linux-kernel - Re: [PATCH 3/8] drm/panel: boe-tv101wum-nl6: Check for errors on the NOP in prepare()

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Message-ID: <5n7uz7wacuz7cwlv5drr77l27kq7nsw34horh6o5iecrhs2tws@5gvxuusty4rx>
Date: Mon, 20 May 2024 01:26:40 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Douglas Anderson <dianders@...omium.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, 
	Jessica Zhang <quic_jesszhan@...cinc.com>, Sam Ravnborg <sam@...nborg.org>, 
	Linus Walleij <linus.walleij@...aro.org>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Daniel Vetter <daniel@...ll.ch>, 
	David Airlie <airlied@...il.com>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
	Maxime Ripard <mripard@...nel.org>, Shuijing Li <shuijing.li@...iatek.com>, 
	Thomas Zimmermann <tzimmermann@...e.de>, Xinlei Lee <xinlei.lee@...iatek.com>, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/8] drm/panel: boe-tv101wum-nl6: Check for errors on the
 NOP in prepare()

On Fri, May 17, 2024 at 02:36:38PM -0700, Douglas Anderson wrote:
> The mipi_dsi_dcs_nop() function returns an error but we weren't
> checking it in boe_panel_prepare(). Add a check. This is highly
> unlikely to matter in practice. If the NOP failed then likely later
> MIPI commands would fail too.
> 
> Found by code inspection.
> 
> Fixes: 812562b8d881 ("drm/panel: boe-tv101wum-nl6: Fine tune the panel power sequence")
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>

-- 
With best wishes
Dmitry