[PATCH 1/7] drm/display: Select DRM_KMS_HELPER for DP helpers

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The DisplayPort helpers rely on some
(__drm_atomic_helper_private_obj_duplicate_state,
drm_kms_helper_hotplug_event) helpers found in files compiled by
DRM_KMS_HELPER.

Prior to commit d674858ff979 ("drm/display: Make all helpers visible and
switch to depends on"), DRM_DISPLAY_DP_HELPER was only selectable so it
wasn't really a big deal. However, since that commit, it's now something
that can be enabled as is, and since there's no expressed dependency
with DRM_KMS_HELPER, it can break too.

Since DRM_KMS_HELPER is a selectable option for now, let's select it for
DRM_DISPLAY_DP_HELPER.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202404021556.0JVcNC13-lkp@xxxxxxxxx/
Closes: https://lore.kernel.org/oe-kbuild-all/202404021700.LbyYZGFd-lkp@xxxxxxxxx/
Fixes: d674858ff979 ("drm/display: Make all helpers visible and switch to depends on")
Signed-off-by: Maxime Ripard <mripard@xxxxxxxxxx>
---
 drivers/gpu/drm/display/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig
index 01f2a231aa5f..a38962a556c2 100644
--- a/drivers/gpu/drm/display/Kconfig
+++ b/drivers/gpu/drm/display/Kconfig
@@ -37,10 +37,11 @@ config DRM_DISPLAY_DP_AUX_CHARDEV
 	  channel.
 
 config DRM_DISPLAY_DP_HELPER
 	bool "DRM DisplayPort Helpers"
 	depends on DRM_DISPLAY_HELPER
+	select DRM_KMS_HELPER
 	default y
 	help
 	  DRM display helpers for DisplayPort.
 
 config DRM_DISPLAY_DP_TUNNEL

-- 
2.44.0




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