drm/exynos/fimd: signal frame done interrupt at front porch

VBLANK interrupt should be signalled as soon as scanout ends, front porch
is the best moment.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index a3162a4..3f04d72 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -243,7 +243,7 @@ static int fimd_enable_vblank(struct exynos_drm_crtc *crtc)
                        val |= VIDINTCON0_INT_FRAME;
 
                        val &= ~VIDINTCON0_FRAMESEL0_MASK;
-                       val |= VIDINTCON0_FRAMESEL0_VSYNC;
+                       val |= VIDINTCON0_FRAMESEL0_FRONTPORCH;
                        val &= ~VIDINTCON0_FRAMESEL1_MASK;
                        val |= VIDINTCON0_FRAMESEL1_NONE;
                }