Re: [PATCH v2] drm/i915: Invoke BXT _DSM to enable MUX on HP Workstation laptops

2021-04-26 Thread Ville Syrjälä
On Mon, Apr 26, 2021 at 07:10:06PM +0800, Kai-Heng Feng wrote: > On Fri, Apr 23, 2021 at 8:41 PM Ville Syrjälä > wrote: > > > > On Fri, Apr 23, 2021 at 12:46:54PM +0800, Kai-Heng Feng wrote: > > > On HP Fury G7 Workstations, graphics output is re-routed from Intel GFX > > > to discrete GFX after

Re: [PATCH v2] drm/i915: Invoke BXT _DSM to enable MUX on HP Workstation laptops

2021-04-26 Thread Jani Nikula
On Mon, 26 Apr 2021, Kai-Heng Feng wrote: > On Fri, Apr 23, 2021 at 3:35 PM Jani Nikula > wrote: >> >> On Fri, 23 Apr 2021, Kai-Heng Feng wrote: >> > On HP Fury G7 Workstations, graphics output is re-routed from Intel GFX >> > to discrete GFX after S3. This is not desirable, because userspace

Re: [PATCH v2] drm/i915: Invoke BXT _DSM to enable MUX on HP Workstation laptops

2021-04-26 Thread Kai-Heng Feng
On Fri, Apr 23, 2021 at 8:41 PM Ville Syrjälä wrote: > > On Fri, Apr 23, 2021 at 12:46:54PM +0800, Kai-Heng Feng wrote: > > On HP Fury G7 Workstations, graphics output is re-routed from Intel GFX > > to discrete GFX after S3. This is not desirable, because userspace will > > treat connected

Re: [PATCH v2] drm/i915: Invoke BXT _DSM to enable MUX on HP Workstation laptops

2021-04-26 Thread Kai-Heng Feng
On Fri, Apr 23, 2021 at 3:35 PM Jani Nikula wrote: > > On Fri, 23 Apr 2021, Kai-Heng Feng wrote: > > On HP Fury G7 Workstations, graphics output is re-routed from Intel GFX > > to discrete GFX after S3. This is not desirable, because userspace will > > treat connected display as a new one,

Re: [PATCH v2] drm/i915: Invoke BXT _DSM to enable MUX on HP Workstation laptops

2021-04-23 Thread Ville Syrjälä
On Fri, Apr 23, 2021 at 12:46:54PM +0800, Kai-Heng Feng wrote: > On HP Fury G7 Workstations, graphics output is re-routed from Intel GFX > to discrete GFX after S3. This is not desirable, because userspace will > treat connected display as a new one, losing display settings. > > The expected

Re: [PATCH v2] drm/i915: Invoke BXT _DSM to enable MUX on HP Workstation laptops

2021-04-23 Thread Jani Nikula
On Fri, 23 Apr 2021, Kai-Heng Feng wrote: > On HP Fury G7 Workstations, graphics output is re-routed from Intel GFX > to discrete GFX after S3. This is not desirable, because userspace will > treat connected display as a new one, losing display settings. > > The expected behavior is to let

[PATCH v2] drm/i915: Invoke BXT _DSM to enable MUX on HP Workstation laptops

2021-04-22 Thread Kai-Heng Feng
On HP Fury G7 Workstations, graphics output is re-routed from Intel GFX to discrete GFX after S3. This is not desirable, because userspace will treat connected display as a new one, losing display settings. The expected behavior is to let discrete GFX drives all external displays. The platform