Files
linux/drivers/gpu/drm/i915/Makefile
Linus Torvalds 939faf71cf Merge tag 'drm-next-2026-02-11' of https://gitlab.freedesktop.org/drm/kernel
Pull drm updates from Dave Airlie:
 "Highlights:
   - amdgpu support for lots of new IP blocks which means newer GPUs
   - xe has a lot of SR-IOV and SVM improvements
   - lots of intel display refactoring across i915/xe
   - msm has more support for gen8 platforms
   - Given up on kgdb/kms integration, it's too hard on modern hw

  core:
   - drop kgdb support
   - replace system workqueue with percpu
   - account for property blobs in memcg
   - MAINTAINERS updates for xe + buddy

  rust:
   - Fix documentation for Registration constructors
   - Use pin_init::zeroed() for fops initialization
   - Annotate DRM helpers with __rust_helper
   - Improve safety documentation for gem::Object::new()
   - Update AlwaysRefCounted imports
   - mm: Prevent integer overflow in page_align()

  atomic:
   - add drm_device pointer to drm_private_obj
   - introduce gamma/degamma LUT size check

  buddy:
   - fix free_trees memory leak
   - prevent BUG_ON

  bridge:
   - introduce drm_bridge_unplug/enter/exit
   - add connector argument to .hpd_notify
   - lots of recounting conversions
   - convert rockchip inno hdmi to bridge
   - lontium-lt9611uxc: switch to HDMI audio helpers
   - dw-hdmi-qp: add support for HPD-less setups
   - Algoltek AG6311 support

  panels:
   - edp: CSW MNE007QB3-1, AUO B140HAN06.4, AUO B140QAX01.H
   - st75751: add SPI support
   - Sitronix ST7920, Samsung LTL106HL02
   - LG LH546WF1-ED01, HannStar HSD156J
   - BOE NV130WUM-T08
   - Innolux G150XGE-L05
   - Anbernic RG-DS

  dma-buf:
   - improve sg_table debugging
   - add tracepoints
   - call clear_page instead of memset
   - start to introduce cgroup memory accounting in heaps
   - remove sysfs stats

  dma-fence:
   - add new helpers

  dp:
   - mst: avoid oob access with vcpi=0

  hdmi:
   - limit infoframes exposure to userspace

  gem:
   - reduce page table overhead with THP
   - fix leak in drm_gem_get_unmapped_area

  gpuvm:
   - API sanitation for rust bindings

  sched:
   - introduce new helpers

  panic:
   - report invalid panic modes
   - add kunit tests

  i915/xe display:
   - Expose sharpness only if num_scalers is >= 2
   - Add initial Xe3P_LPD for NVL
   - BMG FBC support
   - Add MTL+ platforms to support dpll framework
   _ fix DIMM_S DRM decoding on ICL
   - Return to using AUX interrupts
   - PSR/Panel replay refactoring
   - use consolidation HDMI tables
   - Xe3_LPD CD2X dividier changes

  xe:
   - vfio: add vfio_pci for intel GPU
   - multi queue support
   - dynamic pagemaps and multi-device SVM
   - expose temp attribs in hwmon
   - NO_COMPRESSION bo flag
   - expose MERT OA unit
   - sysfs survivability refactor
   - SRIOV PF: add MERT support
   - enable SR-IOV VF migration
   - Enable I2C/NVM on Crescent Island
   - Xe3p page reclaimation support
   - introduce SRIOV scheduler groups
   - add SoC remappt support in system controller
   - insert compiler barriers in GuC code
   - define NVL GuC firmware
   - handle GT resume failure
   - fix drm scheduler layering violations
   - enable GSC loading and PXP for PTL
   - disable GuC Power DCC strategy on PTL
   - unregister drm device on probe error

  i915:
   - move to kernel standard fault injection
   - bump recommended GuC version for DG2 and MTL

  amdgpu:
   - SMUIO 15.x, PSP 15.x support
   - IH 6.1.1/7.1 support
   - MMHUB 3.4/4.2 support
   - GC 11.5.4/12.1 support
   - SDMA 6.1.4/7.1/7.11.4 support
   - JPEG 5.3 support
   - UserQ updates
   - GC 9 gfx queue reset support
   - TTM memory ops parallelization
   - convert legacy logging to new helpers
   - DC analog fixes

  amdkfd:
   - GC 11.5.4/12.1 suppport
   - SDMA 6.1.4/7.1 support
   - per context support
   - increase kfd process hash table
   - Reserved SDMA rework

  radeon:
   - convert legacy logging to new helpers
   - use devm for i2c adapters

  msm:
   - GPU
      - Document a612/RGMU dt bindings
      - UBWC 6.0 support (for A840 / Kaanapali)
      - a225 support
   - DPU:
      - Switch to use virtual planes by default
      - Fix DSI CMD panels on DPU 3.x
      - Rewrite format handling to remove intermediate representation
      - Fix watchdog on DPU 8.x+
      - Fix TE / Vsync source setting on DPU 8.x+
      - Add 3D_Mux on SC7280
      - Kaanapali platform support
      - Fix UBWC register programming
      - Make RM reserve DSPP-enabled mixers for CRTCs with LMs
      - Gamma correction support
   - DP:
      - Enable support for eDP 1.4+ link rate tables
      - Fix MDSS1 DP indices on SA8775P, making them to work
      - Fix msm_dp_ctrl_config_msa() to work with LLVM 20
   - DSI:
      - Document QCS8300 as compatible with SA8775P
      - Kaanapali platform support
   - DSI PHY:
      - switch to divider_determine_rate()
   - MDP5:
      - Drop support for MSM8998, SDM660 and SDM630 (switch over to DPU)
   -  MDSS:
      - Kaanapali platform support
      - Fixed UBWC register programming

  nova-core:
   - Prepare for Turing support. This includes parsing and handling
     Turing-specific firmware headers and sections as well as a Turing
     Falcon HAL implementation
   - Get rid of the Result<impl PinInit<T, E>> anti-pattern
   - Relocate initializer-specific code into the appropriate initializer
   - Use CStr::from_bytes_until_nul() to remove custom helpers
   - Improve handling of unexpected firmware values
   - Clean up redundant debug prints
   - Replace c_str!() with native Rust C-string literals
   - Update nova-core task list

  nova:
   - Align GEM object size to system page size

  tyr:
   - Use generated uAPI bindings for GpuInfo
   - Replace manual sleeps with read_poll_timeout()
   - Replace c_str!() with native Rust C-string literals
   - Suppress warnings for unread fields
   - Fix incorrect register name in print statement

  nouveau:
   - fix big page table support races in PTE management
   - improve reclocking on tegra 186+

  amdxdna:
   - fix suspend race conditions
   - improve handling of zero tail pointers
   - fix cu_idx overwritten during command setup
   - enable hardware context priority
   - remove NPU2 support
   - update message buffer allocation requirements
   - update firmware version check

  ast:
   - support imported cursor buffers
   - big endian fixes

  etnaviv:
   - add PPU flop reset support

  imagination:
   - add AM62P support
   - introduce hw version checks

  ivpu:
   - implement warm boot flow

  panfrost:
   - add bo sync ioctl
   - add GPU_PM_RT support for RZ/G3E SoC

  panthor:
   - add bo sync ioctl
   - enable timestamp propagation
   - scheduler robustness improvements
   - VM termination fixes
   - huge page support

  rockchip:
   - RK3368 HDMI Support
   - get rid of atomic_check fixups
   - RK3506 support
   - RK3576/RK3588 improved HPD handling

  rz-du:
   - RZ/V2H(P) MIPI-DSI Support

  v3d:
   - fix DMA segment size
   - convert to new logging helpers

  mediatek:
   - move DP training to hotplug thread
   - convert logging to new helpers
   - add support for HS speed DSI
   - Genio 510/700/1200-EVK, Radxa NIO-12L HDMI support

  atmel-hlcdc:
   - switch to drmm resource
   - support nomodeset
   - use newer helpers

  hisilicon:
   - fix various DP bugs

  renesas:
   - fix kernel panic on reboot

  exynos:
   - fix vidi_connection_ioctl using wrong device
   - fix vidi_connection deref user ptr
   - fix concurrency regression with vidi_context

  vkms:
   - add configfs support for display configuration

* tag 'drm-next-2026-02-11' of https://gitlab.freedesktop.org/drm/kernel: (1610 commits)
  drm/xe/pm: Disable D3Cold for BMG only on specific platforms
  drm/xe: Fix kerneldoc for xe_tlb_inval_job_alloc_dep
  drm/xe: Fix kerneldoc for xe_gt_tlb_inval_init_early
  drm/xe: Fix kerneldoc for xe_migrate_exec_queue
  drm/xe/query: Fix topology query pointer advance
  drm/xe/guc: Fix kernel-doc warning in GuC scheduler ABI header
  drm/xe/guc: Fix CFI violation in debugfs access.
  accel/amdxdna: Move RPM resume into job run function
  accel/amdxdna: Fix incorrect DPM level after suspend/resume
  nouveau/vmm: start tracking if the LPT PTE is valid. (v6)
  nouveau/vmm: increase size of vmm pte tracker struct to u32 (v2)
  nouveau/vmm: rewrite pte tracker using a struct and bitfields.
  accel/amdxdna: Fix incorrect error code returned for failed chain command
  accel/amdxdna: Remove hardware context status
  drm/bridge: imx8qxp-pixel-combiner: Fix bailout for imx8qxp_pc_bridge_probe()
  drm/panel: ilitek-ili9882t: Remove duplicate initializers in tianma_il79900a_dsc
  drm/i915/display: fix the pixel normalization handling for xe3p_lpd
  drm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to memory alloc/free
  drm/exynos: vidi: fix to avoid directly dereferencing user pointer
  drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl()
  ...
2026-02-11 12:55:44 -08:00

457 lines
11 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the drm device driver. This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
# Enable W=1 warnings not enabled in drm subsystem Makefile
subdir-ccflags-y += $(call cc-option, -Wformat-truncation)
# Enable -Werror in CI and development
subdir-ccflags-$(CONFIG_DRM_I915_WERROR) += -Werror
# Support compiling the display code separately for both i915 and xe
# drivers. Define I915 when building i915.
subdir-ccflags-y += -DI915
# FIXME: Disable tracepoints on i915 for PREEMPT_RT, unfortunately
# it's an all or nothing flag. You cannot selectively disable
# only some tracepoints.
subdir-ccflags-$(CONFIG_PREEMPT_RT) += -DNOTRACE
subdir-ccflags-y += -I$(src)
# Please keep these build lists sorted!
# core driver code
i915-y += \
i915_config.o \
i915_driver.o \
i915_drm_client.o \
i915_edram.o \
i915_freq.o \
i915_getparam.o \
i915_gmch.o \
i915_ioctl.o \
i915_irq.o \
i915_mitigations.o \
i915_mmio_range.o \
i915_module.o \
i915_params.o \
i915_pci.o \
i915_scatterlist.o \
i915_switcheroo.o \
i915_sysfs.o \
i915_timer_util.o \
i915_utils.o \
intel_clock_gating.o \
intel_cpu_info.o \
intel_device_info.o \
intel_memory_region.o \
intel_pcode.o \
intel_region_ttm.o \
intel_runtime_pm.o \
intel_step.o \
intel_uncore.o \
intel_uncore_trace.o \
intel_wakeref.o \
vlv_iosf_sb.o \
vlv_suspend.o
# core library code
i915-y += \
i915_memcpy.o \
i915_mm.o \
i915_sw_fence.o \
i915_sw_fence_work.o \
i915_syncmap.o \
i915_user_extensions.o
i915-$(CONFIG_COMPAT) += \
i915_ioc32.o
i915-$(CONFIG_DEBUG_FS) += \
i915_debugfs.o \
i915_debugfs_params.o
i915-$(CONFIG_PERF_EVENTS) += \
i915_pmu.o
# core display adaptation
i915-y += \
i915_display_pc8.o \
i915_hdcp_gsc.o \
i915_initial_plane.o \
i915_panic.o
# "Graphics Technology" (aka we talk to the gpu)
gt-y += \
gt/gen2_engine_cs.o \
gt/gen6_engine_cs.o \
gt/gen6_ppgtt.o \
gt/gen7_renderclear.o \
gt/gen8_engine_cs.o \
gt/gen8_ppgtt.o \
gt/intel_breadcrumbs.o \
gt/intel_context.o \
gt/intel_context_sseu.o \
gt/intel_engine_cs.o \
gt/intel_engine_heartbeat.o \
gt/intel_engine_pm.o \
gt/intel_engine_user.o \
gt/intel_execlists_submission.o \
gt/intel_ggtt.o \
gt/intel_ggtt_fencing.o \
gt/intel_gt.o \
gt/intel_gt_buffer_pool.o \
gt/intel_gt_ccs_mode.o \
gt/intel_gt_clock_utils.o \
gt/intel_gt_debugfs.o \
gt/intel_gt_engines_debugfs.o \
gt/intel_gt_irq.o \
gt/intel_gt_mcr.o \
gt/intel_gt_pm.o \
gt/intel_gt_pm_debugfs.o \
gt/intel_gt_pm_irq.o \
gt/intel_gt_requests.o \
gt/intel_gt_sysfs.o \
gt/intel_gt_sysfs_pm.o \
gt/intel_gtt.o \
gt/intel_llc.o \
gt/intel_lrc.o \
gt/intel_migrate.o \
gt/intel_mocs.o \
gt/intel_ppgtt.o \
gt/intel_rc6.o \
gt/intel_region_lmem.o \
gt/intel_renderstate.o \
gt/intel_reset.o \
gt/intel_ring.o \
gt/intel_ring_submission.o \
gt/intel_rps.o \
gt/intel_sa_media.o \
gt/intel_sseu.o \
gt/intel_sseu_debugfs.o \
gt/intel_timeline.o \
gt/intel_tlb.o \
gt/intel_wopcm.o \
gt/intel_workarounds.o \
gt/shmem_utils.o \
gt/sysfs_engines.o
# x86 intel-gtt module support
gt-$(CONFIG_X86) += \
gt/intel_ggtt_gmch.o
# autogenerated null render state
gt-y += \
gt/gen6_renderstate.o \
gt/gen7_renderstate.o \
gt/gen8_renderstate.o \
gt/gen9_renderstate.o
i915-y += $(gt-y)
# GEM (Graphics Execution Management) code
gem-y += \
gem/i915_gem_busy.o \
gem/i915_gem_clflush.o \
gem/i915_gem_context.o \
gem/i915_gem_create.o \
gem/i915_gem_dmabuf.o \
gem/i915_gem_domain.o \
gem/i915_gem_execbuffer.o \
gem/i915_gem_internal.o \
gem/i915_gem_lmem.o \
gem/i915_gem_mman.o \
gem/i915_gem_object.o \
gem/i915_gem_object_frontbuffer.o \
gem/i915_gem_pages.o \
gem/i915_gem_phys.o \
gem/i915_gem_pm.o \
gem/i915_gem_region.o \
gem/i915_gem_shmem.o \
gem/i915_gem_shrinker.o \
gem/i915_gem_stolen.o \
gem/i915_gem_throttle.o \
gem/i915_gem_tiling.o \
gem/i915_gem_ttm.o \
gem/i915_gem_ttm_move.o \
gem/i915_gem_ttm_pm.o \
gem/i915_gem_userptr.o \
gem/i915_gem_wait.o
i915-y += \
$(gem-y) \
i915_active.o \
i915_cmd_parser.o \
i915_deps.o \
i915_gem.o \
i915_gem_evict.o \
i915_gem_gtt.o \
i915_gem_ww.o \
i915_query.o \
i915_request.o \
i915_scheduler.o \
i915_trace_points.o \
i915_ttm_buddy_manager.o \
i915_vma.o \
i915_vma_resource.o
# general-purpose microcontroller (GuC) support
i915-y += \
gt/uc/intel_gsc_fw.o \
gt/uc/intel_gsc_proxy.o \
gt/uc/intel_gsc_uc.o \
gt/uc/intel_gsc_uc_debugfs.o \
gt/uc/intel_gsc_uc_heci_cmd_submit.o\
gt/uc/intel_guc.o \
gt/uc/intel_guc_ads.o \
gt/uc/intel_guc_capture.o \
gt/uc/intel_guc_ct.o \
gt/uc/intel_guc_debugfs.o \
gt/uc/intel_guc_fw.o \
gt/uc/intel_guc_hwconfig.o \
gt/uc/intel_guc_log.o \
gt/uc/intel_guc_log_debugfs.o \
gt/uc/intel_guc_rc.o \
gt/uc/intel_guc_slpc.o \
gt/uc/intel_guc_submission.o \
gt/uc/intel_huc.o \
gt/uc/intel_huc_debugfs.o \
gt/uc/intel_huc_fw.o \
gt/uc/intel_uc.o \
gt/uc/intel_uc_debugfs.o \
gt/uc/intel_uc_fw.o
# graphics system controller (GSC) support
i915-y += \
gt/intel_gsc.o
# graphics hardware monitoring (HWMON) support
i915-$(CONFIG_HWMON) += \
i915_hwmon.o
# modesetting core code
i915-y += \
display/hsw_ips.o \
display/i9xx_display_sr.o \
display/i9xx_plane.o \
display/i9xx_wm.o \
display/intel_alpm.o \
display/intel_atomic.o \
display/intel_audio.o \
display/intel_bios.o \
display/intel_bo.o \
display/intel_bw.o \
display/intel_casf.o \
display/intel_cdclk.o \
display/intel_cmtg.o \
display/intel_color.o \
display/intel_colorop.o \
display/intel_color_pipeline.o \
display/intel_combo_phy.o \
display/intel_connector.o \
display/intel_crtc.o \
display/intel_crtc_state_dump.o \
display/intel_cursor.o \
display/intel_dbuf_bw.o \
display/intel_display.o \
display/intel_display_conversion.o \
display/intel_display_driver.o \
display/intel_display_irq.o \
display/intel_display_params.o \
display/intel_display_power.o \
display/intel_display_power_map.o \
display/intel_display_power_well.o \
display/intel_display_reset.o \
display/intel_display_rpm.o \
display/intel_display_rps.o \
display/intel_display_snapshot.o \
display/intel_display_utils.o \
display/intel_display_wa.o \
display/intel_dmc.o \
display/intel_dmc_wl.o \
display/intel_dpio_phy.o \
display/intel_dpll.o \
display/intel_dpll_mgr.o \
display/intel_dpt.o \
display/intel_dpt_common.o \
display/intel_dram.o \
display/intel_drrs.o \
display/intel_dsb.o \
display/intel_dsb_buffer.o \
display/intel_fb.o \
display/intel_fb_bo.o \
display/intel_fb_pin.o \
display/intel_fbc.o \
display/intel_fdi.o \
display/intel_fifo_underrun.o \
display/intel_flipq.o \
display/intel_frontbuffer.o \
display/intel_global_state.o \
display/intel_hdcp.o \
display/intel_hdcp_gsc_message.o \
display/intel_hotplug.o \
display/intel_hotplug_irq.o \
display/intel_hti.o \
display/intel_initial_plane.o \
display/intel_link_bw.o \
display/intel_load_detect.o \
display/intel_lpe_audio.o \
display/intel_modeset_lock.o \
display/intel_modeset_setup.o \
display/intel_modeset_verify.o \
display/intel_overlay.o \
display/intel_parent.o \
display/intel_pch.o \
display/intel_pch_display.o \
display/intel_pch_refclk.o \
display/intel_plane.o \
display/intel_pmdemand.o \
display/intel_psr.o \
display/intel_quirks.o \
display/intel_rom.o \
display/intel_sbi.o \
display/intel_sprite.o \
display/intel_sprite_uapi.o \
display/intel_tc.o \
display/intel_vblank.o \
display/intel_vga.o \
display/intel_wm.o \
display/skl_prefill.o \
display/skl_scaler.o \
display/skl_universal_plane.o \
display/skl_watermark.o \
display/vlv_clock.o \
display/vlv_sideband.o
i915-$(CONFIG_ACPI) += \
display/intel_acpi.o \
display/intel_opregion.o
i915-$(CONFIG_DRM_FBDEV_EMULATION) += \
display/intel_fbdev.o \
display/intel_fbdev_fb.o
i915-$(CONFIG_DEBUG_FS) += \
display/intel_display_debugfs.o \
display/intel_display_debugfs_params.o \
display/intel_pipe_crc.o
# modesetting output/encoder code
i915-y += \
display/dvo_ch7017.o \
display/dvo_ch7xxx.o \
display/dvo_ivch.o \
display/dvo_ns2501.o \
display/dvo_sil164.o \
display/dvo_tfp410.o \
display/g4x_dp.o \
display/g4x_hdmi.o \
display/icl_dsi.o \
display/intel_backlight.o \
display/intel_crt.o \
display/intel_cx0_phy.o \
display/intel_ddi.o \
display/intel_ddi_buf_trans.o \
display/intel_display_device.o \
display/intel_display_trace.o \
display/intel_dkl_phy.o \
display/intel_dp.o \
display/intel_dp_aux.o \
display/intel_dp_aux_backlight.o \
display/intel_dp_hdcp.o \
display/intel_dp_link_training.o \
display/intel_dp_mst.o \
display/intel_dp_test.o \
display/intel_dsi.o \
display/intel_dsi_dcs_backlight.o \
display/intel_dsi_vbt.o \
display/intel_dvo.o \
display/intel_encoder.o \
display/intel_gmbus.o \
display/intel_hdmi.o \
display/intel_lspcon.o \
display/intel_lt_phy.o \
display/intel_lvds.o \
display/intel_panel.o \
display/intel_pfit.o \
display/intel_pps.o \
display/intel_qp_tables.o \
display/intel_sdvo.o \
display/intel_snps_hdmi_pll.o \
display/intel_snps_phy.o \
display/intel_tv.o \
display/intel_vdsc.o \
display/intel_vrr.o \
display/vlv_dsi.o \
display/vlv_dsi_pll.o
i915-$(CONFIG_DRM_I915_DP_TUNNEL) += \
display/intel_dp_tunnel.o
i915-$(CONFIG_DRM_I915_GVT) += \
display/intel_gvt_api.o
i915-y += \
i915_perf.o
# Protected execution platform (PXP) support. Base support is required for HuC
i915-y += \
pxp/intel_pxp.o \
pxp/intel_pxp_huc.o \
pxp/intel_pxp_tee.o
i915-$(CONFIG_DRM_I915_PXP) += \
pxp/intel_pxp_cmd.o \
pxp/intel_pxp_debugfs.o \
pxp/intel_pxp_gsccs.o \
pxp/intel_pxp_irq.o \
pxp/intel_pxp_pm.o \
pxp/intel_pxp_session.o
# Post-mortem debug and GPU hang state capture
i915-$(CONFIG_DRM_I915_CAPTURE_ERROR) += \
i915_gpu_error.o
i915-$(CONFIG_DRM_I915_SELFTEST) += \
gem/selftests/i915_gem_client_blt.o \
gem/selftests/igt_gem_utils.o \
selftests/i915_random.o \
selftests/i915_selftest.o \
selftests/igt_atomic.o \
selftests/igt_flush_test.o \
selftests/igt_live_test.o \
selftests/igt_mmap.o \
selftests/igt_reset.o \
selftests/igt_spinner.o \
selftests/intel_scheduler_helpers.o \
selftests/librapl.o
# virtual gpu code
i915-y += \
i915_vgpu.o
i915-$(CONFIG_DRM_I915_GVT) += \
intel_gvt.o \
intel_gvt_mmio_table.o
include $(src)/gvt/Makefile
obj-$(CONFIG_DRM_I915) += i915.o
obj-$(CONFIG_DRM_I915_GVT_KVMGT) += kvmgt.o
# kernel-doc test
#
# Enable locally for CONFIG_DRM_I915_WERROR=y. See also scripts/Makefile.build
ifdef CONFIG_DRM_I915_WERROR
cmd_checkdoc = PYTHONDONTWRITEBYTECODE=1 $(PYTHON3) $(KERNELDOC) -none -Werror $<
endif
# header test
# exclude some broken headers from the test coverage
no-header-test := \
display/intel_vbt_defs.h
always-$(CONFIG_DRM_I915_WERROR) += \
$(patsubst %.h,%.hdrtest, $(filter-out $(no-header-test), \
$(shell cd $(src) && find * -name '*.h')))
quiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@)
cmd_hdrtest = $(CC) $(filter-out $(CFLAGS_GCOV), $(c_flags)) -S -o /dev/null -x c /dev/null -include $<; \
$(KERNELDOC) -none -Werror $<; touch $@
$(obj)/%.hdrtest: $(src)/%.h FORCE
$(call if_changed_dep,hdrtest)