On Fri, Aug 18, 2017 at 2:07 AM, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote: > On Thu, 17 Aug 2017, Stéphane Marchesin <marcheu@xxxxxxxxxxxx> wrote: >> On Mon, Jun 19, 2017 at 11:45 AM, Jani Nikula >> <jani.nikula@xxxxxxxxxxxxxxx> wrote: >>> >>> On Thu, 15 Jun 2017, Imre Deak <imre.deak@xxxxxxxxx> wrote: >>> > On Thu, Jun 15, 2017 at 10:20:57AM -0700, Rodrigo Vivi wrote: >>> >> I believe it is worth allowing RPM to work without requiring DMC, no?! >>> > >>> > Not if there is no good reason for not using DMC. It was decided early >>> > on that we won't support that configuration since if you care about the >>> > power saving provided by partially disabling things you probably also >>> > care about the bigger power saving provided by DMC. So that is the >>> > current state of the driver, enabling runtime PM without having DMC >>> > loaded is not supported. Proper support for that would need to be added >>> > after a justification why not to use the firmware. >>> >>> Agreed. We already have too many configurations to support, and we >>> already struggle with our testing coverage as-is. Adding new >>> configurations to be tested is not to be taken lightly. >>> >> >> For context, we are seeing GPU hangs at suspend/resume with DMC >> enabled (feel free to email me if you want to be added to the internal >> bug) which is the reason for this patch. If those GPU hangs can be >> fixed instead, then that would be an even better solution, IMO. Is >> there someone on your side who could help with these hangs? > > We need to get the GPU hangs fixed, obviously. Is this reproducible with > upstream code? Do we have a bug about this at bugs.freedesktop.org? > Jani, Jari? > I am CCing intel people who were looking into this bug, and who suggested to disable DMC as a solution. You can probably talk to them directly :) Stéphane > BR, > Jani. > > >> >> Stéphane >> >>> >>> BR, >>> Jani. >>> >>> -- >>> Jani Nikula, Intel Open Source Technology Center > > -- > Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
