Hi Linus,
These are the two fixes from Ville for the bug you are seeing on your HSW laptop,
They pretty much disable PSR in some cases where the panel reports a setup time that would cause issues, like you seem to have.
Dave.
The following changes since commit 44cee85a8824464e7e951e590243c2a85d79c494:
Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild (2016-08-02 16:48:52 -0400)
are available in the git repository at:
git://people.freedesktop.org/~airlied/linux tags/drm-psr-fixes-for-v4.8
for you to fetch changes up to dfd2e9ab6a7db56a5f5bb55f71485a92613c8e11:
drm/i915: Check PSR setup time vs. vblank length (2016-08-03 07:06:41 +1000)
---------------------------------------------------------------- Ville Syrjälä (2): drm/dp: Add drm_dp_psr_setup_time() drm/i915: Check PSR setup time vs. vblank length
drivers/gpu/drm/drm_dp_helper.c | 32 ++++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_drv.h | 2 ++ drivers/gpu/drm/i915/intel_psr.c | 19 ++++++++++++++++++- drivers/gpu/drm/i915/intel_sprite.c | 6 +++--- include/drm/drm_dp_helper.h | 2 ++ 5 files changed, 57 insertions(+), 4 deletions(-)