> -----Original Message----- > From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Chen, > Angus > Sent: Tuesday, April 30, 2024 4:50 PM > To: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx> > Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH] drm/i915/mtl: Update workaround 14018778641 > > The original workaround was from > https://patchwork.freedesktop.org/patch/533574/ > Then, we don't apply WA to VDBOX, VEBOX and RENDER engine with the > following patch > https://patchwork.freedesktop.org/patch/543117/?series=119517&rev=1 > But now we need this WA to cover VDBOX. > > On 4/29/2024 5:53 PM, Andi Shyti wrote: > > Hi Angus, > > > > ... > > > >> @@ -1586,6 +1586,8 @@ xelpmp_gt_workarounds_init(struct intel_gt *gt, > struct i915_wa_list *wal) > >> */ > >> wa_write_or(wal, XELPMP_GSC_MOD_CTRL, FORCE_MISS_FTLB); > >> > >> + wa_write_or(wal, XELPMP_VDBX_MOD_CTRL, FORCE_MISS_FTLB); > > Can you please add the reference of the workaround in a comment here? As far as I know media team confirmed that there is no perf impact and this WA can be removed. As Andi said, reference would be help here. Thanks, Tejas > > > > Thanks, > > Andi > > > >> +