drm/amdgpu: get the correct vram type for van gogh

This patch is to get the correct vram type from atombios for van gogh.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -149,6 +149,10 @@ static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
 		case LpDdr4MemType:
 			vram_type = AMDGPU_VRAM_TYPE_DDR4;
 			break;
+		case Ddr5MemType:
+		case LpDdr5MemType:
+			vram_type = AMDGPU_VRAM_TYPE_DDR5;
+			break;
 		default:
 			vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
 			break;

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

@@ -1063,6 +1063,7 @@ static const char *amdgpu_vram_names[] = {
 	"DDR3",
 	"DDR4",
 	"GDDR6",
+	"DDR5"
 };
 
 /**