[PATCH 4/8] drm/amdgpu: skip writing eeprom when PMFW manages RAS data

[Tao Zhou]

Only update bad page number in legacy eeprom write path.

Signed-off-by: Tao Zhou <tao.zh...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | 18 ++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h |  3 +++
 2 files changed, 21 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
index 47f292557a0c..4e6c1d55ce8a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
@@ -871,6 +871,18 @@ amdgpu_ras_eeprom_update_header(struct 
amdgpu_ras_eeprom_control *control)
        return res;
 }
 
+int amdgpu_ras_eeprom_update_record_num(struct amdgpu_ras_eeprom_control 
*control)
+{
+       struct amdgpu_device *adev = to_amdgpu_device(control);
+
+       if (!amdgpu_ras_smu_eeprom_supported(adev))
+               return 0;
+
+       control->ras_num_recs_old = control->ras_num_recs;
+       return amdgpu_ras_smu_get_badpage_count(adev,
+                       &(control->ras_num_recs), 12);
+}
+
 /**
  * amdgpu_ras_eeprom_append -- append records to the EEPROM RAS table
  * @control: pointer to control structure
@@ -889,12 +901,18 @@ int amdgpu_ras_eeprom_append(struct 
amdgpu_ras_eeprom_control *control,
                             const u32 num)
 {
        struct amdgpu_device *adev = to_amdgpu_device(control);
+       struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
        int res, i;
        uint64_t nps = AMDGPU_NPS1_PARTITION_MODE;
 
        if (!__is_ras_eeprom_supported(adev))
                return 0;
 
+       if (amdgpu_ras_smu_eeprom_supported(adev)) {
+               control->ras_num_bad_pages = con->bad_page_num;
+               return 0;
+       }
+
        if (num == 0) {
                dev_err(adev->dev, "will not append 0 records\n");
                return -EINVAL;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h
index e881007f715b..2e5d63957e71 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h
@@ -82,6 +82,7 @@ struct amdgpu_ras_eeprom_control {
        /* Number of records in the table.
         */
        u32 ras_num_recs;
+       u32 ras_num_recs_old;
 
        /* the bad page number is ras_num_recs or
         * ras_num_recs * umc.retire_unit
@@ -190,6 +191,8 @@ int amdgpu_ras_eeprom_read_idx(struct 
amdgpu_ras_eeprom_control *control,
                        struct eeprom_table_record *record, u32 rec_idx,
                        const u32 num);
 
+int amdgpu_ras_eeprom_update_record_num(struct amdgpu_ras_eeprom_control 
*control);
+
 extern const struct file_operations amdgpu_ras_debugfs_eeprom_size_ops;
 extern const struct file_operations amdgpu_ras_debugfs_eeprom_table_ops;
 
-- 
2.34.1