[RFC][PATCH] gpu:drm:i915:intel_detect_pch: back to check devfn instead of check class type

2014-07-02 Thread Chen, Tiejun
On 2014/7/2 14:21, Michael S. Tsirkin wrote: > On Thu, Jun 19, 2014 at 05:53:51PM +0800, Tiejun Chen wrote: >> Originally the reason to probe ISA bridge instead of Dev31:Fun0 >> is to make graphics device passthrough work easy for VMM, that >> only need to expose ISA bridge to let driver know the r

[RFC][PATCH] gpu:drm:i915:intel_detect_pch: back to check devfn instead of check class type

2014-07-01 Thread Chen, Tiejun
On 2014/6/30 19:18, Michael S. Tsirkin wrote: > On Thu, Jun 19, 2014 at 05:53:51PM +0800, Tiejun Chen wrote: >> Originally the reason to probe ISA bridge instead of Dev31:Fun0 >> is to make graphics device passthrough work easy for VMM, that >> only need to expose ISA bridge to let driver know the

[RFC][PATCH] gpu:drm:i915:intel_detect_pch: back to check devfn instead of check class type

2014-06-30 Thread Chen, Tiejun
On 2014/6/25 15:55, Paolo Bonzini wrote: > Il 25/06/2014 09:34, Chen, Tiejun ha scritto: >> On 2014/6/25 14:48, Paolo Bonzini wrote: >>> Second problem. Your IGD passthrough code currently works with QEMU's >>> PIIX4-based machine. But what happens if you try

[RFC][PATCH] gpu:drm:i915:intel_detect_pch: back to check devfn instead of check class type

2014-06-25 Thread Chen, Tiejun
On 2014/6/25 14:48, Paolo Bonzini wrote: > Il 22/06/2014 10:25, Chen, Tiejun ha scritto: >> In qemu-upstream, as you commented we can't create this as a ISA class >> type explicitly. > > Note I didn't say that QEMU doesn't like having two ISA bridges. > >

[Intel-gfx] [RFC][PATCH] gpu:drm:i915:intel_detect_pch: back to check devfn instead of check class type

2014-06-25 Thread Chen, Tiejun
On 2014/6/24 10:59, Zhenyu Wang wrote: > On 2014.06.19 17:53:51 +0800, Tiejun Chen wrote: >> Originally the reason to probe ISA bridge instead of Dev31:Fun0 >> is to make graphics device passthrough work easy for VMM, that >> only need to expose ISA bridge to let driver know the real >> hardware un

[RFC][PATCH] gpu:drm:i915:intel_detect_pch: back to check devfn instead of check class type

2014-06-22 Thread Chen, Tiejun
On 2014/6/20 20:48, Paolo Bonzini wrote: > Il 19/06/2014 11:53, Tiejun Chen ha scritto: >> so this mean that isa bridge is still represented with Dev31:Func0 >> like the native OS. Furthermore, currently we're pushing VGA >> passthrough support into qemu upstream, and with some discussion, >> we wo

[RFC][PATCH] gpu:drm:i915:intel_detect_pch: back to check devfn instead of check class type

2014-06-22 Thread Chen, Tiejun
l > > On Fri, Jun 20, 2014 at 11:40 AM, Chen, Tiejun > wrote: >> Just ping, any comments? >> >> Thanks >> Tiejun >> >> >> On 2014/6/19 17:53, Tiejun Chen wrote: >>> >>> Originally the reason to probe ISA bridge instead of Dev31:Fu

[RFC][PATCH] gpu:drm:i915:intel_detect_pch: back to check devfn instead of check class type

2014-06-20 Thread Chen, Tiejun
Just ping, any comments? Thanks Tiejun On 2014/6/19 17:53, Tiejun Chen wrote: > Originally the reason to probe ISA bridge instead of Dev31:Fun0 > is to make graphics device passthrough work easy for VMM, that > only need to expose ISA bridge to let driver know the real > hardware underneath. This