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Commit 00d98ebd authored by Chris Wilson's avatar Chris Wilson Committed by Daniel Vetter
Browse files

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



Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 8291ee90

drivers/gpu/drm/i915/i915_irq.c

+2 −2
Original line number Diff line number Diff line
@@ -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);