if raw edid data isn't same as fake data then it can't be tested.

Signed-off-by: Inki Dae <inki.dae at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_vidi.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c 
b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 88dae6b..dbbf2fc 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -533,6 +533,12 @@ static int vidi_store_connection(struct device *dev,
        if (!ctx->raw_edid)
                ctx->raw_edid = (struct edid *)fake_edid_info;

+       /* if raw_edid isn't same as fake data then it can't be tested. */
+       if (ctx->raw_edid != (struct edid *)fake_edid_info) {
+               DRM_DEBUG_KMS("edid data is not fake data.\n");
+               return -EINVAL;
+       }
+
        DRM_DEBUG_KMS("requested connection.\n");

        drm_helper_hpd_irq_event(ctx->subdrv.drm_dev);
-- 
1.7.4.1

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