On Tue, May 31, 2016 at 01:58:27PM +0530, Sagar Arun Kamble wrote: > On Loading, GuC sets PM interrupts routing (bit 31) and clears ARAT > expired interrupt (bit 9). Host turbo also updates this register > in RPS flows. This patch ensures bit 31 and bit 9 setup by GuC persists. > ARAT timer interrupt is needed in GuC for various features. It also > facilitates halting GuC and hence achieving RC6. PM interrupt routing > will not impact RPS interrupt reception by host as GuC will redirect > them. > This patch fixes igt test pm_rc6_residency that was failing with guc > load/submission enabled. Tested with SKL GuC v6.1 and BXT GuC v5.1 and v8.7. > > v2: i915_irq/i915_pm decoupling from intel_guc. (ChrisW) > > v3: restructuring the mask update and rebase w.r.t Ville's patch. (ChrisW) > > v4: Updating the pm_intr_keep during direct_interrupts_to_guc. (Sagar) > > Cc: Chris Harris <chris.harris@xxxxxxxxx> > Cc: Zhe Wang <zhe1.wang@xxxxxxxxx> > Cc: Deepak S <deepak.s@xxxxxxxxx> > Cc: Satyanantha, Rama Gopal M <rama.gopal.m.satyanantha@xxxxxxxxx> > Cc: Akash Goel <akash.goel@xxxxxxxxx> > Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx> I can understand what you mean by this patch, perfect! Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
