diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2014-02-25 15:13:38 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-06-05 08:52:38 +0200 |
| commit | 12fabbcb9f0935c283230217c7de6b26d3d5caac (patch) | |
| tree | 3c93a8b2550ab04707f7a544cb1f2f263155cbad /drivers/gpu/drm/i915/intel_pm.c | |
| parent | 4dfbd12c33a7f76cdf38b9edcc21b06223b33268 (diff) | |
drm/i915: Set AGPBUSY# bit in init_clock_gating
I don't see why we wouldn't want interrupts to wake up the CPU from C3
always, so just set the AGPBUSY# bit in gen3_init_clock_gating().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index b86edac51be2..71de9eec3381 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -5504,6 +5504,9 @@ static void gen3_init_clock_gating(struct drm_device *dev) /* IIR "flip pending" means done if this bit is set */ I915_WRITE(ECOSKPD, _MASKED_BIT_DISABLE(ECO_FLIP_DONE)); + + /* interrupts should cause a wake up from C3 */ + I915_WRITE(INSTPM, _MASKED_BIT_DISABLE(INSTPM_AGPBUSY_DIS)); } static void i85x_init_clock_gating(struct drm_device *dev) |