[PATCH 11/18] drm/i915: Add PM regs to pre install

Ben Widawsky
2012-11-06T16:26:42Z

drivers/gpu/drm/i915/i915_irq.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index d882d41..4ac4522 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -1833,6 +1833,11 @@ static void ivybridge_irq_preinstall(struct drm_device *dev)
I915_WRITE(SDEIMR, 0xffffffff);
I915_WRITE(SDEIER, 0x0);
POSTING_READ(SDEIER);
+
+ /* Power management */
+ I915_WRITE(GEN6_PMIMR, 0xffffffff);
+ I915_WRITE(GEN6_PMIER, 0x0);
+ POSTING_READ(GEN6_PMIER);
}

static void valleyview_irq_preinstall(struct drm_device *dev)
--
1.8.0