sdma_phase_quantum 430 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c MODULE_PARM_DESC(sdma_phase_quantum, "SDMA context switch phase quantum (x 1K GPU clock cycles, 0 = no change (default 32))"); sdma_phase_quantum 431 drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c module_param_named(sdma_phase_quantum, amdgpu_sdma_phase_quantum, uint, 0444);