From: Jani Nikula <jani.nikula@intel.com>
To: Dave Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
rafael.ristovski@gmail.com
Subject: [PULL] topic/dp-quirks for v4.12
Date: Wed, 31 May 2017 17:51:26 +0300 [thread overview]
Message-ID: <878tldjd01.fsf@intel.com> (raw)
Hi Dave, this series, based on v4.12-rc3, starts a DP sink/branch device
specific quirk database, and uses it to handle conflicting requirements
on the DP Mvid/Nvid main stream attributes by different sinks.
v4.12 has a Mvid/Nvid fix for a common USB Type-C DP adapter (the
DA200), which unfortunately regresses an eDP display. Handle the DA200
as a quirk. Reverting the DA200 fix in v4.12 would presumably have a
wider impact than not reverting, but can't have the regression either.
This was tested by Clint on (at least) the DA200, and Rafael on the
regressing eDP display.
BR,
Jani.
The following changes since commit 5ed02dbb497422bf225783f46e6eadd237d23d6b:
Linux 4.12-rc3 (2017-05-28 17:20:53 -0700)
are available in the git repository at:
git://anongit.freedesktop.org/git/drm-intel tags/topic/dp-quirks-2017-05-31
for you to fetch changes up to b31e85eda38c58cae986162ae2c462b53b0a2065:
drm/i915: Detect USB-C specific dongles before reducing M and N (2017-05-29 13:43:47 +0300)
----------------------------------------------------------------
DP sink specific quirks
----------------------------------------------------------------
Jani Nikula (4):
drm/dp: add helper for reading DP sink/branch device desc from DPCD
drm/i915: use drm DP helper to read DPCD desc
drm/dp: start a DPCD based DP sink/branch device quirk database
drm/i915: Detect USB-C specific dongles before reducing M and N
drivers/gpu/drm/drm_dp_helper.c | 83 ++++++++++++++++++++++++++++++++++++
drivers/gpu/drm/i915/i915_drv.h | 3 +-
drivers/gpu/drm/i915/intel_display.c | 22 ++++++----
drivers/gpu/drm/i915/intel_dp.c | 45 +++++--------------
drivers/gpu/drm/i915/intel_dp_mst.c | 5 ++-
drivers/gpu/drm/i915/intel_drv.h | 13 +-----
drivers/gpu/drm/i915/intel_lspcon.c | 2 +-
include/drm/drm_dp_helper.h | 51 ++++++++++++++++++++++
8 files changed, 166 insertions(+), 58 deletions(-)
--
Jani Nikula, Intel Open Source Technology Center
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reply other threads:[~2017-05-31 14:51 UTC|newest]
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