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We had a, what was supposed to be temporary, hack in the KMS code where we'd
completely drain an EVO/NVD channel's push buffer when wrapping to the start
again, instead of treating it as a ring buffer.
Let's fix that, finally.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This will be required to support Volta, but also allows us to remove code
that's duplicated for each channel type already.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This will be required to support Volta.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Unnecessarily complicated, and a barrier to cleanly supporting Volta.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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More simplification.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Engines are initialised on an as-needed basis, so this results in the
same behaviour, whilst allowing us to simplify things a bit.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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GP102/GP104 make life difficult by redefining the channel indices for
some registers, but not others.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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