Hi Bin, On 1 February 2016 at 02:40, Bin Meng <bmeng...@gmail.com> wrote: > With recent DM PCI changes to vesa_fb driver, external graphics > card does not work any more. This is because: after setting the > function disable bit, IGD and SDVO devices will disappear in the > PCI configuration space. This however creates an inconsistent state > from a driver model PCI controller point of view, as these two PCI > devices are still attached to its parent's child device list as > maintained by the driver model. Some driver model PCI APIs like > dm_pci_find_class() used in the vesa_fb driver, are referring to > the list to speed up the finding process instead of re-enumerating > the whole PCI bus, so it gets the stale cached data which is wrong. > > To fix this, manually remove these two devices. > > Signed-off-by: Bin Meng <bmeng...@gmail.com> > --- > > arch/x86/cpu/queensbay/tnc.c | 36 ++++++++++++++++++++++++++++++++++++ > 1 file changed, 36 insertions(+)
Reviewed-by: Simon Glass <s...@chromium.org> Tested on Minnowmax: Tested-by: Simon Glass <s...@chromium.org> I hope that this can be sorted out when x86 moves to driver model for video. We should be able to probe the video quite late. I'm not quite sure how it might work though. Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
