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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/drivers/gpu/drm/udl/Kconfig

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treewide: Add SPDX license identifier - Makefile/Kconfig Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-19 15:07:45 +03:00
# SPDX-License-Identifier: GPL-2.0-only
drm/udl: initial UDL driver (v4) This is an initial drm/kms driver for the displaylink devices. Supports fb_defio, supports KMS dumb interface supports 24bpp via conversion to 16bpp, hw can do this better. supports hot unplug using new drm core features. On an unplug, it disables connector polling, unplugs connectors from sysfs, unplugs fbdev layer (using Kay's API), drops all the USB device URBs, and call the drm core to unplug the device. This driver is based in large parts on udlfb.c so I've licensed it under GPLv2. Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-12-15 00:14:24 +03:00
config DRM_UDL
tristate "DisplayLink"
drivers/gpu/drm/udl: remove depends on CONFIG_EXPERIMENTAL The CONFIG_EXPERIMENTAL config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it from any "depends on" lines in Kconfigs. CC: Dave Airlie <airlied@redhat.com> CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org> CC: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-02 22:17:05 +04:00
depends on DRM
drm/udl: Make udl driver depend on CONFIG_USB The udl driver for DisplayLink devices depends on support for host-side USB controllers, which is enabled with CONFIG_USB. Plain USB support as given by CONFIG_USB_SUPPORT is not sufficient. This patch changes dependencies for udl to depend on CONFIG_USB, instead of CONFIG_USB_SUPPORT. Users will have to enable CONFIG_USB and select a USB host controller. With this change udl dependencies work the same way as dependencies for PCI drivers. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200106141016.9562-1-tzimmermann@suse.de
2020-01-06 17:10:16 +03:00
depends on USB
gpu/mfd/usb: Fix USB randconfig problems Fix config warning: warning: ( ... && DRM_USB) selects USB which has unmet direct dependencies (USB_SUPPORT && USB_ARCH_HAS_HCD) and build error: ERROR: "usb_speed_string" [drivers/usb/core/usbcore.ko] undefined! by adding the missing dependency on USB_ARCH_HAS_HCD to DRM_UDL and DRM_USB. This exposes: drivers/video/Kconfig:36:error: recursive dependency detected! drivers/video/Kconfig:36: symbol FB is selected by DRM_KMS_HELPER drivers/gpu/drm/Kconfig:28: symbol DRM_KMS_HELPER is selected by DRM_UDL drivers/gpu/drm/udl/Kconfig:1: symbol DRM_UDL depends on USB_ARCH_HAS_HCD drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI drivers/usb/Kconfig:16: symbol USB_ARCH_HAS_OHCI depends on I2C drivers/i2c/Kconfig:5: symbol I2C is selected by FB_DDC drivers/video/Kconfig:86: symbol FB_DDC is selected by FB_CYBER2000_DDC drivers/video/Kconfig:385: symbol FB_CYBER2000_DDC depends on FB_CYBER2000 drivers/video/Kconfig:373: symbol FB_CYBER2000 depends on FB which is due to drivers/usb/Kconfig: config USB_ARCH_HAS_OHCI ... default y if ARCH_PNX4008 && I2C Fix by dropping I2C from the above dependency; logic is that this is not a platform dependency but a configuration dependency: the _architecture_ still supports USB even is I2C is not selected. This exposes: drivers/video/Kconfig:36:error: recursive dependency detected! drivers/video/Kconfig:36: symbol FB is selected by DRM_KMS_HELPER drivers/gpu/drm/Kconfig:28: symbol DRM_KMS_HELPER is selected by DRM_UDL drivers/gpu/drm/udl/Kconfig:1: symbol DRM_UDL depends on USB_ARCH_HAS_HCD drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI drivers/usb/Kconfig:17: symbol USB_ARCH_HAS_OHCI depends on MFD_TC6393XB drivers/mfd/Kconfig:396: symbol MFD_TC6393XB depends on GPIOLIB drivers/gpio/Kconfig:35: symbol GPIOLIB is selected by FB_VIA drivers/video/Kconfig:1560: symbol FB_VIA depends on FB which can be fixed by having MFD_TC6393XB select GPIOLIB instead of depending on it. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-20 22:23:16 +04:00
depends on USB_ARCH_HAS_HCD
drm/udl: Switch to SHMEM Udl's GEM code and the generic SHMEM are almost identical. Replace the former with SHMEM. The dmabuf support in udl is being replaced with generic GEM PRIME functions. The main difference is in the caching flags for mmap pages. By default, SHMEM always sets (uncached) write combining. In udl's memory management code, only imported buffers use write combining. Memory pages of locally created buffer objects are mmap'ed with caching enabled. To keep the optimization, udl provides its own mmap function for GEM objects where it fixes up the mapping flags. v3: - restore udl vmap that enables caching v2: - remove obsolete code in a separate patch Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191107094307.19870-4-tzimmermann@suse.de
2019-11-07 12:43:06 +03:00
select DRM_GEM_SHMEM_HELPER
drm/udl: initial UDL driver (v4) This is an initial drm/kms driver for the displaylink devices. Supports fb_defio, supports KMS dumb interface supports 24bpp via conversion to 16bpp, hw can do this better. supports hot unplug using new drm core features. On an unplug, it disables connector polling, unplugs connectors from sysfs, unplugs fbdev layer (using Kay's API), drops all the USB device URBs, and call the drm core to unplug the device. This driver is based in large parts on udlfb.c so I've licensed it under GPLv2. Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-12-15 00:14:24 +03:00
select DRM_KMS_HELPER
help
This is a KMS driver for the USB displaylink video adapters.
drm/udl: Fix Kconfig indentation Adjust indentation from spaces to tab (+optional two spaces) as in coding style with command like: $ sed -e 's/^ /\t/' -i */Kconfig Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20191120133341.6582-1-krzk@kernel.org
2019-11-20 16:33:41 +03:00
Say M/Y to add support for these devices via drm/kms interfaces.