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drm/amdgpu: print DMA-buf status in debugfs

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Just note if a BO was imported/exported.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-03-25 10:10:25 +02:00 committed by Alex Deucher
parent 1a3132a1cc
commit b1f223c02a
1 changed files with 11 additions and 0 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
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@ -780,6 +780,8 @@ static int amdgpu_debugfs_gem_bo_info(int id, void *ptr, void *data)
struct amdgpu_bo *bo = gem_to_amdgpu_bo(gobj);
struct seq_file *m = data;
struct dma_buf_attachment *attachment;
struct dma_buf *dma_buf;
unsigned domain;
const char *placement;
unsigned pin_count;
@ -808,6 +810,15 @@ static int amdgpu_debugfs_gem_bo_info(int id, void *ptr, void *data)
pin_count = READ_ONCE(bo->pin_count);
if (pin_count)
seq_printf(m, " pin count %d", pin_count);
dma_buf = READ_ONCE(bo->gem_base.dma_buf);
attachment = READ_ONCE(bo->gem_base.import_attach);
if (attachment)
seq_printf(m, " imported from %p", dma_buf);
else if (dma_buf)
seq_printf(m, " exported as %p", dma_buf);
seq_printf(m, "\n");
return 0;