[PATCH] drm/amdgpu: add new aca smu callback func parse_error_code{}

[Yang Wang]

add new aca smu callback parse_error_code{} to avoid specific asic check
in amdgpu_aca.c file

Signed-off-by: Yang Wang <kevinyang.wang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c       | 23 +++++++------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h       |  1 +
 .../drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c  | 13 +++++++++++
 3 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
index cb6a40a042e1..d1059e4d54d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.c
@@ -753,23 +753,13 @@ int aca_bank_info_decode(struct aca_bank *bank, struct aca_bank_info *info)
 
 static int aca_bank_get_error_code(struct amdgpu_device *adev, struct aca_bank *bank)
 {
-	int error_code;
-
-	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
-	case IP_VERSION(13, 0, 6):
-		if (!(adev->flags & AMD_IS_APU) && adev->pm.fw_version >= 0x00555600) {
-			error_code = ACA_REG__SYND__ERRORINFORMATION(bank->regs[ACA_REG_IDX_SYND]);
-			return error_code & 0xff;
-		}
-		break;
-	default:
-		break;
-	}
+	struct amdgpu_aca *aca = &adev->aca;
+	const struct aca_smu_funcs *smu_funcs = aca->smu_funcs;
 
-	/* NOTE: the true error code is encoded in status.errorcode[0:7] */
-	error_code = ACA_REG__STATUS__ERRORCODE(bank->regs[ACA_REG_IDX_STATUS]);
+	if (!smu_funcs || !smu_funcs->parse_error_code)
+		return -EOPNOTSUPP;
 
-	return error_code & 0xff;
+	return smu_funcs->parse_error_code(adev, bank);
 }
 
 int aca_bank_check_error_codes(struct amdgpu_device *adev, struct aca_bank *bank, int *err_codes, int size)
@@ -780,6 +770,9 @@ int aca_bank_check_error_codes(struct amdgpu_device *adev, struct aca_bank *bank
 		return -EINVAL;
 
 	error_code = aca_bank_get_error_code(adev, bank);
+	if (error_code < 0)
+		return error_code;
+
 	for (i = 0; i < size; i++) {
 		if (err_codes[i] == error_code)
 			return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h
index 3765843ea648..5ef6b745f222 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_aca.h
@@ -173,6 +173,7 @@ struct aca_smu_funcs {
 	int (*set_debug_mode)(struct amdgpu_device *adev, bool enable);
 	int (*get_valid_aca_count)(struct amdgpu_device *adev, enum aca_smu_type type, u32 *count);
 	int (*get_valid_aca_bank)(struct amdgpu_device *adev, enum aca_smu_type type, int idx, struct aca_bank *bank);
+	int (*parse_error_code)(struct amdgpu_device *adev, struct aca_bank *bank);
 };
 
 struct amdgpu_aca {
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 d6d5be26e222..59e5c6256ea2 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
@@ -3119,12 +3119,25 @@ static int aca_smu_get_valid_aca_bank(struct amdgpu_device *adev,
 	return 0;
 }
 
+static int aca_smu_parse_error_code(struct amdgpu_device *adev, struct aca_bank *bank)
+{
+	int error_code;
+
+	if (!(adev->flags & AMD_IS_APU) && adev->pm.fw_version >= 0x00555600)
+		error_code = ACA_REG__SYND__ERRORINFORMATION(bank->regs[ACA_REG_IDX_SYND]);
+	else
+		error_code = ACA_REG__STATUS__ERRORCODE(bank->regs[ACA_REG_IDX_STATUS]);
+
+	return error_code & 0xff;
+}
+
 static const struct aca_smu_funcs smu_v13_0_6_aca_smu_funcs = {
 	.max_ue_bank_count = 12,
 	.max_ce_bank_count = 12,
 	.set_debug_mode = aca_smu_set_debug_mode,
 	.get_valid_aca_count = aca_smu_get_valid_aca_count,
 	.get_valid_aca_bank = aca_smu_get_valid_aca_bank,
+	.parse_error_code = aca_smu_parse_error_code,
 };
 
 static int smu_v13_0_6_select_xgmi_plpd_policy(struct smu_context *smu,
-- 
2.34.1