From: "Heiko Stübner" <heiko@sntech.de>
To: Johan Jonker <jbx6244@gmail.com>
Cc: robh+dt@kernel.org, maxime.ripard@free-electrons.com,
airlied@linux.ie, daniel@ffwll.ch,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: gpu: arm,mali-utgard: add additional properties
Date: Tue, 19 May 2020 21:06:33 +0200 [thread overview]
Message-ID: <1740173.3xtLDEJ6Vg@diego> (raw)
In-Reply-To: <20200519164425.9729-1-jbx6244@gmail.com>
Hi,
Am Dienstag, 19. Mai 2020, 18:44:25 CEST schrieb Johan Jonker:
> In the old txt situation we add/describe only properties that are used
> by the driver/hardware itself. With yaml it also filters things in a
> node that are used by other drivers like 'assigned-clocks' and
> 'assigned-clock-rates' for some older Rockchip SoCs in 'gpu' nodes,
> so add them to 'arm,mali-utgard.yaml'.
though the other option would be to just get rid assigned-clocks
in dt-node for utgard malis ;-)
Like any good gpu, lima should just use frequency scaling to achieve
suitable (fast <-> powersaving) frequencies and it looks like a set
of patches for this was posted in december already [0].
So I guess one could expect opp-based scaling to land at some point.
Heiko
[0] https://lwn.net/Articles/807444/
prev parent reply other threads:[~2020-05-19 19:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-19 16:44 [PATCH] dt-bindings: gpu: arm,mali-utgard: add additional properties Johan Jonker
2020-05-19 19:06 ` Heiko Stübner [this message]
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