From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Sun, 25 Mar 2018 10:10:25 +0200
Subject: drm/amdgpu: print DMA-buf status in debugfs
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Git-commit: b1f223c02a3a2b41847f48f75797eba5979ea25d
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -780,6 +780,8 @@ static int amdgpu_debugfs_gem_bo_info(in
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(in
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;