linux-kernel - Re: [PATCH v2 6/6] drm/stm: ltdc: Drop format_mod

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Date:   Wed, 12 Jan 2022 10:44:26 +0100
From:   yannick Fertre <yannick.fertre@...s.st.com>
To:     José Expósito <jose.exposito89@...il.com>,
        <contact@...rsion.fr>
CC:     <dmitry.baryshkov@...aro.org>, <maarten.lankhorst@...ux.intel.com>,
        <mripard@...nel.org>, <tzimmermann@...e.de>, <airlied@...ux.ie>,
        <daniel@...ll.ch>, <jani.nikula@...ux.intel.com>,
        <joonas.lahtinen@...ux.intel.com>, <rodrigo.vivi@...el.com>,
        <marex@...x.de>, <stefan@...er.ch>, <shawnguo@...nel.org>,
        <s.hauer@...gutronix.de>, <kernel@...gutronix.de>,
        <festevam@...il.com>, <linux-imx@....com>,
        <philippe.cornu@...s.st.com>, <benjamin.gaignard@...aro.org>,
        <mcoquelin.stm32@...il.com>, <alexandre.torgue@...s.st.com>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <intel-gfx@...ts.freedesktop.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: Re: [PATCH v2 6/6] drm/stm: ltdc: Drop format_mod_supported function

Hello José,
thanks for your patch.

Reviewed-by: Yannick Fertre <yannick.fertre@...s.st.com>
Tested-by: Yannick Fertre <yannick.fertre@...s.st.com>


On 12/22/21 10:05 AM, José Expósito wrote:
> The "drm_plane_funcs.format_mod_supported" can be removed in favor of
> the default implementation.
> 
> Signed-off-by: José Expósito <jose.exposito89@...il.com>
> ---
>   drivers/gpu/drm/stm/ltdc.c | 11 -----------
>   1 file changed, 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index dbdee954692a..ef909e50f0e4 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -925,16 +925,6 @@ static void ltdc_plane_atomic_print_state(struct drm_printer *p,
>   	fpsi->counter = 0;
>   }
>   
> -static bool ltdc_plane_format_mod_supported(struct drm_plane *plane,
> -					    u32 format,
> -					    u64 modifier)
> -{
> -	if (modifier == DRM_FORMAT_MOD_LINEAR)
> -		return true;
> -
> -	return false;
> -}
> -
>   static const struct drm_plane_funcs ltdc_plane_funcs = {
>   	.update_plane = drm_atomic_helper_update_plane,
>   	.disable_plane = drm_atomic_helper_disable_plane,
> @@ -943,7 +933,6 @@ static const struct drm_plane_funcs ltdc_plane_funcs = {
>   	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
>   	.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
>   	.atomic_print_state = ltdc_plane_atomic_print_state,
> -	.format_mod_supported = ltdc_plane_format_mod_supported,
>   };
>   
>   static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
>