NACK/Cmnt: [P:linux][PATCH 0/5] drm/xe/bmg: fix frequency changes workaround

Manuel Diewald manuel.diewald at canonical.com
Tue Oct 7 09:47:12 UTC 2025


On Tue, Sep 09, 2025 at 04:57:04PM +0200, Thibault Ferrante wrote:
> BugLink: https://bugs.launchpad.net/bugs/2122421
> 
> [ Impact ]
> 
>  * Previous workaround was limiting BMG frequency in some circumstances but didn't wait 
>  for it to reduce effectively before proceeding.
> 
> [ Fix ]
> 
>  * This is fixed by upstream commit: deea6a7d6d8 drm/xe/bmg: Update Wa_22019338487
>  * This commit has been included in v6.15.6
>  * Cherry pick it and other related commit that leads to it.
> 
> [ Test Plan ]
> 
>  * Tested by intel.
>  * Built and boot tested and supported device.
> 
> [ Where problems could occur ]
> 
>  * Regression in the BMG driver and graphics handling.
> 
> Lucas De Marchi (2):
>   drm/xe/guc_pc: Add _locked variant for min/max freq
>   drm/xe: Split xe_device_td_flush()
> 
> Vinay Belgaumkar (3):
>   drm/xe/guc: Ignore GuC CT errors when wedged
>   drm/xe/bmg: Update Wa_14022085890
>   drm/xe/bmg: Update Wa_22019338487
> 
>  drivers/gpu/drm/xe/xe_device.c       |  72 +++++---
>  drivers/gpu/drm/xe/xe_guc_pc.c       | 259 +++++++++++++++++++++------
>  drivers/gpu/drm/xe/xe_guc_pc.h       |   2 +
>  drivers/gpu/drm/xe/xe_guc_pc_types.h |   2 +
>  drivers/gpu/drm/xe/xe_wa_oob.rules   |   3 +
>  5 files changed, 253 insertions(+), 85 deletions(-)
> 
> -- 
> 2.48.1
> 
> 
> -- 
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This submission is missing the leading '[SRU]' tag. Also, when trying to
apply this to plucky:linux, patch 2/5 drm/xe/bmg: Update Wa_14022085890
causes conflicts for me. Could you have another look and re-submit?
Sorry for the inconvenience.

-- 
 Manuel
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