Re: [RFC PATCH 0/6] do not store GPU address in TTM

[Huang Rui <ray.huang@amd.com>]

On Thu, Feb 13, 2020 at 01:01:57PM +0100, Nirmoy Das wrote:
> With this patch series I am trying to remove GPU address dependency in
> TTM and moving GPU address calculation to individual drm drivers.
> This is required[1] to continue the work started by Brian Welty to create
> struct drm_mem_region which can be leverage by DRM cgroup controller to manage memory
> limits.
> 
> 
> I have only manage to test amdgpu driver as I only have GPU for that.
> I might be doing something really stupid while calculeting gpu offset for
> some of the drivers so please be patient and let me know how can I improve
> that.
> 
> [1] https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.mail-archive.com%2Fdri-devel%40lists.freedesktop.org%2Fmsg272238.html&data=02%7C01%7Cray.huang%40amd.com%7Cad8c8464b13e4764556008d7b07c3344%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637171919805856109&sdata=zlA%2FHePGKcILKg7Ezc9CGc%2FWXJkRa5xmrBznvJcAomk%3D&reserved=0

Looks good for me as well for amd part.

Acked-by: Huang Rui <ray.huang@amd.com>

> 
> Nirmoy Das (6):
>   drm/amdgpu: move ttm bo->offset to amdgpu_bo
>   drm/radeon: don't use ttm bo->offset
>   drm/vmwgfx: don't use ttm bo->offset
>   drm/nouveau: don't use ttm bo->offset
>   drm/qxl: don't use ttm bo->offset
>   drm/ttm: do not keep GPU dependent addresses
> 
>  drivers/gpu/drm/amd/amdgpu/amdgpu_object.c  | 22 ++++++++++++++--
>  drivers/gpu/drm/amd/amdgpu/amdgpu_object.h  |  1 +
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c     | 29 ++++++++++++++++-----
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h     |  1 +
>  drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c |  4 +--
>  drivers/gpu/drm/nouveau/dispnv04/crtc.c     |  6 ++---
>  drivers/gpu/drm/nouveau/dispnv04/disp.c     |  2 +-
>  drivers/gpu/drm/nouveau/dispnv04/overlay.c  |  6 ++---
>  drivers/gpu/drm/nouveau/dispnv50/base507c.c |  2 +-
>  drivers/gpu/drm/nouveau/dispnv50/core507d.c |  2 +-
>  drivers/gpu/drm/nouveau/dispnv50/ovly507e.c |  2 +-
>  drivers/gpu/drm/nouveau/dispnv50/wndw.c     |  2 +-
>  drivers/gpu/drm/nouveau/dispnv50/wndwc37e.c |  2 +-
>  drivers/gpu/drm/nouveau/nouveau_abi16.c     |  8 +++---
>  drivers/gpu/drm/nouveau/nouveau_bo.c        |  1 +
>  drivers/gpu/drm/nouveau/nouveau_bo.h        |  3 +++
>  drivers/gpu/drm/nouveau/nouveau_chan.c      |  2 +-
>  drivers/gpu/drm/nouveau/nouveau_fbcon.c     |  2 +-
>  drivers/gpu/drm/nouveau/nouveau_gem.c       | 10 +++----
>  drivers/gpu/drm/qxl/qxl_drv.h               |  6 ++---
>  drivers/gpu/drm/qxl/qxl_kms.c               |  3 +++
>  drivers/gpu/drm/qxl/qxl_object.h            |  5 ----
>  drivers/gpu/drm/qxl/qxl_ttm.c               |  9 -------
>  drivers/gpu/drm/radeon/radeon.h             |  1 +
>  drivers/gpu/drm/radeon/radeon_object.h      | 16 +++++++++++-
>  drivers/gpu/drm/radeon/radeon_ttm.c         |  4 +--
>  drivers/gpu/drm/ttm/ttm_bo.c                |  7 -----
>  drivers/gpu/drm/vmwgfx/vmwgfx_bo.c          |  4 +--
>  drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c     |  2 +-
>  drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c        |  2 +-
>  drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c  |  2 --
>  include/drm/ttm/ttm_bo_api.h                |  2 --
>  include/drm/ttm/ttm_bo_driver.h             |  1 -
>  33 files changed, 99 insertions(+), 72 deletions(-)
> 
> --
> 2.25.0
> 
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