2016-06-21 19:49:00 +08:00
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===========================
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drm/i915 Intel GFX Driver
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===========================
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2016-06-21 19:48:58 +08:00
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The drm/i915 driver supports all (with the exception of some very early
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models) integrated GFX chipsets with both Intel display and rendering
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blocks. This excludes a set of SoC platforms with an SGX rendering unit,
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those have basic support through the gma500 drm driver.
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Core Driver Infrastructure
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2016-06-21 19:49:00 +08:00
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==========================
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2016-06-21 19:48:58 +08:00
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This section covers core driver infrastructure used by both the display
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and the GEM parts of the driver.
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Runtime Power Management
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2016-06-21 19:49:00 +08:00
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------------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_runtime_pm.c
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:doc: runtime pm
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.. kernel-doc:: drivers/gpu/drm/i915/intel_runtime_pm.c
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:internal:
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.. kernel-doc:: drivers/gpu/drm/i915/intel_uncore.c
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:internal:
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Interrupt Handling
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2016-06-21 19:49:00 +08:00
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------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c
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:doc: interrupt handling
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.. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c
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:functions: intel_irq_init intel_irq_init_hw intel_hpd_init
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.. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c
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:functions: intel_runtime_pm_disable_interrupts
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.. kernel-doc:: drivers/gpu/drm/i915/i915_irq.c
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:functions: intel_runtime_pm_enable_interrupts
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Intel GVT-g Guest Support(vGPU)
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2016-06-21 19:49:00 +08:00
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-------------------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/i915_vgpu.c
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:doc: Intel GVT-g guest support
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.. kernel-doc:: drivers/gpu/drm/i915/i915_vgpu.c
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:internal:
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2016-10-19 14:40:59 +08:00
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Intel GVT-g Host Support(vGPU device model)
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-------------------------------------------
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.. kernel-doc:: drivers/gpu/drm/i915/intel_gvt.c
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:doc: Intel GVT-g host support
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.. kernel-doc:: drivers/gpu/drm/i915/intel_gvt.c
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:internal:
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2016-06-21 19:48:58 +08:00
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Display Hardware Handling
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2016-06-21 19:49:00 +08:00
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=========================
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2016-06-21 19:48:58 +08:00
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This section covers everything related to the display hardware including
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the mode setting infrastructure, plane, sprite and cursor handling and
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display, output probing and related topics.
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Mode Setting Infrastructure
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2016-06-21 19:49:00 +08:00
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---------------------------
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2016-06-21 19:48:58 +08:00
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The i915 driver is thus far the only DRM driver which doesn't use the
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common DRM helper code to implement mode setting sequences. Thus it has
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its own tailor-made infrastructure for executing a display configuration
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change.
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Frontbuffer Tracking
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2016-06-21 19:49:00 +08:00
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--------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.c
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:doc: frontbuffer tracking
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2016-08-04 23:32:35 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.h
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:internal:
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.c
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:internal:
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem.c
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:functions: i915_gem_track_fb
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Display FIFO Underrun Reporting
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2016-06-21 19:49:00 +08:00
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-------------------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_fifo_underrun.c
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:doc: fifo underrun handling
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.. kernel-doc:: drivers/gpu/drm/i915/intel_fifo_underrun.c
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:internal:
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Plane Configuration
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2016-06-21 19:49:00 +08:00
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-------------------
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2016-06-21 19:48:58 +08:00
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This section covers plane configuration and composition with the primary
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plane, sprites, cursors and overlays. This includes the infrastructure
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to do atomic vsync'ed updates of all this state and also tightly coupled
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topics like watermark setup and computation, framebuffer compression and
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panel self refresh.
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Atomic Plane Helpers
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2016-06-21 19:49:00 +08:00
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--------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_atomic_plane.c
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:doc: atomic plane helpers
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.. kernel-doc:: drivers/gpu/drm/i915/intel_atomic_plane.c
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:internal:
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Output Probing
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2016-06-21 19:49:00 +08:00
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--------------
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2016-06-21 19:48:58 +08:00
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This section covers output probing and related infrastructure like the
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hotplug interrupt storm detection and mitigation code. Note that the
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i915 driver still uses most of the common DRM helper code for output
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probing, so those sections fully apply.
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Hotplug
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2016-06-21 19:49:00 +08:00
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-------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_hotplug.c
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:doc: Hotplug
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.. kernel-doc:: drivers/gpu/drm/i915/intel_hotplug.c
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:internal:
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High Definition Audio
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2016-06-21 19:49:00 +08:00
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---------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_audio.c
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:doc: High Definition Audio over HDMI and Display Port
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.. kernel-doc:: drivers/gpu/drm/i915/intel_audio.c
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:internal:
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.. kernel-doc:: include/drm/i915_component.h
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:internal:
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2017-01-26 17:50:43 +08:00
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Intel HDMI LPE Audio Support
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----------------------------
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.. kernel-doc:: drivers/gpu/drm/i915/intel_lpe_audio.c
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:doc: LPE Audio integration for HDMI or DP playback
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.. kernel-doc:: drivers/gpu/drm/i915/intel_lpe_audio.c
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:internal:
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2016-06-21 19:48:58 +08:00
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Panel Self Refresh PSR (PSR/SRD)
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2016-06-21 19:49:00 +08:00
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--------------------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_psr.c
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:doc: Panel Self Refresh (PSR/SRD)
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.. kernel-doc:: drivers/gpu/drm/i915/intel_psr.c
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:internal:
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Frame Buffer Compression (FBC)
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2016-06-21 19:49:00 +08:00
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------------------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_fbc.c
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:doc: Frame Buffer Compression (FBC)
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.. kernel-doc:: drivers/gpu/drm/i915/intel_fbc.c
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:internal:
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Display Refresh Rate Switching (DRRS)
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2016-06-21 19:49:00 +08:00
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-------------------------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
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:doc: Display Refresh Rate Switching (DRRS)
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
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:functions: intel_dp_set_drrs_state
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
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:functions: intel_edp_drrs_enable
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
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:functions: intel_edp_drrs_disable
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
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:functions: intel_edp_drrs_invalidate
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
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:functions: intel_edp_drrs_flush
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dp.c
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:functions: intel_dp_drrs_init
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DPIO
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2016-06-21 19:49:00 +08:00
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----
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2016-06-21 19:48:58 +08:00
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2016-10-07 00:22:18 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dpio_phy.c
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2016-06-21 19:48:58 +08:00
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:doc: DPIO
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CSR firmware support for DMC
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2016-06-21 19:49:00 +08:00
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----------------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_csr.c
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:doc: csr support for dmc
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.. kernel-doc:: drivers/gpu/drm/i915/intel_csr.c
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:internal:
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Video BIOS Table (VBT)
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2016-06-21 19:49:00 +08:00
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----------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_bios.c
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:doc: Video BIOS Table (VBT)
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.. kernel-doc:: drivers/gpu/drm/i915/intel_bios.c
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:internal:
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.. kernel-doc:: drivers/gpu/drm/i915/intel_vbt_defs.h
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:internal:
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2016-12-29 23:22:11 +08:00
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Display PLLs
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------------
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dpll_mgr.c
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:doc: Display PLLs
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dpll_mgr.c
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:internal:
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.. kernel-doc:: drivers/gpu/drm/i915/intel_dpll_mgr.h
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:internal:
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2016-06-21 19:48:58 +08:00
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Memory Management and Command Submission
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2016-06-21 19:49:00 +08:00
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========================================
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2016-06-21 19:48:58 +08:00
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This sections covers all things related to the GEM implementation in the
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i915 driver.
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Batchbuffer Parsing
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2016-06-21 19:49:00 +08:00
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-------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/i915_cmd_parser.c
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:doc: batch buffer command parser
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.. kernel-doc:: drivers/gpu/drm/i915/i915_cmd_parser.c
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:internal:
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Batchbuffer Pools
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2016-06-21 19:49:00 +08:00
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-----------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_batch_pool.c
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:doc: batch pool
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_batch_pool.c
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:internal:
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Logical Rings, Logical Ring Contexts and Execlists
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2016-06-21 19:49:00 +08:00
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--------------------------------------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_lrc.c
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:doc: Logical Rings, Logical Ring Contexts and Execlists
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.. kernel-doc:: drivers/gpu/drm/i915/intel_lrc.c
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:internal:
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Global GTT views
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2016-06-21 19:49:00 +08:00
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----------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_gtt.c
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:doc: Global GTT views
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_gtt.c
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:internal:
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GTT Fences and Swizzling
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2016-06-21 19:49:00 +08:00
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------------------------
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2016-06-21 19:48:58 +08:00
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2016-11-14 19:58:17 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_fence_reg.c
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2016-06-21 19:48:58 +08:00
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:internal:
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Global GTT Fence Handling
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2016-06-21 19:49:00 +08:00
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~~~~~~~~~~~~~~~~~~~~~~~~~
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2016-06-21 19:48:58 +08:00
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2016-11-14 19:58:17 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_fence_reg.c
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2016-06-21 19:48:58 +08:00
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:doc: fence register handling
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Hardware Tiling and Swizzling Details
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2016-06-21 19:49:00 +08:00
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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2016-06-21 19:48:58 +08:00
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2016-11-14 19:58:17 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_fence_reg.c
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2016-06-21 19:48:58 +08:00
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:doc: tiling swizzling details
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Object Tiling IOCTLs
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2016-06-21 19:49:00 +08:00
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--------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_tiling.c
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:internal:
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_tiling.c
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:doc: buffer object tiling
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Buffer Object Eviction
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2016-06-21 19:49:00 +08:00
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----------------------
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2016-06-21 19:48:58 +08:00
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This section documents the interface functions for evicting buffer
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objects to make space available in the virtual gpu address spaces. Note
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that this is mostly orthogonal to shrinking buffer objects caches, which
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has the goal to make main memory (shared with the gpu through the
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unified memory architecture) available.
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_evict.c
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:internal:
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Buffer Object Memory Shrinking
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2016-06-21 19:49:00 +08:00
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------------------------------
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2016-06-21 19:48:58 +08:00
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This section documents the interface function for shrinking memory usage
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of buffer object caches. Shrinking is used to make main memory
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available. Note that this is mostly orthogonal to evicting buffer
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objects, which has the goal to make space in gpu virtual address spaces.
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.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_shrinker.c
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:internal:
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GuC
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2016-06-21 19:49:00 +08:00
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===
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2016-06-21 19:48:58 +08:00
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GuC-specific firmware loader
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2016-06-21 19:49:00 +08:00
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----------------------------
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2016-06-21 19:48:58 +08:00
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.. kernel-doc:: drivers/gpu/drm/i915/intel_guc_loader.c
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:doc: GuC-specific firmware loader
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|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/intel_guc_loader.c
|
|
|
|
:internal:
|
|
|
|
|
|
|
|
GuC-based command submission
|
2016-06-21 19:49:00 +08:00
|
|
|
----------------------------
|
2016-06-21 19:48:58 +08:00
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_guc_submission.c
|
|
|
|
:doc: GuC-based command submission
|
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_guc_submission.c
|
|
|
|
:internal:
|
|
|
|
|
|
|
|
GuC Firmware Layout
|
2016-06-21 19:49:00 +08:00
|
|
|
-------------------
|
2016-06-21 19:48:58 +08:00
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/intel_guc_fwif.h
|
|
|
|
:doc: GuC Firmware Layout
|
|
|
|
|
|
|
|
Tracing
|
2016-06-21 19:49:00 +08:00
|
|
|
=======
|
2016-06-21 19:48:58 +08:00
|
|
|
|
|
|
|
This sections covers all things related to the tracepoints implemented
|
|
|
|
in the i915 driver.
|
|
|
|
|
|
|
|
i915_ppgtt_create and i915_ppgtt_release
|
2016-06-21 19:49:00 +08:00
|
|
|
----------------------------------------
|
2016-06-21 19:48:58 +08:00
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_trace.h
|
|
|
|
:doc: i915_ppgtt_create and i915_ppgtt_release tracepoints
|
|
|
|
|
|
|
|
i915_context_create and i915_context_free
|
2016-06-21 19:49:00 +08:00
|
|
|
-----------------------------------------
|
2016-06-21 19:48:58 +08:00
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_trace.h
|
|
|
|
:doc: i915_context_create and i915_context_free tracepoints
|
|
|
|
|
|
|
|
switch_mm
|
2016-06-21 19:49:00 +08:00
|
|
|
---------
|
2016-06-21 19:48:58 +08:00
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_trace.h
|
|
|
|
:doc: switch_mm tracepoint
|
|
|
|
|
2016-12-08 05:40:33 +08:00
|
|
|
Perf
|
|
|
|
====
|
|
|
|
|
|
|
|
Overview
|
|
|
|
--------
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:doc: i915 Perf Overview
|
|
|
|
|
|
|
|
Comparison with Core Perf
|
|
|
|
-------------------------
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:doc: i915 Perf History and Comparison with Core Perf
|
|
|
|
|
|
|
|
i915 Driver Entry Points
|
|
|
|
------------------------
|
|
|
|
|
|
|
|
This section covers the entrypoints exported outside of i915_perf.c to
|
|
|
|
integrate with drm/i915 and to handle the `DRM_I915_PERF_OPEN` ioctl.
|
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_init
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_fini
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_register
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_unregister
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_open_ioctl
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_release
|
|
|
|
|
|
|
|
i915 Perf Stream
|
|
|
|
----------------
|
|
|
|
|
|
|
|
This section covers the stream-semantics-agnostic structures and functions
|
|
|
|
for representing an i915 perf stream FD and associated file operations.
|
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_drv.h
|
|
|
|
:functions: i915_perf_stream
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_drv.h
|
|
|
|
:functions: i915_perf_stream_ops
|
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: read_properties_unlocked
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_open_ioctl_locked
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_destroy_locked
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_read
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_ioctl
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_enable_locked
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_disable_locked
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_poll
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_perf_poll_locked
|
|
|
|
|
|
|
|
i915 Perf Observation Architecture Stream
|
|
|
|
-----------------------------------------
|
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_drv.h
|
|
|
|
:functions: i915_oa_ops
|
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_oa_stream_init
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_oa_read
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_oa_stream_enable
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_oa_stream_disable
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_oa_wait_unlocked
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:functions: i915_oa_poll_wait
|
|
|
|
|
|
|
|
All i915 Perf Internals
|
|
|
|
-----------------------
|
|
|
|
|
|
|
|
This section simply includes all currently documented i915 perf internals, in
|
|
|
|
no particular order, but may include some more minor utilities or platform
|
|
|
|
specific details than found in the more high-level sections.
|
|
|
|
|
|
|
|
.. kernel-doc:: drivers/gpu/drm/i915/i915_perf.c
|
|
|
|
:internal:
|
|
|
|
|
2016-06-21 19:48:58 +08:00
|
|
|
.. WARNING: DOCPROC directive not supported: !Cdrivers/gpu/drm/i915/i915_irq.c
|