| Message ID | 20221116193105.363297-3-jernej.skrabec@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: allwinner: h6: Add second IOMMU reference to Cedrus | expand |
On 11/16/22 13:31, Jernej Skrabec wrote: > Cedrus H6 actually uses two IOMMU channels. During development page > faults from both were observed. Documentation also lists both of them > to be connected to Cedrus, but it doesn't make clear which is used for > what. > > Add second IOMMU channel. > > Fixes: 62a8ccf3a248 ("arm64: dts: allwinner: h6: Fix Cedrus IOMMU usage") > Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com> > --- > arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Samuel Holland <samuel@sholland.org>
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi index 53f6660656ac..7bff054a9bdf 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi @@ -172,7 +172,7 @@ video-codec@1c0e000 { resets = <&ccu RST_BUS_VE>; interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; allwinner,sram = <&ve_sram 1>; - iommus = <&iommu 3>; + iommus = <&iommu 1>, <&iommu 3>; }; gpu: gpu@1800000 {
Cedrus H6 actually uses two IOMMU channels. During development page faults from both were observed. Documentation also lists both of them to be connected to Cedrus, but it doesn't make clear which is used for what. Add second IOMMU channel. Fixes: 62a8ccf3a248 ("arm64: dts: allwinner: h6: Fix Cedrus IOMMU usage") Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com> --- arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)