From: Monk Liu <monk....@amd.com>
This fixes Tonga vm-fault issue when running disaster
(a multiple context GL heavy tests),
We should always flush & invalidate hdp no matter vm
used or not.
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
Reviewed-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Chunming Zhou <David1.Zhou at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Cc: stable at vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 1693fc7e..61ca7e1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -164,11 +164,11 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned
num_ibs,
amdgpu_ring_undo(ring);
return r;
}
-
- if (ring->funcs->emit_hdp_flush)
- amdgpu_ring_emit_hdp_flush(ring);
}
+ if (ring->funcs->emit_hdp_flush)
+ amdgpu_ring_emit_hdp_flush(ring);
+
/* always set cond_exec_polling to CONTINUE */
*ring->cond_exe_cpu_addr = 1;
@@ -178,10 +178,8 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned
num_ibs,
}
ring->last_fence_context = fence_context;
- if (vm) {
- if (ring->funcs->emit_hdp_invalidate)
- amdgpu_ring_emit_hdp_invalidate(ring);
- }
+ if (ring->funcs->emit_hdp_invalidate)
+ amdgpu_ring_emit_hdp_invalidate(ring);
r = amdgpu_fence_emit(ring, &hwf);
if (r) {
--
2.5.5
