From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
To: Dikshita Agarwal <quic_dikshita@quicinc.com>,
Vikash Garodia <quic_vgarodia@quicinc.com>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org,
Neil Armstrong <neil.armstrong@linaro.org>
Subject: Re: [PATCH v3] media: iris: vpu3x: Add MNoC low power handshake during hardware power-off
Date: Thu, 21 Aug 2025 15:00:41 +0100 [thread overview]
Message-ID: <9863f7e7-ef3e-4f57-bbbe-9ac4aa88a426@linaro.org> (raw)
In-Reply-To: <20250821-sm8650-power-sequence-fix-v3-1-645816ba3826@quicinc.com>
On 21/08/2025 11:54, Dikshita Agarwal wrote:
> Add the missing write to AON_WRAPPER_MVP_NOC_LPI_CONTROL before
> reading the LPI status register. Introduce a handshake loop to ensure
> MNoC enters low power mode reliably during VPU3 hardware power-off with
> timeout handling.
So right now upstream we have an incorrect power-off sequence.
In which case this is a bug fix and needs a Fixes: tag.
---
bod
prev parent reply other threads:[~2025-08-21 14:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-21 10:54 Dikshita Agarwal
2025-08-21 13:45 ` Bryan O'Donoghue
2025-08-21 14:00 ` Bryan O'Donoghue [this message]
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