linux-kernel - Re: [PATCH v3 5/7] media: qcom: camss: enable vfe 690 for qcs8300

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Message-ID: <0a049417-6545-4cdb-95cb-cf41c810b57c@linaro.org>
Date: Wed, 13 Aug 2025 22:35:23 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Vikram Sharma <quic_vikramsa@...cinc.com>, rfoss@...nel.org,
 todor.too@...il.com, mchehab@...nel.org, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org, andersson@...nel.org,
 konradybcio@...nel.org, hverkuil-cisco@...all.nl,
 cros-qcom-dts-watchers@...omium.org, catalin.marinas@....com, will@...nel.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 5/7] media: qcom: camss: enable vfe 690 for qcs8300

On 13/08/2025 06:37, Vikram Sharma wrote:
> The vfe in qcs8300 is version 690, it is same as vfe used in
> lemans(sa8775p). vfe gen3 have support for vfe 690.
> 
> Signed-off-by: Vikram Sharma <quic_vikramsa@...cinc.com>
> ---
>   drivers/media/platform/qcom/camss/camss-vfe-gen3.c | 3 ++-
>   drivers/media/platform/qcom/camss/camss-vfe.c      | 2 ++
>   2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/camss/camss-vfe-gen3.c b/drivers/media/platform/qcom/camss/camss-vfe-gen3.c
> index f2001140ead1..22579617def7 100644
> --- a/drivers/media/platform/qcom/camss/camss-vfe-gen3.c
> +++ b/drivers/media/platform/qcom/camss/camss-vfe-gen3.c
> @@ -13,7 +13,8 @@
>   #include "camss-vfe.h"
>   
>   #define IS_VFE_690(vfe) \
> -	    (vfe->camss->res->version == CAMSS_8775P)
> +	    ((vfe->camss->res->version == CAMSS_8775P) \
> +	    || (vfe->camss->res->version == CAMSS_8300))

I'd really prefer a patch setting the CSID and VFE versions as 
properties of their respective data-structures.

BUT, again this will do for now.

>   
>   #define BUS_REG_BASE_690 \
>   	    (vfe_is_lite(vfe) ? 0x480 : 0x400)
> diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c
> index 99cbe09343f2..1d40184d7d04 100644
> --- a/drivers/media/platform/qcom/camss/camss-vfe.c
> +++ b/drivers/media/platform/qcom/camss/camss-vfe.c
> @@ -344,6 +344,7 @@ static u32 vfe_src_pad_code(struct vfe_line *line, u32 sink_code,
>   	case CAMSS_8x96:
>   	case CAMSS_8250:
>   	case CAMSS_8280XP:
> +	case CAMSS_8300:
>   	case CAMSS_845:
>   	case CAMSS_8550:
>   	case CAMSS_8775P:
> @@ -1974,6 +1975,7 @@ static int vfe_bpl_align(struct vfe_device *vfe)
>   	case CAMSS_7280:
>   	case CAMSS_8250:
>   	case CAMSS_8280XP:
> +	case CAMSS_8300:
>   	case CAMSS_845:
>   	case CAMSS_8550:
>   	case CAMSS_8775P:

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>