The exynos_dsi_te_irq_handler() works only dsi(DPMS) is on.
So it is enough to enable and disable TE GPIO IRQ in
exynos_dsi_enable(disable)_irq() like DSI IRQ.
Signed-off-by: YoungJun Cho <yj44....@samsung.com>
Acked-by: Inki Dae <inki....@samsung.com>a
Acked-by: Kyungmin Park <kyungmin.p...@samsung.com>
---
drivers/gpu/drm/exynos/exynos_drm_dsi.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 6fe6486..717c719 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1155,6 +1155,7 @@ static int exynos_dsi_init(struct exynos_dsi *dsi)
static int exynos_dsi_register_te_irq(struct exynos_dsi *dsi)
{
int ret;
+ int te_gpio_irq;
dsi->te_gpio = of_get_named_gpio(dsi->panel_node, "te-gpios", 0);
if (!gpio_is_valid(dsi->te_gpio)) {
@@ -1169,14 +1170,10 @@ static int exynos_dsi_register_te_irq(struct exynos_dsi
*dsi)
goto out;
}
- /*
- * This TE GPIO IRQ should not be set to IRQ_NOAUTOEN, because panel
- * calls drm_panel_init() first then calls mipi_dsi_attach() in probe().
- * It means that te_gpio is invalid when exynos_dsi_enable_irq() is
- * called by drm_panel_init() before panel is attached.
- */
- ret = request_threaded_irq(gpio_to_irq(dsi->te_gpio),
- exynos_dsi_te_irq_handler, NULL,
+ te_gpio_irq = gpio_to_irq(dsi->te_gpio);
+
+ irq_set_status_flags(te_gpio_irq, IRQ_NOAUTOEN);
+ ret = request_threaded_irq(te_gpio_irq, exynos_dsi_te_irq_handler, NULL,
IRQF_TRIGGER_RISING, "TE", dsi);
if (ret) {
dev_err(dsi->dev, "request interrupt failed with %d\n", ret);
--
1.9.0
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