Hi Sam,
Thank you for the patch.
On Sun, Aug 04, 2019 at 10:16:32PM +0200, Sam Ravnborg wrote:
> Move inline functions from include/drm/drm_panel.h to drm_panel.c.
> This is in preparation for follow-up patches that will add extra
> logic to the functions.
> As they are no longer static inline, EXPORT them.
>
> Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>
> Cc: Sean Paul <sean@xxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> ---
> drivers/gpu/drm/drm_panel.c | 96 +++++++++++++++++++++++++++++++++++
> include/drm/drm_panel.h | 99 +++----------------------------------
> 2 files changed, 104 insertions(+), 91 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
> index dbd5b873e8f2..9946b8d9bacc 100644
> --- a/drivers/gpu/drm/drm_panel.c
> +++ b/drivers/gpu/drm/drm_panel.c
> @@ -54,6 +54,102 @@ void drm_panel_init(struct drm_panel *panel)
> }
> EXPORT_SYMBOL(drm_panel_init);
>
> +/**
> + * drm_panel_prepare - power on a panel
> + * @panel: DRM panel
> + *
> + * Calling this function will enable power and deassert any reset signals to
> + * the panel. After this has completed it is possible to communicate with any
> + * integrated circuitry via a command bus.
> + *
> + * Return: 0 on success or a negative error code on failure.
> + */
> +int drm_panel_prepare(struct drm_panel *panel)
> +{
> + if (panel && panel->funcs && panel->funcs->prepare)
> + return panel->funcs->prepare(panel);
> +
> + return panel ? -ENOSYS : -EINVAL;
> +}
> +EXPORT_SYMBOL(drm_panel_prepare);
> +
> +/**
> + * drm_panel_enable - enable a panel
> + * @panel: DRM panel
> + *
> + * Calling this function will cause the panel display drivers to be turned on
> + * and the backlight to be enabled. Content will be visible on screen after
> + * this call completes.
> + *
> + * Return: 0 on success or a negative error code on failure.
> + */
> +int drm_panel_enable(struct drm_panel *panel)
> +{
> + if (panel && panel->funcs && panel->funcs->enable)
> + return panel->funcs->enable(panel);
> +
> + return panel ? -ENOSYS : -EINVAL;
> +}
> +EXPORT_SYMBOL(drm_panel_enable);
> +
> +/**
> + * drm_panel_disable - disable a panel
> + * @panel: DRM panel
> + *
> + * This will typically turn off the panel's backlight or disable the display
> + * drivers. For smart panels it should still be possible to communicate with
> + * the integrated circuitry via any command bus after this call.
> + *
> + * Return: 0 on success or a negative error code on failure.
> + */
> +int drm_panel_disable(struct drm_panel *panel)
> +{
> + if (panel && panel->funcs && panel->funcs->disable)
> + return panel->funcs->disable(panel);
> +
> + return panel ? -ENOSYS : -EINVAL;
> +}
> +EXPORT_SYMBOL(drm_panel_disable);
> +
> +/**
> + * drm_panel_unprepare - power off a panel
> + * @panel: DRM panel
> + *
> + * Calling this function will completely power off a panel (assert the panel's
> + * reset, turn off power supplies, ...). After this function has completed, it
> + * is usually no longer possible to communicate with the panel until another
> + * call to drm_panel_prepare().
> + *
> + * Return: 0 on success or a negative error code on failure.
> + */
> +int drm_panel_unprepare(struct drm_panel *panel)
> +{
> + if (panel && panel->funcs && panel->funcs->unprepare)
> + return panel->funcs->unprepare(panel);
> +
> + return panel ? -ENOSYS : -EINVAL;
> +}
> +EXPORT_SYMBOL(drm_panel_unprepare);
> +
> +/**
> + * drm_panel_get_modes - probe the available display modes of a panel
> + * @panel: DRM panel
> + *
> + * The modes probed from the panel are automatically added to the connector
> + * that the panel is attached to.
> + *
> + * Return: The number of modes available from the panel on success or a
> + * negative error code on failure.
> + */
> +int drm_panel_get_modes(struct drm_panel *panel)
> +{
> + if (panel && panel->funcs && panel->funcs->get_modes)
> + return panel->funcs->get_modes(panel);
> +
> + return panel ? -ENOSYS : -EINVAL;
> +}
> +EXPORT_SYMBOL(drm_panel_get_modes);
> +
> /**
> * drm_panel_add - add a panel to the global registry
> * @panel: panel to add
> diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
> index 26377836141c..053d611656b9 100644
> --- a/include/drm/drm_panel.h
> +++ b/include/drm/drm_panel.h
> @@ -97,97 +97,6 @@ struct drm_panel {
> struct list_head list;
> };
>
> -/**
> - * drm_disable_unprepare - power off a panel
> - * @panel: DRM panel
> - *
> - * Calling this function will completely power off a panel (assert the panel's
> - * reset, turn off power supplies, ...). After this function has completed, it
> - * is usually no longer possible to communicate with the panel until another
> - * call to drm_panel_prepare().
> - *
> - * Return: 0 on success or a negative error code on failure.
> - */
> -static inline int drm_panel_unprepare(struct drm_panel *panel)
> -{
> - if (panel && panel->funcs && panel->funcs->unprepare)
> - return panel->funcs->unprepare(panel);
> -
> - return panel ? -ENOSYS : -EINVAL;
> -}
> -
> -/**
> - * drm_panel_disable - disable a panel
> - * @panel: DRM panel
> - *
> - * This will typically turn off the panel's backlight or disable the display
> - * drivers. For smart panels it should still be possible to communicate with
> - * the integrated circuitry via any command bus after this call.
> - *
> - * Return: 0 on success or a negative error code on failure.
> - */
> -static inline int drm_panel_disable(struct drm_panel *panel)
> -{
> - if (panel && panel->funcs && panel->funcs->disable)
> - return panel->funcs->disable(panel);
> -
> - return panel ? -ENOSYS : -EINVAL;
> -}
> -
> -/**
> - * drm_panel_prepare - power on a panel
> - * @panel: DRM panel
> - *
> - * Calling this function will enable power and deassert any reset signals to
> - * the panel. After this has completed it is possible to communicate with any
> - * integrated circuitry via a command bus.
> - *
> - * Return: 0 on success or a negative error code on failure.
> - */
> -static inline int drm_panel_prepare(struct drm_panel *panel)
> -{
> - if (panel && panel->funcs && panel->funcs->prepare)
> - return panel->funcs->prepare(panel);
> -
> - return panel ? -ENOSYS : -EINVAL;
> -}
> -
> -/**
> - * drm_panel_enable - enable a panel
> - * @panel: DRM panel
> - *
> - * Calling this function will cause the panel display drivers to be turned on
> - * and the backlight to be enabled. Content will be visible on screen after
> - * this call completes.
> - *
> - * Return: 0 on success or a negative error code on failure.
> - */
> -static inline int drm_panel_enable(struct drm_panel *panel)
> -{
> - if (panel && panel->funcs && panel->funcs->enable)
> - return panel->funcs->enable(panel);
> -
> - return panel ? -ENOSYS : -EINVAL;
> -}
> -
> -/**
> - * drm_panel_get_modes - probe the available display modes of a panel
> - * @panel: DRM panel
> - *
> - * The modes probed from the panel are automatically added to the connector
> - * that the panel is attached to.
> - *
> - * Return: The number of modes available from the panel on success or a
> - * negative error code on failure.
> - */
> -static inline int drm_panel_get_modes(struct drm_panel *panel)
> -{
> - if (panel && panel->funcs && panel->funcs->get_modes)
> - return panel->funcs->get_modes(panel);
> -
> - return panel ? -ENOSYS : -EINVAL;
> -}
> -
> void drm_panel_init(struct drm_panel *panel);
>
> int drm_panel_add(struct drm_panel *panel);
> @@ -196,6 +105,14 @@ void drm_panel_remove(struct drm_panel *panel);
> int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector);
> int drm_panel_detach(struct drm_panel *panel);
>
> +int drm_panel_prepare(struct drm_panel *panel);
> +int drm_panel_unprepare(struct drm_panel *panel);
> +
> +int drm_panel_enable(struct drm_panel *panel);
> +int drm_panel_disable(struct drm_panel *panel);
Nitpicking, I would keep the order of the declarations aligned with the
definitions. prepare - enable - disable - unprepare and prepare -
unprepare - enable - disable are both fine with me, as long as they're
consistent.
Apart from that,
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> +
> +int drm_panel_get_modes(struct drm_panel *panel);
> +
> #if defined(CONFIG_OF) && defined(CONFIG_DRM_PANEL)
> struct drm_panel *of_drm_find_panel(const struct device_node *np);
> #else
--
Regards,
Laurent Pinchart
