On Tue, Sep 7, 2021 at 4:01 AM Christian König ckoenig.leichtzumerken@gmail.com wrote:
For now just a brief description of what TTM is all about.
Signed-off-by: Christian König christian.koenig@amd.com
Documentation/gpu/drm-mm.rst | 3 ++- drivers/gpu/drm/ttm/ttm_module.c | 12 ++++++++++++ 2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/Documentation/gpu/drm-mm.rst b/Documentation/gpu/drm-mm.rst index 8ca981065e1a..6b7717af4f88 100644 --- a/Documentation/gpu/drm-mm.rst +++ b/Documentation/gpu/drm-mm.rst @@ -28,7 +28,8 @@ UMA devices. The Translation Table Manager (TTM) ===================================
-TTM design background and information belongs here. +.. kernel-doc:: drivers/gpu/drm/ttm/ttm_module.c
- :doc: TTM
The Graphics Execution Manager (GEM)
diff --git a/drivers/gpu/drm/ttm/ttm_module.c b/drivers/gpu/drm/ttm/ttm_module.c index 997c458f68a9..11b59cf03ec3 100644 --- a/drivers/gpu/drm/ttm/ttm_module.c +++ b/drivers/gpu/drm/ttm/ttm_module.c @@ -39,6 +39,18 @@
#include "ttm_module.h"
+/**
- DOC: TTM
- TTM is a memory manager for graphics devices with dedicated video memory.
Maybe say "accelerator devices with dedicated memory" since this could just as easily be applicable to compute only devices.
Alex
- The basic idea is that resources are grouped together in buffer objects of
- certain size and TTM handles lifetime, movement and CPU mappings of those
- objects.
- TODO: Add more design background and information here.
- */
/**
- ttm_prot_from_caching - Modify the page protection according to the
- ttm cacing mode
-- 2.25.1