Re: [PATCH v3 0/2] drm/xe:Mutual exclusivity between CCS-mode and PF

[Michal Wajdeczko <michal.wajdeczko@intel.com>]

On 2/2/2026 6:08 PM, Nareshkumar Gollakoti wrote:
> Due to SLA agreement between PF and VFs, Currently we block CCS mode
> changes if driver is running as PF, even if there are no VFs enabled yet.
> Use lockdown mechanism provided by the PF to relax that limitation
> and still enforce above VFs related requirements.Also skipping CCS-mode
> sysfs entry in VF Mode.
> 
> ---
> The previous change log can be referenced at the following link,
> https://patchwork.freedesktop.org/series/154538/#rev9
> 
> v1:(Michal)
> - Split into two patches with cover letter and subject of cover letter
>   refactored
> 
> v2:(Michal)
> - Add direct code instead of gt_prepare_ccs_mode_enabling and
>   gt_finish_ccs_mode_enabling function's for readability
> 
> v3: (Michal)
> - Remove Fix up tag in commit message
> - Refactored Commit Message
> 
> Nareshkumar Gollakoti (2):
>   drm/xe: Fix Prevent VFs from exposing the CCS mode sysfs file
>   drm/xe: Mutual exclusivity between CCS-mode and PF
> 
>  drivers/gpu/drm/xe/xe_gt_ccs_mode.c | 44 +++++++++++++++++++----------
>  1 file changed, 29 insertions(+), 15 deletions(-)
> 

Corrected commit messages and pushed to drm-xe-next.
Thanks for the patches.