[Intel-gfx] [PATCH 08/12] drm/i915: HWSTAM is only 16-bit on gen3

[Chris Wilson]

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_irq.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 878f1c3..a4e074e 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2307,7 +2307,7 @@ static void i915_irq_preinstall(struct drm_device * dev)
 		I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
 	}
 
-	I915_WRITE(HWSTAM, 0xeffe);
+	I915_WRITE16(HWSTAM, 0xeffe);
 	for_each_pipe(pipe)
 		I915_WRITE(PIPESTAT(pipe), 0);
 	I915_WRITE(IMR, 0xffffffff);
@@ -2505,7 +2505,7 @@ static void i915_irq_uninstall(struct drm_device * dev)
 		I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
 	}
 
-	I915_WRITE(HWSTAM, 0xffffffff);
+	I915_WRITE16(HWSTAM, 0xffff);
 	for_each_pipe(pipe)
 		I915_WRITE(PIPESTAT(pipe), 0);
 	I915_WRITE(IMR, 0xffffffff);
-- 
1.7.10