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| author | Monk Liu <monk.liu@amd.com> | 2016-01-14 18:08:16 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-05-02 15:09:17 -0400 |
| commit | 128cff1af68689cf4d85d3ba948c86a194dee30f (patch) | |
| tree | 70a6e6963ea61a58fa1500d5d571e4a52263d78e /drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | |
| parent | 8e9fbeb522fa3043dc65ef0e383af28843950799 (diff) | |
| download | linux-128cff1af68689cf4d85d3ba948c86a194dee30f.tar.bz2 | |
drm/amdgpu: support cond exec
This adds the groundwork for conditional execution on
SDMA which is necessary for preemption.
Signed-off-by: Monk Liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index 8443cea6821a..a15d690d9089 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -160,6 +160,9 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, amdgpu_ring_emit_hdp_flush(ring); } + /* always set cond_exec_polling to CONTINUE */ + *ring->cond_exe_cpu_addr = 1; + old_ctx = ring->current_ctx; for (i = 0; i < num_ibs; ++i) { ib = &ibs[i]; |