diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_drv.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 721a358531b0..10e24ca928f2 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -324,6 +324,32 @@ static int omap_modeset_init(struct drm_device *dev) } /* + * Enable the HPD in external components if supported + */ +static void omap_modeset_enable_external_hpd(void) +{ + struct omap_dss_device *dssdev = NULL; + + for_each_dss_dev(dssdev) { + if (dssdev->driver->enable_hpd) + dssdev->driver->enable_hpd(dssdev); + } +} + +/* + * Disable the HPD in external components if supported + */ +static void omap_modeset_disable_external_hpd(void) +{ + struct omap_dss_device *dssdev = NULL; + + for_each_dss_dev(dssdev) { + if (dssdev->driver->disable_hpd) + dssdev->driver->disable_hpd(dssdev); + } +} + +/* * drm ioctl funcs */ @@ -602,6 +628,7 @@ static int pdev_probe(struct platform_device *pdev) priv->fbdev = omap_fbdev_init(ddev); drm_kms_helper_poll_init(ddev); + omap_modeset_enable_external_hpd(); /* * Register the DRM device with the core and the connectors with @@ -614,6 +641,7 @@ static int pdev_probe(struct platform_device *pdev) return 0; err_cleanup_helpers: + omap_modeset_disable_external_hpd(); drm_kms_helper_poll_fini(ddev); if (priv->fbdev) omap_fbdev_free(ddev); @@ -642,6 +670,7 @@ static int pdev_remove(struct platform_device *pdev) drm_dev_unregister(ddev); + omap_modeset_disable_external_hpd(); drm_kms_helper_poll_fini(ddev); if (priv->fbdev) |