[Intel-gfx] [PATCH] drm/i915: reintroduce VLV/CHV PFI programming power domain workaround

2017-06-28 Thread Gabriel Krisman Bertazi
There are still cases on these platforms where an attempt is made to configure the CDCLK while the power domain is off, like when coming back from a suspend. So the workaround below is still needed. This effectively reverts commit 63ff30442519 ("drm/i915: Nuke the VLV/CHV PFI programming power do

Re: [Intel-gfx] [PATCH] drm/i915: reintroduce VLV/CHV PFI programming power domain workaround

2017-06-29 Thread Ville Syrjälä
On Wed, Jun 28, 2017 at 06:06:05PM -0300, Gabriel Krisman Bertazi wrote: > There are still cases on these platforms where an attempt is made to > configure the CDCLK while the power domain is off, like when coming back > from a suspend. So the workaround below is still needed. > > This effectivel