[PATCH] drm/amdgpu: drop the incorrect soft_reset for SRIOV

[PATCH] drm/amdgpu: drop the incorrect soft_reset for SRIOV

[Monk Liu]

It's incorrect to do soft reset for SRIOV, when GFX
hang the WREG would stuck there becuase it goes KIQ way.

the GPU reset counter is incorrect: always increase twice
for each timedout

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 8f5026c..ff6976e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -399,7 +399,7 @@ bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,
 {
 	ktime_t deadline = ktime_add_us(ktime_get(), 10000);
 
-	if (!ring->funcs->soft_recovery || !fence)
+	if (amdgpu_sriov_vf(ring->adev) || !ring->funcs->soft_recovery || !fence)
 		return false;
 
 	atomic_inc(&ring->adev->gpu_reset_counter);
-- 
2.7.4

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Re: [PATCH] drm/amdgpu: drop the incorrect soft_reset for SRIOV

[Deucher, Alexander]

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Reviewed-by: Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>
________________________________
From: amd-gfx <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> on behalf of Monk Liu <Monk.Liu-5C7GfCeVMHo@public.gmane.org>
Sent: Monday, June 10, 2019 2:37 AM
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Liu, Monk
Subject: [PATCH] drm/amdgpu: drop the incorrect soft_reset for SRIOV

It's incorrect to do soft reset for SRIOV, when GFX
hang the WREG would stuck there becuase it goes KIQ way.

the GPU reset counter is incorrect: always increase twice
for each timedout

Signed-off-by: Monk Liu <Monk.Liu-5C7GfCeVMHo@public.gmane.org>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 8f5026c..ff6976e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -399,7 +399,7 @@ bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,
 {
         ktime_t deadline = ktime_add_us(ktime_get(), 10000);

-       if (!ring->funcs->soft_recovery || !fence)
+       if (amdgpu_sriov_vf(ring->adev) || !ring->funcs->soft_recovery || !fence)
                 return false;

         atomic_inc(&ring->adev->gpu_reset_counter);
--
2.7.4

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