diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 856c50386c86..edea8743f26e 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1063,6 +1063,15 @@ static void sdma_v4_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable) WREG32_SDMA(i, mmSDMA0_PHASE2_QUANTUM, phase_quantum); } WREG32_SDMA(i, mmSDMA0_CNTL, f32_cntl); + + /* + * Enable SDMA utilization. Its only supported on + * Arcturus for the moment and firmware version 14 + * and above. + */ + if (adev->asic_type == CHIP_ARCTURUS && + adev->sdma.instance[i].fw_version >= 14) + WREG32_SDMA(i, mmSDMA0_PUB_DUMMY_REG2, enable); } } |