[PATCH] drm/amdgpu: for sriov timeout is still enforced on compute rings

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Yes, of course. I have sent out a new patch with the code cleaned.

Regards,
Evan
From: Christian König [mailto:ckoenig.leichtzumerken@xxxxxxxxx]
Sent: Tuesday, March 27, 2018 3:52 PM
To: Quan, Evan <Evan.Quan at amd.com>; amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Liu, Monk <Monk.Liu at amd.com>
Subject: Re: [PATCH] drm/amdgpu: for sriov timeout is still enforced on compute rings

Am 27.03.2018 um 08:46 schrieb Evan Quan:

Sriov still wants these error messags on timeout. So, for sriov

use case, the timeout setting on compute rings is kept.



Change-Id: Id0af6959a8023c8d683ff680de7c583f84cfeab3

Signed-off-by: Evan Quan <evan.quan at amd.com><mailto:evan.quan at amd.com>

---

 drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 3 ++-

 1 file changed, 2 insertions(+), 1 deletion(-)



diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c

index 455a81e..2cc5a75 100644

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c

+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c

@@ -435,7 +435,8 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,

        if (ring->funcs->type != AMDGPU_RING_TYPE_KIQ) {

                r = drm_sched_init(&ring->sched, &amdgpu_sched_ops,

                                  num_hw_submission, amdgpu_job_hang_limit,

-                                 (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) ?

+                                 /* for non-sriov case, no timeout enforce on compute ring */

+                                 ((ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) && !amdgpu_sriov_vf(ring->adev)) ?

This starts to look a bit messy, can you add a local variable and separate the exceptions, e.g. something like:

long timeout = msecs_to_jiffies(amdgpu_lockup_timeout);

if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) && !amdgpu_sriov_vf(ring->adev))
    timeout = MAX_SCHEDULE_TIMEOUT;

....

Apart from that the patch looks good to me,
Christian.



                                  MAX_SCHEDULE_TIMEOUT : msecs_to_jiffies(amdgpu_lockup_timeout),

                                  ring->name);

                if (r) {

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