[Bug 68964] [ivb] Screen corruption in Chromium

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68964

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[Regression] Screen         |[ivb] Screen corruption in
                   |corruption in Chromium      |Chromium

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
This looks like bug 66990, which came and went without a good resolution. Your
bisect fits in with the theory that the GPU is missing a flush with the upload
buffers (by reverting that commit you prevent it from reusing any upload
buffer).

You have added some important info, I had presumed it was along the render copy
paths, but this suggests that it is the blt copy.

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