drm/xe/vf: Register CCS read/write contexts with Guc

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Register read write contexts with newly added flags with GUC and
enable the context immediately after registration.
Re-register the context with Guc when resuming from runtime suspend as
soft reset is applied to Guc during xe_pm_runtime_resume().
Make Ring head=tail while unbinding device to avoid issues with VF pause
after device is unbinded.

Signed-off-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250722120506.6483-4-satyanarayana.k.v.p@intel.com

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Satyanarayana K V P 2025-07-22 17:35:06 +05:30 • committed by Matthew Brost

parent 864690cf4d

commit 916ee4704a

9 changed files with 150 additions and 20 deletions

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5

drivers/gpu/drm/xe/xe_guc_fwif.h

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34

drivers/gpu/drm/xe/xe_guc_submit.c

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1

drivers/gpu/drm/xe/xe_guc_submit.h

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24

drivers/gpu/drm/xe/xe_migrate.c

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3

drivers/gpu/drm/xe/xe_migrate.h

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4

drivers/gpu/drm/xe/xe_pm.c

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drivers/gpu/drm/xe/xe_sriov_vf_ccs.c

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1

drivers/gpu/drm/xe/xe_sriov_vf_ccs.h

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drivers/gpu/drm/xe/xe_vm.c

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