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>
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index e8e4b9c..3c3e33a 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2339,7 +2339,7 @@
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 @@
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);