Re: [PATCH v2 7/8] drm/display: Move HDMI helpers into display-helper module

Hello Thomas,

On 4/20/22 13:08, Thomas Zimmermann wrote:

[snip]

--- a/drivers/gpu/drm/bridge/synopsys/Kconfig +++ b/drivers/gpu/drm/bridge/synopsys/Kconfig @@ -1,6 +1,8 @@ # SPDX-License-Identifier: GPL-2.0-only config DRM_DW_HDMI tristate

• select DRM_DISPLAY_HDMI_HELPER
• select DRM_DISPLAY_HELPER select DRM_KMS_HELPER select REGMAP_MMIO select CEC_CORE if CEC_NOTIFIER

[snip]

+config DRM_DISPLAY_HDMI_HELPER

• bool
• select DRM_DISPLAY_HELPER
• help

•  DRM display helpers for HDMI.
  

Maybe you mentioned already when we discussed it in v1, but could you please remember me why we need to select both symbols for the drivers, even when DRM_DISPLAY_HELPER is already selected here ?

Or are select operations not transitive ?