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drm/exynos: check if raw edid data is fake or not for test 

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

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Inki Dae 2012-06-27 16:16:26 +09:00
parent d07d39df30
commit d7b8478aa9
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/exynos/exynos_drm_vidi.c
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@ -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);