While reading Ander's GLK DDI power well patches [1] I noticed a few issues in the existing code related to clearing/taking over the power well request bits from BIOS. These didn't cause a problem so far, but would be exposed by his patchset, so after discussing with him I decided to fix them. Cc: Ander Conselvan de Oliveira <conselvan2@xxxxxxxxx> Cc: David Weinehall <david.weinehall@xxxxxxxxxxxxxxx> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> [1] https://lists.freedesktop.org/archives/intel-gfx/2017-February/119532.html Imre Deak (4): drm/i915: Remove redundant toggling from the power well sync_hw hooks drm/i915: Call the sync_hw hook for power wells without a domain drm/i915/gen9: Fix clearing of the BIOS power well request register drm/i915: Preserve the state of power wells not explicitly enabled drivers/gpu/drm/i915/intel_runtime_pm.c | 109 ++++++++++++++------------------ 1 file changed, 49 insertions(+), 60 deletions(-) -- 2.5.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx