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drm/exynos: dsi: set TE GPIO IRQ status as IRQ_NOAUTOEN

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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.cho@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>a
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
YoungJun Cho 2014-11-17 22:00:16 +09:00 committed by Inki Dae
parent ecb84157b5
commit 0cef83a5fd
1 changed files with 5 additions and 8 deletions
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13
drivers/gpu/drm/exynos/exynos_drm_dsi.c
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@ -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);