Re: [PATCH stable-5.1 1/3] drm/i915: Save the old CDCLK atomic state

[Greg KH <gregkh@linuxfoundation.org>]

On Mon, Jun 10, 2019 at 02:01:41PM +0800, Jian-Hong Pan wrote:
> From: Imre Deak <imre.deak@intel.com>
> 
> commit 48d9f87ddd2108663fd866b254e05d422243cc56 upstream.
> 
> The old state will be needed by an upcoming patch to determine if the
> commit increases or decreases CDCLK, so move the old state to the atomic
> state (while keeping the new one in dev_priv). cdclk.logical and
> cdclk.actual in the atomic state isn't used atm anywhere after the
> atomic check phase, so this should be safe.
> 
> v2:
> - Use swap() instead of opencoding it. (Ville)
> 
> Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Signed-off-by: Imre Deak <imre.deak@intel.com>
> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Link: https://patchwork.freedesktop.org/patch/msgid/20190320135439.12201-2-imre.deak@intel.com
> Cc: <stable@vger.kernel.org> # 5.1.x
> Signed-off-by: Jian-Hong Pan <jian-hong@endlessm.com>
> ---
>  drivers/gpu/drm/i915/intel_cdclk.c   | 20 ++++++++++++++++++++
>  drivers/gpu/drm/i915/intel_display.c |  4 ++--
>  drivers/gpu/drm/i915/intel_drv.h     |  1 +
>  3 files changed, 23 insertions(+), 2 deletions(-)

Does not apply against the latest 5.1.y tree.  Can you rebase this
series and resend please?

thanks,

greg k-h