1===================================== 2 drm/vc4 Broadcom VC4 Graphics Driver 3===================================== 4 5.. kernel-doc:: drivers/gpu/drm/vc4/vc4_drv.c 6 :doc: Broadcom VC4 Graphics Driver 7 8Display Hardware Handling 9========================= 10 11This section covers everything related to the display hardware including 12the mode setting infrastructure, plane, sprite and cursor handling and 13display, output probing and related topics. 14 15Pixel Valve (DRM CRTC) 16---------------------- 17 18.. kernel-doc:: drivers/gpu/drm/vc4/vc4_crtc.c 19 :doc: VC4 CRTC module 20 21HVS 22--- 23 24.. kernel-doc:: drivers/gpu/drm/vc4/vc4_hvs.c 25 :doc: VC4 HVS module. 26 27HVS planes 28---------- 29 30.. kernel-doc:: drivers/gpu/drm/vc4/vc4_plane.c 31 :doc: VC4 plane module 32 33HDMI encoder 34------------ 35 36.. kernel-doc:: drivers/gpu/drm/vc4/vc4_hdmi.c 37 :doc: VC4 Falcon HDMI module 38 39DSI encoder 40----------- 41 42.. kernel-doc:: drivers/gpu/drm/vc4/vc4_dsi.c 43 :doc: VC4 DSI0/DSI1 module 44 45DPI encoder 46----------- 47 48.. kernel-doc:: drivers/gpu/drm/vc4/vc4_dpi.c 49 :doc: VC4 DPI module 50 51VEC (Composite TV out) encoder 52------------------------------ 53 54.. kernel-doc:: drivers/gpu/drm/vc4/vc4_vec.c 55 :doc: VC4 SDTV module 56 57KUnit Tests 58=========== 59 60The VC4 Driver uses KUnit to perform driver-specific unit and 61integration tests. 62 63These tests are using a mock driver and can be ran using the 64command below, on either arm or arm64 architectures, 65 66.. code-block:: bash 67 68 $ ./tools/testing/kunit/kunit.py run \ 69 --kunitconfig=drivers/gpu/drm/vc4/tests/.kunitconfig \ 70 --cross_compile aarch64-linux-gnu- --arch arm64 71 72Parts of the driver that are currently covered by tests are: 73 * The HVS to PixelValve dynamic FIFO assignment, for the BCM2835-7 74 and BCM2711. 75 76Memory Management and 3D Command Submission 77=========================================== 78 79This section covers the GEM implementation in the vc4 driver. 80 81GPU buffer object (BO) management 82--------------------------------- 83 84.. kernel-doc:: drivers/gpu/drm/vc4/vc4_bo.c 85 :doc: VC4 GEM BO management support 86 87V3D binner command list (BCL) validation 88---------------------------------------- 89 90.. kernel-doc:: drivers/gpu/drm/vc4/vc4_validate.c 91 :doc: Command list validator for VC4. 92 93V3D render command list (RCL) generation 94---------------------------------------- 95 96.. kernel-doc:: drivers/gpu/drm/vc4/vc4_render_cl.c 97 :doc: Render command list generation 98 99Shader validator for VC4 100--------------------------- 101.. kernel-doc:: drivers/gpu/drm/vc4/vc4_validate_shaders.c 102 :doc: Shader validator for VC4. 103 104V3D Interrupts 105-------------- 106 107.. kernel-doc:: drivers/gpu/drm/vc4/vc4_irq.c 108 :doc: Interrupt management for the V3D engine 109