Re: [PATCH -next] drm/panel: Fix build error when CONFIG_DRM_PANEL_SAMSUNG_ATNA33XC20=y && CONFIG_DRM_DISPLAY_HELPER=m

From: Doug Anderson
Date: Mon May 23 2022 - 12:47:58 EST


Hi,

On Mon, May 23, 2022 at 1:58 AM gaochao <gaochao49@xxxxxxxxxx> wrote:
>
> If CONFIG_DRM_PANEL_SAMSUNG_ATNA33XC20=y && CONFIG_DRM_DISPLAY_HELPER=m,
> bulding fails:
>
> drivers/gpu/drm/panel/panel-samsung-atna33xc20.o: In function `atana33xc20_probe':
> panel-samsung-atna33xc20.c:(.text+0x744): undefined reference to
> `drm_panel_dp_aux_backlight'
> make: *** [vmlinux] Error 1
>
> Let CONFIG_DRM_PANEL_SAMSUNG_ATNA33XC20 select DRM_DISPLAY_DP_HELPER and
> CONFIG_DRM_DISPLAY_HELPER to fix this error.
>
> Fixes: 32ce3b320343 ("drm/panel: atna33xc20: Introduce the Samsung ATNA33XC20 panel")
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: gaochao <gaochao49@xxxxxxxxxx>

I think the author / Signed-off-by are supposed to be real names. Is
"gaochao" your legal name?

> ---
> drivers/gpu/drm/panel/Kconfig | 2 ++
> 1 file changed, 2 insertions(+)

Other than the Signed-off-by / Author issue:

Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>