[Intel-gfx] [PATCH 0/2] Try to fix MST regression with DDI IO power domains

Ander Conselvan de Oliveira ander.conselvan.de.oliveira at intel.com
Tue Feb 28 07:14:50 UTC 2017


Hi,

Commit 62b695662a24 ("drm/i915: Only enable DDI IO power domains after
enabling DPLL") seems to have broken MST. Here's an untested fix (I
don't have the right hardware to test this at the moment).

Thanks,
Ander

Ander Conselvan de Oliveira (2):
  drm/i915: Enable DDI IO power domains in the DP MST path
  drm/i915: Remove duplicate DDI enabling logic from MST path

 drivers/gpu/drm/i915/intel_ddi.c    |  2 ++
 drivers/gpu/drm/i915/intel_dp_mst.c | 20 +++-----------------
 2 files changed, 5 insertions(+), 17 deletions(-)

-- 
2.9.3



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