1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
index ee0456b5e14e..e0c8d6f09bb4 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
@@ -2393,6 +2393,26 @@ static enum bp_result get_vram_info_v25(
 	return result;
 }
 
+static enum bp_result get_vram_info_v30(
+	struct bios_parser *bp,
+	struct dc_vram_info *info)
+{
+	struct atom_vram_info_header_v3_0 *info_v30;
+	enum bp_result result = BP_RESULT_OK;
+
+	info_v30 = GET_IMAGE(struct atom_vram_info_header_v3_0,
+						DATA_TABLES(vram_info));
+
+	if (info_v30 == NULL)
+		return BP_RESULT_BADBIOSTABLE;
+
+	info->num_chans = info_v30->channel_num;
+	info->dram_channel_width_bytes = (1 << info_v30->channel_width) / 8;
+
+	return result;
+}
+
+
 /*
  * get_integrated_info_v11
  *
@@ -3060,6 +3080,16 @@ static enum bp_result bios_parser_get_vram_info(
 			}
 			break;
 
+		case 3:
+			switch (revision.minor) {
+			case 0:
+				result = get_vram_info_v30(bp, info);
+				break;
+			default:
+				break;
+			}
+			break;
+
 		default:
 			return result;
 		}