1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
From 5b793f8d74f275ffcaebfacf53a4514486868004 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Sun, 25 Mar 2018 10:10:25 +0200
Subject: [PATCH 4238/5725] drm/amdgpu: print DMA-buf status in debugfs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 88de5c1..3621ff0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -931,6 +931,8 @@ 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;
@@ -965,6 +967,15 @@ 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;
--
2.7.4
|
