diff options
| author | Lan Xiao <Lan.Xiao@amd.com> | 2018-07-11 22:32:51 -0400 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2018-07-11 22:32:51 -0400 |
| commit | 58e698861255129a00765b69c0499bc0d044feb4 (patch) | |
| tree | dc60a3f4a77dfcc224992c4bf0f0f9705c2fc7cd /drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c | |
| parent | 2640c3facbd6e21e63c95f19588cc24913a263cd (diff) | |
| download | talos-op-linux-58e698861255129a00765b69c0499bc0d044feb4.tar.gz talos-op-linux-58e698861255129a00765b69c0499bc0d044feb4.zip | |
drm/amdkfd: fix zero reading of VMID and PASID for Hawaii
Upon VM Fault, the VMID and PASID written by HW are zeros in
Hawaii. Instead of reading from ih_ring_entry, read directly
from the registers. This workaround fix the soft hang issues
caused by mishandled VM Fault in Hawaii.
Signed-off-by: Lan Xiao <Lan.Xiao@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c index db6d9336b80d..c56ac47cd318 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c @@ -151,13 +151,15 @@ static void interrupt_wq(struct work_struct *work) ih_ring_entry); } -bool interrupt_is_wanted(struct kfd_dev *dev, const uint32_t *ih_ring_entry) +bool interrupt_is_wanted(struct kfd_dev *dev, + const uint32_t *ih_ring_entry, + uint32_t *patched_ihre, bool *flag) { /* integer and bitwise OR so there is no boolean short-circuiting */ unsigned int wanted = 0; wanted |= dev->device_info->event_interrupt_class->interrupt_isr(dev, - ih_ring_entry); + ih_ring_entry, patched_ihre, flag); return wanted != 0; } |
