[Bug 93928] Tonga valley regression since drm/amdgpu: split VM mappings into smaller operations (v2)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93928

            Bug ID: 93928
           Summary: Tonga valley regression since drm/amdgpu: split VM
                    mappings into smaller operations (v2)
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: adf.lists at gmail.com

R8285 agd5f drm-next-4.6-wip

Since below Unigine Valley renders mostly a screen full of colored blocks.

Doesn't affect desktop, Unreal Elemental or xonotic.

In case settings are relevant I run valley ultra quality fullscreen 1920x1080
8xAA

commit 8292e95e64134e8c81ccec25fb702f3c838c2a1e
Author: Christian König <christian.koenig at amd.com>
Date:   Mon Jan 25 14:27:31 2016 +0100

    drm/amdgpu: split VM mappings into smaller operations (v2)

    If we can't copy entries from the GTT or fill them with one command split
    up the mapping operation into multiple ones.

    v2: agd: rebase on upstream

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