[PATCH 1/4] drm/amdgpu: remove unused MCA driver codes

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- remove unused callback functions.
- make part of mca functions static and refine the function order.

Signed-off-by: Yang Wang <kevinyang.wang@xxxxxxx>
Reviewed-by: Tao Zhou <tao.zhou1@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c       | 199 ++++++++----------
 drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h       |  16 --
 .../drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c  |  50 -----
 3 files changed, 82 insertions(+), 183 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c
index 0734490347db..67c208861994 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.c
@@ -153,7 +153,7 @@ int amdgpu_mca_mpio_ras_sw_init(struct amdgpu_device *adev)
 	return 0;
 }
 
-void amdgpu_mca_bank_set_init(struct mca_bank_set *mca_set)
+static void amdgpu_mca_bank_set_init(struct mca_bank_set *mca_set)
 {
 	if (!mca_set)
 		return;
@@ -162,7 +162,7 @@ void amdgpu_mca_bank_set_init(struct mca_bank_set *mca_set)
 	INIT_LIST_HEAD(&mca_set->list);
 }
 
-int amdgpu_mca_bank_set_add_entry(struct mca_bank_set *mca_set, struct mca_bank_entry *entry)
+static int amdgpu_mca_bank_set_add_entry(struct mca_bank_set *mca_set, struct mca_bank_entry *entry)
 {
 	struct mca_bank_node *node;
 
@@ -183,7 +183,7 @@ int amdgpu_mca_bank_set_add_entry(struct mca_bank_set *mca_set, struct mca_bank_
 	return 0;
 }
 
-void amdgpu_mca_bank_set_release(struct mca_bank_set *mca_set)
+static void amdgpu_mca_bank_set_release(struct mca_bank_set *mca_set)
 {
 	struct mca_bank_node *node, *tmp;
 
@@ -228,6 +228,84 @@ static void amdgpu_mca_smu_mca_bank_dump(struct amdgpu_device *adev, int idx, st
 		      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 int amdgpu_mca_smu_get_mca_set(struct amdgpu_device *adev, enum amdgpu_mca_error_type type, struct mca_bank_set *mca_set)
+{
+	struct mca_bank_entry entry;
+	uint32_t count = 0, i;
+	int ret;
+
+	if (!mca_set)
+		return -EINVAL;
+
+	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);
+	}
+
+	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);
+}
+
 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)
 {
@@ -241,7 +319,7 @@ int amdgpu_mca_smu_log_ras_error(struct amdgpu_device *adev, enum amdgpu_ras_blo
 
 	amdgpu_mca_bank_set_init(&mca_set);
 
-	ret = amdgpu_mca_smu_get_mca_set(adev, blk, type, &mca_set);
+	ret = amdgpu_mca_smu_get_mca_set(adev, type, &mca_set);
 	if (ret)
 		goto out_mca_release;
 
@@ -286,119 +364,6 @@ int amdgpu_mca_smu_log_ras_error(struct amdgpu_device *adev, enum amdgpu_ras_blo
 	return ret;
 }
 
-
-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;
-}
-
-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)
-{
-	const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs;
-	struct mca_bank_set mca_set;
-	struct mca_bank_node *node;
-	struct mca_bank_entry *entry;
-	uint32_t count;
-	int ret;
-
-	if (!total)
-		return -EINVAL;
-
-	if (!mca_funcs)
-		return -EOPNOTSUPP;
-
-	if (!mca_funcs->mca_get_ras_mca_set || !mca_funcs->mca_get_valid_mca_count)
-		return -EOPNOTSUPP;
-
-	amdgpu_mca_bank_set_init(&mca_set);
-
-	ret = mca_funcs->mca_get_ras_mca_set(adev, blk, type, &mca_set);
-	if (ret)
-		goto err_mca_set_release;
-
-	*total = 0;
-	list_for_each_entry(node, &mca_set.list, node) {
-		entry = &node->entry;
-
-		count = 0;
-		ret = mca_funcs->mca_parse_mca_error_count(adev, blk, type, entry, &count);
-		if (ret)
-			goto err_mca_set_release;
-
-		*total += count;
-	}
-
-err_mca_set_release:
-	amdgpu_mca_bank_set_release(&mca_set);
-
-	return ret;
-}
-
-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);
-}
-
-int amdgpu_mca_smu_get_mca_set(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
-			       enum amdgpu_mca_error_type type, struct mca_bank_set *mca_set)
-{
-	const struct amdgpu_mca_smu_funcs *mca_funcs = adev->mca.mca_funcs;
-
-	if (!mca_set)
-		return -EINVAL;
-
-	if (!mca_funcs || !mca_funcs->mca_get_ras_mca_set)
-		return -EOPNOTSUPP;
-
-	WARN_ON(!list_empty(&mca_set->list));
-
-	return mca_funcs->mca_get_ras_mca_set(adev, blk, type, mca_set);
-}
-
-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);
-}
-
 #if defined(CONFIG_DEBUG_FS)
 static int amdgpu_mca_smu_debug_mode_set(void *data, u64 val)
 {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h
index e5bf07ce3451..4d0a0f91c375 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h
@@ -122,8 +122,6 @@ 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_get_ras_mca_set)(struct amdgpu_device *adev, enum amdgpu_ras_block blk, enum amdgpu_mca_error_type type,
-				   struct mca_bank_set *mca_set);
 	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,
@@ -152,23 +150,9 @@ 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_smu_set_debug_mode(struct amdgpu_device *adev, bool enable);
-int amdgpu_mca_smu_get_valid_mca_count(struct amdgpu_device *adev, enum amdgpu_mca_error_type type, uint32_t *count);
 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);
-int amdgpu_mca_smu_get_error_count(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
-				   enum amdgpu_mca_error_type type, uint32_t *count);
-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);
-int amdgpu_mca_smu_get_mca_set(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
-			       enum amdgpu_mca_error_type type, struct mca_bank_set *mca_set);
-int amdgpu_mca_smu_get_mca_entry(struct amdgpu_device *adev, enum amdgpu_mca_error_type type,
-				 int idx, struct mca_bank_entry *entry);
-
 void amdgpu_mca_smu_debugfs_init(struct amdgpu_device *adev, struct dentry *root);
-
-void amdgpu_mca_bank_set_init(struct mca_bank_set *mca_set);
-int amdgpu_mca_bank_set_add_entry(struct mca_bank_set *mca_set, struct mca_bank_entry *entry);
-void amdgpu_mca_bank_set_release(struct mca_bank_set *mca_set);
 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);
 
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
index ef17c8c1bf39..ff010cc2f25a 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
@@ -2924,55 +2924,6 @@ static bool mca_bank_is_valid(struct amdgpu_device *adev, const struct mca_ras_i
 	return true;
 }
 
-static int __mca_smu_get_ras_mca_set(struct amdgpu_device *adev, const struct mca_ras_info *mca_ras,
-				     enum amdgpu_mca_error_type type, struct mca_bank_set *mca_set)
-{
-	struct mca_bank_entry entry;
-	uint32_t mca_cnt;
-	int i, ret;
-
-	ret = mca_get_valid_mca_count(adev, type, &mca_cnt);
-	if (ret)
-		return ret;
-
-	/* if valid mca bank count is 0, the driver can return 0 directly */
-	if (!mca_cnt)
-		return 0;
-
-	for (i = 0; i < mca_cnt; i++) {
-		memset(&entry, 0, sizeof(entry));
-		ret = mca_get_mca_entry(adev, type, i, &entry);
-		if (ret)
-			return ret;
-
-		if (mca_ras && !mca_bank_is_valid(adev, mca_ras, type, &entry))
-			continue;
-
-		ret = amdgpu_mca_bank_set_add_entry(mca_set, &entry);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
-}
-
-static int mca_smu_get_ras_mca_set(struct amdgpu_device *adev, enum amdgpu_ras_block blk,
-				   enum amdgpu_mca_error_type type, struct mca_bank_set *mca_set)
-{
-	const struct mca_ras_info *mca_ras = NULL;
-
-	if (!mca_set)
-		return -EINVAL;
-
-	if (blk != AMDGPU_RAS_BLOCK_COUNT) {
-		mca_ras = mca_get_mca_ras_info(adev, blk);
-		if (!mca_ras)
-			return -EOPNOTSUPP;
-	}
-
-	return __mca_smu_get_ras_mca_set(adev, mca_ras, type, mca_set);
-}
-
 static int 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)
 {
@@ -3009,7 +2960,6 @@ static const struct amdgpu_mca_smu_funcs smu_v13_0_6_mca_smu_funcs = {
 	.max_ue_count = 12,
 	.max_ce_count = 12,
 	.mca_set_debug_mode = mca_smu_set_debug_mode,
-	.mca_get_ras_mca_set = mca_smu_get_ras_mca_set,
 	.mca_parse_mca_error_count = mca_smu_parse_mca_error_count,
 	.mca_get_mca_entry = mca_smu_get_mca_entry,
 	.mca_get_valid_mca_count = mca_smu_get_valid_mca_count,
-- 
2.34.1




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