diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 5d5bb8ce0fb4..b7e096008a9f 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2522,6 +2522,11 @@ static void ivybridge_irq_preinstall(struct drm_device *dev) I915_WRITE(GTIER, 0x0); POSTING_READ(GTIER); + /* Power management */ + I915_WRITE(GEN6_PMIMR, 0xffffffff); + I915_WRITE(GEN6_PMIER, 0x0); + POSTING_READ(GEN6_PMIER); + if (HAS_PCH_NOP(dev)) return; @@ -2710,6 +2715,11 @@ static int ivybridge_irq_postinstall(struct drm_device *dev) I915_WRITE(GTIER, render_irqs); POSTING_READ(GTIER); + /* Power management */ + I915_WRITE(GEN6_PMIMR, ~GEN6_PM_DEFERRED_EVENTS); + I915_WRITE(GEN6_PMIER, GEN6_PM_DEFERRED_EVENTS); + POSTING_READ(GEN6_PMIMR); + ibx_irq_postinstall(dev); return 0; |