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
