drm/bridge-connector: move to DRM_DISPLAY_HELPER module

drm_bridge_connector is a "leaf" driver, belonging to the display helper, rather than the "CRTC" drm_kms_helper module. Move the driver to the drm/display and add necessary Kconfig selection clauses. Suggested-by: Maxime Ripard <mripard@kernel.org> Acked-by: Maxime Ripard <mripard@kernel.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240903-drm-bridge-connector-fix-hdmi-reset-v5-2-daebde6d9857@linaro.org Signed-off-by: Maxime Ripard <mripard@kernel.org>
mariux64 · Sep 3, 2024 · 9da7ec9 · 9da7ec9
1 parent 466cb3c
commit 9da7ec9
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Showing 21 changed files with 38 additions and 2 deletions.
diff --git a/MAINTAINERS b/MAINTAINERS
@@ -7452,8 +7452,8 @@ S:	Maintained
 T:	git https://gitlab.freedesktop.org/drm/misc/kernel.git
 F:	Documentation/devicetree/bindings/display/bridge/
 F:	drivers/gpu/drm/bridge/
+F:	drivers/gpu/drm/display/drm_bridge_connector.c
 F:	drivers/gpu/drm/drm_bridge.c
-F:	drivers/gpu/drm/drm_bridge_connector.c
 F:	include/drm/drm_bridge.h
 F:	include/drm/drm_bridge_connector.h
 

diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
@@ -128,7 +128,6 @@ obj-$(CONFIG_DRM_TTM_HELPER) += drm_ttm_helper.o
 drm_kms_helper-y := \
 	drm_atomic_helper.o \
 	drm_atomic_state_helper.o \
-	drm_bridge_connector.o \
 	drm_crtc_helper.o \
 	drm_damage_helper.o \
 	drm_encoder_slave.o \

diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
@@ -390,6 +390,7 @@ config DRM_TI_SN65DSI86
 	depends on OF
 	select DRM_DISPLAY_DP_HELPER
 	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_KMS_HELPER
 	select REGMAP_I2C
 	select DRM_PANEL

diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig
@@ -13,6 +13,11 @@ config DRM_DISPLAY_HELPER
 
 if DRM_DISPLAY_HELPER
 
+config DRM_BRIDGE_CONNECTOR
+	bool
+	help
+	  DRM connector implementation terminating DRM bridge chains.
+
 config DRM_DISPLAY_DP_AUX_CEC
 	bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
 	select DRM_DISPLAY_DP_HELPER

diff --git a/drivers/gpu/drm/display/Makefile b/drivers/gpu/drm/display/Makefile
@@ -3,6 +3,8 @@
 obj-$(CONFIG_DRM_DISPLAY_DP_AUX_BUS) += drm_dp_aux_bus.o
 
 drm_display_helper-y := drm_display_helper_mod.o
+drm_display_helper-$(CONFIG_DRM_BRIDGE_CONNECTOR) += \
+	drm_bridge_connector.o
 drm_display_helper-$(CONFIG_DRM_DISPLAY_DP_HELPER) += \
 	drm_dp_dual_mode_helper.o \
 	drm_dp_helper.o \

diff --git a/drivers/gpu/drm/drm_bridge_connector.c → ...rs/gpu/drm/display/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c → ...rs/gpu/drm/display/drm_bridge_connector.c
diff --git a/drivers/gpu/drm/imx/dcss/Kconfig b/drivers/gpu/drm/imx/dcss/Kconfig
@@ -2,6 +2,8 @@ config DRM_IMX_DCSS
 	tristate "i.MX8MQ DCSS"
 	select IMX_IRQSTEER
 	select DRM_KMS_HELPER
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_GEM_DMA_HELPER
 	select VIDEOMODE_HELPERS
 	depends on DRM && ARCH_MXC && ARM64

diff --git a/drivers/gpu/drm/imx/lcdc/Kconfig b/drivers/gpu/drm/imx/lcdc/Kconfig
@@ -3,5 +3,7 @@ config DRM_IMX_LCDC
       depends on DRM && (ARCH_MXC || COMPILE_TEST)
       select DRM_GEM_DMA_HELPER
       select DRM_KMS_HELPER
+      select DRM_DISPLAY_HELPER
+      select DRM_BRIDGE_CONNECTOR
       help
         Found on i.MX1, i.MX21, i.MX25 and i.MX27.
diff --git a/drivers/gpu/drm/ingenic/Kconfig b/drivers/gpu/drm/ingenic/Kconfig
@@ -8,6 +8,8 @@ config DRM_INGENIC
 	select DRM_BRIDGE
 	select DRM_PANEL_BRIDGE
 	select DRM_KMS_HELPER
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_GEM_DMA_HELPER
 	select REGMAP
 	select REGMAP_MMIO

diff --git a/drivers/gpu/drm/kmb/Kconfig b/drivers/gpu/drm/kmb/Kconfig
@@ -3,6 +3,8 @@ config DRM_KMB_DISPLAY
 	depends on DRM
 	depends on ARCH_KEEMBAY || COMPILE_TEST
 	select DRM_KMS_HELPER
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_GEM_DMA_HELPER
 	select DRM_MIPI_DSI
 	help

diff --git a/drivers/gpu/drm/mediatek/Kconfig b/drivers/gpu/drm/mediatek/Kconfig
@@ -9,6 +9,8 @@ config DRM_MEDIATEK
 	depends on MTK_MMSYS
 	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 MEMORY

diff --git a/drivers/gpu/drm/meson/Kconfig b/drivers/gpu/drm/meson/Kconfig
@@ -4,6 +4,8 @@ config DRM_MESON
 	depends on DRM && OF && (ARM || ARM64)
 	depends on ARCH_MESON || COMPILE_TEST
 	select DRM_KMS_HELPER
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_GEM_DMA_HELPER
 	select DRM_DISPLAY_CONNECTOR
 	select VIDEOMODE_HELPERS

diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
@@ -17,6 +17,7 @@ config DRM_MSM
 	select DRM_DISPLAY_DP_AUX_BUS
 	select DRM_DISPLAY_DP_HELPER
 	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_EXEC
 	select DRM_KMS_HELPER
 	select DRM_PANEL

diff --git a/drivers/gpu/drm/omapdrm/Kconfig b/drivers/gpu/drm/omapdrm/Kconfig
@@ -5,6 +5,8 @@ config DRM_OMAP
 	depends on DRM && OF
 	depends on ARCH_OMAP2PLUS || (COMPILE_TEST && PAGE_SIZE_LESS_THAN_64KB)
 	select DRM_KMS_HELPER
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select FB_DMAMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
 	select VIDEOMODE_HELPERS
 	select HDMI

diff --git a/drivers/gpu/drm/renesas/rcar-du/Kconfig b/drivers/gpu/drm/renesas/rcar-du/Kconfig
@@ -5,6 +5,8 @@ config DRM_RCAR_DU
 	depends on ARM || ARM64 || COMPILE_TEST
 	depends on ARCH_RENESAS || COMPILE_TEST
 	select DRM_KMS_HELPER
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_GEM_DMA_HELPER
 	select VIDEOMODE_HELPERS
 	help

diff --git a/drivers/gpu/drm/renesas/rz-du/Kconfig b/drivers/gpu/drm/renesas/rz-du/Kconfig
@@ -6,6 +6,8 @@ config DRM_RZG2L_DU
 	depends on VIDEO_RENESAS_VSP1
 	select DRM_GEM_DMA_HELPER
 	select DRM_KMS_HELPER
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select VIDEOMODE_HELPERS
 	help
 	  Choose this option if you have an RZ/G2L alike chipset.

diff --git a/drivers/gpu/drm/renesas/shmobile/Kconfig b/drivers/gpu/drm/renesas/shmobile/Kconfig
@@ -5,6 +5,8 @@ config DRM_SHMOBILE
 	depends on ARCH_RENESAS || ARCH_SHMOBILE || COMPILE_TEST
 	select BACKLIGHT_CLASS_DEVICE
 	select DRM_KMS_HELPER
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_GEM_DMA_HELPER
 	select VIDEOMODE_HELPERS
 	help

diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
@@ -86,6 +86,8 @@ config ROCKCHIP_LVDS
 	bool "Rockchip LVDS support"
 	depends on DRM_ROCKCHIP
 	depends on PINCTRL && OF
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	help
 	  Choose this option to enable support for Rockchip LVDS controllers.
 	  Rockchip rk3288 SoC has LVDS TX Controller can be used, and it
@@ -96,6 +98,8 @@ config ROCKCHIP_RGB
 	bool "Rockchip RGB support"
 	depends on DRM_ROCKCHIP
 	depends on PINCTRL
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	help
 	  Choose this option to enable support for Rockchip RGB output.
 	  Some Rockchip CRTCs, like rv1108, can directly output parallel

diff --git a/drivers/gpu/drm/tegra/Kconfig b/drivers/gpu/drm/tegra/Kconfig
@@ -8,6 +8,7 @@ config DRM_TEGRA
 	select DRM_DISPLAY_DP_HELPER
 	select DRM_DISPLAY_HDMI_HELPER
 	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_DISPLAY_DP_AUX_BUS
 	select DRM_KMS_HELPER
 	select DRM_MIPI_DSI

diff --git a/drivers/gpu/drm/tidss/Kconfig b/drivers/gpu/drm/tidss/Kconfig
@@ -3,6 +3,8 @@ config DRM_TIDSS
 	depends on DRM && OF
 	depends on ARM || ARM64 || COMPILE_TEST
 	select DRM_KMS_HELPER
+	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_GEM_DMA_HELPER
 	help
 	  The TI Keystone family SoCs introduced a new generation of

diff --git a/drivers/gpu/drm/xlnx/Kconfig b/drivers/gpu/drm/xlnx/Kconfig
@@ -8,6 +8,7 @@ config DRM_ZYNQMP_DPSUB
 	select DMA_ENGINE
 	select DRM_DISPLAY_DP_HELPER
 	select DRM_DISPLAY_HELPER
+	select DRM_BRIDGE_CONNECTOR
 	select DRM_GEM_DMA_HELPER
 	select DRM_KMS_HELPER
 	select GENERIC_PHY