drm/amd/display: Add green_sardine support to DM

Display Manager support for green_sardine
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -100,6 +100,10 @@ MODULE_FIRMWARE(FIRMWARE_SIENNA_CICHLID_DMUB);
 #define FIRMWARE_NAVY_FLOUNDER_DMUB "amdgpu/navy_flounder_dmcub.bin"
 MODULE_FIRMWARE(FIRMWARE_NAVY_FLOUNDER_DMUB);
 #endif
+#if defined(CONFIG_DRM_AMD_DC_GREEN_SARDINE)
+#define FIRMWARE_GREEN_SARDINE_DMUB "amdgpu/green_sardine_dmcub.bin"
+MODULE_FIRMWARE(FIRMWARE_GREEN_SARDINE_DMUB);
+#endif
 
 #define FIRMWARE_RAVEN_DMCU		"amdgpu/raven_dmcu.bin"
 MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU);
@@ -973,6 +977,10 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 	case CHIP_RAVEN:
 	case CHIP_RENOIR:
 		init_data.flags.gpu_vm_support = true;
+#if defined(CONFIG_DRM_AMD_DC_GREEN_SARDINE)
+		if (ASICREV_IS_GREEN_SARDINE(adev->external_rev_id))
+			init_data.flags.disable_dmcu = true;
+#endif
 		break;
 	default:
 		break;
@@ -1267,6 +1275,10 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
 	case CHIP_RENOIR:
 		dmub_asic = DMUB_ASIC_DCN21;
 		fw_name_dmub = FIRMWARE_RENOIR_DMUB;
+#if defined(CONFIG_DRM_AMD_DC_GREEN_SARDINE)
+		if (ASICREV_IS_GREEN_SARDINE(adev->external_rev_id))
+			fw_name_dmub = FIRMWARE_GREEN_SARDINE_DMUB;
+#endif
 		break;
 #if defined(CONFIG_DRM_AMD_DC_DCN3_0)
 	case CHIP_SIENNA_CICHLID: