Interrupt register must be disabled before call of
devm_request_threaded_irq function to avoid dummy interruption.
Signed-off-by: Yannick Fertré <yannick.fer...@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
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