linux-kernel - Re: [PATCH 31/33] iris: variant: iris: implement the logic to compute bus bandwidth

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Date:   Tue, 15 Aug 2023 00:51:22 +0530
From:   Dikshita Agarwal <quic_dikshita@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        <stanimir.k.varbanov@...il.com>, <agross@...nel.org>,
        <andersson@...nel.org>, <mchehab@...nel.org>,
        <hans.verkuil@...co.com>, <linux-kernel@...r.kernel.org>,
        <linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH 31/33] iris: variant: iris: implement the logic to compute
 bus bandwidth



On 7/28/2023 11:39 PM, Konrad Dybcio wrote:
> On 28.07.2023 15:23, Vikash Garodia wrote:
>> From: Dikshita Agarwal <quic_dikshita@...cinc.com>
>>
>> This implements the logic to compute bus bandwidth required by encoder
>> or decoder for a specific usecase. It takes input as various video
>> usecase parameters as configured by clients.
>>
>> Signed-off-by: Dikshita Agarwal <quic_dikshita@...cinc.com>
>> Signed-off-by: Vikash Garodia <quic_vgarodia@...cinc.com>
>> ---
> [...]
> 
>> +/* 100x */
>> +static u32 dpbopb_ubwc30_cr_table_cratio_iris3[7][12] = {
> const?
> 
> [...]
> 
>> +
>> +	llc_enabled_ref_y_rd = (codec_input.status_llc_onoff) ? 1 : 0;
>> +	llc_enable_ref_crcb_rd = (codec_input.status_llc_onoff) ? 1 : 0;
>> +	/* H265D BSE tlb in LLC will be pored in Kailua */
> ?
> 
>> +	llc_enabled_bse_tlb = (codec_input.status_llc_onoff) ? 1 : 0;
> "? 1 : 0" is fancy bool conversion (!!x)
> 
Hi Konrad,

we will remove this bus calculation logic and move to static bus bandwidth
table in next version so this file will be removed.

Thanks,
Dikshita
> Konrad