Re: [PATCH 1/1] riscv: defconfig: enable DRM_NOUVEAU

[Palmer Dabbelt]

On Tue, 12 Oct 2021 09:46:58 PDT (-0700), heinrich.schuchardt@xxxxxxxxxxxxx wrote:
> Both RADEON and NOUVEAU graphics cards are supported on RISC-V. Enabling
> the one and not the other does not make sense.
>
> As typically at most one of RADEON, NOUVEAU, or VIRTIO GPU support will be
> needed DRM drivers should be compiled as modules.

Do you have an nVidia card that works on real hardware?  Last I checked 
was a while ago, but they weren't working at the time (IIRC it was 
something to do with PCIe addressing, but it was a hardware limitation 
so I don't remember exactly how it all fits together).

If they work then I'm happy to flip them on.

> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@xxxxxxxxxxxxx>
> ---
>  arch/riscv/configs/defconfig | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
> index 4ebc80315f01..c252fd5706d2 100644
> --- a/arch/riscv/configs/defconfig
> +++ b/arch/riscv/configs/defconfig
> @@ -72,9 +72,10 @@ CONFIG_GPIOLIB=y
>  CONFIG_GPIO_SIFIVE=y
>  # CONFIG_PTP_1588_CLOCK is not set
>  CONFIG_POWER_RESET=y
> -CONFIG_DRM=y
> -CONFIG_DRM_RADEON=y
> -CONFIG_DRM_VIRTIO_GPU=y
> +CONFIG_DRM=m
> +CONFIG_DRM_RADEON=m
> +CONFIG_DRM_NOUVEAU=m
> +CONFIG_DRM_VIRTIO_GPU=m
>  CONFIG_FRAMEBUFFER_CONSOLE=y
>  CONFIG_USB=y
>  CONFIG_USB_XHCI_HCD=y