drm/amdgpu: restrict the hw sched jobs number to power of two

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the module parameter sched_hw_submission is probably from user mode,
and the kernel need to check whether it is legal.

1. align hw sched jobs to power of 2 and set minimum number is 2.
2. use kernel api is_power_of_2() to simplify driver code.

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Kevin Wang 2020-01-19 17:20:43 +08:00 • committed by Alex Deucher

parent 2217b2499e

commit 5d5bd5e32e

2 changed files with 11 additions and 2 deletions

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10

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

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3

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

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