drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl()

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                        "drivers/gpu/drm/exynos/exynos_drm_drv.h",
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{
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/gpu/drm/exynos/exynos_drm_drv.h",
                        "drivers/gpu/drm/exynos/exynos_drm_vidi.c"
                    ],
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                }