[PATCH 4/4] drm/amdgpu: set -ECANCELED when dropping jobs

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You should use "dma_fence_wait_timeout()" instead of fence->error, that's more make sense 



-----Original Message-----
From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Christian K?nig
Sent: 2017å¹´10æ??9æ?¥ 23:35
To: amd-gfx at lists.freedesktop.org
Subject: [PATCH 4/4] drm/amdgpu: set -ECANCELED when dropping jobs

From: Christian König <christian.koenig@xxxxxxx>

And return from the wait functions the fence error code.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c  | 7 ++++++-  drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 359c89c..0185d35 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -1283,6 +1283,8 @@ int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data,
 		r = PTR_ERR(fence);
 	else if (fence) {
 		r = dma_fence_wait_timeout(fence, true, timeout);
+		if (r > 0 && fence->error)
+			r = fence->error;
 		dma_fence_put(fence);
 	} else
 		r = 1;
@@ -1420,6 +1422,9 @@ static int amdgpu_cs_wait_all_fences(struct amdgpu_device *adev,
 
 		if (r == 0)
 			break;
+
+		if (fence->error)
+			return fence->error;
 	}
 
 	memset(wait, 0, sizeof(*wait));
@@ -1480,7 +1485,7 @@ static int amdgpu_cs_wait_any_fence(struct amdgpu_device *adev,
 	wait->out.status = (r > 0);
 	wait->out.first_signaled = first;
 	/* set return value 0 to indicate success */
-	r = 0;
+	r = array[first]->error;
 
 err_free_fence_array:
 	for (i = 0; i < fence_count; i++)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index c76d17c..7067edf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -194,6 +194,7 @@ static struct dma_fence *amdgpu_job_run(struct amd_sched_job *sched_job)
 	trace_amdgpu_sched_run_job(job);
 	/* skip ib schedule when vram is lost */
 	if (job->vram_lost_counter != atomic_read(&adev->vram_lost_counter)) {
+		dma_fence_set_error(&job->base.s_fence->finished, -ECANCELED);
 		DRM_ERROR("Skip scheduling IBs!\n");
 	} else {
 		r = amdgpu_ib_schedule(job->ring, job->num_ibs, job->ibs, job,
--
2.7.4

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