drm/amd/display: Add dcn3.01 support to DC (v2)

Update dc for vangogh support.

v2: fix compilation without DCN 301 set.

Signed-off-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 75 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_dccg.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_dccg.c
new file mode 100644
index 000000000000..420da414929c
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_dccg.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2020 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 "reg_helper.h"
+#include "core_types.h"
+#include "dcn301_dccg.h"
+
+#define TO_DCN_DCCG(dccg)\
+	container_of(dccg, struct dcn_dccg, base)
+
+#define REG(reg) \
+	(dccg_dcn->regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+	dccg_dcn->dccg_shift->field_name, dccg_dcn->dccg_mask->field_name
+
+#define CTX \
+	dccg_dcn->base.ctx
+#define DC_LOGGER \
+	dccg->ctx->logger
+
+static const struct dccg_funcs dccg301_funcs = {
+	.update_dpp_dto = dccg2_update_dpp_dto,
+	.get_dccg_ref_freq = dccg2_get_dccg_ref_freq,
+	.dccg_init = dccg2_init
+};
+
+struct dccg *dccg301_create(
+	struct dc_context *ctx,
+	const struct dccg_registers *regs,
+	const struct dccg_shift *dccg_shift,
+	const struct dccg_mask *dccg_mask)
+{
+	struct dcn_dccg *dccg_dcn = kzalloc(sizeof(*dccg_dcn), GFP_KERNEL);
+	struct dccg *base;
+
+	if (dccg_dcn == NULL) {
+		BREAK_TO_DEBUGGER();
+		return NULL;
+	}
+
+	base = &dccg_dcn->base;
+	base->ctx = ctx;
+	base->funcs = &dccg301_funcs;
+
+	dccg_dcn->regs = regs;
+	dccg_dcn->dccg_shift = dccg_shift;
+	dccg_dcn->dccg_mask = dccg_mask;
+
+	return &dccg_dcn->base;
+}
+