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drm/panel: Fix build error when CONFIG_DRM_PANEL_SAMSUNG_ATNA33XC20=y && CONFIG_DRM_DISPLAY_HELPER=m

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[ Upstream commit a67664860f ]

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: 32ce3b3203 ("drm/panel: atna33xc20: Introduce the Samsung ATNA33XC20 panel")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Gao Chao <gaochao49@huawei.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220524024551.539-1-gaochao49@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Gao Chao 2022-05-24 10:45:51 +08:00 committed by Greg Kroah-Hartman
parent 9255a2b6d7
commit 2d5e9bce99
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/panel/Kconfig
View file

@ -438,6 +438,8 @@ config DRM_PANEL_SAMSUNG_ATNA33XC20
depends on OF
depends on BACKLIGHT_CLASS_DEVICE
depends on PM
select DRM_DISPLAY_DP_HELPER
select DRM_DISPLAY_HELPER
select DRM_DP_AUX_BUS
help
DRM panel driver for the Samsung ATNA33XC20 panel. This panel can't