On 22/02/2023 17:55, suijingfeng wrote:
> The display controller is a pci device, it's pci vendor id is
> 0x0014, it's pci device id is 0x7a06.
>
> Signed-off-by: suijingfeng <suijingfeng@xxxxxxxxxxx>
> ---
> .../boot/dts/loongson/loongson64-2k1000.dtsi | 21 +++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
> index 8143a61111e3..a528af3977d9 100644
> --- a/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
> +++ b/arch/mips/boot/dts/loongson/loongson64-2k1000.dtsi
> @@ -31,6 +31,18 @@ memory@200000 {
> <0x00000001 0x10000000 0x00000001 0xb0000000>; /* 6912 MB at 4352MB */
> };
>
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + display_reserved: framebuffer@30000000 {
> + compatible = "shared-dma-pool";
> + reg = <0x0 0x30000000 0x0 0x04000000>; /* 64M */
> + linux,cma-default;
> + };
> + };
> +
> cpu_clk: cpu_clk {
> #clock-cells = <0>;
> compatible = "fixed-clock";
> @@ -198,6 +210,15 @@ sata@8,0 {
> interrupt-parent = <&liointc0>;
> };
>
> + display-controller@6,0 {
> + compatible = "loongson,ls2k1000-dc";
> +
> + reg = <0x3000 0x0 0x0 0x0 0x0>;
> + interrupts = <28 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-parent = <&liointc0>;
> + memory-region = <&display_reserved>;
NAK. Test your code against the bindings you send. It's the same
patchset. You basically send something which the same moment is incorrect.
Best regards,
Krzysztof
