On Thu, Sep 14, 2017 at 2:01 PM, Marek Szyprowski
<m.szyprow...@samsung.com> wrote:
> Commit 48a92916729b ("drm/exynos: use drm_for_each_connector_iter()")
> replaced unsafe drm_for_each_connector() with drm_for_each_connector_iter()
> and removed surrounding drm_modeset_lock calls. However, that lock was
> there not only to protect unsafe drm_for_each_connector(), but it was also
> required to be held by the dpms code which was called from the loop body.
> This patch restores those drm_modeset_lock calls to fix broken suspend
> and resume of Exynos DRM subsystem in v4.13 kernel.
>
> Fixes: 48a92916729b ("drm/exynos: use drm_for_each_connector_iter()")
> CC: sta...@vger.kernel.org # v4.13
> Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
> ---
> drivers/gpu/drm/exynos/exynos_drm_drv.c | 4 ++++
> 1 file changed, 4 insertions(+)
Acked-by: Krzysztof Kozlowski <k...@kernel.org>
Best regards,
Krzysztof
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