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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - On HD6850, Power Profile doesn't change if 2 screen is attached."
href="https://bugs.freedesktop.org/show_bug.cgi?id=49981#c30">Comment # 30</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - On HD6850, Power Profile doesn't change if 2 screen is attached."
href="https://bugs.freedesktop.org/show_bug.cgi?id=49981">bug 49981</a>
from <span class="vcard"><a class="email" href="mailto:chav.reddy@gmail.com" title="Chav <chav.reddy@gmail.com>"> <span class="fn">Chav</span></a>
</span></b>
<pre>Macbook Pro 8,2 Late 2011 with Radeon 6750m like Ludovic Watteaux.
In order to get the power profile working with the kernel 3.8rc4 I had to
revert the following commits:
"drm/radeon/pm: fix multi-head profile handling on BTC+ (v2)"
27810fb2d2edacf2961dbedfe9e9f8d2e5080ea5
"drm/radeon: only adjust default clocks on NI GPUs"
2e3b3b105ab3bb5b6a37198da4f193cd13781d13.
And apply the following:
--------------------- drivers/gpu/drm/radeon/radeon_pm.c ----------------------
index dfc59c3..c045985 100644
@@ -98,7 +98,7 @@ static void radeon_pm_update_profile(struct radeon_device
*rdev)
break;
case PM_PROFILE_LOW:
if (rdev->pm.active_crtc_count > 1)
- rdev->pm.profile_index = PM_PROFILE_LOW_MH_IDX;
+ rdev->pm.profile_index = PM_PROFILE_LOW_SH_IDX;
else
rdev->pm.profile_index = PM_PROFILE_LOW_SH_IDX;
break;</pre>
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