[PATCH v3 0/8] More missing XeLP workarounds

[Tvrtko Ursulin]

On 13/06/2025 13:41, Tvrtko Ursulin wrote:
> Some more missing XeLP workarounds. This time including some which need to go
> into indirect context, which also means some plumbing had to be added.
> 
> Includes a fix to use iosys helpers for existing wa bb emission since there is a
> code dependency on it.
> 
> v2:
>   * Use iosys helpers.
>   * Split indirect context plumbing as a separate patch.
>   * Tweak where and how Wa_16010904313 is emitted.
>   * Move Wa_18022495364 into the wa_bb.
> 
>   v3:
>    * Rewrite on top of Lucas' wa bb changes - use same infrastructure.

Scratch this, I did not spot 3a1edef8f4b5 ("drm/xe: Make WA BB part of 
LRC BO") has sneaked in while I was reworking this. Stay tuned for v4.

Regards,

Tvrtko

> 
> Cc: Lucas De Marchi <lucas.demarchi at intel.com>
> Cc: Matt Roper <matthew.d.roper at intel.com>
> 
> Tvrtko Ursulin (8):
>    drm/xe: Clarify LRC size when allocating
>    drm/xe: Generalize wa bb emission code
>    drm/xe: Support writing at offset in workaround batch buffer emission
>    drm/xe: Return number of written dwords from workaround batch buffer
>      emission
>    drm/xe: Allow specifying number of extra dwords at the end of wa bb
>      emission
>    drm/xe: Add plumbing for indirect context workarounds
>    drm/xe/xelp: Implement Wa_16010904313
>    drm/xe/xelp: Add Wa_18022495364
> 
>   .../gpu/drm/xe/instructions/xe_mi_commands.h  |   1 +
>   drivers/gpu/drm/xe/regs/xe_engine_regs.h      |   3 +
>   drivers/gpu/drm/xe/regs/xe_lrc_layout.h       |   4 +
>   drivers/gpu/drm/xe/xe_lrc.c                   | 231 +++++++++++++++---
>   drivers/gpu/drm/xe/xe_lrc_types.h             |   5 +-
>   drivers/gpu/drm/xe/xe_wa_oob.rules            |   2 +
>   6 files changed, 212 insertions(+), 34 deletions(-)
>