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| /linux/drivers/gpu/drm/amd/display/dc/resource/dcn20/ |
| H A D | dcn20_resource.c | 42351c66aedcd142de33c0ae17bbde09eaff1b3d Mon Apr 01 19:21:24 UTC 2019 Joshua Aberback <joshua.aberback@amd.com> drm/amd/display: Add profiling tools for bandwidth validation
[Why]
We used this change to investigate the performance of bandwidth validation,
it will be useful to have if we need to investigate further.
[How]
We use performance counter tick numbers to profile performance, they live
at dc->debug.bw_val_profile (set .enable in debugger to turn on measuring).
Signed-off-by: Joshua Aberback <joshua.aberback@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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