linux-kernel - Re: [PATCH v2 29/41] drm/vc4: vec: Switch for common modes

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Date:   Tue, 30 Aug 2022 20:36:52 +0200
From:   Noralf Trønnes <noralf@...nnes.org>
To:     Maxime Ripard <maxime@...no.tech>,
        Maxime Ripard <mripard@...nel.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Lyude Paul <lyude@...hat.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Karol Herbst <kherbst@...hat.com>,
        Emma Anholt <emma@...olt.net>, Daniel Vetter <daniel@...ll.ch>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        linux-arm-kernel@...ts.infradead.org,
        Phil Elwell <phil@...pberrypi.com>,
        intel-gfx@...ts.freedesktop.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        dri-devel@...ts.freedesktop.org, Dom Cobley <dom@...pberrypi.com>,
        linux-kernel@...r.kernel.org, nouveau@...ts.freedesktop.org,
        linux-sunxi@...ts.linux.dev,
        Mateusz Kwiatkowski <kfyatek+publicgit@...il.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Noralf Trønnes <noralf@...nnes.org>
Subject: Re: [PATCH v2 29/41] drm/vc4: vec: Switch for common modes



Den 29.08.2022 15.11, skrev Maxime Ripard:
> Now that the core has a definition for the 525 and 625 lines analog TV
> 
> modes, let's switch to it for vc4.
> 
> 
> 
> Signed-off-by: Maxime Ripard <maxime@...no.tech>
> 
> 
> 
> diff --git a/drivers/gpu/drm/vc4/vc4_vec.c b/drivers/gpu/drm/vc4/vc4_vec.c
> 
> index d1d40b69279e..63e4e617e321 100644
> 
> --- a/drivers/gpu/drm/vc4/vc4_vec.c
> 
> +++ b/drivers/gpu/drm/vc4/vc4_vec.c
> 
> @@ -224,38 +224,24 @@ static const struct debugfs_reg32 vec_regs[] = {
> 
>  	VC4_REG32(VEC_DAC_MISC),
> 
>  };
> 
>  
> 
> -static const struct drm_display_mode ntsc_mode = {
> 
> -	DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 13500,
> 
> -		 720, 720 + 14, 720 + 14 + 64, 720 + 14 + 64 + 60, 0,
> 
> -		 480, 480 + 7, 480 + 7 + 6, 525, 0,
> 
> -		 DRM_MODE_FLAG_INTERLACE)
> 
> -};
> 
> -
> 
> -static const struct drm_display_mode pal_mode = {
> 
> -	DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 13500,
> 
> -		 720, 720 + 20, 720 + 20 + 64, 720 + 20 + 64 + 60, 0,
> 
> -		 576, 576 + 4, 576 + 4 + 6, 625, 0,
> 
> -		 DRM_MODE_FLAG_INTERLACE)
> 
> -};
> 
> -
> 
>  static const struct vc4_vec_tv_mode vc4_vec_tv_modes[] = {
> 
>  	[VC4_VEC_TV_MODE_NTSC] = {
> 
> -		.mode = &ntsc_mode,
> 
> +		.mode = &drm_mode_480i,
> 

I can't find drm_mode_480i anywhere, maybe the compiler doesn't complain
since you remove the reference in a later patch?

Noralf.

>  		.config0 = VEC_CONFIG0_NTSC_STD | VEC_CONFIG0_PDEN,
> 
>  		.config1 = VEC_CONFIG1_C_CVBS_CVBS,
> 
>  	},
> 
>  	[VC4_VEC_TV_MODE_NTSC_J] = {
> 
> -		.mode = &ntsc_mode,
> 
> +		.mode = &drm_mode_480i,
> 
>  		.config0 = VEC_CONFIG0_NTSC_STD,
> 
>  		.config1 = VEC_CONFIG1_C_CVBS_CVBS,
> 
>  	},
> 
>  	[VC4_VEC_TV_MODE_PAL] = {
> 
> -		.mode = &pal_mode,
> 
> +		.mode = &drm_mode_576i,
> 
>  		.config0 = VEC_CONFIG0_PAL_BDGHI_STD,
> 
>  		.config1 = VEC_CONFIG1_C_CVBS_CVBS,
> 
>  	},
> 
>  	[VC4_VEC_TV_MODE_PAL_M] = {
> 
> -		.mode = &pal_mode,
> 
> +		.mode = &drm_mode_576i,
> 
>  		.config0 = VEC_CONFIG0_PAL_BDGHI_STD,
> 
>  		.config1 = VEC_CONFIG1_C_CVBS_CVBS | VEC_CONFIG1_CUSTOM_FREQ,
> 
>  		.custom_freq = 0x223b61d1,
> 
> 
>