Add core imx-drm support for hotplug connector support. We need to
setup the poll helper after we've setup the connectors; the helper
scans the connectors to determine their capabilities.
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
---
drivers/staging/imx-drm/imx-drm-core.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c
index 7939cea8311a..dcba51853e8a 100644
--- a/drivers/staging/imx-drm/imx-drm-core.c
+++ b/drivers/staging/imx-drm/imx-drm-core.c
@@ -69,7 +69,11 @@ static int imx_drm_driver_unload(struct drm_device *drm)
{
#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER)
struct imx_drm_device *imxdrm = drm->dev_private;
+#endif
+
+ drm_kms_helper_poll_fini(drm);
+#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER)
if (imxdrm->fbhelper)
drm_fbdev_cma_fini(imxdrm->fbhelper);
#endif
@@ -77,7 +81,6 @@ static int imx_drm_driver_unload(struct drm_device *drm)
component_unbind_all(drm->dev, drm);
drm_vblank_cleanup(drm);
- drm_kms_helper_poll_fini(drm);
drm_mode_config_cleanup(drm);
return 0;
@@ -213,8 +216,18 @@ void imx_drm_encoder_destroy(struct drm_encoder *encoder)
}
EXPORT_SYMBOL_GPL(imx_drm_encoder_destroy);
+static void imx_drm_output_poll_changed(struct drm_device *drm)
+{
+#if IS_ENABLED(CONFIG_DRM_IMX_FB_HELPER)
+ struct imx_drm_device *imxdrm = drm->dev_private;
+
+ drm_fbdev_cma_hotplug_event(imxdrm->fbhelper);
+#endif
+}
+
static struct drm_mode_config_funcs imx_drm_mode_config_funcs = {
.fb_create = drm_fb_cma_create,
+ .output_poll_changed = imx_drm_output_poll_changed,
};
/*
@@ -259,8 +272,6 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags)
drm_mode_config_init(drm);
- drm_kms_helper_poll_init(drm);
-
ret = drm_vblank_init(drm, MAX_CRTC);
if (ret)
goto err_kms;
@@ -313,6 +324,9 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags)
goto err_unbind;
}
#endif
+
+ drm_kms_helper_poll_init(drm);
+
return 0;
err_unbind:
@@ -320,7 +334,6 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags)
err_vblank:
drm_vblank_cleanup(drm);
err_kms:
- drm_kms_helper_poll_fini(drm);
drm_mode_config_cleanup(drm);
return ret;
--
1.8.3.1
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