This patchset addresses a couple of issues with the i915 gmbus implementation.
v7 adds a final patch to switch to using DRM_ERROR for reporting timeouts. Daniel Kurtz (8): drm/i915/intel_i2c: handle zero-length writes drm/i915/intel_i2c: use double-buffered writes drm/i915/intel_i2c: always wait for IDLE before clearing NAK drm/i915/intel_i2c: use WAIT cycle, not STOP drm/i915/intel_i2c: use INDEX cycles for i2c read transactions drm/i915/intel_i2c: reuse GMBUS2 value read in polling loop drm/i915/intel_i2c: remove POSTING_READ() from gmbus transfers drm/i915/intel_i2c: use DRM_ERROR on timeouts drivers/gpu/drm/i915/intel_i2c.c | 163 +++++++++++++++++++++++++++---------- 1 files changed, 119 insertions(+), 44 deletions(-) -- 1.7.7.3