drm/amdgpu/gmc10: add navi14 support

same as navi10
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c

@@ -524,6 +524,7 @@ static int gmc_v10_0_mc_init(struct amdgpu_device *adev)
 	if (amdgpu_gart_size == -1) {
 		switch (adev->asic_type) {
 		case CHIP_NAVI10:
+		case CHIP_NAVI14:
 		default:
 			adev->gmc.gart_size = 512ULL << 20;
 			break;
@@ -601,9 +602,10 @@ static int gmc_v10_0_sw_init(void *handle)
 	adev->gmc.vram_type = amdgpu_atomfirmware_get_vram_type(adev);
 	switch (adev->asic_type) {
 	case CHIP_NAVI10:
+	case CHIP_NAVI14:
 		/*
 		 * To fulfill 4-level page support,
-		 * vm size is 256TB (48bit), maximum size of Navi10,
+		 * vm size is 256TB (48bit), maximum size of Navi10/Navi14,
 		 * block size 512 (9bit)
 		 */
 		amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
@@ -717,6 +719,7 @@ static void gmc_v10_0_init_golden_registers(struct amdgpu_device *adev)
 {
 	switch (adev->asic_type) {
 	case CHIP_NAVI10:
+	case CHIP_NAVI14:
 		break;
 	default:
 		break;