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Message-ID: <ZekEVT_HNmZbFWNG@localhost.localdomain>
Date: Thu, 7 Mar 2024 01:03:33 +0100
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: Arthur Grillo <arthurgrillo@...eup.net>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>,
	Melissa Wen <melissa.srw@...il.com>,
	Maíra Canal <mairacanal@...eup.net>,
	Haneen Mohammed <hamohammed.sa@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>, Jonathan Corbet <corbet@....net>,
	pekka.paalanen@...oniitty.fi, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org, jeremie.dautheribes@...tlin.com,
	miquel.raynal@...tlin.com, thomas.petazzoni@...tlin.com,
	seanpaul@...gle.com, marcheu@...gle.com, nicolejadeyee@...gle.com
Subject: Re: [PATCH 4/7] drm/vkms: Fix compilation issues

Le 06/03/24 - 17:03, Arthur Grillo a écrit :
> Signed-off-by: Arthur Grillo <arthurgrillo@...eup.net>
> ---
>  drivers/gpu/drm/vkms/tests/vkms_format_test.c | 2 +-
>  drivers/gpu/drm/vkms/vkms_drv.h               | 4 ++++
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/vkms/tests/vkms_format_test.c b/drivers/gpu/drm/vkms/tests/vkms_format_test.c
> index 4636b013602f..3522ecee960f 100644
> --- a/drivers/gpu/drm/vkms/tests/vkms_format_test.c
> +++ b/drivers/gpu/drm/vkms/tests/vkms_format_test.c
> @@ -113,7 +113,7 @@ static void vkms_format_test_yuv_u8_to_argb_u16(struct kunit *test)
>  	for (size_t i = 0; i < param->n_colors; i++) {
>  		const struct format_pair *color = &param->colors[i];
>  
> -		const struct conversion_matrix *matrix = get_conversion_matrix_to_argb_u16
> +		struct conversion_matrix *matrix = get_conversion_matrix_to_argb_u16
>  			(DRM_FORMAT_NV12, param->encoding, param->range);
>  
>  		argb = argb_u16_from_yuv888(color->yuv.y, color->yuv.u, color->yuv.v, matrix);
> diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
> index 393b76e7c694..3d62578499ab 100644
> --- a/drivers/gpu/drm/vkms/vkms_drv.h
> +++ b/drivers/gpu/drm/vkms/vkms_drv.h
> @@ -47,6 +47,10 @@ struct pixel_argb_u16 {
>  	u16 a, r, g, b;
>  };
>  
> +struct pixel_yuv_u8 {
> +	u8 y, u, v;
> +};

Can I move this structure in the test itself? As discussed with Pekka, I 
think it's not a good idea to have such specific `pixel_{fmt}_{size}` for 
each variant. Leaving it in vkms_drv.h give the idea of "for each new kind 
of format we have to create a new structure".

> +
>  struct line_buffer {
>  	size_t n_pixels;
>  	struct pixel_argb_u16 *pixels;
> 
> -- 
> 2.43.0
> 

-- 
Louis Chauvet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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