linux-kernel - Re: [RFC PATCH 0/4] DirectX on Linux

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Date:   Tue, 16 Jun 2020 12:51:13 +0200
From:   Pavel Machek <pavel@....cz>
To:     Thomas Zimmermann <tzimmermann@...e.de>
Cc:     Sasha Levin <sashal@...nel.org>, alexander.deucher@....com,
        chris@...is-wilson.co.uk, ville.syrjala@...ux.intel.com,
        Hawking.Zhang@....com, tvrtko.ursulin@...el.com,
        linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org,
        kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        wei.liu@...nel.org, spronovo@...rosoft.com, iourit@...rosoft.com,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        gregkh@...uxfoundation.org
Subject: Re: [RFC PATCH 0/4] DirectX on Linux

Hi!

> > The driver creates the /dev/dxg device, which can be opened by user mode
> > application and handles their ioctls. The IOCTL interface to the driver
> > is defined in dxgkmthk.h (Dxgkrnl Graphics Port Driver ioctl
> > definitions). The interface matches the D3DKMT interface on Windows.
> > Ioctls are implemented in ioctl.c.
> 
> Echoing what others said, you're not making a DRM driver. The driver should live outside 
> of the DRM code.
> 

Actually, this sounds to me like "this should not be merged into linux kernel". I mean,
we already have DRM API on Linux. We don't want another one, do we?

And at the very least... this misses API docs for /dev/dxg. Code can't really 
be reviewed without that.

Best regards,
										Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html