Re: [Regression v4.2] Re: [PATCH 7/9] drm/radeon: add VCE 1.0 support v4

From: Lucas Stach
Date: Thu Aug 13 2015 - 02:36:18 EST

Am Donnerstag, den 13.08.2015, 15:18 +0900 schrieb Michel DÃnzer:
> On 13.08.2015 15:03, Lucas Stach wrote:
> > Hi Christian,
> >
> > this commit is causing a boot regression with v4.2-rcX on my Richland
> > APU (CHIP_ARUBA) based laptop. I didn't have time yet to track down
> > where exactly it is going wrong, but I bisected it down to this single
> > commit.
> >
> > I don't have the VCE firmware installed on this system, so from a quick
> > look at the code I would expect it to drop out pretty early and just
> > leave the VCE unconfigured, but otherwise keep things working as before.
> > This is unfortunately not the case.
> If the radeon driver is built into the kernel (or loaded from the
> initrd?), the attempt to load the firmware might take a long time to
> time out.
Gah. Thanks, I was too impatient to wait for the firmware loading to
time out. In fact this is a standard Fedora kernel config, so radeon is
a module, but it is built into the initrd.

So it's not really readeons fault, but one more iteration of the fact
that anything involving firmware loading is just horribly inconvenient.
Especially if it's firmware for an optional component.


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