IIRC, this was a dpm bug fix, such that prior to the patch, the mclk would never drop below 500Mhz or something like that and after the fix, it goes down to the lowest frequency. The dpm heuristics are not a perfect match for some games.
Alex ________________________________ From: amd-gfx <[email protected]> on behalf of Samuel Pitoiset <[email protected]> Sent: Tuesday, August 28, 2018 8:12:12 AM To: Quan, Evan Cc: Zhu, Rex; [email protected] Subject: [Vega10] [bisected] Performance regression with Dawn Of War III and RADV Hi there, I found a performance regression that affects my Vega10 with Dawn Of War III and RADV (ie. 74FPS -> 71FPS). I bisected to: commit ea7f492b6ac6eced0d09ccb2b0a2909a0025e22e Author: Evan Quan <[email protected]> Date: Mon Jul 16 17:23:19 2018 +0800 drm/amd/powerplay: correct the argument for PPSMC_MSG_SetUclkFastSwitch The argument was set wrongly. Fast/slow switch was asked when there is actually a slow/fast switch needed. Change-Id: Ibcfdf741dea1700cc3796f84291606231e732f4b Signed-off-by: Evan Quan <[email protected]> Reviewed-by: Rex Zhu<[email protected]> Any ideas? Thanks, Samuel. _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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