From e61235db62c5e68e56e59bea62b88f9f3d7a3cf5 Mon Sep 17 00:00:00 2001
From: Christian König <christian.koenig@amd.com>
Date: Tue, 25 Aug 2015 11:05:36 +0200
Subject: drm/amdgpu: add scheduler dependency callback v2
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This way the scheduler doesn't wait in it's work thread any more.
v2: fix race conditions
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c | 7 +++++++
1 file changed, 7 insertions(+)
(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c')
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
index f93fb3541488..de98fbd2971e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
@@ -27,6 +27,12 @@
#include <drm/drmP.h>
#include "amdgpu.h"
+static struct fence *amdgpu_sched_dependency(struct amd_sched_job *job)
+{
+ struct amdgpu_job *sched_job = (struct amdgpu_job *)job;
+ return amdgpu_sync_get_fence(&sched_job->ibs->sync);
+}
+
static struct fence *amdgpu_sched_run_job(struct amd_sched_job *job)
{
struct amdgpu_job *sched_job;
@@ -75,6 +81,7 @@ static void amdgpu_sched_process_job(struct amd_sched_job *job)
}
struct amd_sched_backend_ops amdgpu_sched_ops = {
+ .dependency = amdgpu_sched_dependency,
.run_job = amdgpu_sched_run_job,
.process_job = amdgpu_sched_process_job
};
--
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