1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_mmhubbub.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_mmhubbub.c
new file mode 100644
index 000000000000..4317100564a4
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_mmhubbub.c
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dcn35_mmhubbub.h"
+#include "reg_helper.h"
+
+#define REG(reg)                                                             \
+	((const struct dcn35_mmhubbub_registers *)(mcif_wb30->mcif_wb_regs)) \
+		->reg
+
+#define CTX mcif_wb30->base.ctx
+
+#undef FN
+#define FN(reg_name, field_name)                                                \
+	((const struct dcn35_mmhubbub_shift *)(mcif_wb30->mcif_wb_shift))       \
+		->field_name,                                                   \
+		((const struct dcn35_mmhubbub_mask *)(mcif_wb30->mcif_wb_mask)) \
+			->field_name
+
+void dcn35_mmhubbub_construct(
+	struct dcn30_mmhubbub *mcif_wb30, struct dc_context *ctx,
+	const struct dcn35_mmhubbub_registers *mcif_wb_regs,
+	const struct dcn35_mmhubbub_shift *mcif_wb_shift,
+	const struct dcn35_mmhubbub_mask *mcif_wb_mask, int inst)
+{
+	dcn32_mmhubbub_construct(
+		mcif_wb30, ctx,
+		(const struct dcn30_mmhubbub_registers *)(mcif_wb_regs),
+		(const struct dcn30_mmhubbub_shift *)(mcif_wb_shift),
+		(const struct dcn30_mmhubbub_mask *)(mcif_wb_mask), inst);
+}
+
+void dcn35_mmhubbub_set_fgcg(struct dcn30_mmhubbub *mcif_wb30, bool enabled)
+{
+	REG_UPDATE(MMHUBBUB_CLOCK_CNTL, MMHUBBUB_FGCG_REP_DIS, !enabled);
+}