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Commit 192aac1f authored by Keith Packard's avatar Keith Packard
Browse files

drm/i915: Shut down PCH interrupts during irq_uninstall 



This masks out all interrupts and ack's any pending ones at IRQ
uninstall time to make sure we don't receive any unexpected interrupts
later on.

Signed-off-by: default avatarKeith Packard <keithp@keithp.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 7fe0b973

drivers/gpu/drm/i915/i915_irq.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -2044,6 +2044,10 @@ static void ironlake_irq_uninstall(struct drm_device *dev) 
	I915_WRITE(GTIMR, 0xffffffff);

	I915_WRITE(GTIMR, 0xffffffff);

	I915_WRITE(GTIER, 0x0);

	I915_WRITE(GTIER, 0x0);

	I915_WRITE(GTIIR, I915_READ(GTIIR));

	I915_WRITE(GTIIR, I915_READ(GTIIR));



	I915_WRITE(SDEIMR, 0xffffffff);

	I915_WRITE(SDEIER, 0x0);

	I915_WRITE(SDEIIR, I915_READ(SDEIIR));

}

}





static void i915_driver_irq_uninstall(struct drm_device * dev)

static void i915_driver_irq_uninstall(struct drm_device * dev)