[PATCH] drm: mxsfb: Implement drm_panel handling

Breno Matheus Lima breno.lima at nxp.com
Wed Feb 1 19:05:59 UTC 2017


Tested-by: Breno Lima <breno.lima at nxp.com>


________________________________
From: Thierry Reding <thierry.reding at gmail.com>
Sent: Wednesday, February 1, 2017 3:22 PM
To: Fabio Estevam
Cc: airlied at linux.ie; marex at denx.de; dri-devel at lists.freedesktop.org; Breno Matheus Lima
Subject: Re: [PATCH] drm: mxsfb: Implement drm_panel handling

On Wed, Feb 01, 2017 at 03:19:47PM -0200, Fabio Estevam wrote:
> Currently when the 'power-supply' regulator is passed via device tree
> it does not actually work since drm_panel_prepare()/drm_panel_enable()
> are never called.
>
> Quoting Thierry Reding: "It should really call drm_panel_prepare() and
> drm_panel_enable() while switching on the display pipeline and
> drm_panel_disable(), followed by drm_panel_unprepare() while switching
> off the display pipeline."
>
> So do as suggested, so that the 'power-supply' regulator can be functional.
>
> Reported-by: Breno Lima <breno.lima at nxp.com>
> Suggested-by: Thierry Reding <thierry.reding at gmail.com>
> Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>
> ---
>  drivers/gpu/drm/mxsfb/mxsfb_drv.c | 4 ++++
>  1 file changed, 4 insertions(+)

Reviewed-by: Thierry Reding <treding at nvidia.com>
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