Thank you for your answer. It seems to be an issue with our older hardware.
-- Best Regards --------------------------------------------------- Wang Mingyu FUJITSU NANJING SOFTWARE TECHNOLOGY CO., LTD. (FNST) No.6 Wenzhu Road, Nanjing, 210012, China TEL：+86+25-86630566--8568 COINS: 79988548 FAX: +86+25-83317685 MAIL: [email protected] > -----Original Message----- > From: Kevin Hao <[email protected]> > Sent: Friday, December 13, 2024 10:38 AM > To: Wang, Mingyu/王 鸣瑜 <[email protected]> > Cc: [email protected] > Subject: Re: [linux-yocto] screen issue of x86_64 > > On Fri, Dec 13, 2024 at 01:44:20AM +0000, Mingyu Wang (Fujitsu) wrote: > > If set CONFIG_DRM_FBDEV_EMULATION enabled, the screen can show > normally. > > > > Since not enabling this config will cause display issues, why not set it to > > enabled > by default. > > The CONFIG_DRM_FBDEV_EMULATION is used to enable the support for the > legacy fbdev. > Graphics on a Linux system should function without the fbdev support, which > might explain why it is not enabled in the x86_64_defconfig. > > By the way, for the linux-yocto kernel, we don't use the defconfigs provided > in > the kernel source tree. Instead, we utilize the kernel cache [1] for the > kernel > configuration. > > [1] https://docs.yoctoproject.org/kernel-dev/advanced.html > > Thanks, > Kevin
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