Allows UMDs to set 'Disable Gather at Set Shader Common Slice'.
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...
v2: Rebased
v3: Rebased on top of the WA refactoring
Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_workarounds.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c
index 9e50fba..970a763 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -956,6 +956,13 @@ static int cnl_whitelist_workarounds_apply(struct intel_engine_cs *engine)
static int icl_whitelist_workarounds_apply(struct intel_engine_cs *engine)
{
+ int ret;
+
+ /* WaSendPushConstantsFromMMIO:icl */
+ ret = wa_ring_whitelist_reg(engine, COMMON_SLICE_CHICKEN2);
+ if (ret)
+ return ret;
+
return 0;
}
--
1.9.1
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