linux-kernel - Re: [PATCH] ARM: dts: bcm283x: Use firmware PM driver for V3D

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Date:   Fri, 27 Mar 2020 12:24:27 +0100
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Florian Fainelli <f.fainelli@...il.com>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Eric Anholt <eric@...olt.net>
Cc:     devicetree@...r.kernel.org, Scott Branden <sbranden@...adcom.com>,
        Ray Jui <rjui@...adcom.com>, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        wahrenst@....net, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: dts: bcm283x: Use firmware PM driver for V3D

Hi,

Am 27.03.20 um 01:35 schrieb Florian Fainelli:
>
> On 3/26/2020 10:24 AM, Stefan Wahren wrote:
>> Am 26.03.20 um 13:24 schrieb Nicolas Saenz Julienne:
>>> Hi Stefan and Florian,
>>>
>>> On Tue, 2020-03-03 at 18:32 +0100, Nicolas Saenz Julienne wrote:
>>>> The register based driver turned out to be unstable, specially on RPi3a+
>>>> but not limited to it. While a fix is being worked on, we roll back to
>>>> using firmware based scheme.
>>>>
>>>> Fixes: e1dc2b2e1bef ("ARM: bcm283x: Switch V3D over to using the PM driver
>>>> instead of firmware")
>>>> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
>>>> ---
>>> now that the problem Stefan was seeing is being taken care of, I think it's
>>> fair to reconsider taking this patch. Maybe even adding a Tested-by by Stefan?
>> after applying "drm/vc4: Fix HDMI mode validation" this commit doesn't
>> cause any regression:
>>
>> Tested-by: Stefan Wahren <stefan.wahren@...e.com>
> Good, how do you like to see this applied? Do we need to ensure that
> drm/vc4: Fix HDMI mode validation is applied to Linus' tree before
> merging this one? Nicolas, should this be queued for 5.7 or 5.8 (I do
> not think the 5.7 PRs have been merged yet).
not sure how many are affected. I'm fine as long as both patches are
applied to a tree.

Regards