linux-kernel - Re: [rft, PATCH v1 0/2] drm/i915/dsi: An attempt to get rid of IOSF GPIO on VLV

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Message-ID: <ZS/VE3w7bafj+Kuu@smile.fi.intel.com>
Date:   Wed, 18 Oct 2023 15:52:35 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Jani Nikula <jani.nikula@...el.com>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [rft, PATCH v1 0/2] drm/i915/dsi: An attempt to get rid of IOSF
 GPIO on VLV

On Wed, Oct 18, 2023 at 11:09:35AM +0200, Hans de Goede wrote:
> On 10/18/23 07:10, Andy Shevchenko wrote:
> > DSI code for VBT has a set of ugly GPIO hacks, one of which is direct
> > talking to GPIO IP behind the actual driver's back. An attempt to fix
> > that is here.
> > 
> > If I understood correctly, my approach should work in the similar way as
> > the current IOSF GPIO. 
> > 
> > Hans, I believe you have some devices that use this piece of code,
> > is it possible to give a test run on (one of) them?
> 
> Yes I should be able to find a device or 2 which poke GPIOs from the
> VBT MIPI sequences. Unfortunately I don't know from the top of my head
> which devices actually use this, so I may need to try quite a few devices
> before finding one which actually uses this.
> 
> I'll try to get this series tested sometime the coming weeks,
> depending on when I can schedule some time for this.

No hurry. maybe you simply can add into your usual tree you run on your
devices?

-- 
With Best Regards,
Andy Shevchenko