| Message ID | 20210715071116.1426823-1-kai.heng.feng@canonical.com |
|---|---|
| Headers | show |
| Series | Fix display output on HP hybrid GFX laptops | expand |
Acked-by: Tim Gardner <tim.gardner@canonical.com> On 7/15/21 1:11 AM, Kai-Heng Feng wrote: > BugLink: https://bugs.launchpad.net/bugs/1936296 > > [Impact] > Video output MUX switched from Intel GPU to Nvidia GPU after S3, so > display settings are lost. > > [Fix] > Always use Nvidia GPU to do the video output. This matches the behavior > on the other OS. > > [Test] > Connect and external monitor, and change the scaling factor or > resolution, suspend the laptop. > After wakeup, the custom monitor setting is kept. > > [Where problems could occur] > If nvidia.ko or nouveau.ko is blacklisted, the video output may stop > working, as it's now routed away from i915 device. > > Kai-Heng Feng (1): > drm/i915: Invoke another _DSM to enable MUX on HP Workstation laptops > > drivers/gpu/drm/i915/display/intel_acpi.c | 19 +++++++++++++++++++ > drivers/gpu/drm/i915/display/intel_acpi.h | 3 +++ > drivers/gpu/drm/i915/display/intel_opregion.c | 3 +++ > 3 files changed, 25 insertions(+) >
applied to oem-5.13, thanks
Acked-By: AceLan Kao <acelan.kao@canonical.com>
applied to oem-5.10, thanks
Acked-By: AceLan Kao <acelan.kao@canonical.com>
On 15.07.21 09:11, Kai-Heng Feng wrote: > BugLink: https://bugs.launchpad.net/bugs/1936296 > > [Impact] > Video output MUX switched from Intel GPU to Nvidia GPU after S3, so > display settings are lost. > > [Fix] > Always use Nvidia GPU to do the video output. This matches the behavior > on the other OS. > > [Test] > Connect and external monitor, and change the scaling factor or > resolution, suspend the laptop. > After wakeup, the custom monitor setting is kept. > > [Where problems could occur] > If nvidia.ko or nouveau.ko is blacklisted, the video output may stop > working, as it's now routed away from i915 device. > > Kai-Heng Feng (1): > drm/i915: Invoke another _DSM to enable MUX on HP Workstation laptops > > drivers/gpu/drm/i915/display/intel_acpi.c | 19 +++++++++++++++++++ > drivers/gpu/drm/i915/display/intel_acpi.h | 3 +++ > drivers/gpu/drm/i915/display/intel_opregion.c | 3 +++ > 3 files changed, 25 insertions(+) > Acked-by: Stefan Bader <stefan.bader@canonical.com>
Applied to Hirsute master-next. Thank you! -Kelsey On 2021-07-15 15:11:15 , Kai-Heng Feng wrote: > BugLink: https://bugs.launchpad.net/bugs/1936296 > > [Impact] > Video output MUX switched from Intel GPU to Nvidia GPU after S3, so > display settings are lost. > > [Fix] > Always use Nvidia GPU to do the video output. This matches the behavior > on the other OS. > > [Test] > Connect and external monitor, and change the scaling factor or > resolution, suspend the laptop. > After wakeup, the custom monitor setting is kept. > > [Where problems could occur] > If nvidia.ko or nouveau.ko is blacklisted, the video output may stop > working, as it's now routed away from i915 device. > > Kai-Heng Feng (1): > drm/i915: Invoke another _DSM to enable MUX on HP Workstation laptops > > drivers/gpu/drm/i915/display/intel_acpi.c | 19 +++++++++++++++++++ > drivers/gpu/drm/i915/display/intel_acpi.h | 3 +++ > drivers/gpu/drm/i915/display/intel_opregion.c | 3 +++ > 3 files changed, 25 insertions(+) > > -- > 2.31.1 > > > -- > kernel-team mailing list > kernel-team@lists.ubuntu.com > https://lists.ubuntu.com/mailman/listinfo/kernel-team