[PATCH 7/8] drm/panel: himax-hx83102: Check for errors on the NOP in prepare()

[Dmitry Baryshkov]

On Fri, May 17, 2024 at 02:36:42PM -0700, Douglas Anderson wrote:
> The mipi_dsi_dcs_nop() function returns an error but we weren't
> checking it in hx83102_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: 0ef94554dc40 ("drm/panel: himax-hx83102: Break out as separate driver")
> Signed-off-by: Douglas Anderson <dianders at chromium.org>
> ---
> 
>  drivers/gpu/drm/panel/panel-himax-hx83102.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>

-- 
With best wishes
Dmitry