[Mesa-dev] [Bug 84570] Borderlands 2/Pre-Sequel: Constant frame rate drops while playing; really bad with additionl lighting

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Oct 17 14:53:40 PDT 2014


--- Comment #24 from Kai <kai at dev.carbon-project.org> ---
I've made some screenshots with the Pre-Sequel as well:
<https://imgur.com/a/DnoC1>. As you can see, big FPS drops coincide usually
with buffer wait time and/or draw call spikes. Some of these spikes can be
correlated to "stuff happening on the screen", but in other cases drops can
come out of nowhere, so to speak.

With VBlank on, FPS capping at 60 FPS, all video settings to max, a 2560×1440
resolution, CPUfreq governor set to performance (really helps reducing the
frequency of the FPS drops/buffer wait time spikes) and the stack detailed
below, I get 40 to 60 FPS most of the time. The images show the "error" case.

My current stack is (Debian testing as a base):
GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1)
Mesa: Git:master/2883aff3be
libdrm: Git:master/00847fa48b
LLVM: SVN:trunk/r219920 (3.6 devel)
X.Org: 2:1.16.1-1
Linux: Git:~agd5f/linux:drm-next-3.18:369283bfbd + attachment 107451 and
attachment 107544 (identifies itself as 3.17.0-rc5)
Firmware: <http://people.freedesktop.org/~agd5f/radeon_ucode/>
> 9e05820da42549ce9c89d147cf1f8e19  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_ce.bin
> c8bab593090fc54f239c8d7596c8d846  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_mc.bin
> 3618dbb955d8a84970e262bb2e6d2a16  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_me.bin
> c000b0fc9ff6582145f66504b0ec9597  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_mec.bin
> 0643ad24b3beff2214cce533e094c1b7  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_pfp.bin
> ba6054b7d78184a74602fd81607e1386  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_rlc.bin
> 11288f635737331b69de9ee82fe04898  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_sdma.bin
> 284429675a5560e0fad42aa982965fc2  /lib/firmware/updates/3.17.0-citadel/radeon/hawaii_smc.bin
libclc: Git:master/7f6f5bff1f
DDX: 1:7.5.0-1

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