1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_vpg.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_vpg.c
new file mode 100644
index 000000000000..f1deb1c3c363
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_vpg.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2019 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 "dc_bios_types.h"
+#include "dcn30/dcn30_vpg.h"
+#include "dcn31_vpg.h"
+#include "reg_helper.h"
+#include "dc/dc.h"
+
+#define DC_LOGGER \
+		vpg31->base.ctx->logger
+
+#define REG(reg)\
+	(vpg31->regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+	vpg31->vpg_shift->field_name, vpg31->vpg_mask->field_name
+
+
+#define CTX \
+	vpg31->base.ctx
+
+static struct vpg_funcs dcn31_vpg_funcs = {
+	.update_generic_info_packet	= vpg3_update_generic_info_packet,
+	.vpg_poweron = vpg31_poweron,
+	.vpg_powerdown = vpg31_powerdown,
+};
+
+void vpg31_powerdown(struct vpg *vpg)
+{
+	struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg);
+
+	if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false)
+		return;
+
+	REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 0, VPG_GSP_LIGHT_SLEEP_FORCE, 1);
+}
+
+void vpg31_poweron(struct vpg *vpg)
+{
+	struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg);
+
+	if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false)
+		return;
+
+	REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 1, VPG_GSP_LIGHT_SLEEP_FORCE, 0);
+}
+
+void vpg31_construct(struct dcn31_vpg *vpg31,
+	struct dc_context *ctx,
+	uint32_t inst,
+	const struct dcn31_vpg_registers *vpg_regs,
+	const struct dcn31_vpg_shift *vpg_shift,
+	const struct dcn31_vpg_mask *vpg_mask)
+{
+	vpg31->base.ctx = ctx;
+
+	vpg31->base.inst = inst;
+	vpg31->base.funcs = &dcn31_vpg_funcs;
+
+	vpg31->regs = vpg_regs;
+	vpg31->vpg_shift = vpg_shift;
+	vpg31->vpg_mask = vpg_mask;
+}