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Thu, 3 Jan 2019 22:16:34 +0800 Message-ID: <1546524994.6818.56.camel@mtksdaap41> Subject: Re: [RFC RESEND PATCH 4/7] arm64: dts: mt8183: add performance state support of scpsys From: Henry Chen To: Viresh Kumar Date: Thu, 3 Jan 2019 22:16:34 +0800 In-Reply-To: <20190103044727.i34ak7vw6qfircvq@vireshk-i7> References: <1546438198-1677-1-git-send-email-henryc.chen@mediatek.com> <1546438198-1677-5-git-send-email-henryc.chen@mediatek.com> <20190103044727.i34ak7vw6qfircvq@vireshk-i7> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190103_061644_959787_030F2C9C X-CRM114-Status: GOOD ( 14.46 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , James Liao , Ulf Hansson , Kees Cook , Weiyi Lu , linux-pm@vger.kernel.org, Stephen Boyd , Viresh Kumar , linux-kernel@vger.kernel.org, Fan Chen , devicetree@vger.kernel.org, Rob Herring , linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 2019-01-03 at 10:17 +0530, Viresh Kumar wrote: > On 02-01-19, 22:09, Henry Chen wrote: > > Add support for performance state of scpsys on mt8183 platform. > > > > Signed-off-by: Henry Chen > > --- > > arch/arm64/boot/dts/mediatek/mt8183.dtsi | 21 +++++++++++++++++++++ > > 1 file changed, 21 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi > > index 47926a7..e396410 100644 > > --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi > > +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi > > @@ -9,6 +9,7 @@ > > #include > > #include > > #include > > +#include > > > > / { > > compatible = "mediatek,mt8183"; > > @@ -243,6 +244,26 @@ > > "vpu-3", "vpu-4", "vpu-5"; > > infracfg = <&infracfg>; > > smi_comm = <&smi_common>; > > + operating-points-v2 = <&dvfsrc_opp_table>; > > + dvfsrc_opp_table: opp-table { > > + compatible = "operating-points-v2-mtk-level"; > > + > > + dvfsrc_vol_min: opp1 { > > + mtk,level = ; > > + }; > > + > > + dvfsrc_freq_medium: opp2 { > > + mtk,level = ; > > + }; > > + > > + dvfsrc_freq_max: opp3 { > > + mtk,level = ; > > + }; > > + > > + dvfsrc_vol_max: opp4 { > > + mtk,level = ; > > + }; > > + }; > > }; > > I don't see a patch which makes use of this OPP table using the required-opps > thing. Where is that ? > Those user drivers of mt8183(e.g. camera, video decoder,...etc) are still preparing, so I send this RFC series to check if it is feasible first then they can apply the interface and send for review later. Henry _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel