[PATCH 1/3] drm/amdgpu:set cond_exec polling value to 1 in ring_init

[Monk Liu]

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

Change-Id: Ie27a36f187f7db26239c016315cd2dee482387b5
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c   | 3 ---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 4 +++-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index 6939822..bcd5142 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -175,9 +175,6 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
 	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;
-
 	skip_preamble = ring->current_ctx == fence_ctx;
 	need_ctx_switch = ring->current_ctx != fence_ctx;
 	if (job && ring->funcs->emit_cntxcntl) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 4c99282..7bacf3c 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)
-- 
2.7.4