Tag: c823a48ac47f8e0274fa7c8a3befae4bfa8412e3

drivers/video/fbdev/arkfb.c: Use arch_phys_wc_add() and pci_iomap_wc()

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 MTRRs 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 …

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