Re: [Intel-gfx] [PATCH] drm/i915: Don't access non-existent PGTBL_ER register

2021-01-29 Thread Chris Wilson
Quoting Matt Roper (2021-01-30 00:16:20) > PGTBL_ER (0x2024) isn't documented in the bspec of any recent (SNB+) > platform; it seems this register was removed ages ago and we probably > shouldn't still be trying to clear it at init or read it during error > state dump. We do support decoding of PG

[Intel-gfx] [PATCH] drm/i915: Don't access non-existent PGTBL_ER register

2021-01-29 Thread Matt Roper
PGTBL_ER (0x2024) isn't documented in the bspec of any recent (SNB+) platform; it seems this register was removed ages ago and we probably shouldn't still be trying to clear it at init or read it during error state dump. Since I don't have easy access to a gen4 or gen5 era bspec to confirm exactly