[PATCH 6/7] drm/exynos/decon5433: reset decon on start

[Andrzej Hajda]

Resetting IP at starting ensures that DECON will be in known state
regardless of changes by bootloader.

Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
---
 drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c 
b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 7fec656..120efd8 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -400,6 +400,8 @@ static void decon_enable(struct exynos_drm_crtc *crtc)

        set_bit(BIT_CLKS_ENABLED, &ctx->flags);

+       decon_swreset(ctx);
+
        /* if vblank was enabled status, enable it again. */
        if (test_and_clear_bit(BIT_IRQS_ENABLED, &ctx->flags))
                decon_enable_vblank(ctx->crtc);
-- 
1.9.1