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From: Stephen Boyd <swboyd@chromium.org>
To: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>,
	agross@kernel.org, bjorn.andersson@linaro.org,
	devicetree@vger.kernel.org, dianders@chromium.org,
	judyhsiao@chromium.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org, robh+dt@kernel.org,
	rohitkr@codeaurora.org, srinivas.kandagatla@linaro.org
Cc: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Subject: Re: [PATCH v2] arm64: dts: qcom: Update iommu property for simultaneous playback
Date: Mon, 12 Apr 2021 12:07:56 -0700
Message-ID: <161825447608.3764895.10280020916196054814@swboyd.mtv.corp.google.com> (raw)
In-Reply-To: <b955dcbb-48b6-f236-ccbd-bc7d0de1df60@codeaurora.org>

Quoting Srinivasa Rao Mandadapu (2021-04-09 22:17:07)
> Hi Stephen.
> 
> Thanks for your time!!!
> 
> 
> On 4/9/2021 10:31 PM, Stephen Boyd wrote:
> > Quoting Srinivasa Rao Mandadapu (2021-04-06 09:33:30)
> >> From: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
> >>
> >> Update iommu property in lpass cpu node for supporting
> >> simultaneous playback on headset and speaker.
> >>
> >> Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
> >> Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
> >> ---
> >> Changes since v1:
> >>     -- Commit messge header change
> >>
> >>   arch/arm64/boot/dts/qcom/sc7180.dtsi | 3 ++-
> >>   1 file changed, 2 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> >> index a6da78d31fdd..6228ba2d8513 100644
> >> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> >> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> >> @@ -3566,7 +3566,8 @@ lpass_cpu: lpass@62f00000 {
> >>                          reg = <0 0x62f00000 0 0x29000>;
> >>                          reg-names = "lpass-lpaif";
> >>   
> >> -                       iommus = <&apps_smmu 0x1020 0>;
> >> +                       iommus = <&apps_smmu 0x1020 0>,
> >> +                               <&apps_smmu 0x1021 0>;
> > The stream ID 0x1032 was also dropped in this version but there's no
> > mention of that in the changelog. Why?
> That is ID is for HDMI Stream, so as part of DP patches that will be added.

Ok, got it.

  reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-06 16:33 Srinivasa Rao Mandadapu
2021-04-09 17:01 ` Stephen Boyd
2021-04-10  5:17   ` Srinivasa Rao Mandadapu
2021-04-12 19:07     ` Stephen Boyd [this message]
2021-04-12 19:07 ` Stephen Boyd
2021-04-19 14:50 ` patchwork-bot+linux-arm-msm

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