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| author | Mukul Joshi <mukul.joshi@amd.com> | 2020-09-11 17:24:14 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-09-15 17:52:39 -0400 |
| commit | 62f6b1162e91a4d31c17ed13ff7c2dcc86eda501 (patch) | |
| tree | 2388ccbe501e254ccf36855e6d9a1b3cca3dca6a | |
| parent | 6d90a208cfff94c519caaecbc5da3af3929bf374 (diff) | |
| download | linux-62f6b1162e91a4d31c17ed13ff7c2dcc86eda501.tar.gz linux-62f6b1162e91a4d31c17ed13ff7c2dcc86eda501.tar.bz2 linux-62f6b1162e91a4d31c17ed13ff7c2dcc86eda501.zip | |
drm/amdgpu: Enable SDMA utilization for Arcturus
SDMA utilization calculations are enabled/disabled by
writing to SDMAx_PUB_DUMMY_REG2 register. Currently,
enable this only for Arcturus.
Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -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); } } |