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