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: <c82b5395b35a4d13a05f3826243070e0@quicinc.com>
Date: Mon, 25 Nov 2024 10:13:42 +0000
From: "Renjiang Han (QUIC)" <quic_renjiang@...cinc.com>
To: "bryan.odonoghue@...aro.org" <bryan.odonoghue@...aro.org>,
        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 Monday, November 25, 2024 5:36 PM, Bryan O'Donoghue wrote:
> 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.
Thanks for your reply. Yes, we need to test on sdm845. Please help run these two changes on sdm845. Thanks for your help again.
> ---
> bod