diff options
Diffstat (limited to 'Documentation/gpu')
| -rw-r--r-- | Documentation/gpu/amdgpu.rst | 129 | ||||
| -rw-r--r-- | Documentation/gpu/drivers.rst | 2 | ||||
| -rw-r--r-- | Documentation/gpu/drm-client.rst | 12 | ||||
| -rw-r--r-- | Documentation/gpu/drm-kms-helpers.rst | 26 | ||||
| -rw-r--r-- | Documentation/gpu/drm-kms.rst | 28 | ||||
| -rw-r--r-- | Documentation/gpu/drm-mm.rst | 20 | ||||
| -rw-r--r-- | Documentation/gpu/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/gpu/kms-properties.csv | 1 | ||||
| -rw-r--r-- | Documentation/gpu/v3d.rst | 28 |
9 files changed, 237 insertions, 10 deletions
diff --git a/Documentation/gpu/amdgpu.rst b/Documentation/gpu/amdgpu.rst new file mode 100644 index 000000000000..a740e491dfcc --- /dev/null +++ b/Documentation/gpu/amdgpu.rst @@ -0,0 +1,129 @@ +========================= + drm/amdgpu AMDgpu driver +========================= + +The drm/amdgpu driver supports all AMD Radeon GPUs based on the Graphics Core +Next (GCN) architecture. + +Module Parameters +================= + +The amdgpu driver supports the following module parameters: + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c + +Core Driver Infrastructure +========================== + +This section covers core driver infrastructure. + +.. _amdgpu_memory_domains: + +Memory Domains +-------------- + +.. kernel-doc:: include/uapi/drm/amdgpu_drm.h + :doc: memory domains + +Buffer Objects +-------------- + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_object.c + :doc: amdgpu_object + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_object.c + :internal: + +PRIME Buffer Sharing +-------------------- + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c + :doc: PRIME Buffer Sharing + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c + :internal: + +MMU Notifier +------------ + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c + :doc: MMU Notifier + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c + :internal: + +AMDGPU Virtual Memory +--------------------- + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c + :doc: GPUVM + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c + :internal: + +Interrupt Handling +------------------ + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c + :doc: Interrupt Handling + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c + :internal: + +GPU Power/Thermal Controls and Monitoring +========================================= + +This section covers hwmon and power/thermal controls. + +HWMON Interfaces +---------------- + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c + :doc: hwmon + +GPU sysfs Power State Interfaces +-------------------------------- + +GPU power controls are exposed via sysfs files. + +power_dpm_state +~~~~~~~~~~~~~~~ + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c + :doc: power_dpm_state + +power_dpm_force_performance_level +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c + :doc: power_dpm_force_performance_level + +pp_table +~~~~~~~~ + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c + :doc: pp_table + +pp_od_clk_voltage +~~~~~~~~~~~~~~~~~ + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c + :doc: pp_od_clk_voltage + +pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c + :doc: pp_dpm_sclk pp_dpm_mclk pp_dpm_pcie + +pp_power_profile_mode +~~~~~~~~~~~~~~~~~~~~~ + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c + :doc: pp_power_profile_mode + +busy_percent +~~~~~~~~~~~~ + +.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c + :doc: busy_percent diff --git a/Documentation/gpu/drivers.rst b/Documentation/gpu/drivers.rst index d3ab6abae838..65be325bf282 100644 --- a/Documentation/gpu/drivers.rst +++ b/Documentation/gpu/drivers.rst @@ -4,12 +4,14 @@ GPU Driver Documentation .. toctree:: + amdgpu i915 meson pl111 tegra tinydrm tve200 + v3d vc4 bridge/dw-hdmi xen-front diff --git a/Documentation/gpu/drm-client.rst b/Documentation/gpu/drm-client.rst new file mode 100644 index 000000000000..7e672063e7eb --- /dev/null +++ b/Documentation/gpu/drm-client.rst @@ -0,0 +1,12 @@ +================= +Kernel clients +================= + +.. kernel-doc:: drivers/gpu/drm/drm_client.c + :doc: overview + +.. kernel-doc:: include/drm/drm_client.h + :internal: + +.. kernel-doc:: drivers/gpu/drm/drm_client.c + :export: diff --git a/Documentation/gpu/drm-kms-helpers.rst b/Documentation/gpu/drm-kms-helpers.rst index e37557b30f62..f9cfcdcdf024 100644 --- a/Documentation/gpu/drm-kms-helpers.rst +++ b/Documentation/gpu/drm-kms-helpers.rst @@ -109,6 +109,15 @@ Framebuffer CMA Helper Functions Reference .. _drm_bridges: +Framebuffer GEM Helper Reference +================================ + +.. kernel-doc:: drivers/gpu/drm/drm_gem_framebuffer_helper.c + :doc: overview + +.. kernel-doc:: drivers/gpu/drm/drm_gem_framebuffer_helper.c + :export: + Bridges ======= @@ -169,6 +178,15 @@ Display Port Helper Functions Reference .. kernel-doc:: drivers/gpu/drm/drm_dp_helper.c :export: +Display Port CEC Helper Functions Reference +=========================================== + +.. kernel-doc:: drivers/gpu/drm/drm_dp_cec.c + :doc: dp cec helpers + +.. kernel-doc:: drivers/gpu/drm/drm_dp_cec.c + :export: + Display Port Dual Mode Adaptor Helper Functions Reference ========================================================= @@ -282,13 +300,13 @@ Auxiliary Modeset Helpers .. kernel-doc:: drivers/gpu/drm/drm_modeset_helper.c :export: -Framebuffer GEM Helper Reference -================================ +OF/DT Helpers +============= -.. kernel-doc:: drivers/gpu/drm/drm_gem_framebuffer_helper.c +.. kernel-doc:: drivers/gpu/drm/drm_of.c :doc: overview -.. kernel-doc:: drivers/gpu/drm/drm_gem_framebuffer_helper.c +.. kernel-doc:: drivers/gpu/drm/drm_of.c :export: Legacy Plane Helper Reference diff --git a/Documentation/gpu/drm-kms.rst b/Documentation/gpu/drm-kms.rst index 1dffd1ac4cd4..5dee6b8a4c12 100644 --- a/Documentation/gpu/drm-kms.rst +++ b/Documentation/gpu/drm-kms.rst @@ -56,11 +56,12 @@ Overview The basic object structure KMS presents to userspace is fairly simple. Framebuffers (represented by :c:type:`struct drm_framebuffer <drm_framebuffer>`, -see `Frame Buffer Abstraction`_) feed into planes. One or more (or even no) -planes feed their pixel data into a CRTC (represented by :c:type:`struct -drm_crtc <drm_crtc>`, see `CRTC Abstraction`_) for blending. The precise -blending step is explained in more detail in `Plane Composition Properties`_ and -related chapters. +see `Frame Buffer Abstraction`_) feed into planes. Planes are represented by +:c:type:`struct drm_plane <drm_plane>`, see `Plane Abstraction`_ for more +details. One or more (or even no) planes feed their pixel data into a CRTC +(represented by :c:type:`struct drm_crtc <drm_crtc>`, see `CRTC Abstraction`_) +for blending. The precise blending step is explained in more detail in `Plane +Composition Properties`_ and related chapters. For the output routing the first step is encoders (represented by :c:type:`struct drm_encoder <drm_encoder>`, see `Encoder Abstraction`_). Those @@ -373,6 +374,15 @@ Connector Functions Reference .. kernel-doc:: drivers/gpu/drm/drm_connector.c :export: +Writeback Connectors +-------------------- + +.. kernel-doc:: drivers/gpu/drm/drm_writeback.c + :doc: overview + +.. kernel-doc:: drivers/gpu/drm/drm_writeback.c + :export: + Encoder Abstraction =================== @@ -457,7 +467,7 @@ Output discovery and initialization example drm_encoder_init(dev, &intel_output->enc, &intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC); - drm_mode_connector_attach_encoder(&intel_output->base, + drm_connector_attach_encoder(&intel_output->base, &intel_output->enc); /* Set up the DDC bus. */ @@ -517,6 +527,12 @@ Standard Connector Properties .. kernel-doc:: drivers/gpu/drm/drm_connector.c :doc: standard connector properties +HDMI Specific Connector Properties +---------------------------------- + +.. kernel-doc:: drivers/gpu/drm/drm_connector.c + :doc: HDMI connector properties + Plane Composition Properties ---------------------------- diff --git a/Documentation/gpu/drm-mm.rst b/Documentation/gpu/drm-mm.rst index b08e9dcd9177..21b6b72a9ba8 100644 --- a/Documentation/gpu/drm-mm.rst +++ b/Documentation/gpu/drm-mm.rst @@ -395,6 +395,8 @@ VMA Offset Manager .. kernel-doc:: drivers/gpu/drm/drm_vma_manager.c :export: +.. _prime_buffer_sharing: + PRIME Buffer Sharing ==================== @@ -496,3 +498,21 @@ DRM Sync Objects .. kernel-doc:: drivers/gpu/drm/drm_syncobj.c :export: + +GPU Scheduler +============= + +Overview +-------- + +.. kernel-doc:: drivers/gpu/drm/scheduler/gpu_scheduler.c + :doc: Overview + +Scheduler Function References +----------------------------- + +.. kernel-doc:: include/drm/gpu_scheduler.h + :internal: + +.. kernel-doc:: drivers/gpu/drm/scheduler/gpu_scheduler.c + :export: diff --git a/Documentation/gpu/index.rst b/Documentation/gpu/index.rst index 00288f34c5a6..1fcf8e851e15 100644 --- a/Documentation/gpu/index.rst +++ b/Documentation/gpu/index.rst @@ -10,6 +10,7 @@ Linux GPU Driver Developer's Guide drm-kms drm-kms-helpers drm-uapi + drm-client drivers vga-switcheroo vgaarbiter diff --git a/Documentation/gpu/kms-properties.csv b/Documentation/gpu/kms-properties.csv index 07ed22ea3bd6..bfde04eddd14 100644 --- a/Documentation/gpu/kms-properties.csv +++ b/Documentation/gpu/kms-properties.csv @@ -17,6 +17,7 @@ Owner Module/Drivers,Group,Property Name,Type,Property Values,Object attached,De ,Virtual GPU,“suggested X”,RANGE,"Min=0, Max=0xffffffff",Connector,property to suggest an X offset for a connector ,,“suggested Y”,RANGE,"Min=0, Max=0xffffffff",Connector,property to suggest an Y offset for a connector ,Optional,"""aspect ratio""",ENUM,"{ ""None"", ""4:3"", ""16:9"" }",Connector,TDB +,Optional,"""content type""",ENUM,"{ ""No Data"", ""Graphics"", ""Photo"", ""Cinema"", ""Game"" }",Connector,TBD i915,Generic,"""Broadcast RGB""",ENUM,"{ ""Automatic"", ""Full"", ""Limited 16:235"" }",Connector,"When this property is set to Limited 16:235 and CTM is set, the hardware will be programmed with the result of the multiplication of CTM by the limited range matrix to ensure the pixels normaly in the range 0..1.0 are remapped to the range 16/255..235/255." ,,“audio”,ENUM,"{ ""force-dvi"", ""off"", ""auto"", ""on"" }",Connector,TBD ,SDVO-TV,“mode”,ENUM,"{ ""NTSC_M"", ""NTSC_J"", ""NTSC_443"", ""PAL_B"" } etc.",Connector,TBD diff --git a/Documentation/gpu/v3d.rst b/Documentation/gpu/v3d.rst new file mode 100644 index 000000000000..543f7fbf526e --- /dev/null +++ b/Documentation/gpu/v3d.rst @@ -0,0 +1,28 @@ +===================================== + drm/v3d Broadcom V3D Graphics Driver +===================================== + +.. kernel-doc:: drivers/gpu/drm/v3d/v3d_drv.c + :doc: Broadcom V3D Graphics Driver + +GPU buffer object (BO) management +--------------------------------- + +.. kernel-doc:: drivers/gpu/drm/v3d/v3d_bo.c + :doc: V3D GEM BO management support + +Address space management +=========================================== +.. kernel-doc:: drivers/gpu/drm/v3d/v3d_mmu.c + :doc: Broadcom V3D MMU + +GPU Scheduling +=========================================== +.. kernel-doc:: drivers/gpu/drm/v3d/v3d_sched.c + :doc: Broadcom V3D scheduling + +Interrupts +-------------- + +.. kernel-doc:: drivers/gpu/drm/v3d/v3d_irq.c + :doc: Interrupt management for the V3D engine |