diff options
| 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 | |
| parent | drm/i915: SNB BLT workaround (diff) | |
| download | linux-dev-48fcfc888b48ad49dd83faa107264bbfb0089cad.tar.xz linux-dev-48fcfc888b48ad49dd83faa107264bbfb0089cad.zip | |
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')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 1 |
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 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); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 9af9f86a8765..21551fe74541 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -296,6 +296,7 @@ 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, |