Tag: 05314098349747f8adbf6c93b43f3b2d013222be

video: fbdev: gbefb: use arch_phys_wc_add() and devm_ioremap_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(). arch_phys_wc_add() will avoid MTRR if write-combining is available, in order to take advantage of that also ensure the ioremap’d area is requested as write-combining. There are a few motivations for this: a) Take advantage of …

Continue reading