linux/drivers/gpu/drm/mediatek/Kconfig
Arnd Bergmann 924d66011f drm/mediatek: stop selecting foreign drivers
The PHY portion of the mediatek hdmi driver was originally part of
the driver it self and later split out into drivers/phy, which a
'select' to keep the prior behavior.

However, this leads to build failures when the PHY driver cannot
be built:

WARNING: unmet direct dependencies detected for PHY_MTK_HDMI
  Depends on [n]: (ARCH_MEDIATEK || COMPILE_TEST [=y]) && COMMON_CLK [=y] && OF [=y] && REGULATOR [=n]
  Selected by [m]:
  - DRM_MEDIATEK_HDMI [=m] && HAS_IOMEM [=y] && DRM [=m] && DRM_MEDIATEK [=m]
ERROR: modpost: "devm_regulator_register" [drivers/phy/mediatek/phy-mtk-hdmi-drv.ko] undefined!
ERROR: modpost: "rdev_get_drvdata" [drivers/phy/mediatek/phy-mtk-hdmi-drv.ko] undefined!

The best option here is to just not select the phy driver and leave that
up to the defconfig. Do the same for the other PHY and memory drivers
selected here as well for consistency.

Fixes: a481bf2f0c ("drm/mediatek: Separate mtk_hdmi_phy to an independent module")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20241218085837.2670434-1-arnd@kernel.org/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2024-12-25 15:29:57 +00:00

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# SPDX-License-Identifier: GPL-2.0-only
config DRM_MEDIATEK
tristate "DRM Support for Mediatek SoCs"
depends on DRM
depends on ARCH_MEDIATEK || COMPILE_TEST
depends on COMMON_CLK
depends on HAVE_ARM_SMCCC || COMPILE_TEST
depends on OF
depends on MTK_MMSYS
select DRM_CLIENT_SELECTION
select DRM_GEM_DMA_HELPER if DRM_FBDEV_EMULATION
select DRM_KMS_HELPER
select DRM_DISPLAY_HELPER
select DRM_BRIDGE_CONNECTOR
select DRM_MIPI_DSI
select DRM_PANEL
select VIDEOMODE_HELPERS
help
Choose this option if you have a Mediatek SoCs.
The module will be called mediatek-drm
This driver provides kernel mode setting and
buffer management to userspace.
config DRM_MEDIATEK_DP
tristate "DRM DPTX Support for MediaTek SoCs"
depends on DRM_MEDIATEK
select DRM_DISPLAY_HELPER
select DRM_DISPLAY_DP_HELPER
select DRM_DISPLAY_DP_AUX_BUS
help
DRM/KMS Display Port driver for MediaTek SoCs.
config DRM_MEDIATEK_HDMI
tristate "DRM HDMI Support for Mediatek SoCs"
depends on DRM_MEDIATEK
select SND_SOC_HDMI_CODEC if SND_SOC
help
DRM/KMS HDMI driver for Mediatek SoCs