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drm/amdgpu: add amdgpu_dma_buf_pin/unpin v2

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This implements the exporter side of unpinned DMA-buf handling.

v2: fix minor coding style issues

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/353999/?series=73646&rev=1
This commit is contained in:
Christian König
2018-05-30 14:42:24 +02:00
parent 4993ba0263
commit 2d4dad2734
2 changed files with 51 additions and 7 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@@ -31,6 +31,7 @@
*/
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/dma-buf.h>
#include <drm/amdgpu_drm.h>
#include <drm/drm_cache.h>
@@ -1274,6 +1275,10 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo,
amdgpu_bo_kunmap(abo);
if (abo->tbo.base.dma_buf && !abo->tbo.base.import_attach &&
bo->mem.mem_type != TTM_PL_SYSTEM)
dma_buf_move_notify(abo->tbo.base.dma_buf);
/* remember the eviction */
if (evict)
atomic64_inc(&adev->num_evictions);