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drm/i915: HWSTAM is only 16-bit on gen3 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2012-04-24 22:59:48 +01:00 committed by Daniel Vetter
parent 8291ee90cd
commit 00d98ebd94
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/i915_irq.c
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@ -2339,7 +2339,7 @@ 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);
@ -2537,7 +2537,7 @@ 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);