diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik_ih.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik_ih.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_ih.c b/drivers/gpu/drm/amd/amdgpu/cik_ih.c index 8a8b4967a101..721c757156e8 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_ih.c @@ -103,9 +103,9 @@ static void cik_ih_disable_interrupts(struct amdgpu_device *adev) */ static int cik_ih_irq_init(struct amdgpu_device *adev) { + struct amdgpu_ih_ring *ih = &adev->irq.ih; int rb_bufsz; u32 interrupt_cntl, ih_cntl, ih_rb_cntl; - u64 wptr_off; /* disable irqs */ cik_ih_disable_interrupts(adev); @@ -131,9 +131,8 @@ static int cik_ih_irq_init(struct amdgpu_device *adev) ih_rb_cntl |= IH_RB_CNTL__WPTR_WRITEBACK_ENABLE_MASK; /* set the writeback address whether it's enabled or not */ - wptr_off = adev->wb.gpu_addr + (adev->irq.ih.wptr_offs * 4); - WREG32(mmIH_RB_WPTR_ADDR_LO, lower_32_bits(wptr_off)); - WREG32(mmIH_RB_WPTR_ADDR_HI, upper_32_bits(wptr_off) & 0xFF); + WREG32(mmIH_RB_WPTR_ADDR_LO, lower_32_bits(ih->wptr_addr)); + WREG32(mmIH_RB_WPTR_ADDR_HI, upper_32_bits(ih->wptr_addr) & 0xFF); WREG32(mmIH_RB_CNTL, ih_rb_cntl); @@ -183,11 +182,12 @@ static void cik_ih_irq_disable(struct amdgpu_device *adev) * Used by cik_irq_process(). * Returns the value of the wptr. */ -static u32 cik_ih_get_wptr(struct amdgpu_device *adev) +static u32 cik_ih_get_wptr(struct amdgpu_device *adev, + struct amdgpu_ih_ring *ih) { u32 wptr, tmp; - wptr = le32_to_cpu(adev->wb.wb[adev->irq.ih.wptr_offs]); + wptr = le32_to_cpu(*ih->wptr_cpu); if (wptr & IH_RB_WPTR__RB_OVERFLOW_MASK) { wptr &= ~IH_RB_WPTR__RB_OVERFLOW_MASK; @@ -196,13 +196,13 @@ static u32 cik_ih_get_wptr(struct amdgpu_device *adev) * this should allow us to catchup. */ dev_warn(adev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n", - wptr, adev->irq.ih.rptr, (wptr + 16) & adev->irq.ih.ptr_mask); - adev->irq.ih.rptr = (wptr + 16) & adev->irq.ih.ptr_mask; + wptr, ih->rptr, (wptr + 16) & ih->ptr_mask); + ih->rptr = (wptr + 16) & ih->ptr_mask; tmp = RREG32(mmIH_RB_CNTL); tmp |= IH_RB_CNTL__WPTR_OVERFLOW_CLEAR_MASK; WREG32(mmIH_RB_CNTL, tmp); } - return (wptr & adev->irq.ih.ptr_mask); + return (wptr & ih->ptr_mask); } /* CIK IV Ring @@ -237,16 +237,17 @@ static u32 cik_ih_get_wptr(struct amdgpu_device *adev) * position and also advance the position. */ static void cik_ih_decode_iv(struct amdgpu_device *adev, + struct amdgpu_ih_ring *ih, struct amdgpu_iv_entry *entry) { /* wptr/rptr are in bytes! */ - u32 ring_index = adev->irq.ih.rptr >> 2; + u32 ring_index = ih->rptr >> 2; uint32_t dw[4]; - dw[0] = le32_to_cpu(adev->irq.ih.ring[ring_index + 0]); - dw[1] = le32_to_cpu(adev->irq.ih.ring[ring_index + 1]); - dw[2] = le32_to_cpu(adev->irq.ih.ring[ring_index + 2]); - dw[3] = le32_to_cpu(adev->irq.ih.ring[ring_index + 3]); + dw[0] = le32_to_cpu(ih->ring[ring_index + 0]); + dw[1] = le32_to_cpu(ih->ring[ring_index + 1]); + dw[2] = le32_to_cpu(ih->ring[ring_index + 2]); + dw[3] = le32_to_cpu(ih->ring[ring_index + 3]); entry->client_id = AMDGPU_IRQ_CLIENTID_LEGACY; entry->src_id = dw[0] & 0xff; @@ -256,7 +257,7 @@ static void cik_ih_decode_iv(struct amdgpu_device *adev, entry->pasid = (dw[2] >> 16) & 0xffff; /* wptr/rptr are in bytes! */ - adev->irq.ih.rptr += 16; + ih->rptr += 16; } /** @@ -266,9 +267,10 @@ static void cik_ih_decode_iv(struct amdgpu_device *adev, * * Set the IH ring buffer rptr. */ -static void cik_ih_set_rptr(struct amdgpu_device *adev) +static void cik_ih_set_rptr(struct amdgpu_device *adev, + struct amdgpu_ih_ring *ih) { - WREG32(mmIH_RB_RPTR, adev->irq.ih.rptr); + WREG32(mmIH_RB_RPTR, ih->rptr); } static int cik_ih_early_init(void *handle) |