[Bug 86038] [radeonsi] Dreamfall Chapters: heavy visual corruption

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86038

            Bug ID: 86038
           Summary: [radeonsi] Dreamfall Chapters: heavy visual corruption
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: kai at dev.carbon-project.org

Created attachment 109134
  --> https://bugs.freedesktop.org/attachment.cgi?id=109134&action=edit
Heavy visual corruption with radeonsi in Dreamfall Chapters

Let me preface this report with the note, that some visual corruption was
expected with Dreamfall Chapters on Linux, since there are some broken shaders
and the developers are working on fixing those.

With the radeonsi driver (see below for the full graphics stack in use) the
visual corrutpion is on the unplayable level, since large parts of the screen
are black in certain scenes (it seems to be, when one particular light shader
is in use, which also bothers the proprietary driver, but not to this extent).
See the attached screenshot for an example how this looks. This is not an
Hyper-Z issue, I tried R600_DEBUG=nohyperz to no avail.

For reference I'll also post a screenshot of the same scene with the
proprietary driver (which was a PITA to get running, I hate that thing so
much), where you can see the difference.

Please let me know, what else you might need to debug this.


My current stack is (Debian testing as a base):
GPU: Hawaii PRO [Radeon R9 290] (ChipID = 0x67b1)
Mesa: Git:master/1a170980a0
libdrm: Git:master/00847fa48b
LLVM: SVN:trunk/r220648 (3.6 devel)
X.Org: 2:1.16.1-1
Linux:
Git:git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git:v3.18-rc1
+ attachment 107451 and attachment 107544
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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