drm/imx: move IPUv3 driver into separate subdirectory

The IPUv3 and DCSS driver are two totally separate DRM drivers. Having
one of them live in the drivers/gpu/drm/imx toplevel directory and the
other one in the dcss/ subdirectory is confusing. Move the IPUv3 driver
into its own subdirectory to make the separation more clear.

Signed-off-by: Lucas Stach <[e-mail]>
Reviewed-by: Philipp Zabel <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Philipp Zabel <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

MAINTAINERS

···
 L:	[e-mail]
 S:	Maintained
 F:	Documentation/devicetree/bindings/display/imx/
-F:	drivers/gpu/drm/imx/
+F:	drivers/gpu/drm/imx/ipuv3/
 F:	drivers/gpu/ipu-v3/
 
 DRM DRIVERS FOR FREESCALE IMX BRIDGE

drivers/gpu/drm/imx/Kconfig

···
 # SPDX-License-Identifier: GPL-2.0-only
-config DRM_IMX
-	tristate "DRM Support for Freescale i.MX"
-	select DRM_KMS_HELPER
-	select VIDEOMODE_HELPERS
-	select DRM_GEM_DMA_HELPER
-	depends on DRM && (ARCH_MXC || ARCH_MULTIPLATFORM || COMPILE_TEST)
-	depends on IMX_IPUV3_CORE
-	help
-	  enable i.MX graphics support
-
-config DRM_IMX_PARALLEL_DISPLAY
-	tristate "Support for parallel displays"
-	select DRM_PANEL
-	depends on DRM_IMX
-	select VIDEOMODE_HELPERS
-
-config DRM_IMX_TVE
-	tristate "Support for TV and VGA displays"
-	depends on DRM_IMX
-	depends on COMMON_CLK
-	select REGMAP_MMIO
-	help
-	  Choose this to enable the internal Television Encoder (TVe)
-	  found on i.MX53 processors.
-
-config DRM_IMX_LDB
-	tristate "Support for LVDS displays"
-	depends on DRM_IMX && MFD_SYSCON
-	depends on COMMON_CLK
-	select DRM_PANEL
-	help
-	  Choose this to enable the internal LVDS Display Bridge (LDB)
-	  found on i.MX53 and i.MX6 processors.
-
-config DRM_IMX_HDMI
-	tristate "Freescale i.MX DRM HDMI"
-	select DRM_DW_HDMI
-	depends on DRM_IMX && OF
-	help
-	  Choose this if you want to use HDMI on i.MX6.
 
 source "drivers/gpu/drm/imx/dcss/Kconfig"
+source "drivers/gpu/drm/imx/ipuv3/Kconfig"

drivers/gpu/drm/imx/Makefile

···
 # SPDX-License-Identifier: GPL-2.0
 
-imxdrm-objs := imx-drm-core.o ipuv3-crtc.o ipuv3-plane.o
-
-obj-$(CONFIG_DRM_IMX) += imxdrm.o
-
-obj-$(CONFIG_DRM_IMX_PARALLEL_DISPLAY) += parallel-display.o
-obj-$(CONFIG_DRM_IMX_TVE) += imx-tve.o
-obj-$(CONFIG_DRM_IMX_LDB) += imx-ldb.o
-
-obj-$(CONFIG_DRM_IMX_HDMI) += dw_hdmi-imx.o
 obj-$(CONFIG_DRM_IMX_DCSS) += dcss/
+obj-$(CONFIG_DRM_IMX) += ipuv3/

drivers/gpu/drm/imx/ipuv3/Kconfig

···
+# SPDX-License-Identifier: GPL-2.0-only
+config DRM_IMX
+	tristate "DRM Support for Freescale i.MX"
+	select DRM_KMS_HELPER
+	select VIDEOMODE_HELPERS
+	select DRM_GEM_DMA_HELPER
+	depends on DRM && (ARCH_MXC || ARCH_MULTIPLATFORM || COMPILE_TEST)
+	depends on IMX_IPUV3_CORE
+	help
+	  enable i.MX graphics support
+
+config DRM_IMX_PARALLEL_DISPLAY
+	tristate "Support for parallel displays"
+	select DRM_PANEL
+	depends on DRM_IMX
+	select VIDEOMODE_HELPERS
+
+config DRM_IMX_TVE
+	tristate "Support for TV and VGA displays"
+	depends on DRM_IMX
+	depends on COMMON_CLK
+	select REGMAP_MMIO
+	help
+	  Choose this to enable the internal Television Encoder (TVe)
+	  found on i.MX53 processors.
+
+config DRM_IMX_LDB
+	tristate "Support for LVDS displays"
+	depends on DRM_IMX && MFD_SYSCON
+	depends on COMMON_CLK
+	select DRM_PANEL
+	help
+	  Choose this to enable the internal LVDS Display Bridge (LDB)
+	  found on i.MX53 and i.MX6 processors.
+
+config DRM_IMX_HDMI
+	tristate "Freescale i.MX DRM HDMI"
+	select DRM_DW_HDMI
+	depends on DRM_IMX && OF
+	help
+	  Choose this if you want to use HDMI on i.MX6.

drivers/gpu/drm/imx/ipuv3/Makefile

···
+# SPDX-License-Identifier: GPL-2.0
+
+imxdrm-objs := imx-drm-core.o ipuv3-crtc.o ipuv3-plane.o
+
+obj-$(CONFIG_DRM_IMX) += imxdrm.o
+
+obj-$(CONFIG_DRM_IMX_PARALLEL_DISPLAY) += parallel-display.o
+obj-$(CONFIG_DRM_IMX_TVE) += imx-tve.o
+obj-$(CONFIG_DRM_IMX_LDB) += imx-ldb.o
+
+obj-$(CONFIG_DRM_IMX_HDMI) += dw_hdmi-imx.o