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drm/amdgpu: Refactor FRU product information

Browse source 
Keep FRU related information together in a separate structure.

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>
This commit is contained in:
Lijo Lazar 2023-10-04 16:00:47 +05:30 committed by Alex Deucher
parent be2e8aca06
commit 8a2b51392a
9 changed files with 42 additions and 36 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View file

@ -770,8 +770,8 @@ struct amdgpu_mqd {
#define AMDGPU_RESET_MAGIC_NUM 64
#define AMDGPU_MAX_DF_PERFMONS 4
#define AMDGPU_PRODUCT_NAME_LEN 64
struct amdgpu_reset_domain;
struct amdgpu_fru_info;
/*
* Non-zero (true) if the GPU has VRAM. Zero (false) otherwise.
@ -1055,11 +1055,7 @@ struct amdgpu_device {
bool ucode_sysfs_en;
/* Chip product information */
char product_number[20];
char product_name[AMDGPU_PRODUCT_NAME_LEN];
char serial[20];
struct amdgpu_fru_info *fru_info;
atomic_t throttling_logging_enabled;
struct ratelimit_state throttling_logging_rs;
uint32_t ras_hw_enabled;

3
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -4274,6 +4274,9 @@ void amdgpu_device_fini_sw(struct amdgpu_device *adev)
kfree(adev->bios);
adev->bios = NULL;
kfree(adev->fru_info);
adev->fru_info = NULL;
px = amdgpu_device_supports_px(adev_to_drm(adev));
if (px || (!pci_is_thunderbolt_attached(adev->pdev) &&

46
drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
View file

@ -109,6 +109,7 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev, u32 *fru_addr)
int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
{
struct amdgpu_fru_info *fru_info;
unsigned char buf[8], *pia;
u32 addr, fru_addr;
int size, len;
@ -117,6 +118,19 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
if (!is_fru_eeprom_supported(adev, &fru_addr))
return 0;
if (!adev->fru_info) {
adev->fru_info = kzalloc(sizeof(*adev->fru_info), GFP_KERNEL);
if (!adev->fru_info)
return -ENOMEM;
}
fru_info = adev->fru_info;
/* For Arcturus-and-later, default value of serial_number is unique_id
* so convert it to a 16-digit HEX string for convenience and
* backwards-compatibility.
*/
sprintf(fru_info->serial, "%llx", adev->unique_id);
/* If algo exists, it means that the i2c_adapter's initialized */
if (!adev->pm.fru_eeprom_i2c_bus || !adev->pm.fru_eeprom_i2c_bus->algo) {
DRM_WARN("Cannot access FRU, EEPROM accessor not initialized");
@ -192,21 +206,18 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
addr = 3 + 1 + (pia[3] & 0x3F);
if (addr + 1 >= len)
goto Out;
memcpy(adev->product_name, pia + addr + 1,
min_t(size_t,
sizeof(adev->product_name),
pia[addr] & 0x3F));
adev->product_name[sizeof(adev->product_name) - 1] = '\0';
memcpy(fru_info->product_name, pia + addr + 1,
min_t(size_t, sizeof(fru_info->product_name), pia[addr] & 0x3F));
fru_info->product_name[sizeof(fru_info->product_name) - 1] = '\0';
/* Go to the Product Part/Model Number field. */
addr += 1 + (pia[addr] & 0x3F);
if (addr + 1 >= len)
goto Out;
memcpy(adev->product_number, pia + addr + 1,
min_t(size_t,
sizeof(adev->product_number),
memcpy(fru_info->product_number, pia + addr + 1,
min_t(size_t, sizeof(fru_info->product_number),
pia[addr] & 0x3F));
adev->product_number[sizeof(adev->product_number) - 1] = '\0';
fru_info->product_number[sizeof(fru_info->product_number) - 1] = '\0';
/* Go to the Product Version field. */
addr += 1 + (pia[addr] & 0x3F);
@ -215,10 +226,9 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
addr += 1 + (pia[addr] & 0x3F);
if (addr + 1 >= len)
goto Out;
memcpy(adev->serial, pia + addr + 1, min_t(size_t,
sizeof(adev->serial),
pia[addr] & 0x3F));
adev->serial[sizeof(adev->serial) - 1] = '\0';
memcpy(fru_info->serial, pia + addr + 1,
min_t(size_t, sizeof(fru_info->serial), pia[addr] & 0x3F));
fru_info->serial[sizeof(fru_info->serial) - 1] = '\0';
Out:
kfree(pia);
return 0;
@ -241,7 +251,7 @@ static ssize_t amdgpu_fru_product_name_show(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
return sysfs_emit(buf, "%s\n", adev->product_name);
return sysfs_emit(buf, "%s\n", adev->fru_info->product_name);
}
static DEVICE_ATTR(product_name, 0444, amdgpu_fru_product_name_show, NULL);
@ -263,7 +273,7 @@ static ssize_t amdgpu_fru_product_number_show(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
return sysfs_emit(buf, "%s\n", adev->product_number);
return sysfs_emit(buf, "%s\n", adev->fru_info->product_number);
}
static DEVICE_ATTR(product_number, 0444, amdgpu_fru_product_number_show, NULL);
@ -285,7 +295,7 @@ static ssize_t amdgpu_fru_serial_number_show(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
return sysfs_emit(buf, "%s\n", adev->serial);
return sysfs_emit(buf, "%s\n", adev->fru_info->serial);
}
static DEVICE_ATTR(serial_number, 0444, amdgpu_fru_serial_number_show, NULL);
@ -299,7 +309,7 @@ static const struct attribute *amdgpu_fru_attributes[] = {
int amdgpu_fru_sysfs_init(struct amdgpu_device *adev)
{
if (!is_fru_eeprom_supported(adev, NULL))
if (!is_fru_eeprom_supported(adev, NULL) || !adev->fru_info)
return 0;
return sysfs_create_files(&adev->dev->kobj, amdgpu_fru_attributes);
@ -307,7 +317,7 @@ int amdgpu_fru_sysfs_init(struct amdgpu_device *adev)
void amdgpu_fru_sysfs_fini(struct amdgpu_device *adev)
{
if (!is_fru_eeprom_supported(adev, NULL))
if (!is_fru_eeprom_supported(adev, NULL) || !adev->fru_info)
return;
sysfs_remove_files(&adev->dev->kobj, amdgpu_fru_attributes);

9
drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.h
View file

@ -24,6 +24,15 @@
#ifndef __AMDGPU_FRU_EEPROM_H__
#define __AMDGPU_FRU_EEPROM_H__
#define AMDGPU_PRODUCT_NAME_LEN 64
/* FRU product information */
struct amdgpu_fru_info {
char product_number[20];
char product_name[AMDGPU_PRODUCT_NAME_LEN];
char serial[20];
};
int amdgpu_fru_get_product_info(struct amdgpu_device *adev);
int amdgpu_fru_sysfs_init(struct amdgpu_device *adev);
void amdgpu_fru_sysfs_fini(struct amdgpu_device *adev);

4
drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
View file

@ -2192,10 +2192,6 @@ static void arcturus_get_unique_id(struct smu_context *smu)
id = ((uint64_t)bottom32 << 32) | top32;
adev->unique_id = id;
/* For Arcturus-and-later, unique_id == serial_number, so convert it to a
* 16-digit HEX string for convenience and backwards-compatibility
*/
sprintf(adev->serial, "%llx", id);
}
static int arcturus_set_df_cstate(struct smu_context *smu,

2
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
View file

@ -1996,8 +1996,6 @@ static void sienna_cichlid_get_unique_id(struct smu_context *smu)
out:
adev->unique_id = ((uint64_t)upper32 << 32) | lower32;
if (adev->serial[0] == '\0')
sprintf(adev->serial, "%016llx", adev->unique_id);
}
static int sienna_cichlid_get_uclk_dpm_states(struct smu_context *smu, uint32_t *clocks_in_khz, uint32_t *num_states)

2
drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
View file

@ -1578,8 +1578,6 @@ static void aldebaran_get_unique_id(struct smu_context *smu)
out:
adev->unique_id = ((uint64_t)upper32 << 32) | lower32;
if (adev->serial[0] == '\0')
sprintf(adev->serial, "%016llx", adev->unique_id);
}
static bool aldebaran_is_baco_supported(struct smu_context *smu)

2
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
View file

@ -2264,8 +2264,6 @@ static void smu_v13_0_0_get_unique_id(struct smu_context *smu)
out:
adev->unique_id = ((uint64_t)upper32 << 32) | lower32;
if (adev->serial[0] == '\0')
sprintf(adev->serial, "%016llx", adev->unique_id);
}
static int smu_v13_0_0_get_fan_speed_pwm(struct smu_context *smu,

2
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
View file

@ -1880,8 +1880,6 @@ static void smu_v13_0_6_get_unique_id(struct smu_context *smu)
(struct PPTable_t *)smu_table->driver_pptable;
adev->unique_id = pptable->PublicSerialNumber_AID;
if (adev->serial[0] == '\0')
sprintf(adev->serial, "%016llx", adev->unique_id);
}
static bool smu_v13_0_6_is_baco_supported(struct smu_context *smu)