drm/gud: Add async_flush module parameter

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Provide a way for userspace to choose synchronous flushing/pageflips.
This helps save CPU and power.

It is also useful for test scripts since userspace can know when a flush
has happended and wait before doing the next visual test.

Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Peter Stuge <peter@stuge.se>
Link: https://patchwork.freedesktop.org/patch/msgid/20210703141321.35494-2-noralf@tronnes.org

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Noralf Trønnes 2021-07-03 16:13:21 +02:00

parent b3f4ef6693

commit a0356899eb

1 changed files with 15 additions and 0 deletions

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drivers/gpu/drm/gud/gud_pipe.c

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