[RFC PATCH 0/6] do not store GPU address in TTM
Nirmoy
nirmodas at amd.com
Fri Feb 14 10:29:32 UTC 2020
On 2/14/20 10:19 AM, Thomas Zimmermann wrote:
> Hi
>
> Am 13.02.20 um 13:01 schrieb Nirmoy Das:
>> 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://www.mail-archive.com/dri-devel@lists.freedesktop.org/msg272238.html
>>
>> 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
> I think VRAM helpers are missing from this patchset. [1] You can use
> bochs in qemu to test them.
Thanks Thomas. I missed that, I will add that into next revision.
>
> Best regards
> Thomas
>
> [1]
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/drm_gem_vram_helper.c?h=v5.6-rc1#n217
>
>> 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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