I have no proof that any of these are relevant other than a designer in the know told me we should be doing this. Furthermore if Mathew's hang is truly on the very first read to the FORCEWAKE_ACK, these patches almost surely will *not* help :-( Ben Widawsky (3): drm/i915: Extract forcewake ack timeout drm/i915: Change forcewake timeout to 2ms drm/i915: Never read FORCEWAKE drivers/gpu/drm/i915/intel_pm.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) -- 1.7.12
