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drm/xe: don't expose the GSCCS to users

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The kernel is the only expected user of the GSCCS, so we don't want to
expose it to userspace.

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20230817201831.1583172-7-daniele.ceraolospurio@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Daniele Ceraolo Spurio 2023-08-17 13:18:30 -07:00 committed by Rodrigo Vivi
parent f4c33ae8ec
commit 92939935f4
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/xe/xe_hw_engine.c
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@ -795,6 +795,9 @@ bool xe_hw_engine_is_reserved(struct xe_hw_engine *hwe)
struct xe_gt *gt = hwe->gt;
struct xe_device *xe = gt_to_xe(gt);
if (hwe->class == XE_ENGINE_CLASS_OTHER)
return true;
return xe->info.supports_usm && hwe->class == XE_ENGINE_CLASS_COPY &&
hwe->instance == gt->usm.reserved_bcs_instance;
}