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List:       linux-tegra
Subject:    Re: [RFC,libdrm 1/3] tegra: Add stream library
From:       Terje_Bergström <tbergstrom () nvidia ! com>
Date:       2012-12-31 6:22:18
Message-ID: 50E12F1A.3000803 () nvidia ! com
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On 28.12.2012 22:48, Thierry Reding wrote:
> I disagree. We shouldn't be hiding this kind of detail behind an #ifdef.
> Instead it should be detected at runtime. Otherwise you'll need to build
> different versions of libdrm for every generation of Tegra. That may be
> fine for NVIDIA provided BSPs, but distributions would have a very hard
> time dealing with that. What we want is software that works unmodified
> on as many generations of Tegra as possible.

I agree. The fences will be rejected by kernel and kernel knows about
number of sync points in each host1x revision. So, we could just submit
and look at return code.

Terje

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