On Wed, Aug 27, 2014 at 10:29 AM, Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx> wrote:
> Assign the pointer to bridge ops structure(drm_bridge_funcs) in
> the bridge driver itself, instead of passing it to drm_bridge_init.
>
> This will allow bridge driver developer to pack bridge private
> information inside the bridge object and pass only the drm-relevant
> information to drm_bridge_init.
>
> Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
This matches how drm_panel works, which it looks like this set is
trying to emulate.
Acked-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/ptn3460.c | 3 ++-
> drivers/gpu/drm/drm_crtc.c | 5 +----
> drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 3 ++-
> drivers/gpu/drm/sti/sti_hda.c | 3 ++-
> drivers/gpu/drm/sti/sti_hdmi.c | 3 ++-
> include/drm/drm_crtc.h | 3 +--
> 6 files changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/ptn3460.c b/drivers/gpu/drm/bridge/ptn3460.c
> index 4db38e1..a2ddc8d 100644
> --- a/drivers/gpu/drm/bridge/ptn3460.c
> +++ b/drivers/gpu/drm/bridge/ptn3460.c
> @@ -313,7 +313,8 @@ int ptn3460_init(struct drm_device *dev, struct drm_encoder *encoder,
> goto err;
> }
>
> - ret = drm_bridge_init(dev, &ptn_bridge->bridge, &ptn3460_bridge_funcs);
> + ptn_bridge->bridge.funcs = &ptn3460_bridge_funcs;
> + ret = drm_bridge_init(dev, &ptn_bridge->bridge);
> if (ret) {
> DRM_ERROR("Failed to initialize bridge with drm\n");
> goto err;
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index fa2be24..25f5cfa 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -1022,7 +1022,6 @@ EXPORT_SYMBOL(drm_connector_unplug_all);
> * drm_bridge_init - initialize a drm transcoder/bridge
> * @dev: drm device
> * @bridge: transcoder/bridge to set up
> - * @funcs: bridge function table
> *
> * Initialises a preallocated bridge. Bridges should be
> * subclassed as part of driver connector objects.
> @@ -1030,8 +1029,7 @@ EXPORT_SYMBOL(drm_connector_unplug_all);
> * Returns:
> * Zero on success, error code on failure.
> */
> -int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge,
> - const struct drm_bridge_funcs *funcs)
> +int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge)
> {
> int ret;
>
> @@ -1042,7 +1040,6 @@ int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge,
> goto out;
>
> bridge->dev = dev;
> - bridge->funcs = funcs;
>
> list_add_tail(&bridge->head, &dev->mode_config.bridge_list);
> dev->mode_config.num_bridge++;
> diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
> index f6cf745..0309539 100644
> --- a/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
> +++ b/drivers/gpu/drm/msm/hdmi/hdmi_bridge.c
> @@ -221,8 +221,9 @@ struct drm_bridge *hdmi_bridge_init(struct hdmi *hdmi)
> hdmi_bridge->hdmi = hdmi_reference(hdmi);
>
> bridge = &hdmi_bridge->base;
> + bridge->funcs = &hdmi_bridge_funcs;
>
> - drm_bridge_init(hdmi->dev, bridge, &hdmi_bridge_funcs);
> + drm_bridge_init(hdmi->dev, bridge);
>
> return bridge;
>
> diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c
> index 72d957f..b3344c7 100644
> --- a/drivers/gpu/drm/sti/sti_hda.c
> +++ b/drivers/gpu/drm/sti/sti_hda.c
> @@ -664,7 +664,8 @@ static int sti_hda_bind(struct device *dev, struct device *master, void *data)
> return -ENOMEM;
>
> bridge->driver_private = hda;
> - drm_bridge_init(drm_dev, bridge, &sti_hda_bridge_funcs);
> + bridge->funcs = &sti_hda_bridge_funcs;
> + drm_bridge_init(drm_dev, bridge);
>
> encoder->bridge = bridge;
> connector->encoder = encoder;
> diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
> index 284e541..3ad319f 100644
> --- a/drivers/gpu/drm/sti/sti_hdmi.c
> +++ b/drivers/gpu/drm/sti/sti_hdmi.c
> @@ -629,7 +629,8 @@ static int sti_hdmi_bind(struct device *dev, struct device *master, void *data)
> return -ENOMEM;
>
> bridge->driver_private = hdmi;
> - drm_bridge_init(drm_dev, bridge, &sti_hdmi_bridge_funcs);
> + bridge->funcs = &sti_hdmi_bridge_funcs;
> + drm_bridge_init(drm_dev, bridge);
>
> encoder->bridge = bridge;
> connector->encoder = encoder;
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index f1105d0..f48a436 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -906,8 +906,7 @@ extern void drm_connector_cleanup(struct drm_connector *connector);
> /* helper to unplug all connectors from sysfs for device */
> extern void drm_connector_unplug_all(struct drm_device *dev);
>
> -extern int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge,
> - const struct drm_bridge_funcs *funcs);
> +extern int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge);
> extern void drm_bridge_cleanup(struct drm_bridge *bridge);
>
> extern int drm_encoder_init(struct drm_device *dev,
> --
> 1.7.9.5
>
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