linux-kernel - Re: [PATCH] drm/sti: Remove select of CONFIG_FW_LOADER_USER_HELPER

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Date:	Thu, 29 Oct 2015 14:37:51 +0000
From:	Emil Velikov <emil.l.velikov@...il.com>
To:	Vincent ABRIOU <vincent.abriou@...com>
Cc:	Takashi Iwai <tiwai@...e.de>,
	Benjamin Gaignard <benjamin.gaignard@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH] drm/sti: Remove select of CONFIG_FW_LOADER_USER_HELPER_FALLBACK

On 29 October 2015 at 14:21, Vincent ABRIOU <vincent.abriou@...com> wrote:
> Hi Takashi,
>
> Removing FW_LOADER_USER_HELPER_FALLBACK leads to a failure in our HQVDP
> firmware execution.
> Indeed, our firmware is not built-in. It is a proprietary firmware
> uploaded into the file system that's why we need the
> USER_HELPER_FALLBACK to be able to load it once file system is available.
>
Hmm most other DRM drivers also require firmware. Whist some allow the
firmware to be picked in initrd it's not a strict requirement.
So I'm wondering how come there hasn't been (m)any reports,
considering that neither one sets USER_HELPER_FALLBACK.

Perhaps they also need it, or something in the sti module is done
differently ? Just some food for thought.

Regards,
Emil
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