On Tue, Feb 2, 2016 at 12:20 AM, Simon Glass <[email protected]> wrote: > Hi Bin, > > On 1 February 2016 at 02:40, Bin Meng <[email protected]> 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 <[email protected]> >> --- >> >> arch/x86/cpu/queensbay/tnc.c | 36 ++++++++++++++++++++++++++++++++++++ >> 1 file changed, 36 insertions(+) > > Reviewed-by: Simon Glass <[email protected]> > Tested on Minnowmax: > Tested-by: Simon Glass <[email protected]> >
applied to u-boot-x86/master, thanks! _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
