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drm/exynos: fimd: add triggering unset routine in fimd_trigger()

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There is a case like set config which requires triggering
but vblank is not enabled yet.
So triggering unset routine is required to exit from
triggering mode.

Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
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 22:00:13 +09:00 committed by Inki Dae
parent 1c905d9508
commit 87ab85b3cc
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/exynos/exynos_drm_fimd.c
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@ -984,6 +984,13 @@ static void fimd_trigger(struct device *dev)
reg = readl(timing_base + TRIGCON);
reg |= (TRGMODE_I80_RGB_ENABLE_I80 | SWTRGCMD_I80_RGB_ENABLE);
writel(reg, timing_base + TRIGCON);
/*
* Exits triggering mode if vblank is not enabled yet, because when the
* VIDINTCON0 register is not set, it can not exit from triggering mode.
*/
if (!test_bit(0, &ctx->irq_flags))
atomic_set(&ctx->triggering, 0);
}
static void fimd_te_handler(struct exynos_drm_manager *mgr)