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drm/bridge: it6505: Fix build error 

If DRM_ITE_IT6505 is y but DRM_DP_HELPER is m, building failed:

drivers/gpu/drm/bridge/ite-it6505.o: In function `it6505_i2c_remove':
ite-it6505.c:(.text+0x35c): undefined reference to `drm_dp_aux_unregister'
drivers/gpu/drm/bridge/ite-it6505.o: In function `it6505_dpcd_read':
ite-it6505.c:(.text+0x420): undefined reference to `drm_dp_dpcd_read'
drivers/gpu/drm/bridge/ite-it6505.o: In function `it6505_get_dpcd':
ite-it6505.c:(.text+0x4a4): undefined reference to `drm_dp_dpcd_read'
drivers/gpu/drm/bridge/ite-it6505.o: In function `it6505_dpcd_write':
ite-it6505.c:(.text+0x52c): undefined reference to `drm_dp_dpcd_write'

Select DRM_DP_HELPER for DRM_ITE_IT6505 to fix this.

Fixes: b5c84a9edc ("drm/bridge: add it6505 driver")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220317094724.25972-1-yuehaibing@huawei.com
This commit is contained in:
YueHaibing 2022-03-17 17:47:24 +08:00 committed by Robert Foss
parent 8938d48451
commit 3dd4834a6e
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GPG Key ID: 3EFD900F76D1D784
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/bridge/Kconfig
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@ -78,6 +78,7 @@ config DRM_DISPLAY_CONNECTOR
config DRM_ITE_IT6505
tristate "ITE IT6505 DisplayPort bridge"
depends on OF
select DRM_DP_HELPER
select DRM_KMS_HELPER
select EXTCON
help