Hi, The composite output in the BCM2711 is dealt using the VEC. While the earlier SoCs were properly supported, it wasn't functional on the BCM2711. Add the needed support from the RPi downstream kernel.
Maxime Mateusz Kwiatkowski (4): drm/vc4: Fix clock source for VEC PixelValve on BCM2711 dt-bindings: display: bcm2835-vec: Add BCM2711 compatible drm/vc4: Separate VEC compatible variants ARM: boot: dts: bcm2711: Add BCM2711 VEC compatible .../bindings/display/brcm,bcm2835-vec.yaml | 4 ++- arch/arm/boot/dts/bcm2711.dtsi | 1 + drivers/gpu/drm/vc4/vc4_crtc.c | 2 +- drivers/gpu/drm/vc4/vc4_vec.c | 27 +++++++++++++++---- 4 files changed, 27 insertions(+), 7 deletions(-) -- 2.31.1
