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-rw-r--r--drivers/gpu/drm/exynos/exynos5433_drm_decon.c7
-rw-r--r--include/video/exynos5433_decon.h1
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index b828480e81c5..0fd6f7a18364 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -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);
}
diff --git a/include/video/exynos5433_decon.h b/include/video/exynos5433_decon.h
index b26511a0ddf8..ef8e2a8ad0af 100644
--- a/include/video/exynos5433_decon.h
+++ b/include/video/exynos5433_decon.h
@@ -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)
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