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https://github.com/torvalds/linux
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944fc36c31
Downstream kernel IOMMU had a non-standard way of dealing with multiple devices and multiple ports/contexts. We don't need that on upstream kernel, so rip out the crazy. Note that we have to move the pinning of the ringbuffer to after the IOMMU is attached. No idea how that managed to work properly on the downstream kernel. For now, I am leaving the IOMMU port name stuff in place, to simplify things for folks trying to backport latest drm/msm to device kernels. Once we no longer have to care about pre-DT kernels, we can drop this and instead backport upstream IOMMU driver. Signed-off-by: Rob Clark <robdclark@gmail.com>
35 lines
924 B
Plaintext
35 lines
924 B
Plaintext
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config DRM_MSM
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tristate "MSM DRM"
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depends on DRM
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depends on ARCH_QCOM || (ARM && COMPILE_TEST)
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select DRM_KMS_HELPER
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select SHMEM
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select TMPFS
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default y
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help
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DRM/KMS driver for MSM/snapdragon.
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config DRM_MSM_FBDEV
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bool "Enable legacy fbdev support for MSM modesetting driver"
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depends on DRM_MSM
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select DRM_KMS_FB_HELPER
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select FB_SYS_FILLRECT
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select FB_SYS_COPYAREA
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select FB_SYS_IMAGEBLIT
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select FB_SYS_FOPS
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default y
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help
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Choose this option if you have a need for the legacy fbdev
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support. Note that this support also provide the linux console
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support on top of the MSM modesetting driver.
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config DRM_MSM_REGISTER_LOGGING
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bool "MSM DRM register logging"
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depends on DRM_MSM
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default n
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help
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Compile in support for logging register reads/writes in a format
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that can be parsed by envytools demsm tool. If enabled, register
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logging can be switched on via msm.reglog=y module param.
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