On Wed, Sep 2, 2020 at 1:01 PM Alex Sierra <alex.sierra@xxxxxxx> wrote: > > Enable multi-ring ih1 and ih2 for Arcturus only. > For Navi10 family multi-ring has been disabled. > Apparently, having multi-ring enabled in Navi was causing > continus page fault interrupts. > Further investigation is needed to get to the root cause. > Related issue link: > https://gitlab.freedesktop.org/drm/amd/-/issues/1279 > Before committing, let's verify that it fixes that issue. Alex > Signed-off-by: Alex Sierra <alex.sierra@xxxxxxx> > --- > drivers/gpu/drm/amd/amdgpu/navi10_ih.c | 30 ++++++++++++++++---------- > 1 file changed, 19 insertions(+), 11 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c > index 350f1bf063c6..4d73869870ab 100644 > --- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c > +++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c > @@ -306,7 +306,8 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev) > } else { > WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl); > } > - navi10_ih_reroute_ih(adev); > + if (adev->asic_type == CHIP_ARCTURUS) > + navi10_ih_reroute_ih(adev); > > if (unlikely(adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT)) { > if (ih->use_bus_addr) { > @@ -668,19 +669,26 @@ static int navi10_ih_sw_init(void *handle) > adev->irq.ih.use_doorbell = true; > adev->irq.ih.doorbell_index = adev->doorbell_index.ih << 1; > > - r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, PAGE_SIZE, true); > - if (r) > - return r; > + adev->irq.ih1.ring_size = 0; > + adev->irq.ih2.ring_size = 0; > > - adev->irq.ih1.use_doorbell = true; > - adev->irq.ih1.doorbell_index = (adev->doorbell_index.ih + 1) << 1; > + if (adev->asic_type == CHIP_ARCTURUS) { > + r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, PAGE_SIZE, true); > + if (r) > + return r; > > - r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true); > - if (r) > - return r; > + adev->irq.ih1.use_doorbell = true; > + adev->irq.ih1.doorbell_index = > + (adev->doorbell_index.ih + 1) << 1; > + > + r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true); > + if (r) > + return r; > > - adev->irq.ih2.use_doorbell = true; > - adev->irq.ih2.doorbell_index = (adev->doorbell_index.ih + 2) << 1; > + adev->irq.ih2.use_doorbell = true; > + adev->irq.ih2.doorbell_index = > + (adev->doorbell_index.ih + 2) << 1; > + } > > r = amdgpu_irq_init(adev); > > -- > 2.17.1 > > _______________________________________________ > amd-gfx mailing list > amd-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
