Kernel: Put a note about the unconditional unblanking of bochs-display

This removes the FIXME note and explains why it's not so bad to do this.
Author: https://github.com/supercomputer7 Commit: https://github.com/SerenityOS/serenity/commit/3645861f31c Pull-request: https://github.com/SerenityOS/serenity/pull/8959
2021-07-23 15:49:03 +03:00 · 2021-07-23 15:49:03 +03:00 · 3645861f31 · 2024-07-18 08:24:55 +09:00
commit 3645861f31
parent 3c1797c42d
1 changed files with 3 additions and 3 deletions
--- a/Kernel/Graphics/Bochs/GraphicsAdapter.cpp
+++ b/Kernel/Graphics/Bochs/GraphicsAdapter.cpp
@ -78,9 +78,9 @@ UNMAP_AFTER_INIT BochsGraphicsAdapter::BochsGraphicsAdapter(PCI::Address pci_add
    if (id.vendor_id == 0x80ee && id.device_id == 0xbeef)
        m_io_required = true;

-    // FIXME: Although this helps with setting the screen to work on some cases,
-    // we need to check we actually can access the VGA MMIO remapped ioports before
-    // doing the unblanking.
+    // Note: According to Gerd Hoffmann - "The linux driver simply does
+    // the unblank unconditionally. With bochs-display this is not needed but
+    // it also has no bad side effect".
    unblank();
    set_safe_resolution();
 }