linux-kernel - Re: [PATCH] drm/panel: raydium-rm67200: Add missing drm_display

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Message-ID: <2f317041-bdab-4cc1-a45e-952c97398687@linaro.org>
Date: Mon, 30 Jun 2025 17:32:45 +0200
From: neil.armstrong@...aro.org
To: Andy Yan <andyshrk@....com>
Cc: quic_jesszhan@...cinc.com, mripard@...nel.org, simona@...ll.ch,
 tzimmermann@...e.de, dri-devel@...ts.freedesktop.org,
 linux-kernel@...r.kernel.org, Andy Yan <andy.yan@...k-chips.com>
Subject: Re: [PATCH] drm/panel: raydium-rm67200: Add missing drm_display_mode
 flags

On 18/06/2025 10:09, Andy Yan wrote:
> From: Andy Yan <andy.yan@...k-chips.com>
> 
> Add missing drm_display_mode DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC
> flags. Those are used by various bridges(e.g. dw-mipi-dsi) in the
> pipeline to correctly configure its sync signals polarity.
> 
> Tested on rk3568/rk3576/rk3588 EVB.
> 
> Signed-off-by: Andy Yan <andy.yan@...k-chips.com>
> ---
> 
>   drivers/gpu/drm/panel/panel-raydium-rm67200.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-raydium-rm67200.c b/drivers/gpu/drm/panel/panel-raydium-rm67200.c
> index add6099ae8a64..92c3e20b903f0 100644
> --- a/drivers/gpu/drm/panel/panel-raydium-rm67200.c
> +++ b/drivers/gpu/drm/panel/panel-raydium-rm67200.c
> @@ -478,6 +478,7 @@ static const struct raydium_rm67200_panel_info w552793baa_info = {
>   		.vtotal = 1952,
>   		.width_mm = 68, /* 68.04mm */
>   		.height_mm = 121, /* 120.96mm */
> +		.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
>   		.type = DRM_MODE_TYPE_DRIVER,
>   	},
>   	.regulators = w552793baa_regulators,

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>