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drm/i915: HWSTAM is only 16-bit on gen3
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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>
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Chris Wilson authored and Daniel Vetter committed May 3, 2012
1 parent 8291ee9 commit 00d98eb
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions drivers/gpu/drm/i915/i915_irq.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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);
Expand Down Expand Up @@ -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);
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