[PATCH 4/9] drm/i915: Check eDP power when doing aux channel communications

Verify that the eDP VDD is on, either with the panel being on or with the VDD force-on bit being set. This demonstrates that in many instances, VDD is not on when needed, which leads to failed EDID communications. Signed-off-by: Keith Packard --- drivers/gpu/drm/i915/intel_dp.c | 22

[PATCH 4/9] drm/i915: Check eDP power when doing aux channel communications

Verify that the eDP VDD is on, either with the panel being on or with the VDD force-on bit being set. This demonstrates that in many instances, VDD is not on when needed, which leads to failed EDID communications. Signed-off-by: Keith Packard kei...@keithp.com ---