Changeset 34e3e2d

Timestamp:

09/22/2022 04:11:00 AM (19 months ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

11.3, 12.0, 12.1, kea, ken/TL2024, ken/inkscape-core-mods, ken/tuningfonts, lazarus, lxqt, plabs/newcss, plabs/python-mods, python3.11, qt5new, rahul/power-profiles-daemon, renodr/vulkan-addition, trunk, xry111/llvm18, xry111/xf86-video-removal

Children:

b804521

Parents:

498e62a

git-author:

Xi Ruoyao <xry111@…> (09/22/2022 04:09:04 AM)

git-committer:

Xi Ruoyao <xry111@…> (09/22/2022 04:11:00 AM)

Message:

grub UEFI setup: add CONFIG_DRM_FBDEV_EMULATION

It's needed for running Linux console on top of SimpleDRM.

Fixes #17112 at BLFS side. The issue is not limited to UEFI: if you
want to run the Linux console on any kernel modesetting driver, it's
needed. So we need to mention it in LFS as well.

File:

• postlfs/filesystems/uefi-bootloaders/grub-setup.xml (modified) (2 diffs)

postlfs/filesystems/uefi-bootloaders/grub-setup.xml

@@ -130 +130 @@
   Graphics support --->
     <*> Direct Rendering Manager                               [CONFIG_DRM]
+    [*] Enable legacy fbdev support for your modesetting driver [CONFIG_DRM_FBDEV_EMULATION]
     <*> Simple framebuffer driver                              [CONFIG_DRM_SIMPLEDRM]
     Frame buffer Devices --->
@@ -167 +168 @@
           <parameter>CONFIG_SYSFB_SIMPLEFB</parameter>,
           <parameter>CONFIG_DRM</parameter>,
+          <parameter>CONFIG_DRM_FBDEV_EMULATION</parameter>,
           <parameter>CONFIG_DRM_SIMPLEDRM</parameter>,
           <parameter>CONFIG_FB</parameter>, and
           <parameter>CONFIG_FRAMEBUFFER_CONSOLE</parameter></term>
         <listitem>
-          <para>The combination of these options allows the kernel to
-          print debug messages (along with Tux logos) at an early stage of
-          the boot process with UEFI.  To ensure they are functional at that early
-          stage, they shouldn't be built as kernel modules unless an
-          initramfs will be used.</para>
+          <para>The combination of these options provides the Linux console
+          support on top of the UEFI framebuffer.  To allow the kernel to
+          print debug messages at an early boot stage, they shouldn't be
+          built as kernel modules unless an initramfs will be used.</para>
         </listitem>
       </varlistentry>