On 25 June 2018 at 19:28, Sinan Kaya <okaya@xxxxxxxxxxxxxx> wrote: > On 6/25/2018 11:52 AM, okaya@xxxxxxxxxxxxxx wrote: >>> Note that this is not the only MMIO translation related change made by >>> Heyi Guo to the generic PCI host bridge and bus drivers, but given >>> that those did not support MMIO translation at all, I take it your >>> affected platforms will already have their own changes to accommodate >>> this. >> >> Platform has been doing mmio translation for quite a while. Because all accesses go through pci io protocol, the rest of the UEFI never needed to be aware of bar address or do direct access. >> >> This is the first time I hear of direct access. Maybe, GOP is a special case. >> >> I started copying your response to the bios vendor. >> >> They are probably missing that patch. I will pass it along. > > I was informed that they fixed the issue in BIOS by presenting CPU physical > address instead of PCI bus address in FrameBufferBase of the AST GOP UEFI driver. > > We can drop this patch now. > Excellent! Thanks for following up with the vendor ... -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
