github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-23 22:52:19 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amd/ras: add wrapper funcs for pmfw eeprom

Browse Source 
add wrapper funcs for pmfw eeprom interface to make them
easier to be called

Signed-off-by: Gangliang Xie <ganglxie@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Gangliang Xie 2025-12-12 16:15:56 +08:00 committed by Alex Deucher
parent 12f4d4482a
commit 0d21084c02
2 changed files with 141 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

125
drivers/gpu/drm/amd/ras/rascore/ras_eeprom_fw.c
View File

@ -36,3 +36,128 @@ void ras_fw_init_feature_flags(struct ras_core_context *ras_core)
if (!sys_func->mp1_get_ras_enabled_mask(ras_core, &flags))
ras_core->ras_fw_features = flags;
}
bool ras_fw_eeprom_supported(struct ras_core_context *ras_core)
{
return !!(ras_core->ras_fw_features & RAS_CORE_FW_FEATURE_BIT__RAS_EEPROM);
}
int ras_fw_get_table_version(struct ras_core_context *ras_core,
uint32_t *table_version)
{
struct ras_mp1 *mp1 = &ras_core->ras_mp1;
const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
return sys_func->mp1_send_eeprom_msg(ras_core,
RAS_SMU_GetRASTableVersion, 0, table_version);
}
int ras_fw_get_badpage_count(struct ras_core_context *ras_core,
uint32_t *count, uint32_t timeout)
{
struct ras_mp1 *mp1 = &ras_core->ras_mp1;
const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
uint64_t end, now;
int ret = 0;
now = (uint64_t)ktime_to_ms(ktime_get());
end = now + timeout;
do {
ret = sys_func->mp1_send_eeprom_msg(ras_core,
RAS_SMU_GetBadPageCount, 0, count);
/* eeprom is not ready */
if (ret != -EBUSY)
return ret;
mdelay(10);
now = (uint64_t)ktime_to_ms(ktime_get());
} while (now < end);
RAS_DEV_ERR(ras_core->dev,
"smu get bad page count timeout!\n");
return ret;
}
int ras_fw_get_badpage_mca_addr(struct ras_core_context *ras_core,
uint16_t index, uint64_t *mca_addr)
{
struct ras_mp1 *mp1 = &ras_core->ras_mp1;
const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
uint32_t temp_arg, temp_addr_lo, temp_addr_high;
int ret;
temp_arg = index | (1 << 16);
ret = sys_func->mp1_send_eeprom_msg(ras_core,
RAS_SMU_GetBadPageMcaAddr, temp_arg, &temp_addr_lo);
if (ret)
return ret;
temp_arg = index | (2 << 16);
ret = sys_func->mp1_send_eeprom_msg(ras_core,
RAS_SMU_GetBadPageMcaAddr, temp_arg, &temp_addr_high);
if (!ret)
*mca_addr = (uint64_t)temp_addr_high << 32 | temp_addr_lo;
return ret;
}
int ras_fw_set_timestamp(struct ras_core_context *ras_core,
uint64_t timestamp)
{
struct ras_mp1 *mp1 = &ras_core->ras_mp1;
const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
return sys_func->mp1_send_eeprom_msg(ras_core,
RAS_SMU_SetTimestamp, (uint32_t)timestamp, 0);
}
int ras_fw_get_timestamp(struct ras_core_context *ras_core,
uint16_t index, uint64_t *timestamp)
{
struct ras_mp1 *mp1 = &ras_core->ras_mp1;
const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
uint32_t temp = 0;
int ret;
ret = sys_func->mp1_send_eeprom_msg(ras_core,
RAS_SMU_GetTimestamp, index, &temp);
if (!ret)
*timestamp = temp;
return ret;
}
int ras_fw_get_badpage_ipid(struct ras_core_context *ras_core,
uint16_t index, uint64_t *ipid)
{
struct ras_mp1 *mp1 = &ras_core->ras_mp1;
const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
uint32_t temp_arg, temp_ipid_lo, temp_ipid_high;
int ret;
temp_arg = index | (1 << 16);
ret = sys_func->mp1_send_eeprom_msg(ras_core,
RAS_SMU_GetBadPageIpid, temp_arg, &temp_ipid_lo);
if (ret)
return ret;
temp_arg = index | (2 << 16);
ret = sys_func->mp1_send_eeprom_msg(ras_core,
RAS_SMU_GetBadPageIpid, temp_arg, &temp_ipid_high);
if (!ret)
*ipid = (uint64_t)temp_ipid_high << 32 | temp_ipid_lo;
return ret;
}
int ras_fw_erase_ras_table(struct ras_core_context *ras_core,
uint32_t *result)
{
struct ras_mp1 *mp1 = &ras_core->ras_mp1;
const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
return sys_func->mp1_send_eeprom_msg(ras_core,
RAS_SMU_EraseRasTable, 0, result);
}

16
drivers/gpu/drm/amd/ras/rascore/ras_eeprom_fw.h
View File

@ -24,6 +24,22 @@
#ifndef __RAS_EEPROM_FW_H__
#define __RAS_EEPROM_FW_H__
void ras_fw_init_feature_flags(struct ras_core_context *ras_core);
bool ras_fw_eeprom_supported(struct ras_core_context *ras_core);
int ras_fw_get_table_version(struct ras_core_context *ras_core,
uint32_t *table_version);
int ras_fw_get_badpage_count(struct ras_core_context *ras_core,
uint32_t *count, uint32_t timeout);
int ras_fw_get_badpage_mca_addr(struct ras_core_context *ras_core,
uint16_t index, uint64_t *mca_addr);
int ras_fw_set_timestamp(struct ras_core_context *ras_core,
uint64_t timestamp);
int ras_fw_get_timestamp(struct ras_core_context *ras_core,
uint16_t index, uint64_t *timestamp);
int ras_fw_get_badpage_ipid(struct ras_core_context *ras_core,
uint16_t index, uint64_t *ipid);
int ras_fw_erase_ras_table(struct ras_core_context *ras_core,
uint32_t *result);
#endif