[PATCH v6 7/9] drm/xe/vf: Post migration, repopulate ring area for pending request

[Michał Winiarski]

On Fri, Jul 04, 2025 at 11:02:26PM +0200, Tomasz Lis wrote:
> The commands within ring area allocated for a request may contain
> references to GGTT. These references require update after VF
> migration, in order to continue any preempted LRCs, or jobs which
> were emitted to the ring but not sent to GuC yet.
> 
> This change calls the emit function again for all such jobs,
> as part of post-migration recovery.
> 
> v2: Moved few functions to better files
> v3: Take job_list_lock
> 
> Signed-off-by: Tomasz Lis <tomasz.lis at intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Michal Winiarski <michal.winiarski at intel.com>

Reviewed-by: Michał Winiarski <michal.winiarski at intel.com>

Thanks,
-Michał

> ---
>  drivers/gpu/drm/xe/xe_exec_queue.c | 24 ++++++++++++++++++++++++
>  drivers/gpu/drm/xe/xe_exec_queue.h |  2 ++
>  drivers/gpu/drm/xe/xe_guc_submit.c | 24 ++++++++++++++++++++++++
>  drivers/gpu/drm/xe/xe_guc_submit.h |  2 ++
>  drivers/gpu/drm/xe/xe_sriov_vf.c   |  2 +-
>  5 files changed, 53 insertions(+), 1 deletion(-)