Re: [Intel-gfx] [PATCH v5] vfio/pci: Add support for opregion v2.1+

2021-04-06 Thread Alex Williamson
On Fri, 26 Mar 2021 01:09:53 +0800 Fred Gao wrote: > Before opregion version 2.0 VBT data is stored in opregion mailbox #4, > but when VBT data exceeds 6KB size and cannot be within mailbox #4 > then from opregion v2.0+, Extended VBT region, next to opregion is > used to hold the VBT data, so the

Re: [Intel-gfx] [PATCH v5] vfio/pci: Add support for opregion v2.1+

2021-03-30 Thread Zhenyu Wang
On 2021.03.26 01:09:53 +0800, Fred Gao wrote: > Before opregion version 2.0 VBT data is stored in opregion mailbox #4, > but when VBT data exceeds 6KB size and cannot be within mailbox #4 > then from opregion v2.0+, Extended VBT region, next to opregion is > used to hold the VBT data, so the total

[Intel-gfx] [PATCH v5] vfio/pci: Add support for opregion v2.1+

2021-03-25 Thread Fred Gao
Before opregion version 2.0 VBT data is stored in opregion mailbox #4, but when VBT data exceeds 6KB size and cannot be within mailbox #4 then from opregion v2.0+, Extended VBT region, next to opregion is used to hold the VBT data, so the total size will be opregion size plus extended VBT region si