* [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 6:23 ` Emily Deng
0 siblings, 0 replies; 14+ messages in thread
From: Emily Deng @ 2019-11-06 6:23 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Emily Deng
For driver reload test, it will report "can't enable
MSI (MSI-X already enabled)".
Signed-off-by: Emily Deng <Emily.Deng@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 6f3b03f..30d540d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -311,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
drm_irq_uninstall(adev->ddev);
adev->irq.installed = false;
if (adev->irq.msi_enabled)
- pci_disable_msi(adev->pdev);
+ pci_free_irq_vectors(adev->pdev);
if (!amdgpu_device_has_dc_support(adev))
flush_work(&adev->hotplug_work);
}
--
2.7.4
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amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 6:23 ` Emily Deng
0 siblings, 0 replies; 14+ messages in thread
From: Emily Deng @ 2019-11-06 6:23 UTC (permalink / raw)
To: amd-gfx; +Cc: Emily Deng
For driver reload test, it will report "can't enable
MSI (MSI-X already enabled)".
Signed-off-by: Emily Deng <Emily.Deng@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 6f3b03f..30d540d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -311,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
drm_irq_uninstall(adev->ddev);
adev->irq.installed = false;
if (adev->irq.msi_enabled)
- pci_disable_msi(adev->pdev);
+ pci_free_irq_vectors(adev->pdev);
if (!amdgpu_device_has_dc_support(adev))
flush_work(&adev->hotplug_work);
}
--
2.7.4
_______________________________________________
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amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 14+ messages in thread
* RE: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 6:28 ` Deng, Emily
0 siblings, 0 replies; 14+ messages in thread
From: Deng, Emily @ 2019-11-06 6:28 UTC (permalink / raw)
To: Deng, Emily, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
Hi all,
Please help to review this. This is to fix driver reload issue.
Best wishes
Emily Deng
>-----Original Message-----
>From: Emily Deng <Emily.Deng@amd.com>
>Sent: Wednesday, November 6, 2019 2:24 PM
>To: amd-gfx@lists.freedesktop.org
>Cc: Deng, Emily <Emily.Deng@amd.com>
>Subject: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
>
>For driver reload test, it will report "can't enable MSI (MSI-X already enabled)".
>
>Signed-off-by: Emily Deng <Emily.Deng@amd.com>
>---
> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>index 6f3b03f..30d540d 100644
>--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>@@ -311,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
> drm_irq_uninstall(adev->ddev);
> adev->irq.installed = false;
> if (adev->irq.msi_enabled)
>- pci_disable_msi(adev->pdev);
>+ pci_free_irq_vectors(adev->pdev);
> if (!amdgpu_device_has_dc_support(adev))
> flush_work(&adev->hotplug_work);
> }
>--
>2.7.4
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https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 14+ messages in thread
* RE: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 6:28 ` Deng, Emily
0 siblings, 0 replies; 14+ messages in thread
From: Deng, Emily @ 2019-11-06 6:28 UTC (permalink / raw)
To: Deng, Emily, amd-gfx
Hi all,
Please help to review this. This is to fix driver reload issue.
Best wishes
Emily Deng
>-----Original Message-----
>From: Emily Deng <Emily.Deng@amd.com>
>Sent: Wednesday, November 6, 2019 2:24 PM
>To: amd-gfx@lists.freedesktop.org
>Cc: Deng, Emily <Emily.Deng@amd.com>
>Subject: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
>
>For driver reload test, it will report "can't enable MSI (MSI-X already enabled)".
>
>Signed-off-by: Emily Deng <Emily.Deng@amd.com>
>---
> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>index 6f3b03f..30d540d 100644
>--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>@@ -311,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
> drm_irq_uninstall(adev->ddev);
> adev->irq.installed = false;
> if (adev->irq.msi_enabled)
>- pci_disable_msi(adev->pdev);
>+ pci_free_irq_vectors(adev->pdev);
> if (!amdgpu_device_has_dc_support(adev))
> flush_work(&adev->hotplug_work);
> }
>--
>2.7.4
_______________________________________________
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amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 9:31 ` Christian König
0 siblings, 0 replies; 14+ messages in thread
From: Christian König @ 2019-11-06 9:31 UTC (permalink / raw)
To: Deng, Emily, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
Not an expert on the PCI IRQ stuff, but from what I know that looks
correct to me.
Only question I can see is why don't we use pci_alloc_irq_vectors()?
Alex probably needs to take a look.
Regards,
Christian.
Am 06.11.19 um 07:28 schrieb Deng, Emily:
> Hi all,
> Please help to review this. This is to fix driver reload issue.
>
> Best wishes
> Emily Deng
>
>
>> -----Original Message-----
>> From: Emily Deng <Emily.Deng@amd.com>
>> Sent: Wednesday, November 6, 2019 2:24 PM
>> To: amd-gfx@lists.freedesktop.org
>> Cc: Deng, Emily <Emily.Deng@amd.com>
>> Subject: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
>>
>> For driver reload test, it will report "can't enable MSI (MSI-X already enabled)".
>>
>> Signed-off-by: Emily Deng <Emily.Deng@amd.com>
>> ---
>> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> index 6f3b03f..30d540d 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> @@ -311,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
>> drm_irq_uninstall(adev->ddev);
>> adev->irq.installed = false;
>> if (adev->irq.msi_enabled)
>> - pci_disable_msi(adev->pdev);
>> + pci_free_irq_vectors(adev->pdev);
>> if (!amdgpu_device_has_dc_support(adev))
>> flush_work(&adev->hotplug_work);
>> }
>> --
>> 2.7.4
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 9:31 ` Christian König
0 siblings, 0 replies; 14+ messages in thread
From: Christian König @ 2019-11-06 9:31 UTC (permalink / raw)
To: Deng, Emily, amd-gfx
Not an expert on the PCI IRQ stuff, but from what I know that looks
correct to me.
Only question I can see is why don't we use pci_alloc_irq_vectors()?
Alex probably needs to take a look.
Regards,
Christian.
Am 06.11.19 um 07:28 schrieb Deng, Emily:
> Hi all,
> Please help to review this. This is to fix driver reload issue.
>
> Best wishes
> Emily Deng
>
>
>> -----Original Message-----
>> From: Emily Deng <Emily.Deng@amd.com>
>> Sent: Wednesday, November 6, 2019 2:24 PM
>> To: amd-gfx@lists.freedesktop.org
>> Cc: Deng, Emily <Emily.Deng@amd.com>
>> Subject: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
>>
>> For driver reload test, it will report "can't enable MSI (MSI-X already enabled)".
>>
>> Signed-off-by: Emily Deng <Emily.Deng@amd.com>
>> ---
>> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> index 6f3b03f..30d540d 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>> @@ -311,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
>> drm_irq_uninstall(adev->ddev);
>> adev->irq.installed = false;
>> if (adev->irq.msi_enabled)
>> - pci_disable_msi(adev->pdev);
>> + pci_free_irq_vectors(adev->pdev);
>> if (!amdgpu_device_has_dc_support(adev))
>> flush_work(&adev->hotplug_work);
>> }
>> --
>> 2.7.4
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 14+ messages in thread
* RE: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 10:09 ` Deng, Emily
0 siblings, 0 replies; 14+ messages in thread
From: Deng, Emily @ 2019-11-06 10:09 UTC (permalink / raw)
To: Koenig, Christian, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW,
Deucher, Alexander
Hi Christian,
We use " pci_alloc_irq_vectors " in amdgpu_irq_init. This patch use " pci_free_irq_vectors " in amdgpu_irq_fini.
Hi Alex,
Could you help to review this?
Best wishes
Emily Deng
>-----Original Message-----
>From: Christian König <ckoenig.leichtzumerken@gmail.com>
>Sent: Wednesday, November 6, 2019 5:32 PM
>To: Deng, Emily <Emily.Deng@amd.com>; amd-gfx@lists.freedesktop.org
>Subject: Re: [PATCH] drm/amdgpu: Need to disable msix when unloading
>driver
>
>Not an expert on the PCI IRQ stuff, but from what I know that looks correct to
>me.
>
>Only question I can see is why don't we use pci_alloc_irq_vectors()?
>Alex probably needs to take a look.
>
>Regards,
>Christian.
>
>Am 06.11.19 um 07:28 schrieb Deng, Emily:
>> Hi all,
>> Please help to review this. This is to fix driver reload issue.
>>
>> Best wishes
>> Emily Deng
>>
>>
>>> -----Original Message-----
>>> From: Emily Deng <Emily.Deng@amd.com>
>>> Sent: Wednesday, November 6, 2019 2:24 PM
>>> To: amd-gfx@lists.freedesktop.org
>>> Cc: Deng, Emily <Emily.Deng@amd.com>
>>> Subject: [PATCH] drm/amdgpu: Need to disable msix when unloading
>>> driver
>>>
>>> For driver reload test, it will report "can't enable MSI (MSI-X already
>enabled)".
>>>
>>> Signed-off-by: Emily Deng <Emily.Deng@amd.com>
>>> ---
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> index 6f3b03f..30d540d 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> @@ -311,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
>>> drm_irq_uninstall(adev->ddev);
>>> adev->irq.installed = false;
>>> if (adev->irq.msi_enabled)
>>> - pci_disable_msi(adev->pdev);
>>> + pci_free_irq_vectors(adev->pdev);
>>> if (!amdgpu_device_has_dc_support(adev))
>>> flush_work(&adev->hotplug_work);
>>> }
>>> --
>>> 2.7.4
>> _______________________________________________
>> amd-gfx mailing list
>> amd-gfx@lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 14+ messages in thread
* RE: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 10:09 ` Deng, Emily
0 siblings, 0 replies; 14+ messages in thread
From: Deng, Emily @ 2019-11-06 10:09 UTC (permalink / raw)
To: Koenig, Christian, amd-gfx, Deucher, Alexander
Hi Christian,
We use " pci_alloc_irq_vectors " in amdgpu_irq_init. This patch use " pci_free_irq_vectors " in amdgpu_irq_fini.
Hi Alex,
Could you help to review this?
Best wishes
Emily Deng
>-----Original Message-----
>From: Christian König <ckoenig.leichtzumerken@gmail.com>
>Sent: Wednesday, November 6, 2019 5:32 PM
>To: Deng, Emily <Emily.Deng@amd.com>; amd-gfx@lists.freedesktop.org
>Subject: Re: [PATCH] drm/amdgpu: Need to disable msix when unloading
>driver
>
>Not an expert on the PCI IRQ stuff, but from what I know that looks correct to
>me.
>
>Only question I can see is why don't we use pci_alloc_irq_vectors()?
>Alex probably needs to take a look.
>
>Regards,
>Christian.
>
>Am 06.11.19 um 07:28 schrieb Deng, Emily:
>> Hi all,
>> Please help to review this. This is to fix driver reload issue.
>>
>> Best wishes
>> Emily Deng
>>
>>
>>> -----Original Message-----
>>> From: Emily Deng <Emily.Deng@amd.com>
>>> Sent: Wednesday, November 6, 2019 2:24 PM
>>> To: amd-gfx@lists.freedesktop.org
>>> Cc: Deng, Emily <Emily.Deng@amd.com>
>>> Subject: [PATCH] drm/amdgpu: Need to disable msix when unloading
>>> driver
>>>
>>> For driver reload test, it will report "can't enable MSI (MSI-X already
>enabled)".
>>>
>>> Signed-off-by: Emily Deng <Emily.Deng@amd.com>
>>> ---
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> index 6f3b03f..30d540d 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> @@ -311,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
>>> drm_irq_uninstall(adev->ddev);
>>> adev->irq.installed = false;
>>> if (adev->irq.msi_enabled)
>>> - pci_disable_msi(adev->pdev);
>>> + pci_free_irq_vectors(adev->pdev);
>>> if (!amdgpu_device_has_dc_support(adev))
>>> flush_work(&adev->hotplug_work);
>>> }
>>> --
>>> 2.7.4
>> _______________________________________________
>> amd-gfx mailing list
>> amd-gfx@lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 15:05 ` Deucher, Alexander
0 siblings, 0 replies; 14+ messages in thread
From: Deucher, Alexander @ 2019-11-06 15:05 UTC (permalink / raw)
To: Deng, Emily, Koenig, Christian, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
[-- Attachment #1.1: Type: text/plain, Size: 3078 bytes --]
Reviewed-by: Alex Deucher <alexander.deucher-5C7GfCeVMHo@public.gmane.org>
________________________________
From: Deng, Emily <Emily.Deng-5C7GfCeVMHo@public.gmane.org>
Sent: Wednesday, November 6, 2019 5:09 AM
To: Koenig, Christian <Christian.Koenig-5C7GfCeVMHo@public.gmane.org>; amd-gfx-PD4FTy7X32lNgt0PjOBp93gSJqDPrsil@public.gmane.org.org <amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>; Deucher, Alexander <Alexander.Deucher@amd.com>
Subject: RE: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
Hi Christian,
We use " pci_alloc_irq_vectors " in amdgpu_irq_init. This patch use " pci_free_irq_vectors " in amdgpu_irq_fini.
Hi Alex,
Could you help to review this?
Best wishes
Emily Deng
>-----Original Message-----
>From: Christian König <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
>Sent: Wednesday, November 6, 2019 5:32 PM
>To: Deng, Emily <Emily.Deng-5C7GfCeVMHo@public.gmane.org>; amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
>Subject: Re: [PATCH] drm/amdgpu: Need to disable msix when unloading
>driver
>
>Not an expert on the PCI IRQ stuff, but from what I know that looks correct to
>me.
>
>Only question I can see is why don't we use pci_alloc_irq_vectors()?
>Alex probably needs to take a look.
>
>Regards,
>Christian.
>
>Am 06.11.19 um 07:28 schrieb Deng, Emily:
>> Hi all,
>> Please help to review this. This is to fix driver reload issue.
>>
>> Best wishes
>> Emily Deng
>>
>>
>>> -----Original Message-----
>>> From: Emily Deng <Emily.Deng-5C7GfCeVMHo@public.gmane.org>
>>> Sent: Wednesday, November 6, 2019 2:24 PM
>>> To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
>>> Cc: Deng, Emily <Emily.Deng-5C7GfCeVMHo@public.gmane.org>
>>> Subject: [PATCH] drm/amdgpu: Need to disable msix when unloading
>>> driver
>>>
>>> For driver reload test, it will report "can't enable MSI (MSI-X already
>enabled)".
>>>
>>> Signed-off-by: Emily Deng <Emily.Deng-5C7GfCeVMHo@public.gmane.org>
>>> ---
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> index 6f3b03f..30d540d 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> @@ -311,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
>>> drm_irq_uninstall(adev->ddev);
>>> adev->irq.installed = false;
>>> if (adev->irq.msi_enabled)
>>> - pci_disable_msi(adev->pdev);
>>> + pci_free_irq_vectors(adev->pdev);
>>> if (!amdgpu_device_has_dc_support(adev))
>>> flush_work(&adev->hotplug_work);
>>> }
>>> --
>>> 2.7.4
>> _______________________________________________
>> amd-gfx mailing list
>> amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
[-- Attachment #1.2: Type: text/html, Size: 5292 bytes --]
[-- Attachment #2: Type: text/plain, Size: 153 bytes --]
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 14+ messages in thread
* Re: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 15:05 ` Deucher, Alexander
0 siblings, 0 replies; 14+ messages in thread
From: Deucher, Alexander @ 2019-11-06 15:05 UTC (permalink / raw)
To: Deng, Emily, Koenig, Christian, amd-gfx
[-- Attachment #1.1: Type: text/plain, Size: 2757 bytes --]
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
________________________________
From: Deng, Emily <Emily.Deng@amd.com>
Sent: Wednesday, November 6, 2019 5:09 AM
To: Koenig, Christian <Christian.Koenig@amd.com>; amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>; Deucher, Alexander <Alexander.Deucher@amd.com>
Subject: RE: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
Hi Christian,
We use " pci_alloc_irq_vectors " in amdgpu_irq_init. This patch use " pci_free_irq_vectors " in amdgpu_irq_fini.
Hi Alex,
Could you help to review this?
Best wishes
Emily Deng
>-----Original Message-----
>From: Christian König <ckoenig.leichtzumerken@gmail.com>
>Sent: Wednesday, November 6, 2019 5:32 PM
>To: Deng, Emily <Emily.Deng@amd.com>; amd-gfx@lists.freedesktop.org
>Subject: Re: [PATCH] drm/amdgpu: Need to disable msix when unloading
>driver
>
>Not an expert on the PCI IRQ stuff, but from what I know that looks correct to
>me.
>
>Only question I can see is why don't we use pci_alloc_irq_vectors()?
>Alex probably needs to take a look.
>
>Regards,
>Christian.
>
>Am 06.11.19 um 07:28 schrieb Deng, Emily:
>> Hi all,
>> Please help to review this. This is to fix driver reload issue.
>>
>> Best wishes
>> Emily Deng
>>
>>
>>> -----Original Message-----
>>> From: Emily Deng <Emily.Deng@amd.com>
>>> Sent: Wednesday, November 6, 2019 2:24 PM
>>> To: amd-gfx@lists.freedesktop.org
>>> Cc: Deng, Emily <Emily.Deng@amd.com>
>>> Subject: [PATCH] drm/amdgpu: Need to disable msix when unloading
>>> driver
>>>
>>> For driver reload test, it will report "can't enable MSI (MSI-X already
>enabled)".
>>>
>>> Signed-off-by: Emily Deng <Emily.Deng@amd.com>
>>> ---
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> index 6f3b03f..30d540d 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>>> @@ -311,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
>>> drm_irq_uninstall(adev->ddev);
>>> adev->irq.installed = false;
>>> if (adev->irq.msi_enabled)
>>> - pci_disable_msi(adev->pdev);
>>> + pci_free_irq_vectors(adev->pdev);
>>> if (!amdgpu_device_has_dc_support(adev))
>>> flush_work(&adev->hotplug_work);
>>> }
>>> --
>>> 2.7.4
>> _______________________________________________
>> amd-gfx mailing list
>> amd-gfx@lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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^ permalink raw reply [flat|nested] 14+ messages in thread
* RE: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 6:24 ` Deng, Emily
0 siblings, 0 replies; 14+ messages in thread
From: Deng, Emily @ 2019-11-06 6:24 UTC (permalink / raw)
To: Deng, Emily, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
Sorry, please ignore this, will send another patch later.
Best wishes
Emily Deng
>-----Original Message-----
>From: Emily Deng <Emily.Deng@amd.com>
>Sent: Wednesday, November 6, 2019 2:18 PM
>To: amd-gfx@lists.freedesktop.org
>Cc: Deng, Emily <Emily.Deng@amd.com>
>Subject: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
>
>For driver reload test, it will report "can't enable MSI (MSI-X already enabled)".
>
>Signed-off-by: Emily Deng <Emily.Deng@amd.com>
>---
> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
>diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>index 6040eb3..48d9cf0d 100644
>--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>@@ -325,7 +325,11 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
> drm_irq_uninstall(adev->ddev);
> adev->irq.installed = false;
> if (adev->irq.msi_enabled)
>+#ifdef PCI_IRQ_MSI
>+ pci_free_irq_vectors(adev->pdev);
>+#else
> pci_disable_msi(adev->pdev);
>+#endif
> if (!amdgpu_device_has_dc_support(adev))
> flush_work(&adev->hotplug_work);
> }
>--
>2.7.4
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^ permalink raw reply [flat|nested] 14+ messages in thread
* RE: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 6:24 ` Deng, Emily
0 siblings, 0 replies; 14+ messages in thread
From: Deng, Emily @ 2019-11-06 6:24 UTC (permalink / raw)
To: Deng, Emily, amd-gfx
Sorry, please ignore this, will send another patch later.
Best wishes
Emily Deng
>-----Original Message-----
>From: Emily Deng <Emily.Deng@amd.com>
>Sent: Wednesday, November 6, 2019 2:18 PM
>To: amd-gfx@lists.freedesktop.org
>Cc: Deng, Emily <Emily.Deng@amd.com>
>Subject: [PATCH] drm/amdgpu: Need to disable msix when unloading driver
>
>For driver reload test, it will report "can't enable MSI (MSI-X already enabled)".
>
>Signed-off-by: Emily Deng <Emily.Deng@amd.com>
>---
> drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
>diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>index 6040eb3..48d9cf0d 100644
>--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
>@@ -325,7 +325,11 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
> drm_irq_uninstall(adev->ddev);
> adev->irq.installed = false;
> if (adev->irq.msi_enabled)
>+#ifdef PCI_IRQ_MSI
>+ pci_free_irq_vectors(adev->pdev);
>+#else
> pci_disable_msi(adev->pdev);
>+#endif
> if (!amdgpu_device_has_dc_support(adev))
> flush_work(&adev->hotplug_work);
> }
>--
>2.7.4
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https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply [flat|nested] 14+ messages in thread
* [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 6:18 ` Emily Deng
0 siblings, 0 replies; 14+ messages in thread
From: Emily Deng @ 2019-11-06 6:18 UTC (permalink / raw)
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW; +Cc: Emily Deng
For driver reload test, it will report "can't enable
MSI (MSI-X already enabled)".
Signed-off-by: Emily Deng <Emily.Deng@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 6040eb3..48d9cf0d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -325,7 +325,11 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
drm_irq_uninstall(adev->ddev);
adev->irq.installed = false;
if (adev->irq.msi_enabled)
+#ifdef PCI_IRQ_MSI
+ pci_free_irq_vectors(adev->pdev);
+#else
pci_disable_msi(adev->pdev);
+#endif
if (!amdgpu_device_has_dc_support(adev))
flush_work(&adev->hotplug_work);
}
--
2.7.4
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 14+ messages in thread
* [PATCH] drm/amdgpu: Need to disable msix when unloading driver
@ 2019-11-06 6:18 ` Emily Deng
0 siblings, 0 replies; 14+ messages in thread
From: Emily Deng @ 2019-11-06 6:18 UTC (permalink / raw)
To: amd-gfx; +Cc: Emily Deng
For driver reload test, it will report "can't enable
MSI (MSI-X already enabled)".
Signed-off-by: Emily Deng <Emily.Deng@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 6040eb3..48d9cf0d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -325,7 +325,11 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
drm_irq_uninstall(adev->ddev);
adev->irq.installed = false;
if (adev->irq.msi_enabled)
+#ifdef PCI_IRQ_MSI
+ pci_free_irq_vectors(adev->pdev);
+#else
pci_disable_msi(adev->pdev);
+#endif
if (!amdgpu_device_has_dc_support(adev))
flush_work(&adev->hotplug_work);
}
--
2.7.4
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
^ permalink raw reply related [flat|nested] 14+ messages in thread
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2019-11-06 6:23 [PATCH] drm/amdgpu: Need to disable msix when unloading driver Emily Deng
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2019-11-06 6:28 ` Deng, Emily
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2019-11-06 9:31 ` Christian König
2019-11-06 9:31 ` Christian König
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2019-11-06 10:09 ` Deng, Emily
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2019-11-06 15:05 ` Deucher, Alexander
2019-11-06 15:05 ` Deucher, Alexander
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2019-11-06 6:18 Emily Deng
2019-11-06 6:18 ` Emily Deng
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2019-11-06 6:24 ` Deng, Emily
2019-11-06 6:24 ` Deng, Emily
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