From: Simon Glass <sjg@chromium.org>
Date: Thu, 1 Jan 2015 23:18:00 +0000 (-0700)
Subject: x86: pci: Don't return a vesa mode when there is not video
X-Git-Tag: v2015.04-rc1~195^2~29
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=23609c71dc0c4a433b7189308cda25d1b9e70c43;p=oweals%2Fu-boot.git

x86: pci: Don't return a vesa mode when there is not video

If the video has not been set up, we should not return a success code. This
can be detected by seeing if any of the variables are non-zero.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
index af6a3ae00c..9808bb385e 100644
--- a/drivers/pci/pci_rom.c
+++ b/drivers/pci/pci_rom.c
@@ -205,7 +205,7 @@ int vbe_get_video_info(struct graphic_device *gdev)
 	gdev->vprBase = vesa->phys_base_ptr;
 	gdev->cprBase = vesa->phys_base_ptr;
 
-	return 0;
+	return gdev->winSizeX ? 0 : -ENOSYS;
 #else
 	return -ENOSYS;
 #endif