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 8 Display Hardware Handling 9 ========================= 10 11 This section covers everything related to the display hardware including 12 the mode setting infrastructure, plane, sprite and cursor handling and 13 display, output probing and related topics. 14 15 Pixel Valve (DRM CRTC) 16 ---------------------- 17 18 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_crtc.c 19 :doc: VC4 CRTC module 20 21 HVS 22 --- 23 24 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_hvs.c 25 :doc: VC4 HVS module. 26 27 HVS planes 28 ---------- 29 30 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_plane.c 31 :doc: VC4 plane module 32 33 HDMI encoder 34 ------------ 35 36 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_hdmi.c 37 :doc: VC4 Falcon HDMI module 38 39 DSI encoder 40 ----------- 41 42 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_dsi.c 43 :doc: VC4 DSI0/DSI1 module 44 45 DPI encoder 46 ----------- 47 48 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_dpi.c 49 :doc: VC4 DPI module 50 51 VEC (Composite TV out) encoder 52 ------------------------------ 53 54 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_vec.c 55 :doc: VC4 SDTV module 56 57 KUnit Tests 58 =========== 59 60 The VC4 Driver uses KUnit to perform driver-specific unit and 61 integration tests. 62 63 These tests are using a mock driver and can be ran using the 64 command 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 72 Parts 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 76 Memory Management and 3D Command Submission 77 =========================================== 78 79 This section covers the GEM implementation in the vc4 driver. 80 81 GPU buffer object (BO) management 82 --------------------------------- 83 84 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_bo.c 85 :doc: VC4 GEM BO management support 86 87 V3D 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 93 V3D 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 99 Shader validator for VC4 100 --------------------------- 101 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_validate_shaders.c 102 :doc: Shader validator for VC4. 103 104 V3D Interrupts 105 -------------- 106 107 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_irq.c 108 :doc: Interrupt management for the V3D engine
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