linux-kernel - [PATCH 1/7] drm/display: Select DRM_KMS

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Message-Id: <20240403-fix-dw-hdmi-kconfig-v1-1-afbc4a835c38@kernel.org>
Date: Wed, 03 Apr 2024 12:56:19 +0200
From: Maxime Ripard <mripard@...nel.org>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, 
 Daniel Vetter <daniel@...ll.ch>, Jani Nikula <jani.nikula@...el.com>, 
 Andrzej Hajda <andrzej.hajda@...el.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Javier Martinez Canillas <javierm@...hat.com>, 
 Russell King <linux@...linux.org.uk>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Chen-Yu Tsai <wens@...e.org>, 
 Samuel Holland <samuel@...lland.org>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: Mark Brown <broonie@...nel.org>, 
 Alexander Stein <alexander.stein@...tq-group.com>, 
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, imx@...ts.linux.dev, 
 linux-sunxi@...ts.linux.dev, linux-mips@...r.kernel.org, 
 Maxime Ripard <mripard@...nel.org>, kernel test robot <lkp@...el.com>
Subject: [PATCH 1/7] drm/display: Select DRM_KMS_HELPER for DP helpers

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@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202404021556.0JVcNC13-lkp@intel.com/
Closes: https://lore.kernel.org/oe-kbuild-all/202404021700.LbyYZGFd-lkp@intel.com/
Fixes: d674858ff979 ("drm/display: Make all helpers visible and switch to depends on")
Signed-off-by: Maxime Ripard <mripard@...nel.org>
---
 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