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From: Yicong Hui <yiconghui@gmail.com>
To: laurentiu.palcu@oss.nxp.com, l.stach@pengutronix.de,
	maarten.lankhorst@linux.intel.com,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	airlied@gmail.com, alexander.deucher@amd.com
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	skhan@linuxfoundation.org, me@brighamcampbell.com
Subject: Re: [PATCH] drm/imx: Fix three kernel-doc warnings in dcss-scaler.c
Date: Wed, 13 May 2026 19:33:51 +0100	[thread overview]
Message-ID: <2e80f456-a208-4cf7-9ab8-739a8314b275@gmail.com> (raw)
In-Reply-To: <20260406180013.2442096-1-yiconghui@gmail.com>

On 06/04/2026 7:00 pm, Yicong Hui wrote:
> Fix the following W=1 kerneldoc warnings by adding the missing parameter
> descriptions for @phase0_identity and @nn_interpolation in
> dcss_scaler_filter_design() and @phase0_identity in
> dcss_scaler_gaussian_filter()
> 
> Warning: drivers/gpu/drm/imx/dcss/dcss-scaler.c:173 function parameter 'phase0_identity' not described in 'dcss_scaler_gaussian_filter'
> Warning: drivers/gpu/drm/imx/dcss/dcss-scaler.c:270 function parameter 'phase0_identity' not described in 'dcss_scaler_filter_design'
> Warning: drivers/gpu/drm/imx/dcss/dcss-scaler.c:270 function parameter 'nn_interpolation' not described in 'dcss_scaler_filter_design'
> 
> Fixes: 9021c317b770 ("drm/imx: Add initial support for DCSS on iMX8MQ")
> Signed-off-by: Yicong Hui <yiconghui@gmail.com>
> ---
>   drivers/gpu/drm/imx/dcss/dcss-scaler.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/imx/dcss/dcss-scaler.c b/drivers/gpu/drm/imx/dcss/dcss-scaler.c
> index 32c3f46b21da..5c7f8d952ec1 100644
> --- a/drivers/gpu/drm/imx/dcss/dcss-scaler.c
> +++ b/drivers/gpu/drm/imx/dcss/dcss-scaler.c
> @@ -166,6 +166,7 @@ static int exp_approx_q(int x)
>    * dcss_scaler_gaussian_filter() - Generate gaussian prototype filter.
>    * @fc_q: fixed-point cutoff frequency normalized to range [0, 1]
>    * @use_5_taps: indicates whether to use 5 taps or 7 taps
> + * @phase0_identity: whether to override phase 0 coefficients with identity filter
>    * @coef: output filter coefficients
>    */
>   static void dcss_scaler_gaussian_filter(int fc_q, bool use_5_taps,
> @@ -262,7 +263,9 @@ static void dcss_scaler_nearest_neighbor_filter(bool use_5_taps,
>    * @src_length: length of input
>    * @dst_length: length of output
>    * @use_5_taps: 0 for 7 taps per phase, 1 for 5 taps
> + * @phase0_identity: whether to override phase 0 coefficients with identity filter
>    * @coef: output coefficients
> + * @nn_interpolation: whether to use nearest neighbor instead of gaussian filter
>    */
>   static void dcss_scaler_filter_design(int src_length, int dst_length,
>   				      bool use_5_taps, bool phase0_identity,

Hello!

Is there any further feedback or progress on this patch?

Thank you!
Yicong

  reply	other threads:[~2026-05-13 18:33 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-06 18:00 Yicong Hui
2026-05-13 18:33 ` Yicong Hui [this message]
2026-05-18 12:05 ` Laurentiu Palcu
2026-06-02  8:15 ` Liu Ying

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