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drm/exynos/decon5433: signal vblank only on odd fields

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In case of interlace mode irq is generated for odd and even fields, but
vblank should be signaled only for the last emitted field.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Andrzej Hajda 2017-01-20 07:52:24 +01:00 committed by Inki Dae
parent 5aa6c9ace5
commit 1514d50b7a
2 changed files with 8 additions and 0 deletions
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7
drivers/gpu/drm/exynos/exynos5433_drm_decon.c
View File

@ -591,6 +591,13 @@ static irqreturn_t decon_irq_handler(int irq, void *dev_id)
if (val) {
writel(val, ctx->addr + DECON_VIDINTCON1);
if (ctx->out_type & IFTYPE_HDMI) {
val = readl(ctx->addr + DECON_VIDOUTCON0);
val &= VIDOUT_INTERLACE_EN_F | VIDOUT_INTERLACE_FIELD_F;
if (val ==
(VIDOUT_INTERLACE_EN_F | VIDOUT_INTERLACE_FIELD_F))
return IRQ_HANDLED;
}
drm_crtc_handle_vblank(&ctx->crtc->base);
}

1
include/video/exynos5433_decon.h
View File

@ -89,6 +89,7 @@
#define VIDCON0_ENVID_F (1 << 0)
/* VIDOUTCON0 */
#define VIDOUT_INTERLACE_FIELD_F (1 << 29)
#define VIDOUT_INTERLACE_EN_F (1 << 28)
#define VIDOUT_LCD_ON (1 << 24)
#define VIDOUT_IF_F_MASK (0x3 << 20)