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author | Kyle McMartin <kyle@redhat.com> | 2010-11-03 16:27:57 -0400 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-11-03 21:44:47 +0000 |
commit | 48fcfc888b48ad49dd83faa107264bbfb0089cad (patch) | |
tree | 7742a70634d76cbccf3e7a020b8a7e5cfe5a8eaa /drivers/gpu/drm/i915/i915_suspend.c | |
parent | 5588978882b5f4b81169bd7f9bc941e3a12ee8ba (diff) | |
download | op-kernel-dev-48fcfc888b48ad49dd83faa107264bbfb0089cad.zip op-kernel-dev-48fcfc888b48ad49dd83faa107264bbfb0089cad.tar.gz |
i915: reprogram power monitoring registers on resume
Fixes issue where i915_gfx_val was reporting values several
orders of magnitude higher than physically possible (without
leaving scorch marks on my thighs at least.)
Signed-off-by: Kyle McMartin <kyle@redhat.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@kernel.org
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 989c19d..454c064 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -862,8 +862,10 @@ int i915_restore_state(struct drm_device *dev) /* Clock gating state */ intel_init_clock_gating(dev); - if (HAS_PCH_SPLIT(dev)) + if (HAS_PCH_SPLIT(dev)) { ironlake_enable_drps(dev); + intel_init_emon(dev); + } /* Cache mode state */ I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000); |