git: drm/linux: Fix io_mapping() functions

Francois Tigeot ftigeot at
Sun Dec 15 14:36:02 PST 2019

commit a79eea4c286c13a0712f592fd6310f19ed1c7dd0
Author: François Tigeot <ftigeot at>
Date:   Sun Dec 15 23:13:04 2019 +0100

    drm/linux: Fix io_mapping() functions
    These functions were mostly stubs and did not properly set memory
    cache attributes causing some operations like framebuffer access
    to be excessively slow.
    Use ioremap() variants internally to fix that.
    Spotted-by: peeter, dillon

Summary of changes:
 sys/dev/drm/include/linux/io-mapping.h | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

DragonFly BSD source repository

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