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drm/amdgpu: fix number of fence calculations

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[ Upstream commit 570b295248 ]

Since adding gang submit we need to take the gang size into account
while reserving fences.

Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: 4624459c84 ("drm/amdgpu: add gang submit frontend v6")
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christian König
2023-06-20 13:18:13 +02:00
committed by Greg Kroah-Hartman
parent d3dcdb43c8
commit 0d4e60e23c
1 changed files with 6 additions and 5 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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@@ -129,9 +129,6 @@ static int amdgpu_cs_p1_user_fence(struct amdgpu_cs_parser *p,
bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj)); bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj));
p->uf_entry.priority = 0; p->uf_entry.priority = 0;
p->uf_entry.tv.bo = &bo->tbo; p->uf_entry.tv.bo = &bo->tbo;
/* One for TTM and two for the CS job */
p->uf_entry.tv.num_shared = 3;
drm_gem_object_put(gobj); drm_gem_object_put(gobj);
size = amdgpu_bo_size(bo); size = amdgpu_bo_size(bo);
@@ -883,15 +880,19 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
mutex_lock(&p->bo_list->bo_list_mutex); mutex_lock(&p->bo_list->bo_list_mutex);
/* One for TTM and one for the CS job */ /* One for TTM and one for each CS job */
amdgpu_bo_list_for_each_entry(e, p->bo_list) amdgpu_bo_list_for_each_entry(e, p->bo_list)
e->tv.num_shared = 2; e->tv.num_shared = 1 + p->gang_size;
p->uf_entry.tv.num_shared = 1 + p->gang_size;
amdgpu_bo_list_get_list(p->bo_list, &p->validated); amdgpu_bo_list_get_list(p->bo_list, &p->validated);
INIT_LIST_HEAD(&duplicates); INIT_LIST_HEAD(&duplicates);
amdgpu_vm_get_pd_bo(&fpriv->vm, &p->validated, &p->vm_pd); amdgpu_vm_get_pd_bo(&fpriv->vm, &p->validated, &p->vm_pd);
/* Two for VM updates, one for TTM and one for each CS job */
p->vm_pd.tv.num_shared = 3 + p->gang_size;
if (p->uf_entry.tv.bo && !ttm_to_amdgpu_bo(p->uf_entry.tv.bo)->parent) if (p->uf_entry.tv.bo && !ttm_to_amdgpu_bo(p->uf_entry.tv.bo)->parent)
list_add(&p->uf_entry.tv.head, &p->validated); list_add(&p->uf_entry.tv.head, &p->validated);