Re: [Intel-gfx] [cache coherency bug] i915 and PAT attributes

2022-12-22 Thread Ville Syrjälä
sion.  > https://lore.kernel.org/intel-gfx/Y5Hst0bCxQDTN7lK@mail-itl/T/#m4480c15a0d117dce6210562eb542875e757647fb > > We're reasonably confident that it is an i915 bug (given the repro with > no Xen in the mix), but we're out of any further ideas. I don't think we have any code that assumes anything about the PAT, apart from WC being available (which seems like it should still be the case with your modified PAT). I suppose you'll just have to start digging from pgprot_writecombine()/noncached() and make sure everything ends up using the correct PAT entry. -- Ville Syrjälä Intel

Re: [Intel-gfx] [patch 13/30] drm/i915/lpe_audio: Remove pointless irq_to_desc() usage

2020-12-10 Thread Ville Syrjälä
iel Vetter > Cc: Pankaj Bharadiya > Cc: Chris Wilson > Cc: Wambui Karuga > Cc: intel-...@lists.freedesktop.org > Cc: dri-de...@lists.freedesktop.org Reviewed-by: Ville Syrjälä > --- > drivers/gpu/drm/i915/display/intel_lpe_audio.c |4 > 1 file changed, 4 dele