Re: [PATCH v7 8/8] drm/radeon: Implement the is_boot_device callback function

[Sui Jingfeng]

PING ?


On 2023/6/13 11:01, Sui Jingfeng wrote:
> From: Sui Jingfeng <suijingfeng@xxxxxxxxxxx>
>
> [why]
>
> The vga_is_firmware_default() defined in drivers/pci/vgaarb.c is
> arch-dependent, it's a dummy on non-x86 architectures currently.
> This made VGAARB lost an important condition for the arbitration.
> It could still be wrong even if we remove the #ifdef and #endif guards.
> because the PCI bar will move (resource re-allocation).
>
> [how]
>
> The device that owns the firmware framebuffer should be the default boot
> device. This patch adds an arch-independent function to enforce this rule

--
Jingfeng