Commit 813ce279 authored by Kevin Wang's avatar Kevin Wang Committed by Alex Deucher
Browse files

drm/amd/powerplay: implement smu_init[fini]_smc_tables for smu11



Each SMU IP may have a different number of SMU tables, so these tables
are allocated using dynamic memory

Signed-off-by: default avatarKevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 244f3449
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+21 −0
Original line number Diff line number Diff line
@@ -115,6 +115,19 @@ static int smu_smc_table_sw_init(struct smu_context *smu)
	return 0;
}

static int smu_smc_table_sw_fini(struct smu_context *smu)
{
	int ret;

	ret = smu_fini_smc_tables(smu);
	if (ret) {
		pr_err("Failed to smu_fini_smc_tables!\n");
		return ret;
	}

	return 0;
}

static int smu_sw_init(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -142,10 +155,18 @@ static int smu_sw_init(void *handle)
static int smu_sw_fini(void *handle)
{
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
	struct smu_context *smu = &adev->smu;
	int ret;

	if (adev->asic_type < CHIP_VEGA20)
		return -EINVAL;

	ret = smu_smc_table_sw_fini(smu);
	if (ret) {
		pr_err("Failed to sw fini smc table!\n");
		return ret;
	}

	return 0;
}

+22 −0
Original line number Diff line number Diff line
@@ -24,10 +24,29 @@

#include "amdgpu.h"

#define SMU_TABLE_INIT(tables, table_id, s, a, d)	\
	do {						\
		tables[table_id].size = s;		\
		tables[table_id].align = a;		\
		tables[table_id].domain = d;		\
	} while (0)

struct smu_table {
	uint64_t size;
	uint32_t align;
	uint8_t domain;
	uint64_t mc_address;
	void *cpu_addr;
	struct amdgpu_bo *bo;

};

struct smu_table_context
{
	void				*power_play_table;
	uint32_t			power_play_table_size;
	struct smu_table		*tables;
	uint32_t			table_count;
};

struct smu_context
@@ -44,6 +63,7 @@ struct smu_funcs
{
	int (*init_microcode)(struct smu_context *smu);
	int (*init_smc_tables)(struct smu_context *smu);
	int (*fini_smc_tables)(struct smu_context *smu);
	int (*init_power)(struct smu_context *smu);
	int (*load_microcode)(struct smu_context *smu);
	int (*check_fw_status)(struct smu_context *smu);
@@ -69,6 +89,8 @@ struct smu_funcs
	((smu)->funcs->init_microcode ? (smu)->funcs->init_microcode((smu)) : 0)
#define smu_init_smc_tables(smu) \
	((smu)->funcs->init_smc_tables ? (smu)->funcs->init_smc_tables((smu)) : 0)
#define smu_fini_smc_tables(smu) \
	((smu)->funcs->fini_smc_tables ? (smu)->funcs->fini_smc_tables((smu)) : 0)
#define smu_init_power(smu) \
	((smu)->funcs->init_power ? (smu)->funcs->init_power((smu)) : 0)
#define smu_load_microcode(smu) \
+43 −0
Original line number Diff line number Diff line
@@ -234,6 +234,47 @@ static int smu_v11_0_read_pptable_from_vbios(struct smu_context *smu)
	return 0;
}

static int smu_v11_0_init_smc_tables(struct smu_context *smu)
{
	struct smu_table_context *smu_table = &smu->smu_table;
	struct smu_table *tables = NULL;

	if (smu_table->tables || smu_table->table_count != 0)
		return -EINVAL;

	tables = kcalloc(TABLE_COUNT, sizeof(struct smu_table), GFP_KERNEL);
	if (!tables)
		return -ENOMEM;

	smu_table->tables = tables;
	smu_table->table_count = TABLE_COUNT;

	SMU_TABLE_INIT(tables, TABLE_PPTABLE, sizeof(PPTable_t),
		       PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM);
	SMU_TABLE_INIT(tables, TABLE_WATERMARKS, sizeof(Watermarks_t),
		       PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM);
	SMU_TABLE_INIT(tables, TABLE_SMU_METRICS, sizeof(SmuMetrics_t),
		       PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM);
	SMU_TABLE_INIT(tables, TABLE_OVERDRIVE, sizeof(OverDriveTable_t),
		       PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM);

	return 0;
}

static int smu_v11_0_fini_smc_tables(struct smu_context *smu)
{
	struct smu_table_context *smu_table = &smu->smu_table;

	if (!smu_table->tables || smu_table->table_count == 0)
		return -EINVAL;

	kfree(smu_table->tables);
	smu_table->tables = NULL;
	smu_table->table_count = 0;

	return 0;

}
static const struct smu_funcs smu_v11_0_funcs = {
	.init_microcode = smu_v11_0_init_microcode,
	.load_microcode = smu_v11_0_load_microcode,
@@ -242,6 +283,8 @@ static const struct smu_funcs smu_v11_0_funcs = {
	.send_smc_msg = smu_v11_0_send_msg,
	.send_smc_msg_with_param = smu_v11_0_send_msg_with_param,
	.read_pptable_from_vbios = smu_v11_0_read_pptable_from_vbios,
	.init_smc_tables = smu_v11_0_init_smc_tables,
	.fini_smc_tables = smu_v11_0_fini_smc_tables,
};

void smu_v11_0_set_smu_funcs(struct smu_context *smu)