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authorKyle McMartin <kyle@redhat.com>2010-11-03 23:27:57 +0300
committerChris Wilson <chris@chris-wilson.co.uk>2010-11-04 00:44:47 +0300
commit48fcfc888b48ad49dd83faa107264bbfb0089cad (patch)
tree7742a70634d76cbccf3e7a020b8a7e5cfe5a8eaa /drivers/gpu/drm/i915/i915_suspend.c
parent5588978882b5f4b81169bd7f9bc941e3a12ee8ba (diff)
downloadlinux-48fcfc888b48ad49dd83faa107264bbfb0089cad.tar.xz
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.c4
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 989c19d2d959..454c064f8ef7 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);