drm/amdgpu: Increase reset counter only on success

Increment the reset counter only if soft recovery succeeded. This is
consistent with a ring hard reset behaviour where counter gets
incremented only if hard reset succeeded.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 25c314a)
Cc: stable@vger.kernel.org

Author: Lijo Lazar

drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c

@@ -427,6 +427,7 @@ bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,
 {
 	unsigned long flags;
 	ktime_t deadline;
+	bool ret;
 
 	if (unlikely(ring->adev->debug_disable_soft_recovery))
 		return false;
@@ -441,12 +442,16 @@ bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,
 		dma_fence_set_error(fence, -ENODATA);
 	spin_unlock_irqrestore(fence->lock, flags);
 
-	atomic_inc(&ring->adev->gpu_reset_counter);
 	while (!dma_fence_is_signaled(fence) &&
 	       ktime_to_ns(ktime_sub(deadline, ktime_get())) > 0)
 		ring->funcs->soft_recovery(ring, vmid);
 
-	return dma_fence_is_signaled(fence);
+	ret = dma_fence_is_signaled(fence);
+	/* increment the counter only if soft reset worked */
+	if (ret)
+		atomic_inc(&ring->adev->gpu_reset_counter);
+
+	return ret;
 }
 
 /*