From: Christian König <christian.koenig@amd.com>
Date: Tue, 10 Mar 2020 13:23:12 +0000 (+0100)
Subject: drm/amdgpu: improve amdgpu_gem_info debugfs file
X-Git-Tag: v5.15~303^2~28^2~3081
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8523f8875bee3831ea602b2229e73e2fe096a354;p=platform%2Fkernel%2Flinux-starfive.git

drm/amdgpu: improve amdgpu_gem_info debugfs file

Note if a buffer was imported using peer2peer.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/359296
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 4277125a79ee..e42608115c99 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -29,6 +29,7 @@
 #include <linux/module.h>
 #include <linux/pagemap.h>
 #include <linux/pci.h>
+#include <linux/dma-buf.h>
 
 #include <drm/amdgpu_drm.h>
 #include <drm/drm_debugfs.h>
@@ -854,7 +855,8 @@ static int amdgpu_debugfs_gem_bo_info(int id, void *ptr, void *data)
 	attachment = READ_ONCE(bo->tbo.base.import_attach);
 
 	if (attachment)
-		seq_printf(m, " imported from %p", dma_buf);
+		seq_printf(m, " imported from %p%s", dma_buf,
+			   attachment->peer2peer ? " P2P" : "");
 	else if (dma_buf)
 		seq_printf(m, " exported as %p", dma_buf);