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,
dmitry.baryshkov@oss.qualcomm.com, abhinav.kumar@linux.dev,
jesszhan0024@gmail.com, taniya.das@oss.qualcomm.com,
andersson@kernel.org
Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Abel Vesa <abel.vesa@oss.qualcomm.com>
Subject: Re: [PATCH v4 3/3] arm64: dts: qcom: sm8750: describe all MDSS block resets
Date: Fri, 13 Nov 2026 09:42:17 +0100 [thread overview]
Message-ID: <9d0a3aec-052f-4209-b2db-0c2112de33aa@oss.qualcomm.com> (raw)
In-Reply-To: <8a0c75949fcf428a2163a2e63b27fcf08d3b4f9c.1794558882.git.xiaqinghuan@mail.ustc.edu.cn>
On 11/13/26 9:36 AM, Qianhui Xu wrote:
> The SM8750 display clock controller provides, beside the MDSS core
> reset, a block reset for the MDSS core INT2 interrupt controller. The
> MDSS node is an interrupt controller in DT and the DPU takes its IRQ
> from it, so INT2 is part of the same block, not a separate device.
>
> Bootloaders hand over with the display block still running, so describe
> both block resets and let the MDSS reset return the whole group to a
> known state before any display hardware is programmed.
>
> Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> Signed-off-by: Qianhui Xu <xiaqinghuan@mail.ustc.edu.cn>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
prev parent reply other threads:[~2026-11-13 8:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-13 8:36 [PATCH v4 0/3] drm/msm/mdss: reset all block resets described in DT Qianhui Xu
2026-11-13 8:36 ` [PATCH v4 1/3] dt-bindings: display: msm: mdss-common: describe additional block resets Qianhui Xu
2026-11-13 8:36 ` [PATCH v4 2/3] drm/msm/mdss: reset all block resets described in DT Qianhui Xu
2026-11-13 8:36 ` [PATCH v4 3/3] arm64: dts: qcom: sm8750: describe all MDSS block resets Qianhui Xu
2026-11-13 8:42 ` Konrad Dybcio [this message]
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