> - bo->adev->invisible_pin_size -= amdgpu_bo_size(bo);
> + adev->invisible_pin_size -= amdgpu_bo_size(bo);
> } else if (bo->tbo.mem.mem_type == TTM_PL_TT) {
> - bo->adev->gart_pin_size -= amdgpu_bo_size(bo);
> + adev->gart_pin_size -= amdgpu_bo_size(bo);
> }
>
> error:
> @@ -859,6 +863,7 @@ int amdgpu_bo_get_metadata(struct amdgpu_bo *bo, void *buffer,
> void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
> struct ttm_mem_reg *new_mem)
> {
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->bdev);
> struct amdgpu_bo *rbo;
> struct ttm_mem_reg *old_mem = &bo->mem;
>
> @@ -866,21 +871,21 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
> return;
>
> rbo = container_of(bo, struct amdgpu_bo, tbo);
> - amdgpu_vm_bo_invalidate(rbo->adev, rbo);
> + amdgpu_vm_bo_invalidate(adev, rbo);
>
> /* update statistics */
> if (!new_mem)
> return;
>
> /* move_notify is called before move happens */
> - amdgpu_update_memory_usage(rbo->adev, &bo->mem, new_mem);
> + amdgpu_update_memory_usage(adev, &bo->mem, new_mem);
>
> trace_amdgpu_ttm_bo_move(rbo, new_mem->mem_type, old_mem->mem_type);
> }
>
> int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
> {
> - struct amdgpu_device *adev;
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->bdev);
> struct amdgpu_bo *abo;
> unsigned long offset, size, lpfn;
> int i, r;
> @@ -889,7 +894,6 @@ int amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
> return 0;
>
> abo = container_of(bo, struct amdgpu_bo, tbo);
> - adev = abo->adev;
> if (bo->mem.mem_type != TTM_PL_VRAM)
> return 0;
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> index 8255034..c9b2c01 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> @@ -71,12 +71,13 @@ static inline unsigned amdgpu_mem_type_to_domain(u32 mem_type)
> */
> static inline int amdgpu_bo_reserve(struct amdgpu_bo *bo, bool no_intr)
> {
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->tbo.bdev);
> int r;
>
> r = ttm_bo_reserve(&bo->tbo, !no_intr, false, NULL);
> if (unlikely(r != 0)) {
> if (r != -ERESTARTSYS)
> - dev_err(bo->adev->dev, "%p reserve failed\n", bo);
> + dev_err(adev->dev, "%p reserve failed\n", bo);
> return r;
> }
> return 0;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index 1965209..d246a1f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -51,16 +51,6 @@
> static int amdgpu_ttm_debugfs_init(struct amdgpu_device *adev);
> static void amdgpu_ttm_debugfs_fini(struct amdgpu_device *adev);
>
> -static struct amdgpu_device *amdgpu_get_adev(struct ttm_bo_device *bdev)
> -{
> - struct amdgpu_mman *mman;
> - struct amdgpu_device *adev;
> -
> - mman = container_of(bdev, struct amdgpu_mman, bdev);
> - adev = container_of(mman, struct amdgpu_device, mman);
> - return adev;
> -}
> -
>
> /*
> * Global memory.
> @@ -195,6 +185,7 @@ static int amdgpu_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
> static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
> struct ttm_placement *placement)
> {
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->bdev);
> struct amdgpu_bo *rbo;
> static struct ttm_place placements = {
> .fpfn = 0,
> @@ -213,7 +204,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
> rbo = container_of(bo, struct amdgpu_bo, tbo);
> switch (bo->mem.mem_type) {
> case TTM_PL_VRAM:
> - if (rbo->adev->mman.buffer_funcs_ring->ready == false) {
> + if (adev->mman.buffer_funcs_ring->ready == false) {
> amdgpu_ttm_placement_from_domain(rbo,
> AMDGPU_GEM_DOMAIN_CPU);
> } else {
> @@ -231,7 +222,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
> * allocating address space for the BO.
> */
> rbo->placements[i].lpfn =
> - rbo->adev->mc.gtt_size >> PAGE_SHIFT;
> + adev->mc.gtt_size >> PAGE_SHIFT;
> }
> }
> break;
> @@ -1384,7 +1375,7 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, uint32_t src_data,
> struct reservation_object *resv,
> struct fence **fence)
> {
> - struct amdgpu_device *adev = bo->adev;
> + struct amdgpu_device *adev = amdgpu_get_adev(bo->tbo.bdev);
> struct amdgpu_job *job;
> struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> index e6842b0..87bcac3 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
> @@ -931,7 +931,7 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
> if (r)
> return r;
>
> - if (!bo->adev->uvd.address_64_bit) {
> + if (!ring->adev->uvd.address_64_bit) {
> amdgpu_ttm_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
> amdgpu_uvd_force_into_uvd_segment(bo);
> }
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> index d3a2d1f..5dba9f7 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> @@ -1175,7 +1175,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
>
> flags = amdgpu_ttm_tt_pte_flags(adev, bo_va->bo->tbo.ttm, mem);
> gtt_flags = (amdgpu_ttm_is_bound(bo_va->bo->tbo.ttm) &&
> - adev == bo_va->bo->adev) ? flags : 0;
> + adev == amdgpu_get_adev(bo_va->bo->tbo.bdev)) ? flags : 0;
>
> spin_lock(&vm->status_lock);
> if (!list_empty(&bo_va->vm_status))
> --
> 2.5.0
>
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