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:: 65 ./tools/testing/kunit/kunit.py run \ 66 --kunitconfig=drivers/gpu/drm/vc4/tests/.kunitconfig \ 67 --cross_compile aarch64-linux-gnu- --arch arm64 68 69Parts of the driver that are currently covered by tests are: 70 * The HVS to PixelValve dynamic FIFO assignment, for the BCM2835-7 71 and BCM2711. 72 73Memory Management and 3D Command Submission 74=========================================== 75 76This section covers the GEM implementation in the vc4 driver. 77 78GPU buffer object (BO) management 79--------------------------------- 80 81.. kernel-doc:: drivers/gpu/drm/vc4/vc4_bo.c 82 :doc: VC4 GEM BO management support 83 84V3D binner command list (BCL) validation 85---------------------------------------- 86 87.. kernel-doc:: drivers/gpu/drm/vc4/vc4_validate.c 88 :doc: Command list validator for VC4. 89 90V3D render command list (RCL) generation 91---------------------------------------- 92 93.. kernel-doc:: drivers/gpu/drm/vc4/vc4_render_cl.c 94 :doc: Render command list generation 95 96Shader validator for VC4 97--------------------------- 98.. kernel-doc:: drivers/gpu/drm/vc4/vc4_validate_shaders.c 99 :doc: Shader validator for VC4. 100 101V3D Interrupts 102-------------- 103 104.. kernel-doc:: drivers/gpu/drm/vc4/vc4_irq.c 105 :doc: Interrupt management for the V3D engine 106