[PATCH RESEND 4/6] drm/exynos/mixer: always update INT_EN cache

[Andrzej Hajda]

INT_EN cache field was updated only by mixer_enable_vblank.
The patch adds update also by mixer_disable_vblank function.

Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_mixer.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c 
b/drivers/gpu/drm/exynos/exynos_mixer.c
index b338a10..53bcb70 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -916,6 +916,11 @@ static void mixer_disable_vblank(struct exynos_drm_crtc 
*crtc)
        struct mixer_context *mixer_ctx = crtc->ctx;
        struct mixer_resources *res = &mixer_ctx->mixer_res;

+       if (!mixer_ctx->powered) {
+               mixer_ctx->int_en &= MXR_INT_EN_VSYNC;
+               return;
+       }
+
        /* disable vsync interrupt */
        mixer_reg_writemask(res, MXR_INT_STATUS, ~0, MXR_INT_CLEAR_VSYNC);
        mixer_reg_writemask(res, MXR_INT_EN, 0, MXR_INT_EN_VSYNC);
-- 
1.9.1