https://bugs.freedesktop.org/show_bug.cgi?id=49981
--- Comment #30 from Chav <chav.reddy at gmail.com> ---
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;
--
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