[PATCH] drm/stm: ltdc: disable hw interrupts before its handler init

[Yannick Fertré]

Interrupt register must be disabled before call of
devm_request_threaded_irq function to avoid dummy interruption.

Signed-off-by: Yannick Fertré <yannick.fertre at st.com>
---
 drivers/gpu/drm/stm/ltdc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index b1741a9..ef5b4d6 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -1118,6 +1118,10 @@ int ltdc_load(struct drm_device *ddev)
 		goto err;
 	}
 
+	/* Disable interrupts */
+	reg_clear(ldev->regs, LTDC_IER,
+		  IER_LIE | IER_RRIE | IER_FUIE | IER_TERRIE);
+
 	for (i = 0; i < MAX_IRQ; i++) {
 		irq = platform_get_irq(pdev, i);
 		if (irq < 0)
@@ -1138,10 +1142,6 @@ int ltdc_load(struct drm_device *ddev)
 		reset_control_deassert(rstc);
 	}
 
-	/* Disable interrupts */
-	reg_clear(ldev->regs, LTDC_IER,
-		  IER_LIE | IER_RRIE | IER_FUIE | IER_TERRIE);
-
 	ret = ltdc_get_caps(ddev);
 	if (ret) {
 		DRM_ERROR("hardware identifier (0x%08x) not supported!\n",
-- 
2.7.4