[Bug 68235] Display freezes after login with kernel 3.11.0-rc5 on Cayman with dpm=1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68235

--- Comment #36 from Alexandre Demers <alexandre.f.demers at gmail.com> ---
A test of my own:
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index f7b625c..c1875d2 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -3952,10 +3952,14 @@ static void ni_parse_pplib_clock_info(struct
radeon_device *rdev,
        pl->mclk = le16_to_cpu(clock_info->evergreen.usMemoryClockLow);
        pl->mclk |= clock_info->evergreen.ucMemoryClockHigh << 16;

+       pl->mclk = 100000;
+
        pl->vddc = le16_to_cpu(clock_info->evergreen.usVDDC);
        pl->vddci = le16_to_cpu(clock_info->evergreen.usVDDCI);
        pl->flags = le32_to_cpu(clock_info->evergreen.ulFlags);

+       pl->vddci = 1150;
+
        /* patch up vddc if necessary */
        if (pl->vddc == 0xff01) {
                if (radeon_atom_get_max_vddc(rdev, 0, 0, &vddc) == 0)

This works. I haven't pushed higher yet.

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