diff mbox series

[V8,9/9] drm/i915/dsi: Clear the DSI IIR

Message ID 20200312053841.2794-10-vandita.kulkarni@intel.com (mailing list archive)
State New, archived
Headers show
Series Add support for mipi dsi cmd mode | expand

Commit Message

Kulkarni, Vandita March 12, 2020, 5:38 a.m. UTC 
Clear the DSI IIR as part of interrupt configuration.

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

Patch

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;
 }