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path: root/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/iceland_ih.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/iceland_ih.c36
1 files changed, 19 insertions, 17 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
index a3984d10b604..b1626e1d2f5d 100644
--- a/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/iceland_ih.c
@@ -103,9 +103,9 @@ static void iceland_ih_disable_interrupts(struct amdgpu_device *adev)
*/
static int iceland_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 */
iceland_ih_disable_interrupts(adev);
@@ -133,9 +133,8 @@ static int iceland_ih_irq_init(struct amdgpu_device *adev)
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, WPTR_WRITEBACK_ENABLE, 1);
/* 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);
@@ -185,11 +184,12 @@ static void iceland_ih_irq_disable(struct amdgpu_device *adev)
* Used by cz_irq_process(VI).
* Returns the value of the wptr.
*/
-static u32 iceland_ih_get_wptr(struct amdgpu_device *adev)
+static u32 iceland_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 (REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW)) {
wptr = REG_SET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW, 0);
@@ -198,13 +198,13 @@ static u32 iceland_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 = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
WREG32(mmIH_RB_CNTL, tmp);
}
- return (wptr & adev->irq.ih.ptr_mask);
+ return (wptr & ih->ptr_mask);
}
/**
@@ -216,16 +216,17 @@ static u32 iceland_ih_get_wptr(struct amdgpu_device *adev)
* position and also advance the position.
*/
static void iceland_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;
@@ -235,7 +236,7 @@ static void iceland_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;
}
/**
@@ -245,9 +246,10 @@ static void iceland_ih_decode_iv(struct amdgpu_device *adev,
*
* Set the IH ring buffer rptr.
*/
-static void iceland_ih_set_rptr(struct amdgpu_device *adev)
+static void iceland_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 iceland_ih_early_init(void *handle)