drm/amdkfd: Add Sienna_Cichlid trap handler support

- Replace SQC stores with TCP stores
- Synchronize with MSG_SAVEWAVE via lgkmcnt
- HW_REG_IB_STS is now read-only
Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_device.c

@@ -580,6 +580,10 @@ static void kfd_cwsr_init(struct kfd_dev *kfd)
 			BUILD_BUG_ON(sizeof(cwsr_trap_gfx9_hex) > PAGE_SIZE);
 			kfd->cwsr_isa = cwsr_trap_gfx9_hex;
 			kfd->cwsr_isa_size = sizeof(cwsr_trap_gfx9_hex);
+		} else if (kfd->device_info->asic_family < CHIP_SIENNA_CICHLID) {
+			BUILD_BUG_ON(sizeof(cwsr_trap_nv1x_hex) > PAGE_SIZE);
+			kfd->cwsr_isa = cwsr_trap_nv1x_hex;
+			kfd->cwsr_isa_size = sizeof(cwsr_trap_nv1x_hex);
 		} else {
 			BUILD_BUG_ON(sizeof(cwsr_trap_gfx10_hex) > PAGE_SIZE);
 			kfd->cwsr_isa = cwsr_trap_gfx10_hex;