From 1514d50b7a1b2c2bf72545625eb6bedef793c40a Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Fri, 20 Jan 2017 07:52:24 +0100 Subject: [PATCH] drm/exynos/decon5433: signal vblank only on odd fields 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 Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 7 +++++++ include/video/exynos5433_decon.h | 1 + 2 files changed, 8 insertions(+) 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) -- 2.20.1