linux-kernel - Re: [PATCH 13/13] media: qcom: camss: Add support for VFE hardware version Titan 780

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Message-ID: <c501b813-e78a-4fb0-aa7b-a2fbbb90f10d@linaro.org>
Date: Wed, 21 Aug 2024 14:11:44 +0300
From: Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>
To: Depeng Shao <quic_depengs@...cinc.com>, rfoss@...nel.org,
 todor.too@...il.com, bryan.odonoghue@...aro.org, mchehab@...nel.org,
 robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org
Cc: linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 kernel@...cinc.com, Yongsheng Li <quic_yon@...cinc.com>
Subject: Re: [PATCH 13/13] media: qcom: camss: Add support for VFE hardware
 version Titan 780

On 8/12/24 17:41, Depeng Shao wrote:
> Add support for VFE found on SM8550 (Titan 780). This implementation is
> based on the titan 480 implementation. It supports the normal and lite
> VFE.
> 
> Co-developed-by: Yongsheng Li <quic_yon@...cinc.com>
> Signed-off-by: Yongsheng Li <quic_yon@...cinc.com>
> Signed-off-by: Depeng Shao <quic_depengs@...cinc.com>
> ---

<snip>

> +
> +static void vfe_reg_update(struct vfe_device *vfe, enum vfe_line_id line_id)
> +{
> +	int port_id = line_id;
> +
> +	/* RUP(register update) registers has beem moved to CSID in Titan 780.
> +	 * Notify the event of trigger RUP.
> +	 */
> +	camss_reg_update(vfe->camss, vfe->id, port_id, false);
> +}
> +
> +static inline void vfe_reg_update_clear(struct vfe_device *vfe,
> +					enum vfe_line_id line_id)
> +{
> +	int port_id = line_id;

Once I said that the comment with a typo can be removed from these two
functions, however the functions can be removed, since they are trivial,
use camss_reg_update(vfe->camss, vfe->id, port_id, ...) directly in the code.

> +
> +	/* RUP(register update) registers has beem moved to CSID in Titan 780.
> +	 * Notify the event of trigger RUP clear.
> +	 */
> +	camss_reg_update(vfe->camss, vfe->id, port_id, true);
> +}
> +


--
Best wishes,
Vladimir