diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2016-12-13 16:07:17 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-10 19:08:11 +0300 |
| commit | 278c811c5d058c47a0c2f57f57608555f6945f51 (patch) | |
| tree | f7da7bbe70855feaa1a94cca7c0665f0b2df5621 /drivers/gpu/drm/exynos/exynos_hdmi.c | |
| parent | ed3022de6d2f8ae68589e1825b04c04e0011a030 (diff) | |
| download | linux-278c811c5d058c47a0c2f57f57608555f6945f51.tar.xz | |
[media] exynos_hdmi: add CEC notifier support
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@cisco.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_hdmi.c | 19 |
1 files 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)) |