[Bug 94928] [xf86-video-intel] Graphical corruption (regression between gc186d4d and gff0ab2c)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94928

--- Comment #5 from John Lindgren <john.lindgren at aol.com> ---
I suspect that d08221edabc5 did fix the "lost offset" problem introduced by
bb5194eebd72, at least in the non-SSE2 copy functions, but there is still a
problem in the SSE2 variants.

I am testing a patched version, which forces the use of

  memcpy_to_tiled_x__swizzle_0
  memcpy_from_tiled_x__swizzle_0

instead of

  memcpy_to_tiled_x__swizzle_0__sse2
  memcpy_from_tiled_x__swizzle_0__sse2

and I have not seen any artifacts so far.

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