On Thu, Jun 15, 2017 at 11:11:45AM +0800, Xiong Zhang wrote:
> In a IGD passthrough environment, the real ISA bridge may doesn't exist.
> then pch_id couldn't be correctly gotten from ISA bridge, but pch_id is
> used to identify LPT_H and LPT_LP. Currently i915 treat all LPT pch as
> LPT_H,then err
> On Thu, 29 Jun 2017, Daniel Vetter wrote:
> > On Thu, Jun 15, 2017 at 11:11:45AM +0800, Xiong Zhang wrote:
> >> In a IGD passthrough environment, the real ISA bridge may doesn't exist.
> >> then pch_id couldn't be correctly gotten from ISA bridge, but pch_id is
> >> used to identify LPT_H and LP
On Thu, Jun 29, 2017 at 06:22:45PM +0300, Jani Nikula wrote:
> On Thu, 29 Jun 2017, Daniel Vetter wrote:
> > On Thu, Jun 15, 2017 at 11:11:45AM +0800, Xiong Zhang wrote:
> >> In a IGD passthrough environment, the real ISA bridge may doesn't exist.
> >> then pch_id couldn't be correctly gotten from
On Thu, 29 Jun 2017, Daniel Vetter wrote:
> On Thu, Jun 15, 2017 at 11:11:45AM +0800, Xiong Zhang wrote:
>> In a IGD passthrough environment, the real ISA bridge may doesn't exist.
>> then pch_id couldn't be correctly gotten from ISA bridge, but pch_id is
>> used to identify LPT_H and LPT_LP. Curr
On Thu, Jun 15, 2017 at 11:11:45AM +0800, Xiong Zhang wrote:
> In a IGD passthrough environment, the real ISA bridge may doesn't exist.
> then pch_id couldn't be correctly gotten from ISA bridge, but pch_id is
> used to identify LPT_H and LPT_LP. Currently i915 treat all LPT pch as
> LPT_H,then err
On Thu, 15 Jun 2017, Xiong Zhang wrote:
> In a IGD passthrough environment, the real ISA bridge may doesn't exist.
> then pch_id couldn't be correctly gotten from ISA bridge, but pch_id is
> used to identify LPT_H and LPT_LP. Currently i915 treat all LPT pch as
> LPT_H,then errors occur when i915
On Thu, Jun 15, 2017 at 05:21:23AM +0300, Zhang, Xiong Y wrote:
> [...]
> > Also, unrelated to the pass-through case, the HAS_PCH_CNP_LP() macro
> > looks bogus, it checks only 8 bits of the PCI device ID instead of 9, so
> > it'll be false on CNP_LP platforms (and true on SPT_LP).
> [Zhang, Xiong
> On Thu, Jun 15, 2017 at 11:11:45AM +0800, Xiong Zhang wrote:
> > In a IGD passthrough environment, the real ISA bridge may doesn't exist.
> > then pch_id couldn't be correctly gotten from ISA bridge, but pch_id is
> > used to identify LPT_H and LPT_LP. Currently i915 treat all LPT pch as
> > LPT_
On Thu, Jun 15, 2017 at 11:11:45AM +0800, Xiong Zhang wrote:
> In a IGD passthrough environment, the real ISA bridge may doesn't exist.
> then pch_id couldn't be correctly gotten from ISA bridge, but pch_id is
> used to identify LPT_H and LPT_LP. Currently i915 treat all LPT pch as
> LPT_H,then err
In a IGD passthrough environment, the real ISA bridge may doesn't exist.
then pch_id couldn't be correctly gotten from ISA bridge, but pch_id is
used to identify LPT_H and LPT_LP. Currently i915 treat all LPT pch as
LPT_H,then errors occur when i915 runs on LPT_LP machines with igd
passthrough.
Th
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