diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c index 901f8b12c672..a6419246e9c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c @@ -25,6 +25,7 @@ #include "amdgpu.h" #include "amdgpu_ih.h" +#include "amdgpu_reset.h" /** * amdgpu_ih_ring_init - initialize the IH state @@ -217,7 +218,7 @@ int amdgpu_ih_process(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih) restart_ih: count = AMDGPU_IH_MAX_NUM_IVS; - DRM_DEBUG("%s: rptr %d, wptr %d\n", __func__, ih->rptr, wptr); + dev_dbg(adev->dev, "%s: rptr %d, wptr %d\n", __func__, ih->rptr, wptr); /* Order reading of wptr vs. reading of IH ring data */ rmb(); @@ -227,13 +228,23 @@ restart_ih: ih->rptr &= ih->ptr_mask; } - amdgpu_ih_set_rptr(adev, ih); + if (!ih->overflow) + amdgpu_ih_set_rptr(adev, ih); + wake_up_all(&ih->wait_process); /* make sure wptr hasn't changed while processing */ wptr = amdgpu_ih_get_wptr(adev, ih); if (wptr != ih->rptr) - goto restart_ih; + if (!ih->overflow) + goto restart_ih; + + if (ih->overflow) + if (amdgpu_sriov_runtime(adev)) + WARN_ONCE(!amdgpu_reset_domain_schedule(adev->reset_domain, + &adev->virt.flr_work), + "Failed to queue work! at %s", + __func__); return IRQ_HANDLED; } |