drm/amd/pm: Add SMU 13.0.6 support

Add initial SMU 13.0.6 implementation.

v1:
Initial implementation to support SMU 13.0.6.
v2:
Add driver interface version check.
v3: rebase (Alex)
v4: Enable i2c for avoid warning (Alex)
v5: sqaush in cleanups up through (Alex)
    "drm/amd/pm: Ignore EIO error on SMUv13.0.6"

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

@@ -40,6 +40,7 @@
 #include "smu_v13_0_0_ppt.h"
 #include "smu_v13_0_4_ppt.h"
 #include "smu_v13_0_5_ppt.h"
+#include "smu_v13_0_6_ppt.h"
 #include "smu_v13_0_7_ppt.h"
 #include "amd_pcie.h"
 
@@ -609,6 +610,11 @@ static int smu_set_funcs(struct amdgpu_device *adev)
 	case IP_VERSION(13, 0, 10):
 		smu_v13_0_0_set_ppt_funcs(smu);
 		break;
+	case IP_VERSION(13, 0, 6):
+		smu_v13_0_6_set_ppt_funcs(smu);
+		/* Enable pp_od_clk_voltage node */
+		smu->od_enabled = true;
+		break;
 	case IP_VERSION(13, 0, 7):
 		smu_v13_0_7_set_ppt_funcs(smu);
 		break;

drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h

@@ -243,7 +243,9 @@
 	__SMU_DUMMY_MAP(SetNumBadMemoryPagesRetired),		\
 	__SMU_DUMMY_MAP(SetBadMemoryPagesRetiredFlagsPerChannel), \
 	__SMU_DUMMY_MAP(AllowGpo),	\
-	__SMU_DUMMY_MAP(Mode2Reset),
+	__SMU_DUMMY_MAP(Mode2Reset),	\
+	__SMU_DUMMY_MAP(RequestI2cTransaction), \
+	__SMU_DUMMY_MAP(GetMetricsTable),
 
 #undef __SMU_DUMMY_MAP
 #define __SMU_DUMMY_MAP(type)	SMU_MSG_##type

drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h

@@ -34,6 +34,7 @@
 #define SMU13_DRIVER_IF_VERSION_SMU_V13_0_0_10 0x32
 #define SMU13_DRIVER_IF_VERSION_SMU_V13_0_7 0x37
 #define SMU13_DRIVER_IF_VERSION_SMU_V13_0_10 0x1D
+#define SMU13_DRIVER_IF_VERSION_SMU_V13_0_6 0x0
 
 #define SMU13_MODE1_RESET_WAIT_TIME_IN_MS 500  //500ms
 
@@ -244,6 +245,10 @@ int smu_v13_0_set_single_dpm_table(struct smu_context *smu,
 				   enum smu_clk_type clk_type,
 				   struct smu_13_0_dpm_table *single_dpm_table);
 
+int smu_v13_0_get_dpm_freq_by_index(struct smu_context *smu,
+				    enum smu_clk_type clk_type, uint16_t level,
+				    uint32_t *value);
+
 int smu_v13_0_get_current_pcie_link_width_level(struct smu_context *smu);
 
 int smu_v13_0_get_current_pcie_link_width(struct smu_context *smu);

drivers/gpu/drm/amd/pm/swsmu/smu13/Makefile

@@ -24,7 +24,7 @@
 # It provides the smu management services for the driver.
 
 SMU13_MGR = smu_v13_0.o aldebaran_ppt.o yellow_carp_ppt.o smu_v13_0_0_ppt.o smu_v13_0_4_ppt.o \
-	    smu_v13_0_5_ppt.o smu_v13_0_7_ppt.o
+	    smu_v13_0_5_ppt.o smu_v13_0_7_ppt.o smu_v13_0_6_ppt.o
 
 AMD_SWSMU_SMU13MGR = $(addprefix $(AMD_SWSMU_PATH)/smu13/,$(SMU13_MGR))
 

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c

@@ -294,6 +294,10 @@ int smu_v13_0_check_fw_version(struct smu_context *smu)
 	case IP_VERSION(13, 0, 5):
 		smu->smc_driver_if_version = SMU13_DRIVER_IF_VERSION_SMU_V13_0_5;
 		break;
+	case IP_VERSION(13, 0, 6):
+		smu->smc_driver_if_version = SMU13_DRIVER_IF_VERSION_SMU_V13_0_6;
+		adev->pm.fw_version = smu_version;
+		break;
 	default:
 		dev_err(adev->dev, "smu unsupported IP version: 0x%x.\n",
 			adev->ip_versions[MP1_HWIP][0]);
@@ -1914,10 +1918,9 @@ int smu_v13_0_set_power_source(struct smu_context *smu,
 					       NULL);
 }
 
-static int smu_v13_0_get_dpm_freq_by_index(struct smu_context *smu,
+int smu_v13_0_get_dpm_freq_by_index(struct smu_context *smu,
-					   enum smu_clk_type clk_type,
+				    enum smu_clk_type clk_type, uint16_t level,
-					   uint16_t level,
+				    uint32_t *value)
-					   uint32_t *value)
 {
 	int ret = 0, clk_id = 0;
 	uint32_t param;

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.h

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2021 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.
+ *
+ */
+#ifndef __SMU_13_0_6_PPT_H__
+#define __SMU_13_0_6_PPT_H__
+
+#define SMU_13_0_6_UMD_PSTATE_GFXCLK_LEVEL 0x2
+#define SMU_13_0_6_UMD_PSTATE_SOCCLK_LEVEL 0x4
+#define SMU_13_0_6_UMD_PSTATE_MCLK_LEVEL 0x2
+
+extern void smu_v13_0_6_set_ppt_funcs(struct smu_context *smu);
+
+#endif