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linux/drivers/gpu/drm/xe/Makefile
Riana Tauro 0a2a873d61 drm/xe: Add support to handle hardware errors 
Gfx device reports two classes of errors: uncorrectable and
correctable. Depending on the severity uncorrectable errors are further
classified Non-Fatal and Fatal.

Correctable and Non-Fatal errors: These errors are reported as MSI. Bits in
the Master Interrupt Register indicate the class of the error.
The source of the error is then read from the Device Error Source
Register.

Fatal errors: These are reported as PCIe errors
When a PCIe error is asserted, the OS will perform a SBR (Secondary
Bus reset) which causes the driver to reload. The error registers are
sticky and the values are maintained through SBR.

Add basic support to handle these errors.

Bspec: 50875, 53073, 53074, 53075, 53076

v2: Format commit message (Umesh)
v3: fix documentation (Stuart)

Cc: Stuart Summers <stuart.summers@intel.com>
Co-developed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Signed-off-by: Riana Tauro <riana.tauro@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://lore.kernel.org/r/20250826063419.3022216-9-riana.tauro@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2025-08-26 10:11:34 -04:00

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Makefile
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# 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_XE_WERROR) += -Werror
subdir-ccflags-y += -I$(obj) -I$(src)
# generated sources
hostprogs := xe_gen_wa_oob
generated_oob := $(obj)/generated/xe_wa_oob.c $(obj)/generated/xe_wa_oob.h
quiet_cmd_wa_oob = GEN $(notdir $(generated_oob))
cmd_wa_oob = mkdir -p $(@D); $^ $(generated_oob)
$(obj)/generated/%_wa_oob.c $(obj)/generated/%_wa_oob.h: $(obj)/xe_gen_wa_oob \
$(src)/xe_wa_oob.rules
$(call cmd,wa_oob)
generated_device_oob := $(obj)/generated/xe_device_wa_oob.c $(obj)/generated/xe_device_wa_oob.h
quiet_cmd_device_wa_oob = GEN $(notdir $(generated_device_oob))
cmd_device_wa_oob = mkdir -p $(@D); $^ $(generated_device_oob)
$(obj)/generated/%_device_wa_oob.c $(obj)/generated/%_device_wa_oob.h: $(obj)/xe_gen_wa_oob \
$(src)/xe_device_wa_oob.rules
$(call cmd,device_wa_oob)
# Please keep these build lists sorted!
# core driver code
xe-y += xe_bb.o \
xe_bo.o \
xe_bo_evict.o \
xe_dep_scheduler.o \
xe_devcoredump.o \
xe_device.o \
xe_device_sysfs.o \
xe_dma_buf.o \
xe_drm_client.o \
xe_eu_stall.o \
xe_exec.o \
xe_exec_queue.o \
xe_execlist.o \
xe_force_wake.o \
xe_ggtt.o \
xe_gpu_scheduler.o \
xe_gsc.o \
xe_gsc_debugfs.o \
xe_gsc_proxy.o \
xe_gsc_submit.o \
xe_gt.o \
xe_gt_ccs_mode.o \
xe_gt_clock.o \
xe_gt_freq.o \
xe_gt_idle.o \
xe_gt_mcr.o \
xe_gt_pagefault.o \
xe_gt_sysfs.o \
xe_gt_throttle.o \
xe_gt_tlb_invalidation.o \
xe_gt_tlb_inval_job.o \
xe_gt_topology.o \
xe_guc.o \
xe_guc_ads.o \
xe_guc_buf.o \
xe_guc_capture.o \
xe_guc_ct.o \
xe_guc_db_mgr.o \
xe_guc_engine_activity.o \
xe_guc_hwconfig.o \
xe_guc_id_mgr.o \
xe_guc_klv_helpers.o \
xe_guc_log.o \
xe_guc_pc.o \
xe_guc_submit.o \
xe_heci_gsc.o \
xe_huc.o \
xe_hw_engine.o \
xe_hw_engine_class_sysfs.o \
xe_hw_engine_group.o \
xe_hw_error.o \
xe_hw_fence.o \
xe_irq.o \
xe_lrc.o \
xe_migrate.o \
xe_mmio.o \
xe_mmio_gem.o \
xe_mocs.o \
xe_module.o \
xe_nvm.o \
xe_oa.o \
xe_observation.o \
xe_pat.o \
xe_pci.o \
xe_pcode.o \
xe_pm.o \
xe_preempt_fence.o \
xe_psmi.o \
xe_pt.o \
xe_pt_walk.o \
xe_pxp.o \
xe_pxp_debugfs.o \
xe_pxp_submit.o \
xe_query.o \
xe_range_fence.o \
xe_reg_sr.o \
xe_reg_whitelist.o \
xe_ring_ops.o \
xe_rtp.o \
xe_sa.o \
xe_sched_job.o \
xe_shrinker.o \
xe_step.o \
xe_survivability_mode.o \
xe_sync.o \
xe_tile.o \
xe_tile_sysfs.o \
xe_trace.o \
xe_trace_bo.o \
xe_trace_guc.o \
xe_trace_lrc.o \
xe_ttm_stolen_mgr.o \
xe_ttm_sys_mgr.o \
xe_ttm_vram_mgr.o \
xe_tuning.o \
xe_uc.o \
xe_uc_fw.o \
xe_vm.o \
xe_vm_madvise.o \
xe_vram.o \
xe_vram_freq.o \
xe_vsec.o \
xe_wa.o \
xe_wait_user_fence.o \
xe_wopcm.o
xe-$(CONFIG_I2C) += xe_i2c.o
xe-$(CONFIG_HMM_MIRROR) += xe_hmm.o
xe-$(CONFIG_DRM_XE_GPUSVM) += xe_svm.o
# graphics hardware monitoring (HWMON) support
xe-$(CONFIG_HWMON) += xe_hwmon.o
xe-$(CONFIG_PERF_EVENTS) += xe_pmu.o
xe-$(CONFIG_CONFIGFS_FS) += xe_configfs.o
# graphics virtualization (SR-IOV) support
xe-y += \
xe_gt_sriov_vf.o \
xe_guc_relay.o \
xe_memirq.o \
xe_sriov.o \
xe_sriov_vf.o \
xe_sriov_vf_ccs.o \
xe_tile_sriov_vf.o
xe-$(CONFIG_PCI_IOV) += \
xe_gt_sriov_pf.o \
xe_gt_sriov_pf_config.o \
xe_gt_sriov_pf_control.o \
xe_gt_sriov_pf_migration.o \
xe_gt_sriov_pf_monitor.o \
xe_gt_sriov_pf_policy.o \
xe_gt_sriov_pf_service.o \
xe_lmtt.o \
xe_lmtt_2l.o \
xe_lmtt_ml.o \
xe_pci_sriov.o \
xe_sriov_pf.o \
xe_sriov_pf_service.o
# include helpers for tests even when XE is built-in
ifdef CONFIG_DRM_XE_KUNIT_TEST
xe-y += tests/xe_kunit_helpers.o
endif
# i915 Display compat #defines and #includes
subdir-ccflags-$(CONFIG_DRM_XE_DISPLAY) += \
-I$(src)/display/ext \
-I$(src)/compat-i915-headers \
-I$(srctree)/drivers/gpu/drm/i915/display/ \
-Ddrm_i915_private=xe_device
# Rule to build SOC code shared with i915
$(obj)/i915-soc/%.o: $(srctree)/drivers/gpu/drm/i915/soc/%.c FORCE
$(call cmd,force_checksrc)
$(call if_changed_rule,cc_o_c)
# Rule to build display code shared with i915
$(obj)/i915-display/%.o: $(srctree)/drivers/gpu/drm/i915/display/%.c FORCE
$(call cmd,force_checksrc)
$(call if_changed_rule,cc_o_c)
# Display code specific to xe
xe-$(CONFIG_DRM_XE_DISPLAY) += \
display/ext/i915_irq.o \
display/ext/i915_utils.o \
display/intel_bo.o \
display/intel_fb_bo.o \
display/intel_fbdev_fb.o \
display/xe_display.o \
display/xe_display_misc.o \
display/xe_display_rpm.o \
display/xe_display_wa.o \
display/xe_dsb_buffer.o \
display/xe_fb_pin.o \
display/xe_hdcp_gsc.o \
display/xe_plane_initial.o \
display/xe_tdf.o
# SOC code shared with i915
xe-$(CONFIG_DRM_XE_DISPLAY) += \
i915-soc/intel_dram.o \
i915-soc/intel_rom.o
# Display code shared with i915
xe-$(CONFIG_DRM_XE_DISPLAY) += \
i915-display/icl_dsi.o \
i915-display/intel_alpm.o \
i915-display/intel_atomic.o \
i915-display/intel_audio.o \
i915-display/intel_backlight.o \
i915-display/intel_bios.o \
i915-display/intel_bw.o \
i915-display/intel_cdclk.o \
i915-display/intel_cmtg.o \
i915-display/intel_color.o \
i915-display/intel_combo_phy.o \
i915-display/intel_connector.o \
i915-display/intel_crtc.o \
i915-display/intel_crtc_state_dump.o \
i915-display/intel_cursor.o \
i915-display/intel_cx0_phy.o \
i915-display/intel_ddi.o \
i915-display/intel_ddi_buf_trans.o \
i915-display/intel_display.o \
i915-display/intel_display_conversion.o \
i915-display/intel_display_device.o \
i915-display/intel_display_driver.o \
i915-display/intel_display_irq.o \
i915-display/intel_display_params.o \
i915-display/intel_display_power.o \
i915-display/intel_display_power_map.o \
i915-display/intel_display_power_well.o \
i915-display/intel_display_trace.o \
i915-display/intel_display_wa.o \
i915-display/intel_dkl_phy.o \
i915-display/intel_dmc.o \
i915-display/intel_dmc_wl.o \
i915-display/intel_dp.o \
i915-display/intel_dp_aux.o \
i915-display/intel_dp_aux_backlight.o \
i915-display/intel_dp_hdcp.o \
i915-display/intel_dp_link_training.o \
i915-display/intel_dp_mst.o \
i915-display/intel_dp_test.o \
i915-display/intel_dpll.o \
i915-display/intel_dpll_mgr.o \
i915-display/intel_dpt_common.o \
i915-display/intel_drrs.o \
i915-display/intel_dsb.o \
i915-display/intel_dsi.o \
i915-display/intel_dsi_dcs_backlight.o \
i915-display/intel_dsi_vbt.o \
i915-display/intel_encoder.o \
i915-display/intel_fb.o \
i915-display/intel_fbc.o \
i915-display/intel_fdi.o \
i915-display/intel_fifo_underrun.o \
i915-display/intel_flipq.o \
i915-display/intel_frontbuffer.o \
i915-display/intel_global_state.o \
i915-display/intel_gmbus.o \
i915-display/intel_hdcp.o \
i915-display/intel_hdcp_gsc_message.o \
i915-display/intel_hdmi.o \
i915-display/intel_hotplug.o \
i915-display/intel_hotplug_irq.o \
i915-display/intel_hti.o \
i915-display/intel_link_bw.o \
i915-display/intel_lspcon.o \
i915-display/intel_modeset_lock.o \
i915-display/intel_modeset_setup.o \
i915-display/intel_modeset_verify.o \
i915-display/intel_panel.o \
i915-display/intel_pfit.o \
i915-display/intel_plane.o \
i915-display/intel_pmdemand.o \
i915-display/intel_pch.o \
i915-display/intel_pps.o \
i915-display/intel_psr.o \
i915-display/intel_qp_tables.o \
i915-display/intel_quirks.o \
i915-display/intel_snps_hdmi_pll.o \
i915-display/intel_snps_phy.o \
i915-display/intel_tc.o \
i915-display/intel_vblank.o \
i915-display/intel_vdsc.o \
i915-display/intel_vga.o \
i915-display/intel_vrr.o \
i915-display/intel_wm.o \
i915-display/skl_scaler.o \
i915-display/skl_universal_plane.o \
i915-display/skl_watermark.o
ifeq ($(CONFIG_ACPI),y)
xe-$(CONFIG_DRM_XE_DISPLAY) += \
i915-display/intel_acpi.o \
i915-display/intel_opregion.o
endif
ifeq ($(CONFIG_DRM_FBDEV_EMULATION),y)
xe-$(CONFIG_DRM_XE_DISPLAY) += i915-display/intel_fbdev.o
endif
ifeq ($(CONFIG_DEBUG_FS),y)
xe-y += xe_debugfs.o \
xe_gt_debugfs.o \
xe_gt_sriov_vf_debugfs.o \
xe_gt_stats.o \
xe_guc_debugfs.o \
xe_huc_debugfs.o \
xe_uc_debugfs.o
xe-$(CONFIG_PCI_IOV) += xe_gt_sriov_pf_debugfs.o
xe-$(CONFIG_DRM_XE_DISPLAY) += \
i915-display/intel_display_debugfs.o \
i915-display/intel_display_debugfs_params.o \
i915-display/intel_pipe_crc.o
endif
xe-$(CONFIG_DRM_XE_DP_TUNNEL) += \
i915-display/intel_dp_tunnel.o
obj-$(CONFIG_DRM_XE) += xe.o
obj-$(CONFIG_DRM_XE_KUNIT_TEST) += tests/
# header test
hdrtest_find_args := -not -path xe_rtp_helpers.h
ifneq ($(CONFIG_DRM_XE_DISPLAY),y)
hdrtest_find_args += -not -path display/\* -not -path compat-i915-headers/\* -not -path xe_display.h
endif
always-$(CONFIG_DRM_XE_WERROR) += \
$(patsubst %.h,%.hdrtest, $(shell cd $(src) && find * -name '*.h' $(hdrtest_find_args)))
quiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@)
cmd_hdrtest = $(CC) -DHDRTEST $(filter-out $(CFLAGS_GCOV), $(c_flags)) -S -o /dev/null -x c /dev/null -include $<; touch $@
$(obj)/%.hdrtest: $(src)/%.h FORCE
$(call if_changed_dep,hdrtest)
uses_generated_oob := $(addprefix $(obj)/, $(xe-y))
$(uses_generated_oob): $(obj)/generated/xe_wa_oob.h $(obj)/generated/xe_device_wa_oob.h
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