diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/ih_v7_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/ih_v7_0.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c b/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c index aa6235dd4f2b..6852081fcff2 100644 --- a/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/ih_v7_0.c @@ -346,6 +346,21 @@ static int ih_v7_0_irq_init(struct amdgpu_device *adev) DELAY, 3); WREG32_SOC15(OSSSYS, 0, regIH_MSI_STORM_CTRL, tmp); + /* Redirect the interrupts to IH RB1 for dGPU */ + if (adev->irq.ih1.ring_size) { + tmp = RREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_INDEX); + tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_INDEX, INDEX, 0); + WREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_INDEX, tmp); + + tmp = RREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_DATA); + tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_DATA, CLIENT_ID, 0xa); + tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_DATA, SOURCE_ID, 0x0); + tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_DATA, + SOURCE_ID_MATCH_ENABLE, 0x1); + + WREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_DATA, tmp); + } + pci_set_master(adev->pdev); /* enable interrupts */ @@ -546,8 +561,15 @@ static int ih_v7_0_sw_init(void *handle) adev->irq.ih.use_doorbell = true; adev->irq.ih.doorbell_index = adev->doorbell_index.ih << 1; - adev->irq.ih1.ring_size = 0; - adev->irq.ih2.ring_size = 0; + if (!(adev->flags & AMD_IS_APU)) { + r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, IH_RING_SIZE, + use_bus_addr); + if (r) + return r; + + adev->irq.ih1.use_doorbell = true; + adev->irq.ih1.doorbell_index = (adev->doorbell_index.ih + 1) << 1; + } /* initialize ih control register offset */ ih_v7_0_init_register_offset(adev); |