drm/amdgpu:set cond_exec polling value to 1 in ring_init

no need to set it per ib_schedule(), hw won't override
this polling address.

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>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index a47628395914..7c842b7f1004 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -207,6 +207,8 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
         }
         ring->cond_exe_gpu_addr = adev->wb.gpu_addr + (ring->cond_exe_offs * 4);
         ring->cond_exe_cpu_addr = &adev->wb.wb[ring->cond_exe_offs];
+        /* always set cond_exec_polling to CONTINUE */
+        *ring->cond_exe_cpu_addr = 1;
 
         r = amdgpu_fence_driver_start_ring(ring, irq_src, irq_type);
         if (r) {
@@ -307,7 +309,7 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf,
         while (size) {
                 if (*pos >= (ring->ring_size + 12))
                         return result;
-                        
+
                 value = ring->ring[(*pos - 12)/4];
                 r = put_user(value, (uint32_t*)buf);
                 if (r)