From: Andrzej Hajda Date: Tue, 14 Mar 2017 08:27:58 +0000 (+0100) Subject: drm/exynos/decon5433: signal frame done interrupt at front porch X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f3cce673e1c11112c536fbc8e6912c5414d7141f;p=linux.git drm/exynos/decon5433: signal frame done interrupt at front porch DECON in case of video mode generates interrupt by default at start of vertical back porch. As this interrupt is used to generate VBLANK events more optimal point is start of vertical front porch. Signed-off-by: Inki Dae --- diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index cfe6f8af849f3..a43d0fa0b051c 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -105,7 +105,7 @@ static int decon_enable_vblank(struct exynos_drm_crtc *crtc) if (ctx->out_type & IFTYPE_I80) val |= VIDINTCON0_FRAMEDONE; else - val |= VIDINTCON0_INTFRMEN; + val |= VIDINTCON0_INTFRMEN | VIDINTCON0_FRAMESEL_FP; writel(val, ctx->addr + DECON_VIDINTCON0); } diff --git a/include/video/exynos5433_decon.h b/include/video/exynos5433_decon.h index 352fc0d9528fe..6b083d327e982 100644 --- a/include/video/exynos5433_decon.h +++ b/include/video/exynos5433_decon.h @@ -127,6 +127,10 @@ /* VIDINTCON0 */ #define VIDINTCON0_FRAMEDONE (1 << 17) +#define VIDINTCON0_FRAMESEL_BP (0 << 15) +#define VIDINTCON0_FRAMESEL_VS (1 << 15) +#define VIDINTCON0_FRAMESEL_AC (2 << 15) +#define VIDINTCON0_FRAMESEL_FP (3 << 15) #define VIDINTCON0_INTFRMEN (1 << 12) #define VIDINTCON0_INTEN (1 << 0)