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drm/i915/dsb: Document that the ATS fault bits are for mtl+
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 11 Jun 2024 13:33:43 +0000 (16:33 +0300)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Thu, 20 Jun 2024 12:41:23 +0000 (15:41 +0300)
commit67577e2eada5b6501e30d80adea9d045081ba7a1
tree5baac5ed368946d4f898e42f09eb7fe6d2ee79c2tree
parent5bdd780180e3f261ca576e9d25e8cc356e97f4f4commit | diff
drm/i915/dsb: Document that the ATS fault bits are for mtl+

The ATS faults have something to do with some new iommu stuff
on mtl+. Document that the relevant DSB interrupt bits aren't
valid for earlier platforms.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240611133344.30673-11-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
drivers/gpu/drm/i915/display/intel_dsb_regs.h diff | blob | history
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