drm/amdgpu: enable 3D pipe 1 on Sienna_Cichlid

Only disable 3D pipe 1 on navi1x, enable 3D pipe 1 on Sienna_Cichlid.
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

@@ -55,6 +55,7 @@
  * 2. Async ring
  */
 #define GFX10_NUM_GFX_RINGS_NV1X	1
+#define GFX10_NUM_GFX_RINGS_Sienna_Cichlid	2
 #define GFX10_MEC_HPD_SIZE	2048
 
 #define F32_CE_PROGRAM_RAM_SIZE		65536
@@ -7057,7 +7058,18 @@ static int gfx_v10_0_early_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	adev->gfx.num_gfx_rings = GFX10_NUM_GFX_RINGS_NV1X;
+	switch (adev->asic_type) {
+	case CHIP_NAVI10:
+	case CHIP_NAVI14:
+	case CHIP_NAVI12:
+		adev->gfx.num_gfx_rings = GFX10_NUM_GFX_RINGS_NV1X;
+		break;
+	case CHIP_SIENNA_CICHLID:
+		adev->gfx.num_gfx_rings = GFX10_NUM_GFX_RINGS_Sienna_Cichlid;
+		break;
+	default:
+		break;
+	}
 
 	adev->gfx.num_compute_rings = AMDGPU_MAX_COMPUTE_RINGS;