drm/i915/dg2: introduce Wa_22015475538
Wa_22015475538 applies to all DG2 (and ATSM) skus. The workaround
implementation is identical to Wa_16011620976. LSC_CHICKEN_BIT_0_UDW is
a general render register instead of rcs so adding this move to the
proper wa init function.
bspec:54077
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220920204359.103370-1-matthew.s.atwood@intel.com
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