From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Qianhui Xu <xiaqinghuan@mail.ustc.edu.cn>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org
Cc: Rob Clark <robin.clark@oss.qualcomm.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Jessica Zhang <jesszhan0024@gmail.com>,
Sean Paul <sean@poorly.run>,
Marijn Suijten <marijn.suijten@somainline.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Taniya Das <taniya.das@oss.qualcomm.com>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/3] dt-bindings: display: msm: mdss-common: describe additional block resets
Date: Fri, 30 Oct 2026 16:02:26 +0100 [thread overview]
Message-ID: <d265dd66-d8fb-4fd2-b6cb-d50462e4b6e2@oss.qualcomm.com> (raw)
In-Reply-To: <20261029123238.29877-2-xiaqinghuan@mail.ustc.edu.cn>
On 10/29/26 1:32 PM, Qianhui Xu wrote:
> Some platforms provide more than one reset for the MDSS hardware block:
> beside the MDSS core reset, the SM8750 display clock controller also
> exposes block resets for the MDSS core INT2 interrupt controller and
> for the MDSS RSC (resource state controller).
>
> Allow the resets property to list up to three resets, keeping the MDSS
> core reset as the first entry so that existing device trees describing
> a single reset remain valid.
>
> Signed-off-by: Qianhui Xu <xiaqinghuan@mail.ustc.edu.cn>
> ---
> .../devicetree/bindings/display/msm/mdss-common.yaml | 5 ++++-
> .../devicetree/bindings/display/msm/qcom,sm8750-mdss.yaml | 4 +++-
> 2 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
> index c6305a6e03..7c0ac90511 100644
> --- a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
> @@ -84,8 +84,11 @@ properties:
> - const: cpu-cfg
>
> resets:
> + minItems: 1
> items:
> - - description: MDSS_CORE reset
> + - description: MDSS core reset
> + - description: MDSS core INT2 interrupt controller reset
> + - description: MDSS RSC (resource state controller) reset
MDSS RSC is not part of MDSS itself
Konrad
next prev parent reply other threads:[~2026-10-30 15:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-29 12:32 [PATCH v2 0/3] drm/msm/mdss: reset all MDSS block resets described in DT Qianhui Xu
2026-10-29 12:32 ` [PATCH v2 1/3] dt-bindings: display: msm: mdss-common: describe additional block resets Qianhui Xu
2026-10-30 15:02 ` Konrad Dybcio [this message]
2026-10-31 5:27 ` Qianhui Xu
2026-10-29 12:32 ` [PATCH v2 2/3] drm/msm/mdss: reset all block resets described in DT Qianhui Xu
2026-10-29 12:32 ` [PATCH v2 3/3] arm64: dts: qcom: sm8750: describe all MDSS block resets Qianhui Xu
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