radeon: add bo tracking debugfs

This is to allow debugging of userspace program not freeing buffer
after, which is basicly a memory leak. This print the list of all
gem object along with their size and placement (VRAM,GTT,CPU) and
with the pid of the task that created them.

agd5f: add warning fix

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index d6c8cbaa8693..3ef7543a2986 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -358,7 +358,8 @@ struct radeon_bo {
         struct radeon_device            *rdev;
         struct drm_gem_object           gem_base;
 
-        struct ttm_bo_kmap_obj dma_buf_vmap;
+        struct ttm_bo_kmap_obj          dma_buf_vmap;
+        pid_t                           pid;
 };
 #define gem_to_radeon_bo(gobj) container_of((gobj), struct radeon_bo, gem_base)
 
@@ -372,6 +373,8 @@ struct radeon_bo_list {
         u32                     tiling_flags;
 };
 
+int radeon_gem_debugfs_init(struct radeon_device *rdev);
+
 /* sub-allocation manager, it has to be protected by another lock.
  * By conception this is an helper for other part of the driver
  * like the indirect buffer or semaphore, which both have their