Explicitly disable v3d, pixelvalve, and hvs for bcm283x at the moment. When these devices or hdmi are enabled, firmware turns off GPU functionality of VideoCore, expecting OS drivers handle it appropriately: https://github.com/raspberrypi/firmware/issues/763 This breaks userland applications using /dev/vchiq, such as omxplayer. XXX We need enable them back when we import vc4 drm driver. Fix PR port-evbarm/52984 and PR port-arm/53042. OK jmcneill, skrlldiff -r1.4 -r1.5 src/sys/external/gpl2/dts/dist/arch/arm/boot/dts/bcm283x.dtsi
(rin)
--- src/sys/external/gpl2/dts/dist/arch/arm/boot/dts/bcm283x.dtsi 2018/06/27 16:32:14 1.4
+++ src/sys/external/gpl2/dts/dist/arch/arm/boot/dts/bcm283x.dtsi 2018/08/22 13:16:41 1.5
@@ -434,12 +434,14 @@
compatible = "brcm,bcm2835-pixelvalve0";
reg = <0x7e206000 0x100>;
interrupts = <2 13>; /* pwa0 */
+ status = "disabled";
};
pixelvalve@7e207000 {
compatible = "brcm,bcm2835-pixelvalve1";
reg = <0x7e207000 0x100>;
interrupts = <2 14>; /* pwa1 */
+ status = "disabled";
};
dpi: dpi@7e208000 {
@@ -537,6 +539,7 @@
compatible = "brcm,bcm2835-hvs";
reg = <0x7e400000 0x6000>;
interrupts = <2 1>;
+ status = "disabled";
};
dsi1: dsi@7e700000 {
@@ -591,6 +594,7 @@
compatible = "brcm,bcm2835-pixelvalve2";
reg = <0x7e807000 0x100>;
interrupts = <2 10>; /* pixelvalve */
+ status = "disabled";
};
hdmi: hdmi@7e902000 {
@@ -623,6 +627,7 @@
compatible = "brcm,bcm2835-v3d";
reg = <0x7ec00000 0x1000>;
interrupts = <1 10>;
+ status = "disabled";
};
vc4: gpu {