APPLIED: [SRU][P:linux][PATCH v2 0/3] drm/xe: Lite restore breaks fdinfo drm-cycles-rcs reporting

[Mehmet Basaran]

Applied to plucky:linux master-next branch. Thanks.

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Thibault Ferrante <thibault.ferrante at canonical.com> writes:

> BugLink: https://bugs.launchpad.net/bugs/2119526
>
> [ Impact ]
>
>  * GPU usage reported wrongly.
>  * Upstream bug report: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/4532
>
> [ Fix ]
>
>  * Upstream fixes:
> 617d824c53 drm/xe: Add WA BB to capture active context utilization
> 9c7632faad drm/xe/lrc: Use a temporary buffer for WA BB
> 741d3ef8b8 drm/xe: Save the gt pointer in lrc and drop the tile
>
> [ Test Plan ]
>
>  * Trigger 100% usage of GPU, check for usage.
>
> [ Where problems could occur ]
>
>  * Regression in drm/xe driver and GPU management.
>
> [ Other Info ]
>
>  * Tested and submitted by intel.
>  * Upstream fix afcad9241177 'drm/xe: Make WA BB part of LRC BO' skipped as deemed not usefull by intel further testing.
>
> v2:
>  - Switch 617d824c5 to backport (There is only context changes, but seems it can't be solved automatically).
>  - Mention upstream fix.
>
> Lucas De Marchi (1):
>   drm/xe/lrc: Use a temporary buffer for WA BB
>
> Umesh Nerlige Ramappa (2):
>   drm/xe: Add WA BB to capture active context utilization
>   drm/xe: Save the gt pointer in lrc and drop the tile
>
>  drivers/gpu/drm/xe/regs/xe_engine_regs.h |   5 +
>  drivers/gpu/drm/xe/regs/xe_lrc_layout.h  |   2 +
>  drivers/gpu/drm/xe/xe_device_types.h     |   2 +
>  drivers/gpu/drm/xe/xe_exec_queue.c       |   2 +-
>  drivers/gpu/drm/xe/xe_guc_submit.c       |   2 +-
>  drivers/gpu/drm/xe/xe_lrc.c              | 213 +++++++++++++++++++++--
>  drivers/gpu/drm/xe/xe_lrc.h              |   5 +-
>  drivers/gpu/drm/xe/xe_lrc_types.h        |   9 +-
>  drivers/gpu/drm/xe/xe_pci.c              |   2 +
>  drivers/gpu/drm/xe/xe_pci_types.h        |   1 +
>  drivers/gpu/drm/xe/xe_trace_lrc.h        |   8 +-
>  11 files changed, 228 insertions(+), 23 deletions(-)
>
> -- 
> 2.48.1
>
>
> -- 
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
> https://lists.ubuntu.com/mailman/listinfo/kernel-team
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