ping.
On Wed, Jun 11, 2014 at 11:57 PM, Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx> wrote:
> Add helper functions to create bridge chain and to call the
> corresponding next_bridge functions.
>
> Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
> Suggested-by: Rob Clark <robdclark@xxxxxxxxx>
> ---
> include/drm/drm_crtc.h | 72 ++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 72 insertions(+)
>
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index a7fac56..ba6a0d2 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -640,6 +640,7 @@ struct drm_bridge_funcs {
> struct drm_bridge {
> struct drm_device *dev;
> struct list_head head;
> + struct drm_bridge *next_bridge;
>
> struct drm_mode_object base;
>
> @@ -1148,6 +1149,77 @@ drm_property_blob_find(struct drm_device *dev, uint32_t id)
> return mo ? obj_to_blob(mo) : NULL;
> }
>
> +static inline int drm_bridge_add_to_chain(struct drm_bridge *head,
> + struct drm_bridge *last)
> +{
> + struct drm_bridge *temp = head;
> +
> + if (head && last) {
> + while (temp->next_bridge)
> + temp = temp->next_bridge;
> +
> + temp->next_bridge = last;
> + return 0;
> + }
> +
> + return -EINVAL;
> +}
> +
> +static inline void drm_next_bridge_mode_fixup(struct drm_bridge *bridge,
> + const struct drm_display_mode *mode,
> + struct drm_display_mode *adjusted_mode)
> +{
> + if (bridge && bridge->next_bridge && bridge->next_bridge->funcs &&
> + bridge->next_bridge->funcs->mode_fixup)
> + bridge->next_bridge->funcs->mode_fixup(bridge->next_bridge,
> + mode, adjusted_mode);
> +}
> +
> +static inline void drm_next_bridge_disable(struct drm_bridge *bridge)
> +{
> + if (bridge && bridge->next_bridge && bridge->next_bridge->funcs &&
> + bridge->next_bridge->funcs->disable)
> + bridge->next_bridge->funcs->disable(bridge->next_bridge);
> +}
> +
> +static inline void drm_next_bridge_post_disable(struct drm_bridge *bridge)
> +{
> + if (bridge && bridge->next_bridge && bridge->next_bridge->funcs &&
> + bridge->next_bridge->funcs->post_disable)
> + bridge->next_bridge->funcs->post_disable(bridge->next_bridge);
> +}
> +
> +static inline void drm_next_bridge_mode_set(struct drm_bridge *bridge,
> + struct drm_display_mode *mode,
> + struct drm_display_mode *adjusted_mode)
> +{
> + if (bridge && bridge->next_bridge && bridge->next_bridge->funcs &&
> + bridge->next_bridge->funcs->mode_set)
> + bridge->next_bridge->funcs->mode_set(bridge->next_bridge,
> + mode, adjusted_mode);
> +}
> +
> +static inline void drm_next_bridge_pre_enable(struct drm_bridge *bridge)
> +{
> + if (bridge && bridge->next_bridge && bridge->next_bridge->funcs &&
> + bridge->next_bridge->funcs->pre_enable)
> + bridge->next_bridge->funcs->pre_enable(bridge->next_bridge);
> +}
> +
> +static inline void drm_next_bridge_enable(struct drm_bridge *bridge)
> +{
> + if (bridge && bridge->next_bridge && bridge->next_bridge->funcs &&
> + bridge->next_bridge->funcs->enable)
> + bridge->next_bridge->funcs->enable(bridge->next_bridge);
> +}
> +
> +static inline void drm_next_bridge_destroy(struct drm_bridge *bridge)
> +{
> + if (bridge && bridge->next_bridge && bridge->next_bridge->funcs &&
> + bridge->next_bridge->funcs->destroy)
> + bridge->next_bridge->funcs->destroy(bridge->next_bridge);
> +}
> +
> /* Plane list iterator for legacy (overlay only) planes. */
> #define drm_for_each_legacy_plane(plane, planelist) \
> list_for_each_entry(plane, planelist, head) \
> --
> 1.7.9.5
>
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