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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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98a2f41167
We currently capture the GPU state after we detect a hang. This is vital for us to both triage and debug hangs in the wild (post-mortem debugging). However, it comes at the cost of running some potentially dangerous code (since it has to make very few assumption about the state of the driver) that is quite resource intensive. This patch introduces both a method to disable error capture at runtime (for users who hit bugs at runtime and need a workaround) and to disable error capture at compiletime (for realtime users who want to minimise any possible latency, and never require error capture, saving ~30k of code). The cost is that we now have to be wary of (and test!) a kconfig flag and a module parameter. The effect of the module parameter is easy to verify through code inspection and runtime testing, but a kconfig flag needs regular compile checking. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Acked-by: Jani Nikula <jani.nikula@linux.intel.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch Link: http://patchwork.freedesktop.org/patch/msgid/20161012090522.367-2-chris@chris-wilson.co.uk
123 lines
2.7 KiB
Makefile
123 lines
2.7 KiB
Makefile
#
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# Makefile for the drm device driver. This driver provides support for the
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# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
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subdir-ccflags-$(CONFIG_DRM_I915_WERROR) := -Werror
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subdir-ccflags-y += \
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$(call as-instr,movntdqa (%eax)$(comma)%xmm0,-DCONFIG_AS_MOVNTDQA)
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# Please keep these build lists sorted!
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# core driver code
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i915-y := i915_drv.o \
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i915_irq.o \
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i915_memcpy.o \
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i915_mm.o \
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i915_params.o \
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i915_pci.o \
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i915_suspend.o \
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i915_sw_fence.o \
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i915_sysfs.o \
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intel_csr.o \
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intel_device_info.o \
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intel_pm.o \
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intel_runtime_pm.o
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i915-$(CONFIG_COMPAT) += i915_ioc32.o
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i915-$(CONFIG_DEBUG_FS) += i915_debugfs.o
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# GEM code
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i915-y += i915_cmd_parser.o \
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i915_gem_batch_pool.o \
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i915_gem_context.o \
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i915_gem_dmabuf.o \
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i915_gem_evict.o \
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i915_gem_execbuffer.o \
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i915_gem_fence.o \
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i915_gem_gtt.o \
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i915_gem.o \
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i915_gem_render_state.o \
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i915_gem_request.o \
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i915_gem_shrinker.o \
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i915_gem_stolen.o \
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i915_gem_tiling.o \
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i915_gem_userptr.o \
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i915_trace_points.o \
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intel_breadcrumbs.o \
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intel_engine_cs.o \
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intel_lrc.o \
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intel_mocs.o \
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intel_ringbuffer.o \
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intel_uncore.o
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# general-purpose microcontroller (GuC) support
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i915-y += intel_guc_loader.o \
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i915_guc_submission.o
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# autogenerated null render state
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i915-y += intel_renderstate_gen6.o \
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intel_renderstate_gen7.o \
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intel_renderstate_gen8.o \
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intel_renderstate_gen9.o
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# modesetting core code
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i915-y += intel_audio.o \
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intel_atomic.o \
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intel_atomic_plane.o \
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intel_bios.o \
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intel_color.o \
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intel_display.o \
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intel_dpio_phy.o \
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intel_dpll_mgr.o \
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intel_fbc.o \
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intel_fifo_underrun.o \
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intel_frontbuffer.o \
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intel_hotplug.o \
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intel_modes.o \
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intel_overlay.o \
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intel_psr.o \
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intel_sideband.o \
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intel_sprite.o
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i915-$(CONFIG_ACPI) += intel_acpi.o intel_opregion.o
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i915-$(CONFIG_DRM_FBDEV_EMULATION) += intel_fbdev.o
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# modesetting output/encoder code
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i915-y += dvo_ch7017.o \
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dvo_ch7xxx.o \
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dvo_ivch.o \
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dvo_ns2501.o \
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dvo_sil164.o \
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dvo_tfp410.o \
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intel_crt.o \
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intel_ddi.o \
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intel_dp_aux_backlight.o \
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intel_dp_link_training.o \
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intel_dp_mst.o \
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intel_dp.o \
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intel_dsi.o \
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intel_dsi_dcs_backlight.o \
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intel_dsi_panel_vbt.o \
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intel_dsi_pll.o \
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intel_dvo.o \
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intel_hdmi.o \
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intel_i2c.o \
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intel_lvds.o \
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intel_panel.o \
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intel_sdvo.o \
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intel_tv.o
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# Post-mortem debug and GPU hang state capture
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i915-$(CONFIG_DRM_I915_CAPTURE_ERROR) += i915_gpu_error.o
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# virtual gpu code
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i915-y += i915_vgpu.o
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ifeq ($(CONFIG_DRM_I915_GVT),y)
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i915-y += intel_gvt.o
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include $(src)/gvt/Makefile
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endif
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obj-$(CONFIG_DRM_I915) += i915.o
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CFLAGS_i915_trace_points.o := -I$(src)
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