diff options
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_drv.h | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_ipp.c | 27 |
3 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 488278ccb2a..ba6d995e437 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -380,6 +380,10 @@ static int __init exynos_drm_init(void) ret = platform_driver_register(&ipp_driver); if (ret < 0) goto out_ipp; + + ret = exynos_platform_device_ipp_register(); + if (ret < 0) + goto out_ipp_dev; #endif ret = platform_driver_register(&exynos_drm_platform_driver); @@ -400,6 +404,8 @@ out: out_drm: #ifdef CONFIG_DRM_EXYNOS_IPP + exynos_platform_device_ipp_unregister(); +out_ipp_dev: platform_driver_unregister(&ipp_driver); out_ipp: #endif @@ -456,6 +462,7 @@ static void __exit exynos_drm_exit(void) platform_driver_unregister(&exynos_drm_platform_driver); #ifdef CONFIG_DRM_EXYNOS_IPP + exynos_platform_device_ipp_unregister(); platform_driver_unregister(&ipp_driver); #endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index 635d4c51679..680a7c1b9de 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -329,6 +329,16 @@ int exynos_platform_device_hdmi_register(void); */ void exynos_platform_device_hdmi_unregister(void); +/* + * this function registers exynos drm ipp platform device. + */ +int exynos_platform_device_ipp_register(void); + +/* + * this function unregisters exynos drm ipp platform device if it exists. + */ +void exynos_platform_device_ipp_unregister(void); + extern struct platform_driver fimd_driver; extern struct platform_driver hdmi_driver; extern struct platform_driver mixer_driver; diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index 1adce07ecb5..29d2ad31449 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -47,6 +47,9 @@ #define get_ipp_context(dev) platform_get_drvdata(to_platform_device(dev)) #define ipp_is_m2m_cmd(c) (c == IPP_CMD_M2M) +/* platform device pointer for ipp device. */ +static struct platform_device *exynos_drm_ipp_pdev; + /* * A structure of event. * @@ -102,6 +105,30 @@ static LIST_HEAD(exynos_drm_ippdrv_list); static DEFINE_MUTEX(exynos_drm_ippdrv_lock); static BLOCKING_NOTIFIER_HEAD(exynos_drm_ippnb_list); +int exynos_platform_device_ipp_register(void) +{ + struct platform_device *pdev; + + if (exynos_drm_ipp_pdev) + return -EEXIST; + + pdev = platform_device_register_simple("exynos-drm-ipp", -1, NULL, 0); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + exynos_drm_ipp_pdev = pdev; + + return 0; +} + +void exynos_platform_device_ipp_unregister(void) +{ + if (exynos_drm_ipp_pdev) { + platform_device_unregister(exynos_drm_ipp_pdev); + exynos_drm_ipp_pdev = NULL; + } +} + int exynos_drm_ippdrv_register(struct exynos_drm_ippdrv *ippdrv) { DRM_DEBUG_KMS("%s\n", __func__); |