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The new PRE/PRG driver code causes a link failure when IPUv3 is built-in,
but DRM is built as a module:
drivers/gpu/ipu-v3/ipu-pre.o: In function `ipu_pre_configure':
ipu-pre.c:(.text.ipu_pre_configure+0x18): undefined reference to `drm_format_info'
drivers/gpu/ipu-v3/ipu-prg.o: In function `ipu_prg_format_supported':
ipu-prg.c:(.text.ipu_prg_format_supported+0x8): undefined reference to `drm_format_info'
Adding a Kconfig dependency on DRM means we don't run into this problem
any more. If DRM is disabled altogether, the IPUv3 driver is built
without PRE/PRG support.
Fixes: ea9c260514c1 ("gpu: ipu-v3: add driver for Prefetch Resolve Gasket")
Link: https://patchwork.kernel.org/patch/9636665/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[p.zabel@pengutronix.de: changed the dependency from DRM to DRM || !DRM,
since the link failure only happens when DRM=m and IPUV3_CORE=y.
Modified the commit message to reflect this.]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
9 lines
327 B
Plaintext
9 lines
327 B
Plaintext
config IMX_IPUV3_CORE
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tristate "IPUv3 core support"
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depends on SOC_IMX5 || SOC_IMX6Q || ARCH_MULTIPLATFORM
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depends on DRM || !DRM # if DRM=m, this can't be 'y'
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select GENERIC_IRQ_CHIP
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help
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Choose this if you have a i.MX5/6 system and want to use the Image
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Processing Unit. This option only enables IPU base support.
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