On Mon, Jun 17, 2024 at 04:23:03PM GMT, Aradhya Bhatia wrote:
> Update the Phy initialized state to "not initialized" when the driver
> (and the hardware by extension) gets suspended. This will allow the Phy
> to get initialized again after resume.
>
> Fixes: e19233955d9e ("drm/bridge: Add Cadence DSI driver")
> Signed-off-by: Aradhya Bhatia <a-bhatia1@xxxxxx>
> ---
> drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
> index b016f2ba06bb..42565e253b2d 100644
> --- a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
> +++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c
> @@ -1153,6 +1153,7 @@ static int __maybe_unused cdns_dsi_suspend(struct device *dev)
> clk_disable_unprepare(dsi->dsi_p_clk);
> reset_control_assert(dsi->dsi_p_rst);
> dsi->link_initialized = false;
Most likely you should also call phy_exit() here. And in _remove() too.
> + dsi->phy_initialized = false;
> return 0;
> }
>
> --
> 2.34.1
>
--
With best wishes
Dmitry
