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drm/amdgpu: hdp flush&inval should always do 

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@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Monk Liu 2016-05-04 16:27:41 +08:00 committed by Alex Deucher
parent f0f3a8fbdb
commit 794ff5710e
1 changed files with 5 additions and 7 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
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@ -163,11 +163,11 @@ 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->current_ctx = ctx;
}
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) {