[Intel-gfx] [PATCH i-g-t v2] test/gem_mocs_settings: Testing MOCS register settings

[Peter Antoine]

On Mon, 11 Apr 2016, Chris Wilson wrote:

> On Mon, Apr 11, 2016 at 01:50:16PM +0100, Peter Antoine wrote:
>> On Fri, 8 Apr 2016, Chris Wilson wrote:
>>>> +	execbuf.flags = I915_EXEC_SECURE | engine_id;
>>>> +
>>>> +	gem_execbuf(fd, &execbuf);
>>>> +	gem_sync(fd, handle);
>>>
>>>       ^ Papering over a bug in your code.
>>>
>>> Hint: did you tell anyone that you were writing into the buffer?
>> Ok a write_domain and gem_wait.
>
> gem_wait isn't required, the order is enforced by gem_execbuf followed
> by gem_read or subsequent gem_set_domain (if using mmap interface).
> The API is geared towards explicit domain management.
> -Chris
Ok, done that. Will post a new version after you have had a chance to look 
at the version I just posted.

Peter.

>
>

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