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From: Matthias Brugger <matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Daniel Kurtz <djkurtz-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
Cc: "Enric Balletbo Serra"
	<eballetbo-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"Jitao Shi" <jitao.shi-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>,
	"David Airlie" <airlied-cv59FeDIM0c@public.gmane.org>,
	"Thierry Reding"
	<treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	"Mark Rutland" <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	stonea168-9Onoh4P/yGk@public.gmane.org,
	dri-devel
	<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
	"Andy Yan" <andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>,
	"Ajay Kumar"
	<ajaykumar.rs-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	"Vincent Palatin"
	<vpalatin-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	"cawa cheng" <cawa.cheng-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>,
	"Bibby Hsieh (謝濟遠)"
	<bibby.hsieh-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>,
	"CK Hu (胡俊光)" <ck.hu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>,
	"Russell King"
	<rmk+kernel-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"Sascha Hauer" <kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
	"Pawel Moll" <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
	"Ian Campbell"
	<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>
Subject: Re: [v17 2/2] drm/bridge: Add I2C based driver for ps8640 bridge
Date: Mon, 7 Nov 2016 17:53:42 +0100	[thread overview]
Message-ID: <3e2dfdfd-9d87-b49a-4012-6027bdca10f5@gmail.com> (raw)
In-Reply-To: <CAGS+omDmFdqzuFqcCe9gFGemZc88Yt0_3_o2KwOgW=GN_kCakQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>



On 05/11/16 00:21, Daniel Kurtz wrote:
> On Tue, Oct 25, 2016 at 6:23 AM, Matthias Brugger
> <matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>>
>> On 10/18/2016 04:37 PM, Enric Balletbo Serra wrote:
>> [...]
>>>> --- /dev/null
>>>> +++ b/drivers/gpu/drm/bridge/parade-ps8640.c
>> [...]
>>>>
>>>> +
>>>> +/* Firmware */
>>>> +#define PS_FW_NAME             "ps864x_fw.bin"
>>>> +
>>>
>>> From where I can download this firmware image?
>>
>> I suppose this FW bits have to be added to linux-firmware repository first, before this patch can be accepted.
>
> All PS8640 devices should already ship with working firmware.
> The firmware update procedure is only used in the unlikely event where
> one wants to update the bridge to a different firmware provided by
> Parade.
>
> Why must the lack of firmware really block landing this driver?
>
> If this is really so, can we just land the functional part of the
> driver first, and add the firmware update in a follow-up patch.
>

After checking other users of request_firmware and check them against 
linux-firmware I think we don't need the FW in linux-firmware to get the 
driver merged. Especially as there already is a working FW stored on the 
device.

Regards,
Matthias
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WARNING: multiple messages have this Message-ID (diff)
From: matthias.bgg@gmail.com (Matthias Brugger)
To: linux-arm-kernel@lists.infradead.org
Subject: [v17 2/2] drm/bridge: Add I2C based driver for ps8640 bridge
Date: Mon, 7 Nov 2016 17:53:42 +0100	[thread overview]
Message-ID: <3e2dfdfd-9d87-b49a-4012-6027bdca10f5@gmail.com> (raw)
In-Reply-To: <CAGS+omDmFdqzuFqcCe9gFGemZc88Yt0_3_o2KwOgW=GN_kCakQ@mail.gmail.com>



On 05/11/16 00:21, Daniel Kurtz wrote:
> On Tue, Oct 25, 2016 at 6:23 AM, Matthias Brugger
> <matthias.bgg@gmail.com> wrote:
>>
>> On 10/18/2016 04:37 PM, Enric Balletbo Serra wrote:
>> [...]
>>>> --- /dev/null
>>>> +++ b/drivers/gpu/drm/bridge/parade-ps8640.c
>> [...]
>>>>
>>>> +
>>>> +/* Firmware */
>>>> +#define PS_FW_NAME             "ps864x_fw.bin"
>>>> +
>>>
>>> From where I can download this firmware image?
>>
>> I suppose this FW bits have to be added to linux-firmware repository first, before this patch can be accepted.
>
> All PS8640 devices should already ship with working firmware.
> The firmware update procedure is only used in the unlikely event where
> one wants to update the bridge to a different firmware provided by
> Parade.
>
> Why must the lack of firmware really block landing this driver?
>
> If this is really so, can we just land the functional part of the
> driver first, and add the firmware update in a follow-up patch.
>

After checking other users of request_firmware and check them against 
linux-firmware I think we don't need the FW in linux-firmware to get the 
driver merged. Especially as there already is a working FW stored on the 
device.

Regards,
Matthias

WARNING: multiple messages have this Message-ID (diff)
From: Matthias Brugger <matthias.bgg@gmail.com>
To: Daniel Kurtz <djkurtz@chromium.org>
Cc: "Enric Balletbo Serra" <eballetbo@gmail.com>,
	"Jitao Shi" <jitao.shi@mediatek.com>,
	"David Airlie" <airlied@linux.ie>,
	"Thierry Reding" <treding@nvidia.com>,
	"Mark Rutland" <mark.rutland@arm.com>,
	stonea168@163.com, dri-devel <dri-devel@lists.freedesktop.org>,
	"Andy Yan" <andy.yan@rock-chips.com>,
	"Ajay Kumar" <ajaykumar.rs@samsung.com>,
	"Vincent Palatin" <vpalatin@chromium.org>,
	"cawa cheng" <cawa.cheng@mediatek.com>,
	"Bibby Hsieh (謝濟遠)" <bibby.hsieh@mediatek.com>,
	"CK Hu (胡俊光)" <ck.hu@mediatek.com>,
	"Russell King" <rmk+kernel@arm.linux.org.uk>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"Sascha Hauer" <kernel@pengutronix.de>,
	"Pawel Moll" <pawel.moll@arm.com>,
	"Ian Campbell" <ijc+devicetree@hellion.org.uk>,
	"Inki Dae" <inki.dae@samsung.com>,
	"Rob Herring" <robh+dt@kernel.org>,
	"moderated list:ARM/Mediatek SoC support"
	<linux-mediatek@lists.infradead.org>,
	"Yingjoe Chen" <yingjoe.chen@mediatek.com>,
	"Eddie Huang (黃智傑)" <eddie.huang@mediatek.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"Rahul Sharma" <rahul.sharma@samsung.com>,
	srv_heupstream <srv_heupstream@mediatek.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	"Philipp Zabel" <p.zabel@pengutronix.de>,
	"Kumar Gala" <galak@codeaurora.org>,
	"Sean Paul" <seanpaul@chromium.org>
Subject: Re: [v17 2/2] drm/bridge: Add I2C based driver for ps8640 bridge
Date: Mon, 7 Nov 2016 17:53:42 +0100	[thread overview]
Message-ID: <3e2dfdfd-9d87-b49a-4012-6027bdca10f5@gmail.com> (raw)
In-Reply-To: <CAGS+omDmFdqzuFqcCe9gFGemZc88Yt0_3_o2KwOgW=GN_kCakQ@mail.gmail.com>



On 05/11/16 00:21, Daniel Kurtz wrote:
> On Tue, Oct 25, 2016 at 6:23 AM, Matthias Brugger
> <matthias.bgg@gmail.com> wrote:
>>
>> On 10/18/2016 04:37 PM, Enric Balletbo Serra wrote:
>> [...]
>>>> --- /dev/null
>>>> +++ b/drivers/gpu/drm/bridge/parade-ps8640.c
>> [...]
>>>>
>>>> +
>>>> +/* Firmware */
>>>> +#define PS_FW_NAME             "ps864x_fw.bin"
>>>> +
>>>
>>> From where I can download this firmware image?
>>
>> I suppose this FW bits have to be added to linux-firmware repository first, before this patch can be accepted.
>
> All PS8640 devices should already ship with working firmware.
> The firmware update procedure is only used in the unlikely event where
> one wants to update the bridge to a different firmware provided by
> Parade.
>
> Why must the lack of firmware really block landing this driver?
>
> If this is really so, can we just land the functional part of the
> driver first, and add the firmware update in a follow-up patch.
>

After checking other users of request_firmware and check them against 
linux-firmware I think we don't need the FW in linux-firmware to get the 
driver merged. Especially as there already is a working FW stored on the 
device.

Regards,
Matthias

  parent reply	other threads:[~2016-11-07 16:53 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-27  6:44 [v17 1/2] Documentation: bridge: Add documentation for ps8640 DT properties Jitao Shi
2016-08-27  6:44 ` Jitao Shi
2016-08-27  6:44 ` Jitao Shi
     [not found] ` <1472280263-18177-1-git-send-email-jitao.shi-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2016-08-27  6:44   ` [v17 2/2] drm/bridge: Add I2C based driver for ps8640 bridge Jitao Shi
2016-08-27  6:44     ` Jitao Shi
2016-08-27  6:44     ` Jitao Shi
     [not found]     ` <1472280263-18177-2-git-send-email-jitao.shi-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2016-10-18 14:37       ` Enric Balletbo Serra
2016-10-18 14:37         ` Enric Balletbo Serra
2016-10-18 14:37         ` Enric Balletbo Serra
2016-10-25 12:23         ` Matthias Brugger
2016-10-25 12:23           ` Matthias Brugger
2016-10-25 12:23           ` Matthias Brugger
2016-11-04 23:21           ` Daniel Kurtz
2016-11-04 23:21             ` Daniel Kurtz
2016-11-04 23:21             ` Daniel Kurtz
     [not found]             ` <CAGS+omDmFdqzuFqcCe9gFGemZc88Yt0_3_o2KwOgW=GN_kCakQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-11-07 16:53               ` Matthias Brugger [this message]
2016-11-07 16:53                 ` Matthias Brugger
2016-11-07 16:53                 ` Matthias Brugger
2016-11-10 16:39     ` Enric Balletbo Serra
2016-11-10 16:39       ` Enric Balletbo Serra
2016-11-10 16:39       ` Enric Balletbo Serra
     [not found]       ` <CAFqH_52A4=GubRjPa8X1=STExXFZy2HdoASEGUBYwqGt0BEFcw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-11-11  6:02         ` Archit Taneja
2016-11-11  6:02           ` Archit Taneja
2016-11-11  6:02           ` Archit Taneja
2016-11-14 13:50           ` Jitao Shi
2016-11-14 13:50             ` Jitao Shi
2016-11-14 13:50             ` Jitao Shi

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