[SRU][Xenial][PATCH 00/11] i915_bpo: Fix flickering issue after panel change

Anthony Wong anthony.wong at canonical.com
Fri May 18 15:12:41 UTC 2018


On Mon, May 14, 2018 at 06:18:28PM +0200, Kleber Souza wrote:
> On 05/11/18 08:20, Timo Aaltonen wrote:
> > BugLink: http://bugs.launchpad.net/bugs/1770565
> > 
> > This set of patches fixes flickering issues on a machine that changed the panel
> > vendor after it was certified.
> > 
> > 
> > Rodrigo Vivi (1):
> >   drm/i915: KBL - Recommended buffer translation programming for
> >     DisplayPort
> > 
> > Ville Syrjälä (10):
> >   drm/i915: Fix iboost setting for DDI with 4 lanes on SKL
> >   drm/i915: Name the "iboost bit"
> >   drm/i915: Program iboost settings for HDMI/DVI on SKL
> >   drm/i915: Move bxt_ddi_vswing_sequence() call into
> >     intel_ddi_pre_enable() for HDMI
> >   drm/i915: Explicitly use ddi buf trans entry 9 for hdmi
> >   drm/i915: Split DP/eDP/FDI and HDMI/DVI DDI buffer programming apart
> >   drm/i915: Get the iboost setting based on the port type
> >   drm/i915: Simplify intel_ddi_get_encoder_port()
> >   drm/i915: Fix iboost setting for SKL Y/U DP DDI buffer translation
> >     entry 2
> >   drm/i915: Ignore OpRegion panel type except on select machines
> > 
> >  ubuntu/i915/i915_reg.h       |   2 +
> >  ubuntu/i915/intel_ddi.c      | 308 +++++++++++++++++++++++------------
> >  ubuntu/i915/intel_dp_mst.c   |   4 +-
> >  ubuntu/i915/intel_drv.h      |   2 +-
> >  ubuntu/i915/intel_opregion.c |  27 +++
> >  5 files changed, 234 insertions(+), 109 deletions(-)
> > 
> 
> Hi Timo,
> 
> Have these patches been tested in any other system with i915 apart from
> the affected OEM laptop?

The original laptop is a KBL-R. We have also verified on two Skylake
(8086:1916) and one Kaby Lake (8086:591e) laptops.

Thanks,
Anthony

> 
> 
> Thanks,
> Kleber
> 
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