On Thu, Jan 09, 2014 at 05:21:49PM +0530, akash.goel@xxxxxxxxx wrote: > From: akashgoe <akash.goel@xxxxxxxxx> > > The following changes leads to stable behavior, especially > when playing 3D Apps, benchmarks. > > Added 4 new rendering specific Workarounds > 1. WaTlbInvalidateStoreDataBefore :- > Before pipecontrol with TLB invalidate set, > need 2 store data commands > 2. WaReadAfterWriteHazard :- > Send 8 store dword commands after flush > for read after write hazard > (HSD Gen6 bug_de 3047871) > 3. WaVSThreadDispatchOverride > Performance optimization - Hw will > decide which half slice the thread > will dispatch, May not be really needed > for VLV, as its single slice > 4. WaDisable_RenderCache_OperationalFlush > Operational flush cannot be enabled on > BWG A0 [Errata BWT006] > > Removed 3 workarounds as not needed for VLV+(B0 onwards) > 1. WaDisableRHWOOptimizationForRenderHang > 2. WaDisableL3CacheAging > 3. WaDisableDopClockGating > > Modified the implementation of 1 workaround > 1. WaDisableL3Bank2xClockGate > Disabling L3 clock gating- MMIO 940c[25] = 1 > > Modified the programming of 2 registers in render ring init function > 1. GFX_MODE_GEN7 (Enabling TLB invalidate) > 2. MI_MODE (Enabling MI Flush) I posted a bunch of workaround stuff a long time ago. It may have some overlaps with your stuff, and maybe there was something you overlooked. Maybe you could have a look if there's something useful there: http://lists.freedesktop.org/archives/intel-gfx/2013-July/029685.html -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx