drm/amdgpu: add interface to update umc v12_0 ecc status

Add interface to update umc v12_0 ecc status.

Signed-off-by: YiPeng Chai <[email protected]>
Reviewed-by: Tao Zhou <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: YiPeng Chai

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

@@ -4215,6 +4215,8 @@ void amdgpu_ras_add_mca_err_addr(struct ras_err_info *err_info, struct ras_err_a
 {
 	struct ras_err_addr *mca_err_addr;
 
+	/* This function will be retired. */
+	return;
 	mca_err_addr = kzalloc(sizeof(*mca_err_addr), GFP_KERNEL);
 	if (!mca_err_addr)
 		return;

drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c

@@ -437,3 +437,12 @@ int amdgpu_umc_loop_channels(struct amdgpu_device *adev,
 
 	return 0;
 }
+
+int amdgpu_umc_update_ecc_status(struct amdgpu_device *adev,
+				uint64_t status, uint64_t ipid, uint64_t addr)
+{
+	if (adev->umc.ras->update_ecc_status)
+		return adev->umc.ras->update_ecc_status(adev,
+					status, ipid, addr);
+	return 0;
+}

drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h

@@ -66,6 +66,8 @@ struct amdgpu_umc_ras {
 					void *ras_error_status);
 	bool (*check_ecc_err_status)(struct amdgpu_device *adev,
 			enum amdgpu_mca_error_type type, void *ras_error_status);
+	int (*update_ecc_status)(struct amdgpu_device *adev,
+			uint64_t status, uint64_t ipid, uint64_t addr);
 };
 
 struct amdgpu_umc_funcs {
@@ -122,4 +124,8 @@ int amdgpu_umc_loop_channels(struct amdgpu_device *adev,
 
 int amdgpu_umc_bad_page_polling_timeout(struct amdgpu_device *adev,
 			uint32_t reset, uint32_t timeout_ms);
+
+int amdgpu_umc_update_ecc_status(struct amdgpu_device *adev,
+				uint64_t status, uint64_t ipid, uint64_t addr);
+
 #endif

drivers/gpu/drm/amd/amdgpu/umc_v12_0.c

@@ -479,6 +479,29 @@ static int umc_v12_0_ras_late_init(struct amdgpu_device *adev, struct ras_common
 	return 0;
 }
 
+static int umc_v12_0_update_ecc_status(struct amdgpu_device *adev,
+			uint64_t status, uint64_t ipid, uint64_t addr)
+{
+	uint16_t hwid, mcatype;
+	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+
+	hwid = REG_GET_FIELD(ipid, MCMP1_IPIDT0, HardwareID);
+	mcatype = REG_GET_FIELD(ipid, MCMP1_IPIDT0, McaType);
+
+	if ((hwid != MCA_UMC_HWID_V12_0) || (mcatype != MCA_UMC_MCATYPE_V12_0))
+		return 0;
+
+	if (!status)
+		return 0;
+
+	if (!umc_v12_0_is_deferred_error(adev, status))
+		return 0;
+
+	con->umc_ecc_log.de_updated = true;
+
+	return 0;
+}
+
 struct amdgpu_umc_ras umc_v12_0_ras = {
 	.ras_block = {
 		.hw_ops = &umc_v12_0_ras_hw_ops,
@@ -489,5 +512,6 @@ struct amdgpu_umc_ras umc_v12_0_ras = {
 	.ecc_info_query_ras_error_count = umc_v12_0_ecc_info_query_ras_error_count,
 	.ecc_info_query_ras_error_address = umc_v12_0_ecc_info_query_ras_error_address,
 	.check_ecc_err_status = umc_v12_0_check_ecc_err_status,
+	.update_ecc_status = umc_v12_0_update_ecc_status,
 };
 

drivers/gpu/drm/amd/amdgpu/umc_v12_0.h

@@ -62,6 +62,9 @@
 /* row bits in SOC physical address */
 #define UMC_V12_0_PA_R13_BIT 35
 
+#define MCA_UMC_HWID_V12_0     0x96
+#define MCA_UMC_MCATYPE_V12_0  0x0
+
 #define MCA_IPID_LO_2_UMC_CH(_ipid_lo) (((((_ipid_lo) >> 20) & 0x1) * 4) + \
 			(((_ipid_lo) >> 12) & 0xF))
 #define MCA_IPID_LO_2_UMC_INST(_ipid_lo) (((_ipid_lo) >> 21) & 0x7)

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c

@@ -2716,6 +2716,11 @@ static int mca_umc_mca_get_err_count(const struct mca_ras_info *mca_ras, struct
 	    umc_v12_0_is_correctable_error(adev, status0))
 		*count = (ext_error_code == 0) ? odecc_err_cnt : 1;
 
+	amdgpu_umc_update_ecc_status(adev,
+			entry->regs[MCA_REG_IDX_STATUS],
+			entry->regs[MCA_REG_IDX_IPID],
+			entry->regs[MCA_REG_IDX_ADDR]);
+
 	return 0;
 }