diff options
Diffstat (limited to 'Documentation/gpu/drm-internals.rst')
| -rw-r--r-- | Documentation/gpu/drm-internals.rst | 79 |
1 files changed, 17 insertions, 62 deletions
diff --git a/Documentation/gpu/drm-internals.rst b/Documentation/gpu/drm-internals.rst index 5ee9674fb9e9..966bd2d9f0cc 100644 --- a/Documentation/gpu/drm-internals.rst +++ b/Documentation/gpu/drm-internals.rst @@ -39,68 +39,6 @@ sections. Driver Information ------------------ -Driver Features -~~~~~~~~~~~~~~~ - -Drivers inform the DRM core about their requirements and supported -features by setting appropriate flags in the driver_features field. -Since those flags influence the DRM core behaviour since registration -time, most of them must be set to registering the :c:type:`struct -drm_driver <drm_driver>` instance. - -u32 driver_features; - -DRIVER_USE_AGP - Driver uses AGP interface, the DRM core will manage AGP resources. - -DRIVER_LEGACY - Denote a legacy driver using shadow attach. Don't use. - -DRIVER_KMS_LEGACY_CONTEXT - Used only by nouveau for backwards compatibility with existing userspace. - Don't use. - -DRIVER_PCI_DMA - Driver is capable of PCI DMA, mapping of PCI DMA buffers to - userspace will be enabled. Deprecated. - -DRIVER_SG - Driver can perform scatter/gather DMA, allocation and mapping of - scatter/gather buffers will be enabled. Deprecated. - -DRIVER_HAVE_DMA - Driver supports DMA, the userspace DMA API will be supported. - Deprecated. - -DRIVER_HAVE_IRQ; DRIVER_IRQ_SHARED - DRIVER_HAVE_IRQ indicates whether the driver has an IRQ handler - managed by the DRM Core. The core will support simple IRQ handler - installation when the flag is set. The installation process is - described in ?. - - DRIVER_IRQ_SHARED indicates whether the device & handler support - shared IRQs (note that this is required of PCI drivers). - -DRIVER_GEM - Driver use the GEM memory manager. - -DRIVER_MODESET - Driver supports mode setting interfaces (KMS). - -DRIVER_PRIME - Driver implements DRM PRIME buffer sharing. - -DRIVER_RENDER - Driver supports dedicated render nodes. - -DRIVER_ATOMIC - Driver supports atomic properties. In this case the driver must - implement appropriate obj->atomic_get_property() vfuncs for any - modeset objects with driver specific properties. - -DRIVER_SYNCOBJ - Driver support drm sync objects. - Major, Minor and Patchlevel ~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -143,6 +81,9 @@ Device Instance and Driver Handling .. kernel-doc:: drivers/gpu/drm/drm_drv.c :doc: driver instance overview +.. kernel-doc:: include/drm/drm_device.h + :internal: + .. kernel-doc:: include/drm/drm_drv.h :internal: @@ -152,6 +93,11 @@ Device Instance and Driver Handling Driver Load ----------- +Component Helper Usage +~~~~~~~~~~~~~~~~~~~~~~ + +.. kernel-doc:: drivers/gpu/drm/drm_drv.c + :doc: component helper usage recommendations IRQ Helper Library ~~~~~~~~~~~~~~~~~~ @@ -230,6 +176,15 @@ Printer .. kernel-doc:: drivers/gpu/drm/drm_print.c :export: +Utilities +--------- + +.. kernel-doc:: include/drm/drm_util.h + :doc: drm utils + +.. kernel-doc:: include/drm/drm_util.h + :internal: + Legacy Support Code =================== |