[PULL] drm-xe-next-fixes

[Lucas De Marchi]

On Tue, Jul 09, 2024 at 05:31:39PM GMT, Rodrigo Vivi wrote:
>Hi Dave and Sima,
>
> Here goes a very early drm-xe-next-fixes with 2 important fixes
> that are going to impact user space.
>
> 1. The first one is the rename of the OA stuff from the bad 'perf'
> name to the xe_observation. Although the rename in the uapi
> header is likely inoffensive because our UMDs always copy the
> header to their code, there's a sysfs filename change that is
> impacting mesa.
>
> For this one Mesa MR is ready and they are only waiting for this
> pull request to be picked by you so they can merge that to Mesa:
> https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30027
>
> With both sides in place, there won't be any kernel version
> released with the bad naming and no Mesa released using that
> filename. This is the main reason that I'm sending this PR
> earlier than normal.
>
> 2. The second case, which also impact user space is the
> write-back caching mode for system memory on DGFX. In this case
> we introduce a limitation in the cache selection uapi that is
> transparent to UMDs. I mean, no change on their side is needed.
> Coherence is maintained with some know possible visible and
> acceptable/accepted differences in CPU access speed.

but this commit is also going to drm-xe-fixes, so I don't think we
should have it in this pull. I'm looking at some changes to dim to avoid
this kind of problem in future.

Lucas De Marchi

>
> Thanks,
> Rodrigo.
>
>drm-xe-next-fixes-2024-07-09:
>UAPI Changes:
>- Rename xe perf layer as xe observation layer (Ashutosh)
>- Use write-back caching mode for system memory on DGFX (Thomas)
>
>Driver Changes:
>- Drop trace_xe_hw_fence_free (Brost)
>The following changes since commit 62a05f4ae9c1fb70bc75d494c9c1c373d2c2e374:
>
>  Merge tag 'drm-msm-next-2024-07-04' of https://gitlab.freedesktop.org/drm/msm into drm-next (2024-07-05 12:45:41 +0200)
>
>are available in the Git repository at:
>
>  https://gitlab.freedesktop.org/drm/xe/kernel.git tags/drm-xe-next-fixes-2024-07-09
>
>for you to fetch changes up to 463108053c19f24fa228863824698d5ca72826b6:
>
>  drm/xe: Drop trace_xe_hw_fence_free (2024-07-09 16:21:26 -0400)
>
>----------------------------------------------------------------
>UAPI Changes:
>- Rename xe perf layer as xe observation layer (Ashutosh)
>- Use write-back caching mode for system memory on DGFX (Thomas)
>
>Driver Changes:
>- Drop trace_xe_hw_fence_free (Brost)
>
>----------------------------------------------------------------
>Ashutosh Dixit (1):
>      drm/xe/uapi: Rename xe perf layer as xe observation layer
>
>Matthew Brost (1):
>      drm/xe: Drop trace_xe_hw_fence_free
>
>Thomas Hellström (1):
>      drm/xe: Use write-back caching mode for system memory on DGFX
>
> drivers/gpu/drm/xe/Makefile          |   2 +-
> drivers/gpu/drm/xe/xe_bo.c           |  47 +++++++++------
> drivers/gpu/drm/xe/xe_bo_types.h     |   3 +-
> drivers/gpu/drm/xe/xe_device.c       |   4 +-
> drivers/gpu/drm/xe/xe_device_types.h |   2 +-
> drivers/gpu/drm/xe/xe_gt_types.h     |   2 +-
> drivers/gpu/drm/xe/xe_hw_fence.c     |   1 -
> drivers/gpu/drm/xe/xe_module.c       |   6 +-
> drivers/gpu/drm/xe/xe_oa.c           |  34 +++++------
> drivers/gpu/drm/xe/xe_observation.c  |  93 +++++++++++++++++++++++++++++
> drivers/gpu/drm/xe/xe_observation.h  |  20 +++++++
> drivers/gpu/drm/xe/xe_perf.c         |  92 -----------------------------
> drivers/gpu/drm/xe/xe_perf.h         |  20 -------
> drivers/gpu/drm/xe/xe_trace.h        |   5 --
> include/uapi/drm/xe_drm.h            | 110 +++++++++++++++++++----------------
> 15 files changed, 227 insertions(+), 214 deletions(-)
> create mode 100644 drivers/gpu/drm/xe/xe_observation.c
> create mode 100644 drivers/gpu/drm/xe/xe_observation.h
> delete mode 100644 drivers/gpu/drm/xe/xe_perf.c
> delete mode 100644 drivers/gpu/drm/xe/xe_perf.h