diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_ipp.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_ipp.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index 1adce07ecb5b..29d2ad314490 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__); |