On ke, 2017-04-05 at 15:51 +0530, Sagar Arun Kamble wrote: > i915 is currently doing Full GPU reset at the end of suspend followed by > GuC suspend. This reset bypasses the GuC. We need to tell the GuC to > suspend before we do a direct intel_gpu_reset, Otherwise the gpu state will > no longer match the GuC's expectations and its suspend will not be > successful. With this change, i915 suspends GuC after suspending GEM and > before doing Full GPU reset. + David, Oscar and Michel My understanding is that reloading GuC firmware after each resume is a major bottleneck in resume time, and we instead should be telling GuC to suspend and not reset the GPU, at most only reset the engines. Regards, Joonas -- Joonas Lahtinen Open Source Technology Center Intel Corporation _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
