Tag: c112709809b2ca1e8ff2841a1958503e548b81e4

drivers/video/fbdev/i740fb: Use arch_phys_wc_add() and pci_ioremap_wc_bar()

Author: Luis R. Rodriguez <mcgrof@suse.com> Convert the driver from using the x86-specific MTRR code to the architecture-agnostic arch_phys_wc_add(). It will avoid MTRR if write-combining is available, in order to take advantage of that also ensure the ioremapped area is requested as write-combining. There are a few motivations for this: a) Take advantage of PAT when …

Continue reading