On Sun, Apr 15, 2012 at 1:06 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: >> 3. use pci_bus_allocate_resource in drm/radeon driver ... ===> but >> that could fail. >> so could hack it like a. disable bar 0x10 and steal BAR address, >> then set 0x30 to that address then copy ROM to ram. >> after that, disable rom again and set back address to 0x10. >> You try to update radeon_get_bios() to achieve that. patches for solution 3: map_rom.patch will try to borrow mem or mem pref bar for ROM copying and You still need to use pci=norom Yinghai
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