[Intel-gfx] [PATCH v2 0/3] drm/i915: Fix DP LTTPR link training mode initialization
Imre Deak
imre.deak at intel.com
Wed Mar 17 18:48:58 UTC 2021
This is v2 of
https://patchwork.freedesktop.org/series/88015/
also making sure that LTTPRs are detected and initialized only if the
DPCD and LTTPR revisions are > 1.4 as required by Display Port
specification.
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: <stable at vger.kernel.org> # v5.11
Imre Deak (3):
drm/i915/ilk-glk: Fix link training on links with LTTPRs
drm/i915: Disable LTTPR support when the DPCD rev < 1.4
drm/i915: Disable LTTPR support when the LTTPR rev < 1.4
drivers/gpu/drm/i915/display/intel_dp.c | 4 +-
drivers/gpu/drm/i915/display/intel_dp_aux.c | 7 ++
.../drm/i915/display/intel_dp_link_training.c | 66 ++++++++++++++-----
.../drm/i915/display/intel_dp_link_training.h | 2 +-
4 files changed, 58 insertions(+), 21 deletions(-)
--
2.25.1
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