drm/amdgpu: Add uniras version in sysfs

Display uniras version in sysfs version interface
when uniras enable.

v2: display ras version detail info

Signed-off-by: Jinzhou Su <jinzhou.su@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 31 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index b22ce0a567f2..7f899d3e1bfa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1950,12 +1950,42 @@ static ssize_t amdgpu_ras_sysfs_features_read(struct device *dev,
 	return sysfs_emit(buf, "feature mask: 0x%x\n", con->features);
 }
 
+static bool amdgpu_ras_get_version_info(struct amdgpu_device *adev, u32 *major,
+			u32 *minor, u32 *rev)
+{
+	int i;
+
+	if (!adev || !major || !minor || !rev || !amdgpu_uniras_enabled(adev))
+		return false;
+
+	for (i = 0; i < adev->num_ip_blocks; i++) {
+		if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_RAS) {
+			*major = adev->ip_blocks[i].version->major;
+			*minor = adev->ip_blocks[i].version->minor;
+			*rev = adev->ip_blocks[i].version->rev;
+			return true;
+		}
+	}
+
+	return false;
+}
+
 static ssize_t amdgpu_ras_sysfs_version_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
 	struct amdgpu_ras *con =
 		container_of(attr, struct amdgpu_ras, version_attr);
-	return sysfs_emit(buf, "table version: 0x%x\n", con->eeprom_control.tbl_hdr.version);
+	u32 major, minor, rev;
+	ssize_t size = 0;
+
+	size += sysfs_emit_at(buf, size, "table version: 0x%x\n",
+			con->eeprom_control.tbl_hdr.version);
+
+	if (amdgpu_ras_get_version_info(con->adev, &major, &minor, &rev))
+		size += sysfs_emit_at(buf, size, "ras version: %u.%u.%u\n",
+			major, minor, rev);
+
+	return size;
 }
 
 static ssize_t amdgpu_ras_sysfs_schema_show(struct device *dev,