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imx-drm: imx-drm-core: add core hotplug connector support 

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.

Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2013-11-03 22:18:40 +00:00
parent e7d6231e67
commit 3e68439bf0
1 changed files with 17 additions and 4 deletions
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21
drivers/staging/imx-drm/imx-drm-core.c
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@ -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 @@ err_unbind:
err_vblank:
drm_vblank_cleanup(drm);
err_kms:
drm_kms_helper_poll_fini(drm);
drm_mode_config_cleanup(drm);
return ret;