linux-kernel - Re: [PATCH] Revert "venus: firmware: Correct non-pix start and end addresses"

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Date:   Tue, 7 Feb 2023 17:50:19 +0000
From:   "mka@...omium.org" <mka@...omium.org>
To:     Vikash Garodia <vgarodia@....qualcomm.com>
Cc:     Javier Martinez Canillas <javierm@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Albert Esteve <aesteve@...hat.com>,
        "stanimir.varbanov@...aro.org" <stanimir.varbanov@...aro.org>,
        Enric Balletbo i Serra <eballetb@...hat.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        "Vikash Garodia (QUIC)" <quic_vgarodia@...cinc.com>,
        "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        Fritz Koenig <frkoenig@...gle.com>,
        "Dikshita Agarwal (QUIC)" <quic_dikshita@...cinc.com>,
        "Rajeshwar Kurapaty (QUIC)" <quic_rkurapat@...cinc.com>
Subject: Re: [PATCH] Revert "venus: firmware: Correct non-pix start and end
 addresses"

Hi Vikash,

On Tue, Feb 07, 2023 at 04:40:24PM +0000, Vikash Garodia wrote:
> Hi Javier and Matthias,
> Can we try the attached patch if that fixes the suspend issue for sc7180 and sc7280 ?

On my side the patch fixes the issue for sc7280, but not sc7180.

> > -----Original Message-----
> > From: Javier Martinez Canillas <javierm@...hat.com>
> > Sent: Tuesday, February 7, 2023 3:53 PM
> > To: linux-kernel@...r.kernel.org
> > Cc: Albert Esteve <aesteve@...hat.com>; stanimir.varbanov@...aro.org;
> > Matthias Kaehlcke <mka@...omium.org>; Enric Balletbo i Serra
> > <eballetb@...hat.com>; Javier Martinez Canillas <javierm@...hat.com>; Andy
> > Gross <agross@...nel.org>; Bjorn Andersson <andersson@...nel.org>; Konrad
> > Dybcio <konrad.dybcio@...aro.org>; Mauro Carvalho Chehab
> > <mchehab@...nel.org>; Stanimir Varbanov
> > <stanimir.k.varbanov@...il.com>; Vikash Garodia (QUIC)
> > <quic_vgarodia@...cinc.com>; linux-arm-msm@...r.kernel.org; linux-
> > media@...r.kernel.org
> > Subject: [PATCH] Revert "venus: firmware: Correct non-pix start and end
> > addresses"
> > 
> > WARNING: This email originated from outside of Qualcomm. Please be wary of
> > any links or attachments, and do not enable macros.
> > 
> > This reverts commit a837e5161cfffbb3242cc0eb574f8bf65fd32640, which
> > broke probing of the venus driver, at least on the SC7180 SoC HP X2
> > Chromebook:
> > 
> >   [   11.455782] qcom-venus aa00000.video-codec: Adding to iommu group 11
> >   [   11.506980] qcom-venus aa00000.video-codec: non legacy binding
> >   [   12.143432] qcom-venus aa00000.video-codec: failed to reset venus core
> >   [   12.156440] qcom-venus: probe of aa00000.video-codec failed with error -
> > 110
> > 
> > Matthias Kaehlcke also reported that the same change caused a regression in
> > SC7180 and sc7280, that prevents AOSS from entering sleep mode during
> > system suspend. So let's revert this commit for now to fix both issues.
> > 
> > Fixes: a837e5161cff ("venus: firmware: Correct non-pix start and end
> > addresses")
> > Reported-by: Matthias Kaehlcke <mka@...omium.org>
> > Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>
> > ---
> > 
> >  drivers/media/platform/qcom/venus/firmware.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/media/platform/qcom/venus/firmware.c
> > b/drivers/media/platform/qcom/venus/firmware.c
> > index 142d4c74017c..d59ecf776715 100644
> > --- a/drivers/media/platform/qcom/venus/firmware.c
> > +++ b/drivers/media/platform/qcom/venus/firmware.c
> > @@ -38,8 +38,8 @@ static void venus_reset_cpu(struct venus_core *core)
> >         writel(fw_size, wrapper_base + WRAPPER_FW_END_ADDR);
> >         writel(0, wrapper_base + WRAPPER_CPA_START_ADDR);
> >         writel(fw_size, wrapper_base + WRAPPER_CPA_END_ADDR);
> > -       writel(0, wrapper_base + WRAPPER_NONPIX_START_ADDR);
> > -       writel(0, wrapper_base + WRAPPER_NONPIX_END_ADDR);
> > +       writel(fw_size, wrapper_base + WRAPPER_NONPIX_START_ADDR);
> > +       writel(fw_size, wrapper_base + WRAPPER_NONPIX_END_ADDR);
> > 
> >         if (IS_V6(core)) {
> >                 /* Bring XTSS out of reset */
> > --
> > 2.39.1
> 
> Thanks,
> Vikash