Tried but still fail. Meanwhile I also think it’s not good to disable device 
here since we only redo the amdgpu_device_init for exclusive mode timeout.

— 
Sincerely Yours,
Pixel








On 24/10/2017, 11:03 AM, "Liu, Monk" <monk....@amd.com> wrote:

>Can you try call pci_disable_device once you found init failed, and make sure 
>it is called before re-init 
>
>
>-----Original Message-----
>From: Ding, Pixel 
>Sent: 2017年10月24日 9:31
>To: Liu, Monk <monk....@amd.com>; amd-gfx@lists.freedesktop.org; Xiao, Jack 
><jack.x...@amd.com>
>Cc: Sun, Gary <gary....@amd.com>; Li, Bingley <bingley...@amd.com>
>Subject: Re: [PATCH 5/7] drm/amdgpu: don't disable MSI for GPU virtual function
>
>Tested with 5248e3d9, however issue is still reproduced in reinit case.
>
>+Jack,
>To bypass MSI enable/disable for reinit, any comment?
>— 
>Sincerely Yours,
>Pixel
>
>
>
>
>
>
>
>On 23/10/2017, 6:57 PM, "Liu, Monk" <monk....@amd.com> wrote:
>
>>Please check commit "5248e3d9", your issue should already be fixed by that 
>>patch, please verify
>>
>>-----Original Message-----
>>From: amd-gfx [mailto:amd-gfx-boun...@lists.freedesktop.org] On Behalf Of 
>>Pixel Ding
>>Sent: 2017年10月23日 18:04
>>To: amd-gfx@lists.freedesktop.org
>>Cc: Sun, Gary <gary....@amd.com>; Ding, Pixel <pixel.d...@amd.com>; Li, 
>>Bingley <bingley...@amd.com>
>>Subject: [PATCH 5/7] drm/amdgpu: don't disable MSI for GPU virtual function
>>
>>From: pding <pixel.d...@amd.com>
>>
>>After calling pci_disable_msi() and pci_enable_msi(), VF can't receive 
>>interrupt anymore. This may introduce problems in module reloading or 
>>retrying init.
>>
>>Signed-off-by: pding <pixel.d...@amd.com>
>>---
>> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 5 ++---
>> 1 file changed, 2 insertions(+), 3 deletions(-)
>>
>>diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c 
>>b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>index c2d8255..a3314b5 100644
>>--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>@@ -229,8 +229,7 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
>>      adev->irq.msi_enabled = false;
>> 
>>      if (amdgpu_msi_ok(adev)) {
>>-             int ret = pci_enable_msi(adev->pdev);
>>-             if (!ret) {
>>+             if (adev->pdev->msi_enabled || !pci_enable_msi(adev->pdev)) {
>>                      adev->irq.msi_enabled = true;
>>                      INIT_DEV_INFO(adev->dev, "amdgpu: using MSI.\n");
>>              }
>>@@ -280,7 +279,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
>>      if (adev->irq.installed) {
>>              drm_irq_uninstall(adev->ddev);
>>              adev->irq.installed = false;
>>-             if (adev->irq.msi_enabled)
>>+             if (adev->irq.msi_enabled && !amdgpu_sriov_vf(adev))
>>                      pci_disable_msi(adev->pdev);
>>              flush_work(&adev->hotplug_work);
>>              cancel_work_sync(&adev->reset_work);
>>--
>>2.9.5
>>
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