[Intel-gfx] [V8 9/9] drm/i915/dsi: Clear the DSI IIR

[Vandita Kulkarni]

Clear the DSI IIR as part of interrupt configuration.

Signed-off-by: Vandita Kulkarni <vandita.kulkarni at intel.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2e1418515c9f..89c8cabe24e0 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2708,6 +2708,11 @@ static bool gen11_dsi_configure_te(struct intel_crtc *intel_crtc,
 		tmp |= DSI_TE_EVENT;
 
 	I915_WRITE(DSI_INTR_MASK_REG(port), tmp);
+
+	/* FIXME: right place to clear this */
+	tmp = I915_READ(DSI_INTR_IDENT_REG(port));
+	I915_WRITE(DSI_INTR_IDENT_REG(port), tmp);
+
 	return true;
 }
 
-- 
2.21.0.5.gaeb582a