[Intel-gfx] [PATCH] drm/i915/guc: Always initialize action_lock

[Srivatsa, Anusha]

>-----Original Message-----
>From: Intel-gfx [mailto:intel-gfx-bounces at lists.freedesktop.org] On Behalf Of
>Chris Wilson
>Sent: Tuesday, November 22, 2016 9:06 AM
>To: Hiler, Arkadiusz <arkadiusz.hiler at intel.com>
>Cc: intel-gfx at lists.freedesktop.org
>Subject: Re: [Intel-gfx] [PATCH] drm/i915/guc: Always initialize action_lock
>
>On Tue, Nov 22, 2016 at 05:22:47PM +0100, Arkadiusz Hiler wrote:
>> Action lock is not being initialized if the GuC submission is disabled
>> (i.e. i915.guc_submission=0).
>>
>> host2guc_action(), which uses the action_lock can be used for
>> non-submission purposes, e.g. triggering HuC authentication.
>>
>> Moving action_lock initialization before enablement check will allow
>> us to use the host2guc_action no matter whether submission is enabled
>> or not.
>>
>> Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
>> Cc: Jeff McGee <jeff.mcgee at intel.com>
>> Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler at intel.com>
>
>Seems like you want to split uc_send(), uc_recv() out of i915_guc_submission.c -
>Chris
 Hiler, this fixes the guc_loading enabled and guc_submission disabled scenario that I was facing.
Anusha
>--
>Chris Wilson, Intel Open Source Technology Centre
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