Re: [Intel-gfx] [PATCH 01/12] drm/i915: use correct power domain for csr loading

On Fri, Jul 10, 2015 at 01:42:09PM +0530, Animesh Manna wrote: > > > On 7/10/2015 1:34 AM, Daniel Vetter wrote: > >Grabbing a runtime pm reference with intel_runtime_pm_get will only > >prevent device D3. But dmc firmware is required even earlier (namely > >for the skl power well 2). > > > >Hence

Re: [Intel-gfx] [PATCH 01/12] drm/i915: use correct power domain for csr loading

On 7/10/2015 1:34 AM, Daniel Vetter wrote: Grabbing a runtime pm reference with intel_runtime_pm_get will only prevent device D3. But dmc firmware is required even earlier (namely for the skl power well 2). Hence we need to grab a rpm reference higher up in the hierarchy. For simplicity just g

[Intel-gfx] [PATCH 01/12] drm/i915: use correct power domain for csr loading

Grabbing a runtime pm reference with intel_runtime_pm_get will only prevent device D3. But dmc firmware is required even earlier (namely for the skl power well 2). Hence we need to grab a rpm reference higher up in the hierarchy. For simplicity just grab the _INIT display power well. That's a bit