UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/ttm: make sure that we always zero init mem.bus v2 

We are trying to remove the io_lru handling and depend
on zero init base, offset and addr here.

v2: init addr as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Link: https://patchwork.freedesktop.org/patch/388642/
This commit is contained in:
Christian König 2020-08-21 17:29:22 +02:00
parent 0f50257f53
commit d575ee1131
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/gpu/drm/ttm/ttm_bo.c
View File

@ -650,6 +650,9 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo,
evict_mem.mm_node = NULL;
evict_mem.bus.io_reserved_vm = false;
evict_mem.bus.io_reserved_count = 0;
evict_mem.bus.base = 0;
evict_mem.bus.offset = 0;
evict_mem.bus.addr = NULL;
ret = ttm_bo_mem_space(bo, &placement, &evict_mem, ctx);
if (ret) {
@ -1084,6 +1087,9 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
mem.page_alignment = bo->mem.page_alignment;
mem.bus.io_reserved_vm = false;
mem.bus.io_reserved_count = 0;
mem.bus.base = 0;
mem.bus.offset = 0;
mem.bus.addr = NULL;
mem.mm_node = NULL;
/*
@ -1243,6 +1249,9 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
bo->mem.page_alignment = page_alignment;
bo->mem.bus.io_reserved_vm = false;
bo->mem.bus.io_reserved_count = 0;
bo->mem.bus.base = 0;
bo->mem.bus.offset = 0;
bo->mem.bus.addr = NULL;
bo->moving = NULL;
bo->mem.placement = (TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED);
bo->acc_size = acc_size;