Commit add38f82 authored by Karol Wachowski's avatar Karol Wachowski Committed by Jacek Lawrynowicz
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accel/ivpu: Clear CDTAB entry in case of failure 



Don't leave a context descriptor in case CFGI_ALL flush fails.
Mark it as invalid (by clearing valid bit) so nothing is left in
partially-initialized state.

Signed-off-by: default avatarKarol Wachowski <karol.wachowski@intel.com>
Reviewed-by: default avatarJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: default avatarJeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: default avatarJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241017145817.121590-5-jacek.lawrynowicz@linux.intel.com
parent 94b2a2c0

drivers/accel/ivpu/ivpu_mmu.c

+8 −1
Original line number Diff line number Diff line
@@ -749,10 +749,17 @@ static int ivpu_mmu_cdtab_entry_set(struct ivpu_device *vdev, u32 ssid, u64 cd_d 


	ret = ivpu_mmu_cmdq_write_cfgi_all(vdev);

	if (ret)

		goto unlock;

		goto err_invalidate;



	ret = ivpu_mmu_cmdq_sync(vdev);

	if (ret)

		goto err_invalidate;

unlock:

	mutex_unlock(&mmu->lock);

	return 0;



err_invalidate:

	WRITE_ONCE(entry[0], 0);

	mutex_unlock(&mmu->lock);

	return ret;

}