Quoting Sagar Ghuge (2021-02-05 00:33:10) > Adding this register to whitelist will allow UMD to toggle State Cache > Perf fix disable chicken bit. > > "If this bit is enabled, RCC uses BTP+BTI as address tag in its state > cache instead of BTI only" > > which will lead to dropping unnecessary render target flushes and stall > on scoreboard. The rest of the register looks safe to expose, and it passes our sanity checks that the register is local to the context and should not affect others. > Bspec: 11333 > Bspec: 45829 > > Signed-off-by: Sagar Ghuge <sagar.ghuge@xxxxxxxxx> Acked-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> The only missing piece of the puzzle that Joonas will require is a Link: to a reviewed userspace patch/MR to confirm the uABI. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
