drm/amdgpu: add IH ring to ih_get_wptr/ih_set_rptr v2

Let's start to support multiple rings.

v2: decode IV is needed as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 17 insertions, 14 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/si_ih.c b/drivers/gpu/drm/amd/amdgpu/si_ih.c
index 2938fb9f17cc..5cabc9687f76 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_ih.c
@@ -100,34 +100,36 @@ static void si_ih_irq_disable(struct amdgpu_device *adev)
         mdelay(1);
 }
 
-static u32 si_ih_get_wptr(struct amdgpu_device *adev)
+static u32 si_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(adev->wb.wb[ih->wptr_offs]);
 
         if (wptr & IH_RB_WPTR__RB_OVERFLOW_MASK) {
                 wptr &= ~IH_RB_WPTR__RB_OVERFLOW_MASK;
                 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(IH_RB_CNTL);
                 tmp |= IH_RB_CNTL__WPTR_OVERFLOW_CLEAR_MASK;
                 WREG32(IH_RB_CNTL, tmp);
         }
-        return (wptr & adev->irq.ih.ptr_mask);
+        return (wptr & ih->ptr_mask);
 }
 
 static void si_ih_decode_iv(struct amdgpu_device *adev,
-                             struct amdgpu_iv_entry *entry)
+                            struct amdgpu_ih_ring *ih,
+                            struct amdgpu_iv_entry *entry)
 {
-        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;
@@ -135,12 +137,13 @@ static void si_ih_decode_iv(struct amdgpu_device *adev,
         entry->ring_id = dw[2] & 0xff;
         entry->vmid = (dw[2] >> 8) & 0xff;
 
-        adev->irq.ih.rptr += 16;
+        ih->rptr += 16;
 }
 
-static void si_ih_set_rptr(struct amdgpu_device *adev)
+static void si_ih_set_rptr(struct amdgpu_device *adev,
+                           struct amdgpu_ih_ring *ih)
 {
-        WREG32(IH_RB_RPTR, adev->irq.ih.rptr);
+        WREG32(IH_RB_RPTR, ih->rptr);
 }
 
 static int si_ih_early_init(void *handle)