[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 09:09:37 UTC 2018
On Tue, Jul 31, 2018 at 10:52:06AM +0200, Christian König wrote:
> Am 31.07.2018 um 09:51 schrieb Huang Rui:
> >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?
>
> Yes, exactly. Or in the future just SVM etc...
>
"SVM" means single VM? Only one thread?
Thanks,
Ray
> Christian.
>
> >
> >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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> >>amd-gfx at lists.freedesktop.org
> >>https://lists.freedesktop.org/mailman/listinfo/amd-gfx
>
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