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Framebuffers shouldn't be cached and it is usually very uncommon to read them. Therefore, use ioremap_wc() to get significant speed improvements on systems which provide it. On all other systems it's aliased to ioremap_nocache() which is also fine. Reported-by: Tom Gundersen <teg@jklm.no> Signed-off-by: David Herrmann <dh.herrmann@gmail.com> Tested-by: Tom Gundersen <teg@jklm.no> Tested-by: Alexandre Courbot <acourbot@nvidia.com> Tested-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
280 lines
6.9 KiB
280 lines
6.9 KiB