On 31.03.2017 14:20, Hans Verkuil wrote:
> From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
>
> Implement the CEC notifier support to allow CEC drivers to
> be informed when there is a new physical address.
>
> Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
> Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
--
Regards
Andrzej
> ---
> drivers/gpu/drm/exynos/exynos_hdmi.c | 19 +++++++++++++++++--
> 1 file changed, 17 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
> index 88ccc0469316..bc4c8d0a66f4 100644
> --- a/drivers/gpu/drm/exynos/exynos_hdmi.c
> +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
> @@ -43,6 +43,8 @@
>
> #include <drm/exynos_drm.h>
>
> +#include <media/cec-notifier.h>
> +
> #include "exynos_drm_drv.h"
> #include "exynos_drm_crtc.h"
>
> @@ -119,6 +121,7 @@ struct hdmi_context {
> bool dvi_mode;
> struct delayed_work hotplug_work;
> struct drm_display_mode current_mode;
> + struct cec_notifier *notifier;
> const struct hdmi_driver_data *drv_data;
>
> void __iomem *regs;
> @@ -822,6 +825,7 @@ static enum drm_connector_status hdmi_detect(struct drm_connector *connector,
> if (gpiod_get_value(hdata->hpd_gpio))
> return connector_status_connected;
>
> + cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
> return connector_status_disconnected;
> }
>
> @@ -860,6 +864,7 @@ static int hdmi_get_modes(struct drm_connector *connector)
> edid->width_cm, edid->height_cm);
>
> drm_mode_connector_update_edid_property(connector, edid);
> + cec_notifier_set_phys_addr_from_edid(hdata->notifier, edid);
>
> ret = drm_add_edid_modes(connector, edid);
>
> @@ -1503,6 +1508,7 @@ static void hdmi_disable(struct drm_encoder *encoder)
> if (funcs && funcs->disable)
> (*funcs->disable)(crtc);
>
> + cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
> cancel_delayed_work(&hdata->hotplug_work);
>
> hdmiphy_disable(hdata);
> @@ -1878,15 +1884,22 @@ static int hdmi_probe(struct platform_device *pdev)
> }
> }
>
> + hdata->notifier = cec_notifier_get(&pdev->dev);
> + if (hdata->notifier == NULL) {
> + ret = -ENOMEM;
> + goto err_hdmiphy;
> + }
> +
> pm_runtime_enable(dev);
>
> ret = component_add(&pdev->dev, &hdmi_component_ops);
> if (ret)
> - goto err_disable_pm_runtime;
> + goto err_notifier_put;
>
> return ret;
>
> -err_disable_pm_runtime:
> +err_notifier_put:
> + cec_notifier_put(hdata->notifier);
> pm_runtime_disable(dev);
>
> err_hdmiphy:
> @@ -1905,9 +1918,11 @@ static int hdmi_remove(struct platform_device *pdev)
> struct hdmi_context *hdata = platform_get_drvdata(pdev);
>
> cancel_delayed_work_sync(&hdata->hotplug_work);
> + cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
>
> component_del(&pdev->dev, &hdmi_component_ops);
>
> + cec_notifier_put(hdata->notifier);
> pm_runtime_disable(&pdev->dev);
>
> if (!IS_ERR(hdata->reg_hdmi_en))
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