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drm/xe/vf: Skip engine ring enabling if VF

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All engines will be correctly initialized by the PF driver.
Moreover, VF drivers can't access related engine registers.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619214557.905-9-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2024-06-19 23:45:56 +02:00
parent ef3fcfe063
commit 7875fe7c24
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/xe/xe_hw_engine.c
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@ -547,7 +547,8 @@ static int hw_engine_init(struct xe_gt *gt, struct xe_hw_engine *hwe,
if (hwe->class == XE_ENGINE_CLASS_OTHER)
hwe->irq_handler = xe_gsc_hwe_irq_handler;
xe_hw_engine_enable_ring(hwe);
if (!IS_SRIOV_VF(xe))
xe_hw_engine_enable_ring(hwe);
}
/* We reserve the highest BCS instance for USM */