diff --git a/drivers/video/rockchip/rga3/include/rga.h b/drivers/video/rockchip/rga3/include/rga.h
index 2a60a1ae72db..3642dc921c81 100644
--- a/drivers/video/rockchip/rga3/include/rga.h
+++ b/drivers/video/rockchip/rga3/include/rga.h
@@ -206,6 +206,7 @@ enum rga_surf_format {
 	RGA_FORMAT_ABGR_4444		= 0x2f,
 
 	RGA_FORMAT_RGBA_2BPP		= 0x30,
+	RGA_FORMAT_A8			= 0x31,
 
 	RGA_FORMAT_UNKNOWN		= 0x100,
 };
diff --git a/drivers/video/rockchip/rga3/rga2_reg_info.c b/drivers/video/rockchip/rga3/rga2_reg_info.c
index 8792e8d64dfc..e752ef271ed4 100644
--- a/drivers/video/rockchip/rga3/rga2_reg_info.c
+++ b/drivers/video/rockchip/rga3/rga2_reg_info.c
@@ -804,6 +804,10 @@ static void RGA2_set_reg_dst_info(u8 *base, struct rga2_req *msg)
 		bbp_shift = 2;
 		src1_alpha_swp = msg->osd_info.bpp2_info.ac_swap;
 		break;
+	case RGA_FORMAT_A8:
+		src1_format = 0x3;
+		spw = 1;
+		break;
 	default:
 		spw = 4;
 		break;
diff --git a/drivers/video/rockchip/rga3/rga_common.c b/drivers/video/rockchip/rga3/rga_common.c
index 80d4821fb321..e50503a44f4f 100644
--- a/drivers/video/rockchip/rga3/rga_common.c
+++ b/drivers/video/rockchip/rga3/rga_common.c
@@ -88,6 +88,8 @@ bool rga_is_alpha_format(uint32_t format)
 	case RGA_FORMAT_ABGR_8888:
 	case RGA_FORMAT_ABGR_5551:
 	case RGA_FORMAT_ABGR_4444:
+
+	case RGA_FORMAT_A8:
 		return true;
 	default:
 		return false;
@@ -335,6 +337,8 @@ const char *rga_get_format_name(uint32_t format)
 	case RGA_FORMAT_RGBA_2BPP:
 		return "RGBA2BPP";
 
+	case RGA_FORMAT_A8:
+		return "alpha-8";
 	default:
 		return "UNF";
 	}
@@ -398,6 +402,7 @@ int rga_get_format_bits(uint32_t format)
 		break;
 	case RGA_FORMAT_YCbCr_400:
 	case RGA_FORMAT_BPP8:
+	case RGA_FORMAT_A8:
 		bits = 8;
 		break;
 	case RGA_FORMAT_Y4:
@@ -468,6 +473,7 @@ int rga_get_pixel_stride_from_format(uint32_t format)
 	case RGA_FORMAT_BPP4:
 	case RGA_FORMAT_BPP8:
 	case RGA_FORMAT_YCbCr_400:
+	case RGA_FORMAT_A8:
 	case RGA_FORMAT_YCbCr_420_SP:
 	case RGA_FORMAT_YCbCr_420_P:
 	case RGA_FORMAT_YCrCb_420_SP:
@@ -737,6 +743,7 @@ int rga_image_size_cal(int w, int h, int format,
 		v = uv;
 		break;
 	case RGA_FORMAT_YCbCr_400:
+	case RGA_FORMAT_A8:
 		yrgb = w * h;
 		break;
 	case RGA_FORMAT_Y4: