[PATCH v2] drm/panel: Select DRM_DP_HELPER for DRM_PANEL_EDP

[Geert Uytterhoeven]

Hi Thomas,

On Mon, Feb 7, 2022 at 12:31 PM Thomas Zimmermann <tzimmermann at suse.de> wrote:
> As reported in [1], DRM_PANEL_EDP depends on DRM_DP_HELPER. Select
> the option to fix the build failure. The error message is shown
> below.
>
>   arm-linux-gnueabihf-ld: drivers/gpu/drm/panel/panel-edp.o: in function
>     `panel_edp_probe': panel-edp.c:(.text+0xb74): undefined reference to
>     `drm_panel_dp_aux_backlight'
>   make[1]: *** [/builds/linux/Makefile:1222: vmlinux] Error 1
>
> The issue has been reported before, when DisplayPort helpers were
> hidden behind the option CONFIG_DRM_KMS_HELPER. [2]
>
> v2:
>         * fix and expand commit description (Arnd)
>
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>

Thanks for your patch!

This fixes the build errors I'm seeing, so
Tested-by: Geert Uytterhoeven <geert+renesas at glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds