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path: root/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/navi10_ih.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/navi10_ih.c30
1 files 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..74b1e7dc49a9 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->irq.ih1.ring_size)
+ 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_NAVI10) {
+ 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);