Hi Doug,
Thank you for the patch.
On Fri, Apr 02, 2021 at 03:28:39PM -0700, Douglas Anderson wrote:
> We prepared the panel in pre_enable() so we should unprepare it in
> post_disable() to match.
>
> This becomes important once we start using pre_enable() and
> post_disable() to make sure things are powered on (and then off again)
> when reading the EDID.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
>
> (no changes since v1)
>
> drivers/gpu/drm/bridge/ti-sn65dsi86.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index c006678c9921..e30460002c48 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -452,8 +452,6 @@ static void ti_sn_bridge_disable(struct drm_bridge *bridge)
> regmap_write(pdata->regmap, SN_ML_TX_MODE_REG, 0);
> /* disable DP PLL */
> regmap_write(pdata->regmap, SN_PLL_ENABLE_REG, 0);
> -
> - drm_panel_unprepare(pdata->panel);
> }
>
> static u32 ti_sn_bridge_get_dsi_freq(struct ti_sn_bridge *pdata)
> @@ -869,6 +867,8 @@ static void ti_sn_bridge_post_disable(struct drm_bridge *bridge)
> {
> struct ti_sn_bridge *pdata = bridge_to_ti_sn_bridge(bridge);
>
> + drm_panel_unprepare(pdata->panel);
> +
> clk_disable_unprepare(pdata->refclk);
>
> pm_runtime_put_sync(pdata->dev);
--
Regards,
Laurent Pinchart
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