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drm/komeda: Initialize and enable output polling on Komeda 

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.

Changes since v2:
1. If driver register failed, disable the polling.

Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1564733249-24329-1-git-send-email-lowry.li@arm.com
alistair/sunxi64-5.4-dsi
Lowry Li (Arm Technology China) 2019-08-02 08:07:52 +00:00 committed by james qian wang (Arm Technology China)
parent f7ccbed656
commit 1109635b29
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/arm/display/komeda/komeda_kms.c
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@ -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;
@ -322,6 +325,7 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev)
return kms;
cleanup_mode_config:
drm_kms_helper_poll_fini(drm);
drm->irq_enabled = false;
drm_mode_config_cleanup(drm);
komeda_kms_cleanup_private_objs(kms);
@ -338,6 +342,7 @@ 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);