From dfc9847956d55cdd1111711e2a3d9901967b4368 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Mon, 8 Oct 2018 14:55:42 +0800
Subject: drm/amdgpu: Add helper function amdgpu_ring_set_preempt_cond_exec
can preempt the ring by setting cond_exec to false
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 6 ++++++
1 file changed, 6 insertions(+)
(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h')
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index cdddce938bf5..764bf851c1df 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -266,6 +266,12 @@ void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring,
bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,
struct dma_fence *fence);
+static inline void amdgpu_ring_set_preempt_cond_exec(struct amdgpu_ring *ring,
+ bool cond_exec)
+{
+ *ring->cond_exe_cpu_addr = cond_exec;
+}
+
static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring)
{
int i = 0;
--
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