linux-kernel - Re: [PATCH 2/2] drm/panel: samsung-s6d7aa0: drop DRM_BUS_FLAG_DE

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Date: Tue, 2 Jan 2024 12:58:30 -0800
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Artur Weber <aweber.kernel@...il.com>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Neil Armstrong
	<neil.armstrong@...aro.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Maarten
 Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard
	<mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie
	<airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>
CC: <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-samsung-soc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH 2/2] drm/panel: samsung-s6d7aa0: drop DRM_BUS_FLAG_DE_HIGH
 for lsl080al02



On 1/1/2024 1:00 PM, Artur Weber wrote:
> It turns out that I had misconfigured the device I was using the panel
> with; the bus data polarity is not high for this panel, I had to change
> the config on the display controller's side.
> 
> Fix the panel config to properly reflect its accurate settings.
> 
> Signed-off-by: Artur Weber <aweber.kernel@...il.com>

Hi Artur,

With Henrik's suggestion to add the Fixes tag,

Reviewed-by: Jessica Zhang <quic_jesszhan@...cinc.com>

Thanks,

Jessica Zhang

> ---
>   drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c
> index ea5a85779382..f23d8832a1ad 100644
> --- a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c
> +++ b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c
> @@ -309,7 +309,7 @@ static const struct s6d7aa0_panel_desc s6d7aa0_lsl080al02_desc = {
>   	.off_func = s6d7aa0_lsl080al02_off,
>   	.drm_mode = &s6d7aa0_lsl080al02_mode,
>   	.mode_flags = MIPI_DSI_MODE_VSYNC_FLUSH | MIPI_DSI_MODE_VIDEO_NO_HFP,
> -	.bus_flags = DRM_BUS_FLAG_DE_HIGH,
> +	.bus_flags = 0,
>   
>   	.has_backlight = false,
>   	.use_passwd3 = false,
> 
> -- 
> 2.43.0
>