On Fri, Aug 05, 2022 at 05:25:43PM +0200, Mauro Carvalho Chehab wrote: > On Fri, 5 Aug 2022 10:39:44 -0400 > Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> wrote: > > > On Fri, Aug 05, 2022 at 10:46:57AM +0200, Mauro Carvalho Chehab wrote: > > > Hi Rodrigo, > > > > > > On Thu, 4 Aug 2022 13:33:06 -0400 > > > Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> wrote: > > > > > > > Hi Dave and Daniel, > > > > > > > > Here goes drm-intel-next-fixes-2022-08-04: > > > > > > > > - disable pci resize on 32-bit systems (Nirmoy) > > > > - don't leak the ccs state (Matt) > > > > - TLB invalidation fixes (Chris) > > > > > > > > Thanks, > > > > Rodrigo. > > > > > > > > The following changes since commit 2bc7ea71a73747a77e7f83bc085b0d2393235410: > > > > > > > > Merge tag 'topic/nouveau-misc-2022-07-27' of git://anongit.freedesktop.org/drm/drm into drm-next (2022-07-27 11:34:07 +1000) > > > > > > > > are available in the Git repository at: > > > > > > > > git://anongit.freedesktop.org/drm/drm-intel tags/drm-intel-next-fixes-2022-08-04 > > > > > > > > for you to fetch changes up to e57b9369e0c6f60155027e120fafd4b57e385b71: > > > > > > > > drm/i915/gt: Batch TLB invalidations (2022-08-01 09:48:06 -0400) > > > > > > > > ---------------------------------------------------------------- > > > > - disable pci resize on 32-bit systems (Nirmoy) > > > > - don't leak the ccs state (Matt) > > > > - TLB invalidation fixes (Chris) > > > > > > > > ---------------------------------------------------------------- > > > > Chris Wilson (4): > > > > drm/i915/gt: Ignore TLB invalidations on idle engines > > > > drm/i915/gt: Invalidate TLB of the OA unit at TLB invalidations > > > > drm/i915/gt: Skip TLB invalidations once wedged > > > > > > > drm/i915/gt: Batch TLB invalidations > > > This patch actually adds a regression due to a silly mistake. > > > The fix is here: > > > > > > https://patchwork.freedesktop.org/patch/496249/?series=106805&rev=4 > > > > > > > Thank you for the heads up. > > > > Since that patch is not merged yet, what are your recommendations here? > > Should I remove this from drm-intel-next-fixes now? > > Those patches are OK to merge: > > drm/i915/gt: Ignore TLB invalidations on idle engines > drm/i915/gt: Invalidate TLB of the OA unit at TLB invalidations > drm/i915/gt: Skip TLB invalidations once wedged > > And helps reduce performance regressions due to TLB cache invalidation. > So, I would keep them. > > With regards to the 4th patch, please don't merge: > > drm/i915/gt: Batch TLB invalidations > > or merge it together with: > > drm/i915: pass a pointer for tlb seqno at vma_invalidate_tlb() Since this one has not landed yet I won't rush it in. I'm removing the Batch TLB invalidations and sending a new pull request without that patch. Thank you for the info and great work there. > > > Which regression is worst? > > The regression caused by the batch patch is a lot worse, as it > effectively disables TLB cache invalidation. The fix was meant to > be merged at the patch, but somehow between several rebases and 3 > machines involved on tests, internal development and upstream, the > branch actually sent upstream was not the right one. It got only > noticed after reviewing a newer patch. Yeah, that sucks. > > > Also dim has trouble with fixes for fixes in the same round. > > Please ping me when you get that patch merged so I can pull that. > > OK. > > Regards, > Mauro
