retire MCA support

Signed-off-by: Ce Sun <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c | 486 ------------------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h | 107 ------
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c |  45 +--
 3 files changed, 3 insertions(+), 635 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c
index e1e4a61b1301..9a7f7d2b2767 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c
@@ -27,16 +27,6 @@
 #include "umc/umc_6_7_0_offset.h"
 #include "umc/umc_6_7_0_sh_mask.h"
 
-static bool amdgpu_mca_is_deferred_error(struct amdgpu_device *adev,
-                                       uint64_t mc_status)
-{
-       if (adev->umc.ras->check_ecc_err_status)
-               return adev->umc.ras->check_ecc_err_status(adev,
-                               AMDGPU_MCA_ERROR_TYPE_DE, &mc_status);
-
-       return false;
-}
-
 void amdgpu_mca_query_correctable_error_count(struct amdgpu_device *adev,
                                              uint64_t mc_status_addr,
                                              unsigned long *error_count)
@@ -155,479 +145,3 @@ int amdgpu_mca_mpio_ras_sw_init(struct amdgpu_device 
*adev)
 
        return 0;
 }
-
-static void amdgpu_mca_bank_set_init(struct mca_bank_set *mca_set)
-{
-       if (!mca_set)
-               return;
-
-       memset(mca_set, 0, sizeof(*mca_set));
-       INIT_LIST_HEAD(&mca_set->list);
-}
-
-static int amdgpu_mca_bank_set_add_entry(struct mca_bank_set *mca_set, struct 
mca_bank_entry *entry)
-{
-       struct mca_bank_node *node;
-
-       if (!entry)
-               return -EINVAL;
-
-       node = kvzalloc(sizeof(*node), GFP_KERNEL);
-       if (!node)
-               return -ENOMEM;
-
-       memcpy(&node->entry, entry, sizeof(*entry));
-
-       INIT_LIST_HEAD(&node->node);
-       list_add_tail(&node->node, &mca_set->list);
-
-       mca_set->nr_entries++;
-
-       return 0;
-}
-
-static int amdgpu_mca_bank_set_merge(struct mca_bank_set *mca_set, struct 
mca_bank_set *new)
-{
-       struct mca_bank_node *node;
-
-       list_for_each_entry(node, &new->list, node)
-               amdgpu_mca_bank_set_add_entry(mca_set, &node->entry);
-
-       return 0;
-}
-
-static void amdgpu_mca_bank_set_remove_node(struct mca_bank_set *mca_set, 
struct mca_bank_node *node)
-{
-       if (!node)
-               return;
-
-       list_del(&node->node);
-       kvfree(node);
-
-       mca_set->nr_entries--;
-}
-
-static void amdgpu_mca_bank_set_release(struct mca_bank_set *mca_set)
-{
-       struct mca_bank_node *node, *tmp;
-
-       if (list_empty(&mca_set->list))
-               return;
-
-       list_for_each_entry_safe(node, tmp, &mca_set->list, node)
-               amdgpu_mca_bank_set_remove_node(mca_set, node);
-}
-
-void amdgpu_mca_smu_init_funcs(struct amdgpu_device *adev, const struct 
amdgpu_mca_smu_funcs *mca_funcs)
-{
-       struct amdgpu_mca *mca = &adev->mca;
-
-       mca->mca_funcs = mca_funcs;
-}
-
-int amdgpu_mca_init(struct amdgpu_device *adev)
-{
-       struct amdgpu_mca *mca = &adev->mca;
-       struct mca_bank_cache *mca_cache;
-       int i;
-
-       atomic_set(&mca->ue_update_flag, 0);
-
-       for (i = 0; i < ARRAY_SIZE(mca->mca_caches); i++) {
-               mca_cache = &mca->mca_caches[i];
-               mutex_init(&mca_cache->lock);
-               amdgpu_mca_bank_set_init(&mca_cache->mca_set);
-       }
-
-       return 0;
-}
-
-void amdgpu_mca_fini(struct amdgpu_device *adev)
-{
-       struct amdgpu_mca *mca = &adev->mca;
-       struct mca_bank_cache *mca_cache;
-       int i;
-
-       atomic_set(&mca->ue_update_flag, 0);
-
-       for (i = 0; i < ARRAY_SIZE(mca->mca_caches); i++) {
-               mca_cache = &mca->mca_caches[i];
-               amdgpu_mca_bank_set_release(&mca_cache->mca_set);
-               mutex_destroy(&mca_cache->lock);
-       }
-}
-
-int amdgpu_mca_reset(struct amdgpu_device *adev)
-{
-       amdgpu_mca_fini(adev);
-
-       return amdgpu_mca_init(adev);
-}
-
-int amdgpu_mca_smu_set_debug_mode(struct amdgpu_device *adev, bool enable)
-{
-       const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs;
-
-       if (mca_funcs && mca_funcs->mca_set_debug_mode)
-               return mca_funcs->mca_set_debug_mode(adev, enable);
-
-       return -EOPNOTSUPP;
-}
-
-static void amdgpu_mca_smu_mca_bank_dump(struct amdgpu_device *adev, int idx, 
struct mca_bank_entry *entry,
-                                        struct ras_query_context *qctx)
-{
-       u64 event_id = qctx ? qctx->evid.event_id : RAS_EVENT_INVALID_ID;
-
-       RAS_EVENT_LOG(adev, event_id, HW_ERR "Accelerator Check Architecture 
events logged\n");
-       RAS_EVENT_LOG(adev, event_id, HW_ERR "aca 
entry[%02d].STATUS=0x%016llx\n",
-                     idx, entry->regs[MCA_REG_IDX_STATUS]);
-       RAS_EVENT_LOG(adev, event_id, HW_ERR "aca entry[%02d].ADDR=0x%016llx\n",
-                     idx, entry->regs[MCA_REG_IDX_ADDR]);
-       RAS_EVENT_LOG(adev, event_id, HW_ERR "aca 
entry[%02d].MISC0=0x%016llx\n",
-                     idx, entry->regs[MCA_REG_IDX_MISC0]);
-       RAS_EVENT_LOG(adev, event_id, HW_ERR "aca entry[%02d].IPID=0x%016llx\n",
-                     idx, entry->regs[MCA_REG_IDX_IPID]);
-       RAS_EVENT_LOG(adev, event_id, HW_ERR "aca entry[%02d].SYND=0x%016llx\n",
-                     idx, entry->regs[MCA_REG_IDX_SYND]);
-}
-
-static int amdgpu_mca_smu_get_valid_mca_count(struct amdgpu_device *adev, enum 
amdgpu_mca_error_type type, uint32_t *count)
-{
-       const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs;
-
-       if (!count)
-               return -EINVAL;
-
-       if (mca_funcs && mca_funcs->mca_get_valid_mca_count)
-               return mca_funcs->mca_get_valid_mca_count(adev, type, count);
-
-       return -EOPNOTSUPP;
-}
-
-static int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev, enum 
amdgpu_mca_error_type type,
-                                       int idx, struct mca_bank_entry *entry)
-{
-       const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs;
-       int count;
-
-       if (!mca_funcs || !mca_funcs->mca_get_mca_entry)
-               return -EOPNOTSUPP;
-
-       switch (type) {
-       case AMDGPU_MCA_ERROR_TYPE_UE:
-               count = mca_funcs->max_ue_count;
-               break;
-       case AMDGPU_MCA_ERROR_TYPE_CE:
-               count = mca_funcs->max_ce_count;
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       if (idx >= count)
-               return -EINVAL;
-
-       return mca_funcs->mca_get_mca_entry(adev, type, idx, entry);
-}
-
-static bool amdgpu_mca_bank_should_update(struct amdgpu_device *adev, enum 
amdgpu_mca_error_type type)
-{
-       struct amdgpu_mca *mca = &adev->mca;
-       bool ret = true;
-
-       /*
-        * Because the UE Valid MCA count will only be cleared after reset,
-        * in order to avoid repeated counting of the error count,
-        * the aca bank is only updated once during the gpu recovery stage.
-        */
-       if (type == AMDGPU_MCA_ERROR_TYPE_UE) {
-               if (amdgpu_ras_intr_triggered())
-                       ret = atomic_cmpxchg(&mca->ue_update_flag, 0, 1) == 0;
-               else
-                       atomic_set(&mca->ue_update_flag, 0);
-       }
-
-       return ret;
-}
-
-static bool amdgpu_mca_bank_should_dump(struct amdgpu_device *adev, enum 
amdgpu_mca_error_type type,
-                                       struct mca_bank_entry *entry)
-{
-       bool ret;
-
-       switch (type) {
-       case AMDGPU_MCA_ERROR_TYPE_CE:
-               ret = amdgpu_mca_is_deferred_error(adev, 
entry->regs[MCA_REG_IDX_STATUS]);
-               break;
-       case AMDGPU_MCA_ERROR_TYPE_UE:
-       default:
-               ret = true;
-               break;
-       }
-
-       return ret;
-}
-
-static int amdgpu_mca_smu_get_mca_set(struct amdgpu_device *adev, enum 
amdgpu_mca_error_type type, struct mca_bank_set *mca_set,
-                                     struct ras_query_context *qctx)
-{
-       struct mca_bank_entry entry;
-       uint32_t count = 0, i;
-       int ret;
-
-       if (!mca_set)
-               return -EINVAL;
-
-       if (!amdgpu_mca_bank_should_update(adev, type))
-               return 0;
-
-       ret = amdgpu_mca_smu_get_valid_mca_count(adev, type, &count);
-       if (ret)
-               return ret;
-
-       for (i = 0; i < count; i++) {
-               memset(&entry, 0, sizeof(entry));
-               ret = amdgpu_mca_smu_get_mca_entry(adev, type, i, &entry);
-               if (ret)
-                       return ret;
-
-               amdgpu_mca_bank_set_add_entry(mca_set, &entry);
-
-               if (amdgpu_mca_bank_should_dump(adev, type, &entry))
-                       amdgpu_mca_smu_mca_bank_dump(adev, i, &entry, qctx);
-       }
-
-       return 0;
-}
-
-static int amdgpu_mca_smu_parse_mca_error_count(struct amdgpu_device *adev, 
enum amdgpu_ras_block blk,
-                                               enum amdgpu_mca_error_type 
type, struct mca_bank_entry *entry, uint32_t *count)
-{
-       const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs;
-
-       if (!count || !entry)
-               return -EINVAL;
-
-       if (!mca_funcs || !mca_funcs->mca_parse_mca_error_count)
-               return -EOPNOTSUPP;
-
-       return mca_funcs->mca_parse_mca_error_count(adev, blk, type, entry, 
count);
-}
-
-static int amdgpu_mca_dispatch_mca_set(struct amdgpu_device *adev, enum 
amdgpu_ras_block blk, enum amdgpu_mca_error_type type,
-                                      struct mca_bank_set *mca_set, struct 
ras_err_data *err_data)
-{
-       struct amdgpu_smuio_mcm_config_info mcm_info;
-       struct mca_bank_node *node, *tmp;
-       struct mca_bank_entry *entry;
-       uint32_t count;
-       int ret;
-
-       if (!mca_set)
-               return -EINVAL;
-
-       if (!mca_set->nr_entries)
-               return 0;
-
-       list_for_each_entry_safe(node, tmp, &mca_set->list, node) {
-               entry = &node->entry;
-
-               count = 0;
-               ret = amdgpu_mca_smu_parse_mca_error_count(adev, blk, type, 
entry, &count);
-               if (ret && ret != -EOPNOTSUPP)
-                       return ret;
-
-               if (!count)
-                       continue;
-
-               memset(&mcm_info, 0, sizeof(mcm_info));
-
-               mcm_info.socket_id = entry->info.socket_id;
-               mcm_info.die_id = entry->info.aid;
-
-               if (type == AMDGPU_MCA_ERROR_TYPE_UE) {
-                       amdgpu_ras_error_statistic_ue_count(err_data,
-                                                           &mcm_info, 
(uint64_t)count);
-               } else {
-                       if (amdgpu_mca_is_deferred_error(adev, 
entry->regs[MCA_REG_IDX_STATUS]))
-                               amdgpu_ras_error_statistic_de_count(err_data,
-                                                                   &mcm_info, 
(uint64_t)count);
-                       else
-                               amdgpu_ras_error_statistic_ce_count(err_data,
-                                                                   &mcm_info, 
(uint64_t)count);
-               }
-
-               amdgpu_mca_bank_set_remove_node(mca_set, node);
-       }
-
-       return 0;
-}
-
-static int amdgpu_mca_add_mca_set_to_cache(struct amdgpu_device *adev, enum 
amdgpu_mca_error_type type, struct mca_bank_set *new)
-{
-       struct mca_bank_cache *mca_cache = &adev->mca.mca_caches[type];
-       int ret;
-
-       mutex_lock(&mca_cache->lock);
-       ret = amdgpu_mca_bank_set_merge(&mca_cache->mca_set, new);
-       mutex_unlock(&mca_cache->lock);
-
-       return ret;
-}
-
-int amdgpu_mca_smu_log_ras_error(struct amdgpu_device *adev, enum 
amdgpu_ras_block blk, enum amdgpu_mca_error_type type,
-                                struct ras_err_data *err_data, struct 
ras_query_context *qctx)
-{
-       struct mca_bank_set mca_set;
-       struct mca_bank_cache *mca_cache = &adev->mca.mca_caches[type];
-       int ret;
-
-       amdgpu_mca_bank_set_init(&mca_set);
-
-       ret = amdgpu_mca_smu_get_mca_set(adev, type, &mca_set, qctx);
-       if (ret)
-               goto out_mca_release;
-
-       ret = amdgpu_mca_dispatch_mca_set(adev, blk, type, &mca_set, err_data);
-       if (ret)
-               goto out_mca_release;
-
-       /* add remain mca bank to mca cache */
-       if (mca_set.nr_entries) {
-               ret = amdgpu_mca_add_mca_set_to_cache(adev, type, &mca_set);
-               if (ret)
-                       goto out_mca_release;
-       }
-
-       /* dispatch mca set again if mca cache has valid data */
-       mutex_lock(&mca_cache->lock);
-       if (mca_cache->mca_set.nr_entries)
-               ret = amdgpu_mca_dispatch_mca_set(adev, blk, type, 
&mca_cache->mca_set, err_data);
-       mutex_unlock(&mca_cache->lock);
-
-out_mca_release:
-       amdgpu_mca_bank_set_release(&mca_set);
-
-       return ret;
-}
-
-#if defined(CONFIG_DEBUG_FS)
-static int amdgpu_mca_smu_debug_mode_set(void *data, u64 val)
-{
-       struct amdgpu_device *adev = (struct amdgpu_device *)data;
-       int ret;
-
-       ret = amdgpu_ras_set_mca_debug_mode(adev, val ? true : false);
-       if (ret)
-               return ret;
-
-       dev_info(adev->dev, "amdgpu set smu mca debug mode %s success\n", val ? 
"on" : "off");
-
-       return 0;
-}
-
-static void mca_dump_entry(struct seq_file *m, struct mca_bank_entry *entry)
-{
-       int i, idx = entry->idx;
-       int reg_idx_array[] = {
-               MCA_REG_IDX_STATUS,
-               MCA_REG_IDX_ADDR,
-               MCA_REG_IDX_MISC0,
-               MCA_REG_IDX_IPID,
-               MCA_REG_IDX_SYND,
-       };
-
-       seq_printf(m, "mca entry[%d].type: %s\n", idx, entry->type == 
AMDGPU_MCA_ERROR_TYPE_UE ? "UE" : "CE");
-       seq_printf(m, "mca entry[%d].ip: %d\n", idx, entry->ip);
-       seq_printf(m, "mca entry[%d].info: socketid:%d aid:%d hwid:0x%03x 
mcatype:0x%04x\n",
-                  idx, entry->info.socket_id, entry->info.aid, 
entry->info.hwid, entry->info.mcatype);
-
-       for (i = 0; i < ARRAY_SIZE(reg_idx_array); i++)
-               seq_printf(m, "mca entry[%d].regs[%d]: 0x%016llx\n", idx, 
reg_idx_array[i], entry->regs[reg_idx_array[i]]);
-}
-
-static int mca_dump_show(struct seq_file *m, enum amdgpu_mca_error_type type)
-{
-       struct amdgpu_device *adev = (struct amdgpu_device *)m->private;
-       struct mca_bank_node *node;
-       struct mca_bank_set mca_set;
-       struct ras_query_context qctx;
-       int ret;
-
-       amdgpu_mca_bank_set_init(&mca_set);
-
-       qctx.evid.event_id = RAS_EVENT_INVALID_ID;
-       ret = amdgpu_mca_smu_get_mca_set(adev, type, &mca_set, &qctx);
-       if (ret)
-               goto err_free_mca_set;
-
-       seq_printf(m, "amdgpu smu %s valid mca count: %d\n",
-                  type == AMDGPU_MCA_ERROR_TYPE_UE ? "UE" : "CE", 
mca_set.nr_entries);
-
-       if (!mca_set.nr_entries)
-               goto err_free_mca_set;
-
-       list_for_each_entry(node, &mca_set.list, node)
-               mca_dump_entry(m, &node->entry);
-
-       /* add mca bank to mca bank cache */
-       ret = amdgpu_mca_add_mca_set_to_cache(adev, type, &mca_set);
-
-err_free_mca_set:
-       amdgpu_mca_bank_set_release(&mca_set);
-
-       return ret;
-}
-
-static int mca_dump_ce_show(struct seq_file *m, void *unused)
-{
-       return mca_dump_show(m, AMDGPU_MCA_ERROR_TYPE_CE);
-}
-
-static int mca_dump_ce_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, mca_dump_ce_show, inode->i_private);
-}
-
-static const struct file_operations mca_ce_dump_debug_fops = {
-       .owner = THIS_MODULE,
-       .open = mca_dump_ce_open,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-
-static int mca_dump_ue_show(struct seq_file *m, void *unused)
-{
-       return mca_dump_show(m, AMDGPU_MCA_ERROR_TYPE_UE);
-}
-
-static int mca_dump_ue_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, mca_dump_ue_show, inode->i_private);
-}
-
-static const struct file_operations mca_ue_dump_debug_fops = {
-       .owner = THIS_MODULE,
-       .open = mca_dump_ue_open,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
-
-DEFINE_DEBUGFS_ATTRIBUTE(mca_debug_mode_fops, NULL, 
amdgpu_mca_smu_debug_mode_set, "%llu\n");
-#endif
-
-void amdgpu_mca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry 
*root)
-{
-#if defined(CONFIG_DEBUG_FS)
-       if (!root)
-               return;
-
-       debugfs_create_file("mca_debug_mode", 0200, root, adev, 
&mca_debug_mode_fops);
-       debugfs_create_file("mca_ue_dump", 0400, root, adev, 
&mca_ue_dump_debug_fops);
-       debugfs_create_file("mca_ce_dump", 0400, root, adev, 
&mca_ce_dump_debug_fops);
-#endif
-}
-
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h
index e80323ff90c1..6d12f8a516d5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h
@@ -23,45 +23,6 @@
 
 #include "amdgpu_ras.h"
 
-#define MCA_MAX_REGS_COUNT     (16)
-
-#define MCA_REG_FIELD(x, h, l)                 (((x) & GENMASK_ULL(h, l)) >> l)
-#define MCA_REG__STATUS__VAL(x)                        MCA_REG_FIELD(x, 63, 63)
-#define MCA_REG__STATUS__OVERFLOW(x)           MCA_REG_FIELD(x, 62, 62)
-#define MCA_REG__STATUS__UC(x)                 MCA_REG_FIELD(x, 61, 61)
-#define MCA_REG__STATUS__EN(x)                 MCA_REG_FIELD(x, 60, 60)
-#define MCA_REG__STATUS__MISCV(x)              MCA_REG_FIELD(x, 59, 59)
-#define MCA_REG__STATUS__ADDRV(x)              MCA_REG_FIELD(x, 58, 58)
-#define MCA_REG__STATUS__PCC(x)                        MCA_REG_FIELD(x, 57, 57)
-#define MCA_REG__STATUS__ERRCOREIDVAL(x)       MCA_REG_FIELD(x, 56, 56)
-#define MCA_REG__STATUS__TCC(x)                        MCA_REG_FIELD(x, 55, 55)
-#define MCA_REG__STATUS__SYNDV(x)              MCA_REG_FIELD(x, 53, 53)
-#define MCA_REG__STATUS__CECC(x)               MCA_REG_FIELD(x, 46, 46)
-#define MCA_REG__STATUS__UECC(x)               MCA_REG_FIELD(x, 45, 45)
-#define MCA_REG__STATUS__DEFERRED(x)           MCA_REG_FIELD(x, 44, 44)
-#define MCA_REG__STATUS__POISON(x)             MCA_REG_FIELD(x, 43, 43)
-#define MCA_REG__STATUS__SCRUB(x)              MCA_REG_FIELD(x, 40, 40)
-#define MCA_REG__STATUS__ERRCOREID(x)          MCA_REG_FIELD(x, 37, 32)
-#define MCA_REG__STATUS__ADDRLSB(x)            MCA_REG_FIELD(x, 29, 24)
-#define MCA_REG__STATUS__ERRORCODEEXT(x)       MCA_REG_FIELD(x, 21, 16)
-#define MCA_REG__STATUS__ERRORCODE(x)          MCA_REG_FIELD(x, 15, 0)
-
-#define MCA_REG__MISC0__ERRCNT(x)              MCA_REG_FIELD(x, 43, 32)
-
-#define MCA_REG__SYND__ERRORINFORMATION(x)     MCA_REG_FIELD(x, 17, 0)
-
-enum amdgpu_mca_ip {
-       AMDGPU_MCA_IP_UNKNOW = -1,
-       AMDGPU_MCA_IP_PSP = 0,
-       AMDGPU_MCA_IP_SDMA,
-       AMDGPU_MCA_IP_GC,
-       AMDGPU_MCA_IP_SMU,
-       AMDGPU_MCA_IP_MP5,
-       AMDGPU_MCA_IP_UMC,
-       AMDGPU_MCA_IP_PCS_XGMI,
-       AMDGPU_MCA_IP_COUNT,
-};
-
 enum amdgpu_mca_error_type {
        AMDGPU_MCA_ERROR_TYPE_UE = 0,
        AMDGPU_MCA_ERROR_TYPE_CE,
@@ -77,77 +38,20 @@ struct amdgpu_mca_ras {
        struct amdgpu_mca_ras_block *ras;
 };
 
-struct mca_bank_set {
-       int nr_entries;
-       struct list_head list;
-};
-
-struct mca_bank_cache {
-       struct mca_bank_set mca_set;
-       struct mutex lock;
-};
-
 struct amdgpu_mca {
        struct amdgpu_mca_ras mp0;
        struct amdgpu_mca_ras mp1;
        struct amdgpu_mca_ras mpio;
-       const struct amdgpu_mca_smu_funcs *mca_funcs;
-       struct mca_bank_cache mca_caches[AMDGPU_MCA_ERROR_TYPE_DE];
-       atomic_t ue_update_flag;
-};
-
-enum mca_reg_idx {
-       MCA_REG_IDX_STATUS              = 1,
-       MCA_REG_IDX_ADDR                = 2,
-       MCA_REG_IDX_MISC0               = 3,
-       MCA_REG_IDX_IPID                = 5,
-       MCA_REG_IDX_SYND                = 6,
-       MCA_REG_IDX_COUNT               = 16,
-};
-
-struct mca_bank_info {
-       int socket_id;
-       int aid;
-       int hwid;
-       int mcatype;
-};
-
-struct mca_bank_entry {
-       int idx;
-       enum amdgpu_mca_error_type type;
-       enum amdgpu_mca_ip ip;
-       struct mca_bank_info info;
-       uint64_t regs[MCA_MAX_REGS_COUNT];
-};
-
-struct mca_bank_node {
-       struct mca_bank_entry entry;
-       struct list_head node;
-};
-
-struct amdgpu_mca_smu_funcs {
-       int max_ue_count;
-       int max_ce_count;
-       int (*mca_set_debug_mode)(struct amdgpu_device *adev, bool enable);
-       int (*mca_parse_mca_error_count)(struct amdgpu_device *adev, enum 
amdgpu_ras_block blk, enum amdgpu_mca_error_type type,
-                                        struct mca_bank_entry *entry, uint32_t 
*count);
-       int (*mca_get_valid_mca_count)(struct amdgpu_device *adev, enum 
amdgpu_mca_error_type type,
-                                      uint32_t *count);
-       int (*mca_get_mca_entry)(struct amdgpu_device *adev, enum 
amdgpu_mca_error_type type,
-                                int idx, struct mca_bank_entry *entry);
 };
 
 void amdgpu_mca_query_correctable_error_count(struct amdgpu_device *adev,
                                              uint64_t mc_status_addr,
                                              unsigned long *error_count);
-
 void amdgpu_mca_query_uncorrectable_error_count(struct amdgpu_device *adev,
                                                uint64_t mc_status_addr,
                                                unsigned long *error_count);
-
 void amdgpu_mca_reset_error_count(struct amdgpu_device *adev,
                                  uint64_t mc_status_addr);
-
 void amdgpu_mca_query_ras_error_count(struct amdgpu_device *adev,
                                      uint64_t mc_status_addr,
                                      void *ras_error_status);
@@ -155,15 +59,4 @@ int amdgpu_mca_mp0_ras_sw_init(struct amdgpu_device *adev);
 int amdgpu_mca_mp1_ras_sw_init(struct amdgpu_device *adev);
 int amdgpu_mca_mpio_ras_sw_init(struct amdgpu_device *adev);
 
-void amdgpu_mca_smu_init_funcs(struct amdgpu_device *adev, const struct 
amdgpu_mca_smu_funcs *mca_funcs);
-int amdgpu_mca_init(struct amdgpu_device *adev);
-void amdgpu_mca_fini(struct amdgpu_device *adev);
-int amdgpu_mca_reset(struct amdgpu_device *adev);
-int amdgpu_mca_smu_set_debug_mode(struct amdgpu_device *adev, bool enable);
-int amdgpu_mca_smu_get_mca_set_error_count(struct amdgpu_device *adev, enum 
amdgpu_ras_block blk,
-                                          enum amdgpu_mca_error_type type, 
uint32_t *total);
-void amdgpu_mca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry 
*root);
-int amdgpu_mca_smu_log_ras_error(struct amdgpu_device *adev, enum 
amdgpu_ras_block blk, enum amdgpu_mca_error_type type,
-                                struct ras_err_data *err_data, struct 
ras_query_context *qctx);
-
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 05d65bf06c71..0e76aa46b453 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1392,7 +1392,7 @@ static int amdgpu_ras_query_error_status_helper(struct 
amdgpu_device *adev,
 
        if (error_query_mode == AMDGPU_RAS_VIRT_ERROR_COUNT_QUERY) {
                return amdgpu_virt_req_ras_err_count(adev, blk, err_data);
-       } else if (error_query_mode == AMDGPU_RAS_DIRECT_ERROR_QUERY) {
+       } else {
                if (info->head.block == AMDGPU_RAS_BLOCK__UMC) {
                        amdgpu_ras_get_ecc_info(adev, err_data);
                } else {
@@ -1413,10 +1413,6 @@ static int amdgpu_ras_query_error_status_helper(struct 
amdgpu_device *adev,
                                        
block_obj->hw_ops->query_ras_error_status(adev);
                        }
                }
-       } else {
-               /* FIXME: add code to check return value later */
-               amdgpu_mca_smu_log_ras_error(adev, blk, 
AMDGPU_MCA_ERROR_TYPE_UE, err_data, qctx);
-               amdgpu_mca_smu_log_ras_error(adev, blk, 
AMDGPU_MCA_ERROR_TYPE_CE, err_data, qctx);
        }
 
        return 0;
@@ -1533,7 +1529,6 @@ int amdgpu_ras_reset_error_count(struct amdgpu_device 
*adev,
                enum amdgpu_ras_block block)
 {
        struct amdgpu_ras_block_object *block_obj = 
amdgpu_ras_get_ras_block(adev, block, 0);
-       const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs;
 
        if (!block_obj || !block_obj->hw_ops) {
                dev_dbg_once(adev->dev, "%s doesn't config RAS function\n",
@@ -1541,16 +1536,14 @@ int amdgpu_ras_reset_error_count(struct amdgpu_device 
*adev,
                return -EOPNOTSUPP;
        }
 
-       if (!amdgpu_ras_is_supported(adev, block) ||
-           !amdgpu_ras_get_mca_debug_mode(adev))
+       if (!amdgpu_ras_is_supported(adev, block))
                return -EOPNOTSUPP;
 
        if (amdgpu_sriov_vf(adev))
                return -EOPNOTSUPP;
 
        /* skip ras error reset in gpu reset */
-       if ((amdgpu_in_reset(adev) || amdgpu_ras_in_recovery(adev)) &&
-           mca_funcs && mca_funcs->mca_set_debug_mode)
+       if (amdgpu_in_reset(adev) || amdgpu_ras_in_recovery(adev))
                return -EOPNOTSUPP;
 
        if (block_obj->hw_ops->reset_ras_error_count)
@@ -4724,39 +4717,10 @@ int amdgpu_ras_reset_gpu(struct amdgpu_device *adev)
        return 0;
 }
 
-int amdgpu_ras_set_mca_debug_mode(struct amdgpu_device *adev, bool enable)
-{
-       struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
-       int ret = 0;
-
-       if (con) {
-               ret = amdgpu_mca_smu_set_debug_mode(adev, enable);
-               if (!ret)
-                       con->is_mca_debug_mode = enable;
-       }
-
-       return ret;
-}
-
-bool amdgpu_ras_get_mca_debug_mode(struct amdgpu_device *adev)
-{
-       struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
-       const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs;
-
-       if (!con)
-               return false;
-
-       if (mca_funcs && mca_funcs->mca_set_debug_mode)
-               return con->is_mca_debug_mode;
-       else
-               return true;
-}
-
 bool amdgpu_ras_get_error_query_mode(struct amdgpu_device *adev,
                                     unsigned int *error_query_mode)
 {
        struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
-       const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs;
 
        if (!con) {
                *error_query_mode = AMDGPU_RAS_INVALID_ERROR_QUERY;
@@ -4765,9 +4729,6 @@ bool amdgpu_ras_get_error_query_mode(struct amdgpu_device 
*adev,
 
        if (amdgpu_sriov_vf(adev)) {
                *error_query_mode = AMDGPU_RAS_VIRT_ERROR_COUNT_QUERY;
-       } else if (mca_funcs && mca_funcs->mca_set_debug_mode) {
-               *error_query_mode =
-                       (con->is_mca_debug_mode) ? 
AMDGPU_RAS_DIRECT_ERROR_QUERY : AMDGPU_RAS_FIRMWARE_ERROR_QUERY;
        } else {
                *error_query_mode = AMDGPU_RAS_DIRECT_ERROR_QUERY;
        }
-- 
2.34.1

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