linux-kernel - Re: [PATCH] soc: qcom: llcc: Fix slice configuration values for SC8280XP

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Date:   Thu, 26 Jan 2023 20:50:34 +0200
From:   Abel Vesa <abel.vesa@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Sai Prakash Ranjan <quic_saipraka@...cinc.com>,
        Johan Hovold <johan@...nel.org>, linux-arm-msm@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] soc: qcom: llcc: Fix slice configuration values for
 SC8280XP

On 23-01-26 18:25:52, Konrad Dybcio wrote:
> 
> 
> On 26.01.2023 18:16, Abel Vesa wrote:
> > The new values have been taken from downstream kernel.
> > 
> > Fixes: ec69dfbdc426 ("soc: qcom: llcc: Add sc8180x and sc8280xp configurations")
> > Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> > ---
> >  drivers/soc/qcom/llcc-qcom.c | 10 +++++-----
> >  1 file changed, 5 insertions(+), 5 deletions(-)
> > 
> > diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c
> > index 23ce2f78c4ed..5702354fb946 100644
> > --- a/drivers/soc/qcom/llcc-qcom.c
> > +++ b/drivers/soc/qcom/llcc-qcom.c
> > @@ -183,17 +183,17 @@ static const struct llcc_slice_config sc8280xp_data[] = {
> >  	{ LLCC_AUDIO,    6,  1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 0, 0, 0 },
> >  	{ LLCC_CMPT,     10, 6144, 1, 1, 0xfff, 0x0, 0, 0, 0, 0, 0, 0 },
> >  	{ LLCC_GPUHTW,   11, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 },
> > -	{ LLCC_GPU,      12, 4096, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 1 },
> > +	{ LLCC_GPU,      12, 4608, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 1 },
> priority (the arg right after 4608) should be 0 per downstream

Actually according to Sai's review [1], I need to revert this part.

> 
> 
> >  	{ LLCC_MMUHWT,   13, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 0, 1, 0 },
> >  	{ LLCC_DISP,     16, 6144, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 },
> >  	{ LLCC_AUDHW,    22, 2048, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 },
> >  	{ LLCC_DRE,      26, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 },
> >  	{ LLCC_CVP,      28, 512,  3, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 },
> >  	{ LLCC_APTCM,    30, 1024, 3, 1, 0x0,   0x1, 1, 0, 0, 1, 0, 0 },
> > -	{ LLCC_WRCACHE,  31, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 0, 1, 0 },
> > -	{ LLCC_CVPFW,    32, 512,  1, 0, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 },
> > -	{ LLCC_CPUSS1,   33, 2048, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 },
> > -	{ LLCC_CPUHWT,   36, 512,  1, 1, 0xfff, 0x0, 0, 0, 0, 0, 1, 0 },
> > +	{ LLCC_WRCACHE,  31, 512, 1, 1, 0xfff, 0x0, 0, 0, 0, 0, 1, 0 },

Same goes for this line above.

> > +	{ LLCC_CVPFW,    17, 512,  1, 0, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 },
> > +	{ LLCC_CPUSS1,   3, 2048, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 },
> > +	{ LLCC_CPUHWT,   5, 512,  1, 1, 0xfff, 0x0, 0, 0, 0, 0, 1, 0 },

As for these 3 slice_ids, I need to doable check.

> CMPT1 (id 34) is still missing.

And Sai also says that CAMEXP0 (the upstream name of CMPT1) needs to be
dropped.

> 
> With that:
> Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> 
> Konrad
> >  };
> >  
> >  static const struct llcc_slice_config sdm845_data[] =  {

[1] https://lore.kernel.org/lkml/8a627cc0-8f9b-0bda-c9b5-6d51a788948a@quicinc.com/