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authorAlvin Lee <alvin.lee2@amd.com>2020-07-14 15:06:40 -0400
committerAlex Deucher <alexander.deucher@amd.com>2020-08-06 16:38:16 -0400
commitbc0cd80783ff7c2201b44d384bab4629c9cb7db9 (patch)
tree2851e6d58286333cb72df4ecdd7f67f7c72c9795 /tools/perf/scripts/python/stackcollapse.py
parentc6851841fc877d9e4361eeaa1e3851778fa440c4 (diff)
drm/amd/display: Don't compare dppclk before updating DTO
[Why] In dcn3_update_clocks there are situations where dppclk is not lowered (i.e. stays the same), but DTO still needs to be increased before we program pipe frontend (i.e. in prepare_bandwidth). If we don't program the new DTO value before we program the pipe, we will underflow as soon as the pipe lock is released until the next call to dcn3_update_clocks where the DTO is updated. [How] Remove dppclk check before programming new DTO value. Signed-off-by: Alvin Lee <alvin.lee2@amd.com> Reviewed-by: Jun Lei <Jun.Lei@amd.com> Acked-by: Eryk Brol <eryk.brol@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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