If at first you don't succeed, try, try again.
The kernel API is lame and requires a new interface for something that is designed to be supported through the old interface...
66f3db6 sna: Use addfb2.1 for extended scanout support
src/sna/kgem.c | 26 ++++++++++++++++
src/sna/sna_display.c | 81 +++++++++++++++++++++++++++++++++++++++++++------
2 files changed, 98 insertions(+), 9 deletions(-)
Upstream: cgit.freedesktop.org