Re: [Intel-gfx] [PATCH v3 25/25] drm/i915: vlv: add runtime PM support

2014-05-05 Thread Daniel Vetter
On Wed, Apr 30, 2014 at 7:35 PM, Ville Syrjälä wrote: > I know Daniel hates this stuff, but I don't really want to bikeshed it > now. As we've discussed we should get the thing to enter some s0ix state > where we actually lost the context and then dump a ton of registers and > figure out what real

Re: [Intel-gfx] [PATCH v3 25/25] drm/i915: vlv: add runtime PM support

2014-04-30 Thread Ville Syrjälä
On Tue, Apr 22, 2014 at 08:28:33PM +0300, Imre Deak wrote: > Add runtime PM support for VLV, but leave it disabled. The next patch > enables it. > > The suspend/resume sequence used is based on [1] and [2]. In practice we > depend on the GT RC6 mechanism to save the HW context depending on the > r

[Intel-gfx] [PATCH v3 25/25] drm/i915: vlv: add runtime PM support

2014-04-22 Thread Imre Deak
Add runtime PM support for VLV, but leave it disabled. The next patch enables it. The suspend/resume sequence used is based on [1] and [2]. In practice we depend on the GT RC6 mechanism to save the HW context depending on the render and media power wells. By the time we run the runtime suspend cal