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drm/ttm: always keep BOs on the LRU

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This allows blocking for BOs to become available
in the memory management.

Amdgpu is doing this for quite a while now during CS. Now
apply the new behavior to all drivers using TTM.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Thomas Hellstrom <thellstrom@vmware.com>
Link: https://patchwork.freedesktop.org/patch/332878/
This commit is contained in:
Christian König
2019-09-19 12:56:15 +02:00
parent 7fb03cc3e0
commit 9165fb879f
15 changed files with 33 additions and 118 deletions
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3
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
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@@ -492,8 +492,7 @@ vmw_resource_check_buffer(struct ww_acquire_ctx *ticket,
val_buf->bo = &res->backup->base;
val_buf->num_shared = 0;
list_add_tail(&val_buf->head, &val_list);
ret = ttm_eu_reserve_buffers(ticket, &val_list, interruptible, NULL,
true);
ret = ttm_eu_reserve_buffers(ticket, &val_list, interruptible, NULL);
if (unlikely(ret != 0))
goto out_no_reserve;