Am 2020-09-11 um 5:33 p.m. schrieb Mukul Joshi: > 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@xxxxxxx> Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx> > --- > drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > 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); > } > > } _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
