vgaarb: Keep adding VGA device in queue

If failed to find the deivice owning the boot framebuffer,
try to use the first VGA device instead of the last one.

Usually the 1st device is integrated GPU who owns the boot framebuffer.

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1535739600-8842-2-git-send-email-aaron.ma@canonical.com

diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index 8d90e66..dc8e039 100644 (file)
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -676,7 +676,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
        vga_arbiter_check_bridge_sharing(vgadev);
 
        /* Add to the list */
-       list_add(&vgadev->list, &vga_list);
+       list_add_tail(&vgadev->list, &vga_list);
        vga_count++;
        vgaarb_info(&pdev->dev, "VGA device added: decodes=%s,owns=%s,locks=%s\n",
                vga_iostate_to_str(vgadev->decodes),