Commit d575ee11 authored by Christian König's avatar Christian König
Browse files

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: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarBen Skeggs <bskeggs@redhat.com>
Link: https://patchwork.freedesktop.org/patch/388642/
parent 0f50257f

drivers/gpu/drm/ttm/ttm_bo.c

+9 −0
Original line number Diff line number Diff line
@@ -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;

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