[Yakkety] [PATCH 0/5] Enable lspcon on i915

Kai-Heng Feng kai.heng.feng at canonical.com
Tue Mar 28 09:57:48 UTC 2017


BugLink: https://bugs.launchpad.net/bugs/1676747

Impact:
HDMI does not work at all.

Fix:
LSPCon (Level Shifter - Protocol Converter) support is required.

Test:
After cherry-picked required commits, HDMI works now.

Shashank Sharma (5):
  drm: Helper for lspcon in drm_dp_dual_mode
  drm/i915: Add lspcon support for I915 driver
  drm/i915: Parse VBT data for lspcon
  drm/i915: Enable lspcon initialization
  drm/i915: Add lspcon resume function

 drivers/gpu/drm/drm_dp_dual_mode_helper.c | 103 ++++++++++++++++++++++
 drivers/gpu/drm/i915/Makefile             |   1 +
 drivers/gpu/drm/i915/i915_drv.h           |   5 ++
 drivers/gpu/drm/i915/intel_bios.c         |  49 +++++++++++
 drivers/gpu/drm/i915/intel_ddi.c          |  29 ++++++-
 drivers/gpu/drm/i915/intel_dp.c           |   7 +-
 drivers/gpu/drm/i915/intel_drv.h          |  10 +++
 drivers/gpu/drm/i915/intel_lspcon.c       | 136 ++++++++++++++++++++++++++++++
 include/drm/drm_dp_dual_mode_helper.h     |  26 ++++++
 9 files changed, 364 insertions(+), 2 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/intel_lspcon.c

-- 
2.12.1





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