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PCI/VGA: Simplify vga_arbiter_notify_clients() 

In vga_arbiter_notify_clients(), "new_state" was computed during every loop
iteration even though it doesn't depend on anything that changes during the
loop.   Move the computation outside the loop.

[bhelgaas: drop renames that obscure the purpose, commit log]
Link: https://lore.kernel.org/r/20230808223412.1743176-6-sui.jingfeng@linux.dev
Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Sui Jingfeng 2023-08-09 06:34:06 +08:00 committed by Bjorn Helgaas
parent 60b4925d1a
commit b421364a90
1 changed files with 2 additions and 4 deletions
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6
drivers/pci/vgaarb.c
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@ -1477,12 +1477,10 @@ static void vga_arbiter_notify_clients(void)
if (!vga_arbiter_used) if (!vga_arbiter_used)
return; return;
new_state = (vga_count > 1) ? false : true;
spin_lock_irqsave(&vga_lock, flags); spin_lock_irqsave(&vga_lock, flags);
list_for_each_entry(vgadev, &vga_list, list) { list_for_each_entry(vgadev, &vga_list, list) {
if (vga_count > 1)
new_state = false;
else
new_state = true;
if (vgadev->set_decode) { if (vgadev->set_decode) {
new_decodes = vgadev->set_decode(vgadev->pdev, new_decodes = vgadev->set_decode(vgadev->pdev,
new_state); new_state);