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It's not enough to have a dependency on CONFIG_FB, as that can be in
a loadable module when vivid itself is builtin:
drivers/media/test-drivers/vivid/vivid-osd.o: in function `vivid_fb_init':
vivid-osd.c:(.text+0xdc0): undefined reference to `fb_alloc_cmap'
vivid-osd.c:(.text+0xe26): undefined reference to `register_framebuffer'
Change the dependency to only allow configurations that can be built,
but change the FB to FB_CORE so this is also possible when using
DRM with FB compatibility rather than full fbdev.
Fixes: 20889ddede ("media: vivid: Introduce VIDEO_VIVID_OSD")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
50 lines
1.5 KiB
Plaintext
50 lines
1.5 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config VIDEO_VIVID
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tristate "Virtual Video Test Driver"
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depends on VIDEO_DEV && !SPARC32 && !SPARC64
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depends on HAS_DMA
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select FONT_SUPPORT
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select FONT_8x16
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select VIDEOBUF2_VMALLOC
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select VIDEOBUF2_DMA_CONTIG
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select VIDEO_V4L2_TPG
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select MEDIA_CONTROLLER
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help
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Enables a virtual video driver. This driver emulates a webcam,
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TV, S-Video and HDMI capture hardware, including VBI support for
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the SDTV inputs. Also video output, VBI output, radio receivers,
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transmitters and software defined radio capture is emulated.
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It is highly configurable and is ideal for testing applications.
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Error injection is supported to test rare errors that are hard
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to reproduce in real hardware.
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Say Y here if you want to test video apps or debug V4L devices.
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When in doubt, say N.
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config VIDEO_VIVID_CEC
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bool "Enable CEC emulation support"
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depends on VIDEO_VIVID
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select CEC_CORE
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help
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When selected the vivid module will emulate the optional
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HDMI CEC feature.
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config VIDEO_VIVID_OSD
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bool "Enable Framebuffer for testing Output Overlay"
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depends on VIDEO_VIVID && FB_CORE
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depends on VIDEO_VIVID=m || FB_CORE=y
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default y
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select FB_IOMEM_HELPERS
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help
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When selected the vivid module will emulate a Framebuffer for
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testing Output Overlay.
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config VIDEO_VIVID_MAX_DEVS
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int "Maximum number of devices"
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depends on VIDEO_VIVID
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default "64"
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help
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This allows you to specify the maximum number of devices supported
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by the vivid driver.
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