When I was trying to build kernel 4.3.0 (from linux-stable) with EXYNOS_IOMMU I was getting an kernel oop on boot, which forced me to restart, so the kernel was not usable. Sadly I didn't make a paste of it. Can try to reproduce this error and send it if you like.
Are you not getting this error when building the kernel with it? (I also own a Odroid U3+.) Regards :) 2015-11-11 1:43 GMT+01:00 Krzysztof Kozlowski <[email protected]>: > On 10.11.2015 19:24, Marek Szyprowski wrote: >> FIMD device is not used at all on Exynos5422-based Odroid XU3-lite and >> XU4. XU3 board teorethically can support FIMD with DisplayPort > > s/teorethically/theoretically/ > >> connector, but due to hw limitation/design it doesn't work in most >> cases. It is also not even enabled in XU3 dts file. >> >> FIMD node was enabled mainly due to limitation of early Exynos DRM >> driver, which didn't initialize properly when no FIMD device was >> available. This node can be now safetly removed from XU3-common dtsi and > > s/safetly/safely/ > >> added layer to Odroid XU3 dts, when Display Port driver gets enabled. >> >> Signed-off-by: Marek Szyprowski <[email protected]> >> --- >> arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 5 ----- >> 1 file changed, 5 deletions(-) > > Tested on Odroid XU4 board (HDMI, IOMMU enabled): > > Tested-by: Krzysztof Kozlowski <[email protected]> > Reviewed-by: Krzysztof Kozlowski <[email protected]> > > > No need for respin, the changelog fixes above can be done during applying. > > > BTW, do you know why we don't have EXYNOS_IOMMU enabled in defconfig? > Any reasons against? > > Best regards, > Krzysztof > > >> diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi >> b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi >> index 1af5bdc..9134217 100644 >> --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi >> +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi >> @@ -67,11 +67,6 @@ >> <19200000>; >> }; >> >> -&fimd { >> - status = "okay"; >> -}; >> - >> - >> &hdmi { >> status = "okay"; >> hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>; >> > > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" > in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
