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drm/ttm: allow reserving more than one shared slot v3

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Let's support simultaneous submissions to multiple engines.

v2: rename the field to num_shared and fix up all users
v3: rebased

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2018-09-19 16:25:08 +02:00
committed by Alex Deucher
parent c50fe0c5b1
commit a9f34c70fd
14 changed files with 35 additions and 30 deletions
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4
drivers/gpu/drm/radeon/radeon_cs.c
View File

@@ -178,7 +178,7 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
}
p->relocs[i].tv.bo = &p->relocs[i].robj->tbo;
p->relocs[i].tv.shared = !r->write_domain;
p->relocs[i].tv.num_shared = !r->write_domain;
radeon_cs_buckets_add(&buckets, &p->relocs[i].tv.head,
priority);
@@ -253,7 +253,7 @@ static int radeon_cs_sync_rings(struct radeon_cs_parser *p)
resv = reloc->robj->tbo.resv;
r = radeon_sync_resv(p->rdev, &p->ib.sync, resv,
reloc->tv.shared);
reloc->tv.num_shared);
if (r)
return r;
}

2
drivers/gpu/drm/radeon/radeon_gem.c
View File

@@ -552,7 +552,7 @@ static void radeon_gem_va_update_vm(struct radeon_device *rdev,
INIT_LIST_HEAD(&list);
tv.bo = &bo_va->bo->tbo;
tv.shared = true;
tv.num_shared = 1;
list_add(&tv.head, &list);
vm_bos = radeon_vm_get_bos(rdev, bo_va->vm, &list);

4
drivers/gpu/drm/radeon/radeon_vm.c
View File

@@ -142,7 +142,7 @@ struct radeon_bo_list *radeon_vm_get_bos(struct radeon_device *rdev,
list[0].preferred_domains = RADEON_GEM_DOMAIN_VRAM;
list[0].allowed_domains = RADEON_GEM_DOMAIN_VRAM;
list[0].tv.bo = &vm->page_directory->tbo;
list[0].tv.shared = true;
list[0].tv.num_shared = 1;
list[0].tiling_flags = 0;
list_add(&list[0].tv.head, head);
@@ -154,7 +154,7 @@ struct radeon_bo_list *radeon_vm_get_bos(struct radeon_device *rdev,
list[idx].preferred_domains = RADEON_GEM_DOMAIN_VRAM;
list[idx].allowed_domains = RADEON_GEM_DOMAIN_VRAM;
list[idx].tv.bo = &list[idx].robj->tbo;
list[idx].tv.shared = true;
list[idx].tv.num_shared = 1;
list[idx].tiling_flags = 0;
list_add(&list[idx++].tv.head, head);
}