From: "Lowry Li (Arm Technology China)" Lowry.Li@arm.com

Initialize and enable output polling on Komeda.

Changes since v1: 1. Enable the polling before registering the driver; 2. Disable the polling after unregistering the driver.

Signed-off-by: Lowry Li (Arm Technology China) lowry.li@arm.com --- drivers/gpu/drm/arm/display/komeda/komeda_kms.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 419a8b0..25716a30 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -15,6 +15,7 @@ #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_irq.h> #include <drm/drm_vblank.h> +#include <drm/drm_probe_helper.h>

#include "komeda_dev.h" #include "komeda_framebuffer.h" @@ -315,6 +316,8 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev)

drm->irq_enabled = true;

+ drm_kms_helper_poll_init(drm); + err = drm_dev_register(drm, 0); if (err) goto cleanup_mode_config; @@ -338,6 +341,7 @@ void komeda_kms_detach(struct komeda_kms_dev *kms) drm->irq_enabled = false; mdev->funcs->disable_irq(mdev); drm_dev_unregister(drm); + drm_kms_helper_poll_fini(drm); component_unbind_all(mdev->dev, drm); komeda_kms_cleanup_private_objs(kms); drm_mode_config_cleanup(drm);