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List:       dri-devel
Subject:    Re: [PATCH] i915: Drop legacy execbuffer support
From:       Keith Packard <keithp () keithp ! com>
Date:       2021-03-10 22:04:20
Message-ID: 87a6raekd7.fsf () keithp ! com
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Jason Ekstrand <jason@jlekstrand.net> writes:

> libdrm has supported the newer execbuffer2 ioctl and using it by default
> when it exists since libdrm commit b50964027bef249a0cc3d511de05c2464e0a1e22
> which landed Mar 2, 2010.  The i915 and i965 drivers in Mesa at the time
> both used libdrm and so did the Intel X11 back-end.  The SNA back-end
> for X11 has always used execbuffer2.

All execbuffer users in the past that I'm aware of used libdrm, which
now uses the execbuffer2 ioctl for this API. That means these
applications will remain ABI compatible through this change.

Acked-by: Keith Packard <keithp@keithp.com>

-- 
-keith

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