linux-kernel - Re: [PATCH 0/2] Use APIs in gdsc genpd to switch gdsc mode for venus v4 core

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Message-ID: <970a37f0-ccb4-4c23-972f-4100cb6c4e81@linaro.org>
Date: Mon, 25 Nov 2024 09:35:59 +0000
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: "Renjiang Han (QUIC)" <quic_renjiang@...cinc.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
 "Vikash Garodia (QUIC)" <quic_vgarodia@...cinc.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
 "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
 "Taniya Das (QUIC)" <quic_tdas@...cinc.com>
Subject: Re: [PATCH 0/2] Use APIs in gdsc genpd to switch gdsc mode for venus
 v4 core

On 25/11/2024 03:49, Renjiang Han (QUIC) wrote:
>> What help do you need ?
> Since the GDSC flag has been changed to HW_CTRL_TRIGGER, the v4 core needs to use
> dev_pm_genpd_set_hwmode to switch the GDSC mode like v6. The video codec has
> been verified on SC7180 and the result is OK. The same verification has been done on
> the latest QCS615 and the result is also OK.
> In addition, since the videocc of QCS615 uses the HW_CTRL_TRIGGER flag, QCS615 and
> SC7180 both use the v4 core in venus. So the v4 core needs to use
> dev_pm_genpd_set_hwmode to switch the GDSC mode like v6.

I think you need this tested on sdm845.

I can do that for you.

---
bod