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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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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -4494,7 +4494,7 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
tv.num_shared = 1;
list_add(&tv.head, &list);
r = ttm_eu_reserve_buffers(&ticket, &list, false, NULL, true);
r = ttm_eu_reserve_buffers(&ticket, &list, false, NULL);
if (r) {
dev_err(adev->dev, "fail to reserve bo (%d)\n", r);
return r;