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authorKyle McMartin <kyle@redhat.com>2010-11-03 16:27:57 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-12-09 13:32:58 -0800
commit3d2679d6893a59b655c6c2033167062de9203b71 (patch)
treeaca05c2a80b9264bed9c28747b247099304f073c
parent639d7dbb7b5064ac7224c725f8685091b495eeda (diff)
i915: reprogram power monitoring registers on resume
commit 48fcfc888b48ad49dd83faa107264bbfb0089cad upstream. 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> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/gpu/drm/i915/i915_suspend.c4
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h1
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 31f08581e93a..2df5b9aadd5b 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);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 8828b3ac6414..2b161375a38d 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -250,6 +250,7 @@ extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
extern void intel_init_clock_gating(struct drm_device *dev);
extern void ironlake_enable_drps(struct drm_device *dev);
extern void ironlake_disable_drps(struct drm_device *dev);
+extern void intel_init_emon(struct drm_device *dev);
extern int intel_pin_and_fence_fb_obj(struct drm_device *dev,
struct drm_gem_object *obj);