Commit de595762 authored Dec 16, 2014 by Gerd Hoffmann

bochs: ignore device if there isn't enougth memory



The qemu stdvga can be configured with a wide range of video memory,
from 1 MB to 256 MB (default is 16 MB).  In case it is configured
with only 1 or 2 MB it isn't really usable with bochsdrm, due to
depths other than 32bpp not being supported so that isn't enough
memory for a reasonable sized framebuffer.  So skip the device
and let vgacon or vesafb+fbcon handle the it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

parent 3be79886

drivers/gpu/drm/bochs/bochs_drv.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -162,8 +162,15 @@ static int bochs_kick_out_firmware_fb(struct pci_dev *pdev)
		static int bochs_pci_probe(struct pci_dev *pdev,
		const struct pci_device_id *ent)
		{
		unsigned long fbsize;
		int ret;

		fbsize = pci_resource_len(pdev, 0);
		if (fbsize < 4 * 1024 * 1024) {
		DRM_ERROR("less than 4 MB video memory, ignoring device\n");
		return -ENOMEM;
		}

		ret = bochs_kick_out_firmware_fb(pdev);
		if (ret)
		return ret;