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-rw-r--r--src/gallium/drivers/iris/iris_state.c12
-rw-r--r--src/intel/genxml/gen12.xml1
-rw-r--r--src/intel/vulkan/genX_pipeline.c12
3 files changed, 25 insertions, 0 deletions
diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index 5574b073a79..6c760e04635 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -4378,6 +4378,18 @@ iris_store_cs_state(struct iris_context *ice,
desc.BarrierEnable = cs_prog_data->uses_barrier;
desc.CrossThreadConstantDataReadLength =
cs_prog_data->push.cross_thread.regs;
+#if GEN_GEN >= 12
+ /* TODO: Check if we are missing workarounds and enable mid-thread
+ * preemption.
+ *
+ * We still have issues with mid-thread preemption (it was already
+ * disabled by the kernel on gen11, due to missing workarounds). It's
+ * possible that we are just missing some workarounds, and could enable
+ * it later, but for now let's disable it to fix a GPU in compute in Car
+ * Chase (and possibly more).
+ */
+ desc.ThreadPreemptionDisable = true;
+#endif
}
}
diff --git a/src/intel/genxml/gen12.xml b/src/intel/genxml/gen12.xml
index 127bc549a8b..f9fd2321428 100644
--- a/src/intel/genxml/gen12.xml
+++ b/src/intel/genxml/gen12.xml
@@ -525,6 +525,7 @@
<value name="Ftz" value="0"/>
<value name="SetByKernel" value="1"/>
</field>
+ <field name="Thread Preemption Disable" start="84" end="84" type="bool"/>
<field name="Sampler Count" start="98" end="100" type="uint">
<value name="No samplers used" value="0"/>
<value name="Between 1 and 4 samplers used" value="1"/>
diff --git a/src/intel/vulkan/genX_pipeline.c b/src/intel/vulkan/genX_pipeline.c
index c9f8eaa6f51..52a363fc075 100644
--- a/src/intel/vulkan/genX_pipeline.c
+++ b/src/intel/vulkan/genX_pipeline.c
@@ -2354,6 +2354,18 @@ compute_pipeline_create(
.CrossThreadConstantDataReadLength =
cs_prog_data->push.cross_thread.regs,
#endif
+#if GEN_GEN >= 12
+ /* TODO: Check if we are missing workarounds and enable mid-thread
+ * preemption.
+ *
+ * We still have issues with mid-thread preemption (it was already
+ * disabled by the kernel on gen11, due to missing workarounds). It's
+ * possible that we are just missing some workarounds, and could enable
+ * it later, but for now let's disable it to fix a GPU in compute in Car
+ * Chase (and possibly more).
+ */
+ .ThreadPreemptionDisable = true,
+#endif
.NumberofThreadsinGPGPUThreadGroup = cs_prog_data->threads,
};