I am re-opening this bug as the original bug reporter has an upstream
bug report (https://bugs.freedesktop.org/show_bug.cgi?id=52952), and it
looks like the following commit fixes the issue:
commit acf88deb8ddbb73acd1c3fa32fde51af9153227f
Author: Alex Deucher <alexander.deuc...@amd.com>
Date: Mon Aug 26 17:52:12 2013 -0400
drm/radeon: fix resume on some rs4xx boards (v2)
Setting MC_MISC_CNTL.GART_INDEX_REG_EN causes hangs on
some boards on resume. The systems seem to work fine
without touching this bit so leave it as is.
v2: read-modify-write the GART_INDEX_REG_EN bit.
I suspect the problem is that we are losing the other
settings in the register.
fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=52952
Reported-by: Ondrej Zary <li...@rainbow-software.org>
Tested-by: Daniel Tobias <dan.g....@gmail.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Cc: sta...@vger.kernel.org
I will prepare a test kernel so that it can be verified that the bug is
actually fixed by this commit.
** Changed in: linux (Ubuntu)
Status: Expired => Triaged
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Luis Henriques (henrix)
** Bug watch added: freedesktop.org Bugzilla #52952
https://bugs.freedesktop.org/show_bug.cgi?id=52952
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https://bugs.launchpad.net/bugs/1030792
Title:
[Ubuntu 10.04.4 LTS 32-bit LiveCD] ATI Technologies Radeon Xpress 200
for Intel (RC410) ACPI S3 State Resume Failure
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