Re: [Intel-gfx] [PATCH] i915: Add module option to support VGA arbiter on HD devices

2014-05-16 Thread Alex Williamson
On Fri, 2014-05-16 at 11:06 +0200, Daniel Vetter wrote: > On Thu, May 15, 2014 at 10:46:50PM -0600, Alex Williamson wrote: > > On Fri, 2014-05-16 at 00:50 +0200, Daniel Vetter wrote: > > > On Thu, May 15, 2014 at 11:43 PM, Alex Williamson > > > wrote: > > > > I don't know what to do with this. It

Re: [Intel-gfx] [PATCH] i915: Add module option to support VGA arbiter on HD devices

2014-05-16 Thread Daniel Vetter
On Thu, May 15, 2014 at 10:46:50PM -0600, Alex Williamson wrote: > On Fri, 2014-05-16 at 00:50 +0200, Daniel Vetter wrote: > > On Thu, May 15, 2014 at 11:43 PM, Alex Williamson > > wrote: > > > I don't know what to do with this. It seems like a lot of wishful > > > thinking that in the best case

Re: [Intel-gfx] [PATCH] i915: Add module option to support VGA arbiter on HD devices

2014-05-15 Thread Alex Williamson
On Fri, 2014-05-16 at 00:50 +0200, Daniel Vetter wrote: > On Thu, May 15, 2014 at 11:43 PM, Alex Williamson > wrote: > > I don't know what to do with this. It seems like a lot of wishful > > thinking that in the best case would drag on for years. Even if we get > > VGA arbitration out of Xorg, t

Re: [Intel-gfx] [PATCH] i915: Add module option to support VGA arbiter on HD devices

2014-05-15 Thread Daniel Vetter
On Thu, May 15, 2014 at 11:43 PM, Alex Williamson wrote: > I don't know what to do with this. It seems like a lot of wishful > thinking that in the best case would drag on for years. Even if we get > VGA arbitration out of Xorg, the bit about making the userspace VGA > arbiter interface lie depe

Re: [Intel-gfx] [PATCH] i915: Add module option to support VGA arbiter on HD devices

2014-05-15 Thread Alex Williamson
On Mon, 2014-05-12 at 21:38 +0200, Daniel Vetter wrote: > On Mon, May 12, 2014 at 01:30:39PM -0600, Alex Williamson wrote: > > On Mon, 2014-05-12 at 21:08 +0200, Daniel Vetter wrote: > > > On Fri, May 09, 2014 at 02:20:41PM -0600, Alex Williamson wrote: > > > > Commit 81b5c7bc found that the curren

Re: [Intel-gfx] [PATCH] i915: Add module option to support VGA arbiter on HD devices

2014-05-12 Thread Daniel Vetter
On Mon, May 12, 2014 at 01:30:39PM -0600, Alex Williamson wrote: > On Mon, 2014-05-12 at 21:08 +0200, Daniel Vetter wrote: > > On Fri, May 09, 2014 at 02:20:41PM -0600, Alex Williamson wrote: > > > Commit 81b5c7bc found that the current VGA arbiter support in i915 > > > only works for ancient GMCH-

Re: [Intel-gfx] [PATCH] i915: Add module option to support VGA arbiter on HD devices

2014-05-12 Thread Alex Williamson
On Mon, 2014-05-12 at 21:08 +0200, Daniel Vetter wrote: > On Fri, May 09, 2014 at 02:20:41PM -0600, Alex Williamson wrote: > > Commit 81b5c7bc found that the current VGA arbiter support in i915 > > only works for ancient GMCH-based IGD devices and attempted to update > > support for newer HD device

Re: [Intel-gfx] [PATCH] i915: Add module option to support VGA arbiter on HD devices

2014-05-12 Thread Daniel Vetter
On Fri, May 09, 2014 at 02:20:41PM -0600, Alex Williamson wrote: > Commit 81b5c7bc found that the current VGA arbiter support in i915 > only works for ancient GMCH-based IGD devices and attempted to update > support for newer HD devices. Unfortunately newer devices cannot > completely opt-out of V

[Intel-gfx] [PATCH] i915: Add module option to support VGA arbiter on HD devices

2014-05-09 Thread Alex Williamson
Commit 81b5c7bc found that the current VGA arbiter support in i915 only works for ancient GMCH-based IGD devices and attempted to update support for newer HD devices. Unfortunately newer devices cannot completely opt-out of VGA arbitration like the old devices could. The VGA I/O space cannot be di