> -----Original Message-----
> From: Chris Wilson [mailto:ch...@chris-wilson.co.uk]
> Sent: Tuesday, December 23, 2014 5:53 PM
> To: Zhang, Xiong Y
> Cc: intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH] igt: Correct the return value for drm
> short_buffer read
>
> On Tue, Dec 23, 2014 at 03:52:11PM +0800, Xiong Zhang wrote:
> > After i915 commit:
> > commit bd008e5b2953186fc0c6633a885ade95e7043800
> > Author: Chris Wilson <ch...@chris-wilson.co.uk>
> > Date: Tue Oct 7 14:13:51 2014 +0100
> >
> > drm: Implement O_NONBLOCK support on /dev/dri/cardN
> >
> > the return value for drm short_buffer read is -1 and errno is EAGAIN.
>
> No, it is not.
> -Chris
Without this patch, system fail in short-buffer-block and short-buffer-nonblock
subtest.
With this patch, these two subtest could pass.
>
> --
> Chris Wilson, Intel Open Source Technology Centre
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