Re: [PATCH 1/2] drm: update drm_show_memory_stats() for dma-bufs

[Felix Kuehling]

On 2023-12-07 13:02, Alex Deucher wrote:
Show buffers as shared if they are shared via dma-buf as well
(e.g., shared with v4l or some other subsystem).

You can add KFD to that list. With the in-progress CUDA11 VM changes and 
improved interop between KFD and render nodes, sharing DMABufs between 
KFD and render nodes will become much more common.

Regards,
  Felix



Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Cc: Rob Clark <robdcl...@gmail.com>
---
  drivers/gpu/drm/drm_file.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index 5ddaffd32586..5d5f93b9c263 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -973,7 +973,7 @@ void drm_show_memory_stats(struct drm_printer *p, struct 
drm_file *file)
                                        DRM_GEM_OBJECT_PURGEABLE;
                }
  
-		if (obj->handle_count > 1) {
+               if ((obj->handle_count > 1) || obj->dma_buf) {
                        status.shared += obj->size;
                } else {
                        status.private += obj->size;