On Sun, Apr 15, 2012 at 1:06 PM, Yinghai Lu <yinghai at kernel.org> 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 -------------- next part -------------- A non-text attachment was scrubbed... Name: rom_option.patch Type: application/octet-stream Size: 1672 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20120415/78abbf24/attachment-0003.obj> -------------- next part -------------- A non-text attachment was scrubbed... Name: rom_option_1.patch Type: application/octet-stream Size: 2253 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20120415/78abbf24/attachment-0004.obj> -------------- next part -------------- A non-text attachment was scrubbed... Name: map_rom.patch Type: application/octet-stream Size: 4306 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20120415/78abbf24/attachment-0005.obj>