[PATCH 9/9] drm/amdgpu: create an empty bo_list if no handle is provided
Huang Rui
ray.huang at amd.com
Tue Jul 31 07:51:03 UTC 2018
On Mon, Jul 30, 2018 at 04:51:59PM +0200, Christian König wrote:
> Instead of having extra handling just create an empty bo_list when no
> handle is provided.
Reviewed-by: Huang Rui <ray.huang at amd.com>
In which case, when the command is being submitted, there is no bo list
handle? All BOs are per-VM, no shared BO?
Thanks,
Ray
>
> Signed-off-by: Christian König <christian.koenig at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 111 ++++++++++++++-------------------
> 1 file changed, 46 insertions(+), 65 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index 1d7292ab2b62..502b94fb116a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -561,6 +561,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
> union drm_amdgpu_cs *cs)
> {
> struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
> + struct amdgpu_vm *vm = &fpriv->vm;
> struct amdgpu_bo_list_entry *e;
> struct list_head duplicates;
> struct amdgpu_bo *gds;
> @@ -580,13 +581,17 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
> &p->bo_list);
> if (r)
> return r;
> + } else if (!p->bo_list) {
> + /* Create a empty bo_list when no handle is provided */
> + r = amdgpu_bo_list_create(p->adev, p->filp, NULL, 0,
> + &p->bo_list);
> + if (r)
> + return r;
> }
>
> - if (p->bo_list) {
> - amdgpu_bo_list_get_list(p->bo_list, &p->validated);
> - if (p->bo_list->first_userptr != p->bo_list->num_entries)
> - p->mn = amdgpu_mn_get(p->adev, AMDGPU_MN_TYPE_GFX);
> - }
> + amdgpu_bo_list_get_list(p->bo_list, &p->validated);
> + if (p->bo_list->first_userptr != p->bo_list->num_entries)
> + p->mn = amdgpu_mn_get(p->adev, AMDGPU_MN_TYPE_GFX);
>
> INIT_LIST_HEAD(&duplicates);
> amdgpu_vm_get_pd_bo(&fpriv->vm, &p->validated, &p->vm_pd);
> @@ -605,10 +610,6 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
> goto error_free_pages;
> }
>
> - /* Without a BO list we don't have userptr BOs */
> - if (!p->bo_list)
> - break;
> -
> INIT_LIST_HEAD(&need_pages);
> amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
> struct amdgpu_bo *bo = e->robj;
> @@ -703,21 +704,12 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
> amdgpu_cs_report_moved_bytes(p->adev, p->bytes_moved,
> p->bytes_moved_vis);
>
> - if (p->bo_list) {
> - struct amdgpu_vm *vm = &fpriv->vm;
> - struct amdgpu_bo_list_entry *e;
> + gds = p->bo_list->gds_obj;
> + gws = p->bo_list->gws_obj;
> + oa = p->bo_list->oa_obj;
>
> - gds = p->bo_list->gds_obj;
> - gws = p->bo_list->gws_obj;
> - oa = p->bo_list->oa_obj;
> -
> - amdgpu_bo_list_for_each_entry(e, p->bo_list)
> - e->bo_va = amdgpu_vm_bo_find(vm, e->robj);
> - } else {
> - gds = p->adev->gds.gds_gfx_bo;
> - gws = p->adev->gds.gws_gfx_bo;
> - oa = p->adev->gds.oa_gfx_bo;
> - }
> + amdgpu_bo_list_for_each_entry(e, p->bo_list)
> + e->bo_va = amdgpu_vm_bo_find(vm, e->robj);
>
> if (gds) {
> p->job->gds_base = amdgpu_bo_gpu_offset(gds);
> @@ -745,15 +737,13 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
>
> error_free_pages:
>
> - if (p->bo_list) {
> - amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
> - if (!e->user_pages)
> - continue;
> + amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
> + if (!e->user_pages)
> + continue;
>
> - release_pages(e->user_pages,
> - e->robj->tbo.ttm->num_pages);
> - kvfree(e->user_pages);
> - }
> + release_pages(e->user_pages,
> + e->robj->tbo.ttm->num_pages);
> + kvfree(e->user_pages);
> }
>
> return r;
> @@ -815,9 +805,10 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error,
>
> static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p)
> {
> - struct amdgpu_device *adev = p->adev;
> struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
> + struct amdgpu_device *adev = p->adev;
> struct amdgpu_vm *vm = &fpriv->vm;
> + struct amdgpu_bo_list_entry *e;
> struct amdgpu_bo_va *bo_va;
> struct amdgpu_bo *bo;
> int r;
> @@ -850,31 +841,26 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p)
> return r;
> }
>
> - if (p->bo_list) {
> - struct amdgpu_bo_list_entry *e;
> -
> - amdgpu_bo_list_for_each_entry(e, p->bo_list) {
> - struct dma_fence *f;
> -
> - /* ignore duplicates */
> - bo = e->robj;
> - if (!bo)
> - continue;
> + amdgpu_bo_list_for_each_entry(e, p->bo_list) {
> + struct dma_fence *f;
>
> - bo_va = e->bo_va;
> - if (bo_va == NULL)
> - continue;
> + /* ignore duplicates */
> + bo = e->robj;
> + if (!bo)
> + continue;
>
> - r = amdgpu_vm_bo_update(adev, bo_va, false);
> - if (r)
> - return r;
> + bo_va = e->bo_va;
> + if (bo_va == NULL)
> + continue;
>
> - f = bo_va->last_pt_update;
> - r = amdgpu_sync_fence(adev, &p->job->sync, f, false);
> - if (r)
> - return r;
> - }
> + r = amdgpu_vm_bo_update(adev, bo_va, false);
> + if (r)
> + return r;
>
> + f = bo_va->last_pt_update;
> + r = amdgpu_sync_fence(adev, &p->job->sync, f, false);
> + if (r)
> + return r;
> }
>
> r = amdgpu_vm_handle_moved(adev, vm);
> @@ -889,9 +875,7 @@ static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p)
> if (r)
> return r;
>
> - if (amdgpu_vm_debug && p->bo_list) {
> - struct amdgpu_bo_list_entry *e;
> -
> + if (amdgpu_vm_debug) {
> /* Invalidate all BOs to test for userspace bugs */
> amdgpu_bo_list_for_each_entry(e, p->bo_list) {
> /* ignore duplicates */
> @@ -1217,22 +1201,19 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
> struct amdgpu_ring *ring = p->ring;
> struct drm_sched_entity *entity = &p->ctx->rings[ring->idx].entity;
> enum drm_sched_priority priority;
> + struct amdgpu_bo_list_entry *e;
> struct amdgpu_job *job;
> uint64_t seq;
>
> int r;
>
> amdgpu_mn_lock(p->mn);
> - if (p->bo_list) {
> - struct amdgpu_bo_list_entry *e;
> + amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
> + struct amdgpu_bo *bo = e->robj;
>
> - amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
> - struct amdgpu_bo *bo = e->robj;
> -
> - if (amdgpu_ttm_tt_userptr_needs_pages(bo->tbo.ttm)) {
> - amdgpu_mn_unlock(p->mn);
> - return -ERESTARTSYS;
> - }
> + if (amdgpu_ttm_tt_userptr_needs_pages(bo->tbo.ttm)) {
> + amdgpu_mn_unlock(p->mn);
> + return -ERESTARTSYS;
> }
> }
>
> --
> 2.14.1
>
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