| Message ID | 20240131104647.40374-1-roxana.nicolescu@canonical.com |
|---|---|
| Headers | show |
| Series | The display becomes frozen after some time when a HDMI device is connected | expand |
On 31-01-2024 11:46, Roxana Nicolescu wrote: > BugLink: https://bugs.launchpad.net/bugs/2049027 > > SRU Justification: > > [Impact] > > Multiple users have reported frozen displays when external HDMI device > is connected on systems with intel graphics chipsets. > > [Fix] > > * backport 49e0a85ec344: "drm/i915/dmc: Don't enable any pipe DMC events" > from 6.6.9 > > [Test Plan] > > * Tested on Intel TigerLake with iris Xe Graphics and no issues so far. > It seems it affects mostly Alder Lake though, but at least it does not > cause any issues on other models. > * It has also been tested upstream https://gitlab.freedesktop.org/drm/intel/-/issues/8685 > > [Where problems could occur] > * We could see issues on systems with Intel Graphics when HDMI devices > are connected during power state changes. > > Ville Syrjälä (1): > drm/i915/dmc: Don't enable any pipe DMC events > > drivers/gpu/drm/i915/display/intel_dmc.c | 43 ++++++++++++++++++++++-- > 1 file changed, 41 insertions(+), 2 deletions(-) > Is there a specific reason to cherry-pick the already cherry-picked commit ? Acked-by: Thibault Ferrante <thibault.ferrante@canonical.com> -- Thibault
On 31/01/2024 14:55, Thibault Ferrante wrote: > On 31-01-2024 11:46, Roxana Nicolescu wrote: >> BugLink: https://bugs.launchpad.net/bugs/2049027 >> >> SRU Justification: >> >> [Impact] >> >> Multiple users have reported frozen displays when external HDMI device >> is connected on systems with intel graphics chipsets. >> >> [Fix] >> >> * backport 49e0a85ec344: "drm/i915/dmc: Don't enable any pipe DMC >> events" >> from 6.6.9 >> >> [Test Plan] >> >> * Tested on Intel TigerLake with iris Xe Graphics and no issues so far. >> It seems it affects mostly Alder Lake though, but at least it does not >> cause any issues on other models. >> * It has also been tested upstream >> https://gitlab.freedesktop.org/drm/intel/-/issues/8685 >> >> [Where problems could occur] >> * We could see issues on systems with Intel Graphics when HDMI devices >> are connected during power state changes. >> >> Ville Syrjälä (1): >> drm/i915/dmc: Don't enable any pipe DMC events >> >> drivers/gpu/drm/i915/display/intel_dmc.c | 43 ++++++++++++++++++++++-- >> 1 file changed, 41 insertions(+), 2 deletions(-) >> > > Is there a specific reason to cherry-pick the already cherry-picked > commit ? > > Acked-by: Thibault Ferrante <thibault.ferrante@canonical.com> > > -- > Thibault > I cherry picked the wrong commit. I'll fix it when applying it. Thanks for spotting this.
On 31.01.24 15:04, Roxana Nicolescu wrote: > > On 31/01/2024 14:55, Thibault Ferrante wrote: >> On 31-01-2024 11:46, Roxana Nicolescu wrote: >>> BugLink: https://bugs.launchpad.net/bugs/2049027 >>> >>> SRU Justification: >>> >>> [Impact] >>> >>> Multiple users have reported frozen displays when external HDMI device >>> is connected on systems with intel graphics chipsets. >>> >>> [Fix] >>> >>> * backport 49e0a85ec344: "drm/i915/dmc: Don't enable any pipe DMC >>> events" >>> from 6.6.9 >>> >>> [Test Plan] >>> >>> * Tested on Intel TigerLake with iris Xe Graphics and no issues so far. >>> It seems it affects mostly Alder Lake though, but at least it does not >>> cause any issues on other models. >>> * It has also been tested upstream >>> https://gitlab.freedesktop.org/drm/intel/-/issues/8685 >>> >>> [Where problems could occur] >>> * We could see issues on systems with Intel Graphics when HDMI devices >>> are connected during power state changes. >>> >>> Ville Syrjälä (1): >>> drm/i915/dmc: Don't enable any pipe DMC events >>> >>> drivers/gpu/drm/i915/display/intel_dmc.c | 43 ++++++++++++++++++++++-- >>> 1 file changed, 41 insertions(+), 2 deletions(-) >>> >> >> Is there a specific reason to cherry-pick the already cherry-picked >> commit ? >> >> Acked-by: Thibault Ferrante <thibault.ferrante@canonical.com> >> >> -- >> Thibault >> > I cherry picked the wrong commit. I'll fix it when applying it. Thanks > for spotting this. > Actually I think this is correct. Just that the first cherry picked is already the way it is in upstream Linus...
On 31.01.24 11:46, Roxana Nicolescu wrote: > BugLink: https://bugs.launchpad.net/bugs/2049027 > > SRU Justification: > > [Impact] > > Multiple users have reported frozen displays when external HDMI device > is connected on systems with intel graphics chipsets. > > [Fix] > > * backport 49e0a85ec344: "drm/i915/dmc: Don't enable any pipe DMC events" > from 6.6.9 > > [Test Plan] > > * Tested on Intel TigerLake with iris Xe Graphics and no issues so far. > It seems it affects mostly Alder Lake though, but at least it does not > cause any issues on other models. > * It has also been tested upstream https://gitlab.freedesktop.org/drm/intel/-/issues/8685 > > [Where problems could occur] > * We could see issues on systems with Intel Graphics when HDMI devices > are connected during power state changes. > > Ville Syrjälä (1): > drm/i915/dmc: Don't enable any pipe DMC events > > drivers/gpu/drm/i915/display/intel_dmc.c | 43 ++++++++++++++++++++++-- > 1 file changed, 41 insertions(+), 2 deletions(-) > Acked-by: Stefan Bader <stefan.bader@canonical.com>
On 31-01-2024 11:46, Roxana Nicolescu wrote: > BugLink: https://bugs.launchpad.net/bugs/2049027 > > SRU Justification: > > [Impact] > > Multiple users have reported frozen displays when external HDMI device > is connected on systems with intel graphics chipsets. > > [Fix] > > * backport 49e0a85ec344: "drm/i915/dmc: Don't enable any pipe DMC events" > from 6.6.9 > > [Test Plan] > > * Tested on Intel TigerLake with iris Xe Graphics and no issues so far. > It seems it affects mostly Alder Lake though, but at least it does not > cause any issues on other models. > * It has also been tested upstream https://gitlab.freedesktop.org/drm/intel/-/issues/8685 > > [Where problems could occur] > * We could see issues on systems with Intel Graphics when HDMI devices > are connected during power state changes. > > Ville Syrjälä (1): > drm/i915/dmc: Don't enable any pipe DMC events > > drivers/gpu/drm/i915/display/intel_dmc.c | 43 ++++++++++++++++++++++-- > 1 file changed, 41 insertions(+), 2 deletions(-) > Applied to mantic master-next branch. Thanks!