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authorLucas Stach <l.stach@pengutronix.de>2017-04-11 15:54:50 +0200
committerLucas Stach <l.stach@pengutronix.de>2017-05-05 17:14:51 +0200
commitd79fd1ccf2cd76adba2121a62bae996bc4beccfe (patch)
tree68b2662b7e7d5e451746585877c162f4f3c10e97 /fs/block_dev.c
parent7cef6004ecf8ca9aef383318515e759338475a46 (diff)
drm/etnaviv: implement cooling support for new GPU cores
GPU cores with the DYNAMIC_FREQUENCY_SCALING feature bit set expect the platform to provide the clock scaling and ignore any requests to use the internal FSCALE divider. Writes to this register still work, but don't have any effect on the GPU clock frequency. Save the initial core and shader clock frequency and ask the platform to provide a slower clock when cooling is requested. Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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