drm/amdgpu: disable mcbp if parameter zero is set

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The parameter amdgpu_mcbp shall have priority against the default value
calculated from the chip version.
User could disable mcbp by setting the parameter mcbp as zero.

v2: do not trigger preemption in sw ring muxer when mcbp is disabled.

Signed-off-by: Jiadong Zhu <Jiadong.Zhu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Jiadong Zhu 2023-08-08 10:59:25 +08:00 • committed by Alex Deucher

parent b6360a5ec3

commit 0d6f374c0c

2 changed files with 6 additions and 5 deletions

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9

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

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2

drivers/gpu/drm/amd/amdgpu/amdgpu_ring_mux.c

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