From: Jani Nikula <jani.nikula@linux.intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Vidya Srinivas <vidya.srinivas@intel.com>
Subject: Re: [PATCH 04/14] drm: Add DSI panel power on/off sequence programming
Date: Mon, 09 Jan 2017 12:24:00 +0200 [thread overview]
Message-ID: <878tqkfs5b.fsf@intel.com> (raw)
In-Reply-To: <1483953349-26282-1-git-send-email-vidya.srinivas@intel.com>
On Mon, 09 Jan 2017, Vidya Srinivas <vidya.srinivas@intel.com> wrote:
> Panel Power On/Off sequences are part of Panel spec.
> Enabling the support of same in DRM layer for fine grained
> panel control.
http://lkml.kernel.org/r/20160302152549.GA21035@ulmo.nvidia.com
>
> Signed-off-by: Uma Shankar <uma.shankar@intel.com>
> ---
> include/drm/drm_panel.h | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
> index 220d1e2b..515595b 100644
> --- a/include/drm/drm_panel.h
> +++ b/include/drm/drm_panel.h
> @@ -69,6 +69,8 @@ struct drm_panel_funcs {
> int (*disable)(struct drm_panel *panel);
> int (*unprepare)(struct drm_panel *panel);
> int (*prepare)(struct drm_panel *panel);
> + int (*power_on)(struct drm_panel *panel);
> + int (*power_off)(struct drm_panel *panel);
> int (*enable)(struct drm_panel *panel);
> int (*get_modes)(struct drm_panel *panel);
> int (*get_timings)(struct drm_panel *panel, unsigned int num_timings,
> @@ -166,6 +168,22 @@ static inline int drm_panel_enable(struct drm_panel *panel)
> return panel ? -ENOSYS : -EINVAL;
> }
>
> +static inline int drm_panel_power_on(struct drm_panel *panel)
> +{
> + if (panel && panel->funcs && panel->funcs->power_on)
> + return panel->funcs->power_on(panel);
> +
> + return panel ? -ENOSYS : -EINVAL;
> +}
> +
> +static inline int drm_panel_power_off(struct drm_panel *panel)
> +{
> + if (panel && panel->funcs && panel->funcs->power_off)
> + return panel->funcs->power_off(panel);
> +
> + return panel ? -ENOSYS : -EINVAL;
> +}
> +
> /**
> * drm_panel_get_modes - probe the available display modes of a panel
> * @panel: DRM panel
--
Jani Nikula, Intel Open Source Technology Center
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next prev parent reply other threads:[~2017-01-09 10:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-09 9:15 [PATCH 04/14] drm: Add DSI panel power on/off sequence programming Vidya Srinivas
2017-01-09 10:24 ` Jani Nikula [this message]
2017-02-08 10:28 ` Srinivas, Vidya
2017-02-08 10:50 ` Jani Nikula
2017-02-08 11:06 ` Srinivas, Vidya
2017-02-08 11:16 ` Jani Nikula
2017-02-09 8:24 ` Srinivas, Vidya
2017-01-09 12:47 ` kbuild test robot
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