From a1865d3b98c97d25cbfbba4318180f5cfe8ec22d Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 19 Jul 2023 15:09:21 +0200 Subject: [PATCH] drm/panel: r66451: select CONFIG_DRM_DISPLAY_DP_HELPER The newly added driver only builds when DRM_DISPLAY_DP_HELPER is enabled: x86_64-linux-ld: drivers/gpu/drm/panel/panel-visionox-r66451.o: in function `visionox_r66451_enable': panel-visionox-r66451.c:(.text+0x105): undefined reference to `drm_dsc_pps_payload_pack' Select both CONFIG_DRM_DISPLAY_DP_HELPER and CONFIG_DRM_DISPLAY_HELPER to ensure the helper function is always available. Fixes: a6dfab2738fc ("drm/panel: Add driver for Visionox r66451 panel") Signed-off-by: Arnd Bergmann Reviewed-by: Jessica Zhang Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/20230719130940.659837-1-arnd@kernel.org --- drivers/gpu/drm/panel/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 05f9e80..b097b25 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -799,6 +799,8 @@ config DRM_PANEL_VISIONOX_R66451 depends on OF depends on DRM_MIPI_DSI depends on BACKLIGHT_CLASS_DEVICE + select DRM_DISPLAY_DP_HELPER + select DRM_DISPLAY_HELPER help Say Y here if you want to enable support for Visionox R66451 1080x2340 AMOLED DSI panel. -- 2.7.4