linux-kernel - Re: [PATCH] media: verisilicon: AV1: Correct some registers fields size or position

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Date: Fri, 31 May 2024 15:18:26 +0200
From: Benjamin Gaignard <benjamin.gaignard@...labora.com>
To: Nicolas Dufresne <nicolas.dufresne@...labora.com>,
 ezequiel@...guardiasur.com.ar, p.zabel@...gutronix.de, mchehab@...nel.org,
 heiko@...ech.de
Cc: linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 kernel@...labora.com
Subject: Re: [PATCH] media: verisilicon: AV1: Correct some registers fields
 size or position


Le 31/05/2024 à 14:48, Nicolas Dufresne a écrit :
> Le mardi 21 mai 2024 à 17:26 +0200, Benjamin Gaignard a écrit :
>> Some fields aren't well positionned or with incorrect size inside the
>> hardware registers. Fix them.
>>
>> That doesn't impact Fluster score test.
> Does it impact any known streams though ? (just for a sake of documentation, not
> really a problem with your change).

I have see no impact with the files we currently use or test with fluster.

>
>> Fixes: 727a400686a2 ("media: verisilicon: Add Rockchip AV1 decoder")
>> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
> Reviewed-by: Nicolas Dufresne <nicolas.dufresne@...labora.com>
>
>> ---
>>   .../media/platform/verisilicon/rockchip_vpu981_regs.h  | 10 +++++-----
>>   1 file changed, 5 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/media/platform/verisilicon/rockchip_vpu981_regs.h b/drivers/media/platform/verisilicon/rockchip_vpu981_regs.h
>> index 182e6c830ff6..990f8e69524a 100644
>> --- a/drivers/media/platform/verisilicon/rockchip_vpu981_regs.h
>> +++ b/drivers/media/platform/verisilicon/rockchip_vpu981_regs.h
>> @@ -327,7 +327,7 @@
>>   
>>   #define av1_apf_threshold		AV1_DEC_REG(55, 0, 0xffff)
>>   #define av1_apf_single_pu_mode		AV1_DEC_REG(55, 30, 0x1)
>> -#define av1_apf_disable			AV1_DEC_REG(55, 30, 0x1)
>> +#define av1_apf_disable			AV1_DEC_REG(55, 31, 0x1)
>>   
>>   #define av1_dec_max_burst		AV1_DEC_REG(58, 0, 0xff)
>>   #define av1_dec_buswidth		AV1_DEC_REG(58, 8, 0x7)
>> @@ -337,10 +337,10 @@
>>   #define av1_dec_mc_polltime		AV1_DEC_REG(58, 17, 0x3ff)
>>   #define av1_dec_mc_pollmode		AV1_DEC_REG(58,	27, 0x3)
>>   
>> -#define av1_filt_ref_adj_3		AV1_DEC_REG(59, 0, 0x3f)
>> -#define av1_filt_ref_adj_2		AV1_DEC_REG(59, 7, 0x3f)
>> -#define av1_filt_ref_adj_1		AV1_DEC_REG(59, 14, 0x3f)
>> -#define av1_filt_ref_adj_0		AV1_DEC_REG(59, 21, 0x3f)
>> +#define av1_filt_ref_adj_3		AV1_DEC_REG(59, 0, 0x7f)
>> +#define av1_filt_ref_adj_2		AV1_DEC_REG(59, 7, 0x7f)
>> +#define av1_filt_ref_adj_1		AV1_DEC_REG(59, 14, 0x7f)
>> +#define av1_filt_ref_adj_0		AV1_DEC_REG(59, 21, 0x7f)
>>   #define av1_ref0_sign_bias		AV1_DEC_REG(59, 28, 0x1)
>>   #define av1_ref1_sign_bias		AV1_DEC_REG(59, 29, 0x1)
>>   #define av1_ref2_sign_bias		AV1_DEC_REG(59, 30, 0x1)
>