Re: [PATCH v3 4/7] drm/bridge: ti-sn65dsi86: Move panel_prepare() to pre_enable()

[spanda@codeaurora.org]

On 2018-08-14 03:00, Sean Paul wrote:
> From: Sean Paul <seanpaul@chromium.org>
> 
> prepare() is the old-timey way to say pre_enable(). It should be called
> before modeset. This fixes an issue where the panel on cheza must have
> the regulator always-on/boot-on for it to work.
> 
> Changes in v3:
> - Added to the set
> 
> Cc: Sandeep Panda <spanda@codeaurora.org>
> Signed-off-by: Sean Paul <seanpaul@chromium.org>
> ---
>  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 501f4a81ea5ab..d2119ab546147 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -457,8 +457,6 @@ static void ti_sn_bridge_enable(struct drm_bridge 
> *bridge)
>  	struct ti_sn_bridge *pdata = bridge_to_ti_sn_bridge(bridge);
>  	unsigned int val;
> 
> -	drm_panel_prepare(pdata->panel);
> -
>  	/* DSI_A lane config */
>  	val = CHA_DSI_LANES(4 - pdata->dsi->lanes);
>  	regmap_update_bits(pdata->regmap, SN_DSI_LANES_REG,
> @@ -511,6 +509,8 @@ static void ti_sn_bridge_pre_enable(struct
> drm_bridge *bridge)
>  	/* in case drm_panel is connected then HPD is not supported */
>  	regmap_update_bits(pdata->regmap, SN_HPD_DISABLE_REG, HPD_DISABLE,
>  			   HPD_DISABLE);
> +
> +	drm_panel_prepare(pdata->panel);
>  }
> 
>  static void ti_sn_bridge_post_disable(struct drm_bridge *bridge)
Reviewed-by: Sandeep Panda <spanda@codeaurora.org>
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