From 15486fd20cbe45cf56805ee5a67f7b25642efa9d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Tue, 22 Dec 2015 16:06:12 +0100 Subject: [PATCH] drm/amdgpu: search only the BO list for VM mappings MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Make UVD/VCE VM emulation more efficient. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index a610465..ac26e52 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -928,30 +928,36 @@ struct amdgpu_bo_va_mapping * amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, uint64_t addr, struct amdgpu_bo **bo) { - struct amdgpu_bo_list_entry *reloc; struct amdgpu_bo_va_mapping *mapping; + unsigned i; + + if (!parser->bo_list) + return NULL; addr /= AMDGPU_GPU_PAGE_SIZE; - list_for_each_entry(reloc, &parser->validated, tv.head) { - if (!reloc->bo_va) + for (i = 0; i < parser->bo_list->num_entries; i++) { + struct amdgpu_bo_list_entry *lobj; + + lobj = &parser->bo_list->array[i]; + if (!lobj->bo_va) continue; - list_for_each_entry(mapping, &reloc->bo_va->valids, list) { + list_for_each_entry(mapping, &lobj->bo_va->valids, list) { if (mapping->it.start > addr || addr > mapping->it.last) continue; - *bo = reloc->bo_va->bo; + *bo = lobj->bo_va->bo; return mapping; } - list_for_each_entry(mapping, &reloc->bo_va->invalids, list) { + list_for_each_entry(mapping, &lobj->bo_va->invalids, list) { if (mapping->it.start > addr || addr > mapping->it.last) continue; - *bo = reloc->bo_va->bo; + *bo = lobj->bo_va->bo; return mapping; } } -- 2.7.4