drm/amd/powerplay: add vega20 pptable function file

This patch adds the vega20_ppt.c to support ATOM_Vega20_POWERPLAYTABLE format
for vega20 on smu11. It will be used to implement to asic specific pptable
helpers.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/Makefile

@@ -35,7 +35,7 @@ AMD_POWERPLAY = $(addsuffix /Makefile,$(addprefix $(FULL_AMD_PATH)/powerplay/,$(
 
 include $(AMD_POWERPLAY)
 
-POWER_MGR = amd_powerplay.o amdgpu_smu.o smu_v11_0.o
+POWER_MGR = amd_powerplay.o amdgpu_smu.o smu_v11_0.o vega20_ppt.o
 
 AMD_PP_POWER = $(addprefix $(AMD_PP_PATH)/,$(POWER_MGR))
 

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

@@ -48,16 +48,11 @@ static int smu_early_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 	struct smu_context *smu = &adev->smu;
-	int ret;
-
-	ret = smu_set_funcs(adev);
-	if (ret)
-		return ret;
 
 	smu->adev = adev;
 	mutex_init(&smu->mutex);
 
-	return 0;
+	return smu_set_funcs(adev);
 }
 
 int smu_get_atom_data_table(struct smu_context *smu, uint32_t table,

drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h

@@ -90,6 +90,7 @@ struct smu_context
 	struct amdgpu_device            *adev;
 
 	const struct smu_funcs		*funcs;
+	const struct pptable_funcs	*ppt_funcs;
 	struct mutex			mutex;
 	uint64_t pool_size;
 
@@ -98,6 +99,10 @@ struct smu_context
 	struct smu_power_context	smu_power;
 };
 
+struct pptable_funcs {
+	int (*store_powerplay_table)(struct smu_context *smu);
+};
+
 struct smu_funcs
 {
 	int (*init_microcode)(struct smu_context *smu);

drivers/gpu/drm/amd/powerplay/smu_v11_0.c

@@ -31,6 +31,7 @@
 #include "smu11_driver_if.h"
 #include "soc15_common.h"
 #include "atom.h"
+#include "vega20_ppt.h"
 
 #include "asic_reg/thm/thm_11_0_2_offset.h"
 #include "asic_reg/thm/thm_11_0_2_sh_mask.h"
@@ -504,5 +505,15 @@ static const struct smu_funcs smu_v11_0_funcs = {
 
 void smu_v11_0_set_smu_funcs(struct smu_context *smu)
 {
+	struct amdgpu_device *adev = smu->adev;
+
 	smu->funcs = &smu_v11_0_funcs;
+
+	switch (adev->asic_type) {
+	case CHIP_VEGA20:
+		vega20_set_ppt_funcs(smu);
+		break;
+	default:
+		pr_warn("Unknow asic for smu11\n");
+	}
 }

drivers/gpu/drm/amd/powerplay/vega20_ppt.c

@@ -0,0 +1,51 @@
+/*
+ * 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.
+ *
+ */
+
+#include "pp_debug.h"
+#include <linux/firmware.h>
+#include "amdgpu.h"
+#include "amdgpu_smu.h"
+#include "atomfirmware.h"
+#include "amdgpu_atomfirmware.h"
+#include "smu_v11_0.h"
+#include "smu_v11_0_ppsmc.h"
+#include "smu11_driver_if.h"
+#include "soc15_common.h"
+#include "atom.h"
+#include "vega20_ppt.h"
+#include "vega20_pptable.h"
+#include "vega20_ppt.h"
+
+static int vega20_store_powerplay_table(struct smu_context *smu)
+{
+	return 0;
+}
+
+static const struct pptable_funcs vega20_ppt_funcs = {
+	.store_powerplay_table = vega20_store_powerplay_table,
+};
+
+void vega20_set_ppt_funcs(struct smu_context *smu)
+{
+	smu->ppt_funcs = &vega20_ppt_funcs;
+}

drivers/gpu/drm/amd/powerplay/vega20_ppt.h

@@ -0,0 +1,28 @@
+/*
+ * 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.
+ *
+ */
+#ifndef __VEGA20_PPT_H__
+#define __VEGA20_PPT_H__
+
+extern void vega20_set_ppt_funcs(struct smu_context *smu);
+
+#endif