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Documentation/gpu: Reorganize DC documentation
Display core documentation is not well organized, and it is hard to find information due to the lack of sections. This commit reorganizes the documentation layout, and it is preparation work for future changes. Changes since V1: - Christian: Group amdgpu documentation together. - Daniel: Drop redundant amdgpu prefix. - Jani: Create index pages. - Yann: Mirror display folder in the documentation. Reviewed-by: Yann Dirson <ydirson@free.fr> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira
Alex Deucher
parent
6ff7fddbd1
commit
e91f840142
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===================================
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drm/amd/display - Display Core (DC)
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===================================
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*placeholder - general description of supported platforms, what dc is, etc.*
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Because it is partially shared with other operating systems, the Display Core
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Driver is divided in two pieces.
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1. **Display Core (DC)** contains the OS-agnostic components. Things like
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hardware programming and resource management are handled here.
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2. **Display Manager (DM)** contains the OS-dependent components. Hooks to the
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amdgpu base driver and DRM are implemented here.
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It doesn't help that the entire package is frequently referred to as DC. But
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with the context in mind, it should be clear.
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When CONFIG_DRM_AMD_DC is enabled, DC will be initialized by default for
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supported ASICs. To force disable, set `amdgpu.dc=0` on kernel command line.
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Likewise, to force enable on unsupported ASICs, set `amdgpu.dc=1`.
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To determine if DC is loaded, search dmesg for the following entry:
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``Display Core initialized with <version number here>``
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AMDgpu Display Manager
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======================
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:doc: overview
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
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:internal:
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Lifecycle
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---------
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:doc: DM Lifecycle
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:functions: dm_hw_init dm_hw_fini
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Interrupts
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----------
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
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:doc: overview
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
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:internal:
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:functions: register_hpd_handlers dm_crtc_high_irq dm_pflip_high_irq
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Atomic Implementation
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---------------------
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:doc: atomic
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:functions: amdgpu_dm_atomic_check amdgpu_dm_atomic_commit_tail
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Display Core
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============
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**WIP**
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FreeSync Video
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--------------
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:doc: FreeSync Video
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4
Documentation/gpu/amdgpu/display/dc-debug.rst
Normal file
4
Documentation/gpu/amdgpu/display/dc-debug.rst
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Display Core Debug tools
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========================
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TODO
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42
Documentation/gpu/amdgpu/display/display-manager.rst
Normal file
42
Documentation/gpu/amdgpu/display/display-manager.rst
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======================
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AMDgpu Display Manager
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======================
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.. contents:: Table of Contents
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:depth: 3
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:doc: overview
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
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:internal:
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Lifecycle
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=========
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:doc: DM Lifecycle
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:functions: dm_hw_init dm_hw_fini
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Interrupts
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==========
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
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:doc: overview
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
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:internal:
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:functions: register_hpd_handlers dm_crtc_high_irq dm_pflip_high_irq
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Atomic Implementation
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=====================
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:doc: atomic
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:functions: amdgpu_dm_atomic_check amdgpu_dm_atomic_commit_tail
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29
Documentation/gpu/amdgpu/display/index.rst
Normal file
29
Documentation/gpu/amdgpu/display/index.rst
Normal file
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===================================
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drm/amd/display - Display Core (DC)
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===================================
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*placeholder - general description of supported platforms, what dc is, etc.*
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Because it is partially shared with other operating systems, the Display Core
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Driver is divided in two pieces.
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1. **Display Core (DC)** contains the OS-agnostic components. Things like
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hardware programming and resource management are handled here.
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2. **Display Manager (DM)** contains the OS-dependent components. Hooks to the
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amdgpu base driver and DRM are implemented here.
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It doesn't help that the entire package is frequently referred to as DC. But
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with the context in mind, it should be clear.
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When CONFIG_DRM_AMD_DC is enabled, DC will be initialized by default for
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supported ASICs. To force disable, set `amdgpu.dc=0` on kernel command line.
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Likewise, to force enable on unsupported ASICs, set `amdgpu.dc=1`.
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To determine if DC is loaded, search dmesg for the following entry:
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.. toctree::
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display-manager.rst
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dc-debug.rst
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``Display Core initialized with <version number here>``
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@ -1,6 +1,6 @@
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=========================
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==========================
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drm/amdgpu AMDgpu driver
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=========================
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==========================
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The drm/amdgpu driver supports all AMD Radeon GPUs based on the Graphics Core
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Next (GCN) architecture.
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@ -71,7 +71,7 @@ Interrupt Handling
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:internal:
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IP Blocks
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------------------
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---------
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.. kernel-doc:: drivers/gpu/drm/amd/include/amd_shared.h
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:doc: IP Blocks
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@ -79,6 +79,18 @@ IP Blocks
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.. kernel-doc:: drivers/gpu/drm/amd/include/amd_shared.h
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:identifiers: amd_ip_block_type amd_ip_funcs
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Display Core
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============
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This section covers Display core.
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.. toctree::
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display/index
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.. kernel-doc:: drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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:doc: overview
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AMDGPU XGMI Support
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===================
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@ -4,8 +4,7 @@ GPU Driver Documentation
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.. toctree::
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amdgpu
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amdgpu-dc
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amdgpu/index
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i915
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mcde
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meson
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