Tag: 81bdef04d3bc76fc516ca613fa96061ff27bced9

drivers/video/fbdev/vt8623fb: Use arch_phys_wc_add() and pci_iomap_wc()

Author: Luis R. Rodriguez <mcgrof@suse.com> This driver uses the same area for MTRR as for the ioremap(). 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 …

Continue reading