From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko =?ISO-8859-1?Q?St=FCbner?= Subject: Re: [PATCH] dt-bindings: gpu: arm,mali-utgard: add additional properties Date: Tue, 19 May 2020 21:06:33 +0200 Message-ID: <1740173.3xtLDEJ6Vg@diego> References: <20200519164425.9729-1-jbx6244@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <20200519164425.9729-1-jbx6244-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Johan Jonker Cc: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, airlied-cv59FeDIM0c@public.gmane.org, daniel-/w4YWyX8dFk@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rockchip.vger.kernel.org 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/