From b1f223c02a3a2b41847f48f75797eba5979ea25d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Sun, 25 Mar 2018 10:10:25 +0200 Subject: [PATCH] drm/amdgpu: print DMA-buf status in debugfs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Just note if a BO was imported/exported. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- 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 c62c3dd4dcc6..7d3dc229fa47 100644 --- 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(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; -- 2.11.0