Required to dinamically set 'Trilinear Filter Quality Mode'
Do Linux UMDs make use of this? This change has been security
reviewed and the whitelisting approved. Virtualization of other
OSes could certainly use it.
Cc: Mika Kuoppala <mika.kuopp...@linux.intel.com>
Signed-off-by: Oscar Mateo <oscar.ma...@intel.com>
---
drivers/gpu/drm/i915/intel_engine_cs.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c
b/drivers/gpu/drm/i915/intel_engine_cs.c
index f092c0f..e053deb 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1414,6 +1414,11 @@ static int kbl_init_workarounds(struct intel_engine_cs
*engine)
if (ret)
return ret;
+ /* WaAllowUMDToModifyHalfSliceChicken7:icl */
+ ret = wa_ring_whitelist_reg(engine, GEN9_HALF_SLICE_CHICKEN7);
+ if (ret)
+ return ret;
+
return 0;
}
--
1.9.1
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