Hi Ville On Wed Mar 5, 2025 at 3:26 PM UTC, Ville Syrjälä wrote: > On Wed, Mar 05, 2025 at 02:49:46PM +0000, Sebastian Brzezinka wrote: >> This reverts commit 0ddae025ab6cefa9aba757da3cd1d27908d70b0e. >> >> According to bspec 14181, CACHE_MODE_0 is a register that's under userspace >> control, and DISABLE_REPACKING_FOR_COMPRESSION workaround should be already >> in all recent Mesa releases. So, there is no need to include it in kernel. > > igt doesn't have it. > >> >> Also, this workaround·sporadically fails to load: >> ``` >> ERROR GT0: engine workaround lost on application! (reg[7000]=0x0, >> relevant bits were 0x0 vs expected 0x8000) >> ``` > > If it somehow fails to load from the kernel why would it > work from userspace? > > Hmm, apparently CACHE_MODE_0 needs the mcr steering stuff. > Does that fix the verification fail? Thanks for sugestion. Right now I think that I try to move this wa to icl_ctx_workarounds_init as both Mat and Chriss notice that register is a part of the context. -- Best regards, Sebastian
