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Diffstat (limited to 'drivers/gpu/drm/i915/intel_step.h')
-rw-r--r--drivers/gpu/drm/i915/intel_step.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_step.h b/drivers/gpu/drm/i915/intel_step.h
new file mode 100644
index 000000000..a6b12bfa9
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_step.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020,2021 Intel Corporation
+ */
+
+#ifndef __INTEL_STEP_H__
+#define __INTEL_STEP_H__
+
+#include <linux/types.h>
+
+struct drm_i915_private;
+
+struct intel_step_info {
+ u8 graphics_step; /* Represents the compute tile on Xe_HPC */
+ u8 display_step;
+ u8 media_step;
+ u8 basedie_step;
+};
+
+#define STEP_ENUM_VAL(name) STEP_##name,
+
+#define STEP_NAME_LIST(func) \
+ func(A0) \
+ func(A1) \
+ func(A2) \
+ func(B0) \
+ func(B1) \
+ func(B2) \
+ func(B3) \
+ func(C0) \
+ func(C1) \
+ func(D0) \
+ func(D1) \
+ func(E0) \
+ func(F0) \
+ func(G0) \
+ func(H0) \
+ func(I0) \
+ func(I1) \
+ func(J0)
+
+/*
+ * Symbolic steppings that do not match the hardware. These are valid both as gt
+ * and display steppings as symbolic names.
+ */
+enum intel_step {
+ STEP_NONE = 0,
+ STEP_NAME_LIST(STEP_ENUM_VAL)
+ STEP_FUTURE,
+ STEP_FOREVER,
+};
+
+void intel_step_init(struct drm_i915_private *i915);
+const char *intel_step_name(enum intel_step step);
+
+#endif /* __INTEL_STEP_H__ */