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authorMonk Liu <monk.liu@amd.com>2016-01-14 18:08:16 +0800
committerAlex Deucher <alexander.deucher@amd.com>2016-05-02 15:09:17 -0400
commit128cff1af68689cf4d85d3ba948c86a194dee30f (patch)
tree70a6e6963ea61a58fa1500d5d571e4a52263d78e /drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
parent8e9fbeb522fa3043dc65ef0e383af28843950799 (diff)
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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.c3
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];