From: Christian König Date: Tue, 20 Jun 2023 11:18:13 +0000 (+0200) Subject: drm/amdgpu: fix number of fence calculations X-Git-Tag: v6.6.17~4420^2~2^2~33 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=570b295248b00c3cf4cf59e397de5cb2361e10c2;p=platform%2Fkernel%2Flinux-rpi.git drm/amdgpu: fix number of fence calculations Since adding gang submit we need to take the gang size into account while reserving fences. Signed-off-by: Christian König Fixes: 4624459c84d7 ("drm/amdgpu: add gang submit frontend v6") Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index d950388..b34f9f8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -136,9 +136,6 @@ static int amdgpu_cs_p1_user_fence(struct amdgpu_cs_parser *p, bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj)); p->uf_entry.priority = 0; 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); size = amdgpu_bo_size(bo); @@ -912,15 +909,19 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, 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) - 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); INIT_LIST_HEAD(&duplicates); 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) list_add(&p->uf_entry.tv.head, &p->validated);