[PATCH] drm/radeon: fix asic initialization for virtualized environments

2016-06-16 Thread Rodriguez, Andres
> -Original Message- > From: Alex Deucher [mailto:alexdeucher at gmail.com] > Sent: June-15-16 1:00 PM > To: Alex Williamson > Cc: Maling list - DRI developers; Deucher, Alexander; Rodriguez, Andres; for > 3.8 > Subject: Re: [PATCH] drm/radeon: fix asic initializ

[PATCH] drm/radeon: fix asic initialization for virtualized environments

2016-06-15 Thread Alex Deucher
On Wed, Jun 15, 2016 at 12:45 PM, Alex Williamson wrote: > On Wed, 15 Jun 2016 02:23:37 -0400 > Alex Deucher wrote: > >> On Mon, Jun 13, 2016 at 4:10 PM, Alex Williamson >> wrote: >> > On Mon, 13 Jun 2016 15:45:20 -0400 >> > Alex Deucher wrote: >> > >> >> When executing in a PCI passthrough bas

[PATCH] drm/radeon: fix asic initialization for virtualized environments

2016-06-15 Thread Alex Williamson
On Wed, 15 Jun 2016 02:23:37 -0400 Alex Deucher wrote: > On Mon, Jun 13, 2016 at 4:10 PM, Alex Williamson > wrote: > > On Mon, 13 Jun 2016 15:45:20 -0400 > > Alex Deucher wrote: > > > >> When executing in a PCI passthrough based virtuzliation environment, the > >> hypervisor will usually atte

[PATCH] drm/radeon: fix asic initialization for virtualized environments

2016-06-15 Thread Alex Deucher
On Mon, Jun 13, 2016 at 4:10 PM, Alex Williamson wrote: > On Mon, 13 Jun 2016 15:45:20 -0400 > Alex Deucher wrote: > >> When executing in a PCI passthrough based virtuzliation environment, the >> hypervisor will usually attempt to send a PCIe bus reset signal to the >> ASIC when the VM reboots. I

[PATCH] drm/radeon: fix asic initialization for virtualized environments

2016-06-13 Thread Alex Deucher
When executing in a PCI passthrough based virtuzliation environment, the hypervisor will usually attempt to send a PCIe bus reset signal to the ASIC when the VM reboots. In this scenario, the card is not correctly initialized, but we still consider it to be posted. Therefore, in a passthrough based

[PATCH] drm/radeon: fix asic initialization for virtualized environments

2016-06-13 Thread Alex Williamson
On Mon, 13 Jun 2016 15:45:20 -0400 Alex Deucher wrote: > When executing in a PCI passthrough based virtuzliation environment, the > hypervisor will usually attempt to send a PCIe bus reset signal to the > ASIC when the VM reboots. In this scenario, the card is not correctly > initialized, but we