From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonyoung Shim Subject: [PATCH 5/5] drm/exynos: add PM functions for hdmi and mixer Date: Mon, 23 Apr 2012 19:35:51 +0900 Message-ID: <1335177351-11358-6-git-send-email-jy0922.shim@samsung.com> References: <1335177351-11358-1-git-send-email-jy0922.shim@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mailout3.samsung.com (mailout3.samsung.com [203.254.224.33]) by gabe.freedesktop.org (Postfix) with ESMTP id 114B09F0F7 for ; Mon, 23 Apr 2012 03:35:49 -0700 (PDT) Received: from epcpsbgm1.samsung.com (mailout3.samsung.com [203.254.224.33]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0M2X00JAUHFMGDN0@mailout3.samsung.com> for dri-devel@lists.freedesktop.org; Mon, 23 Apr 2012 19:35:47 +0900 (KST) Received: from localhost.localdomain ([165.213.219.123]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0M2X00MJQHFM3L90@mmp1.samsung.com> for dri-devel@lists.freedesktop.org; Mon, 23 Apr 2012 19:35:47 +0900 (KST) In-reply-to: <1335177351-11358-1-git-send-email-jy0922.shim@samsung.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org Cc: inki.dae@samsung.com, kyungmin.park@samsung.com List-Id: dri-devel@lists.freedesktop.org This patch supports the PM for hdmi and mixer. Turn off hdmi and mixer when suspended, and when resume, will turn on them by hdmi hotplug detection if hdmi is attached. Signed-off-by: Joonyoung Shim Signed-off-by: Kyungmin Park --- drivers/gpu/drm/exynos/exynos_hdmi.c | 32 ++++++++++++++++++++++++++++++++ drivers/gpu/drm/exynos/exynos_mixer.c | 15 +++++++++++++++ 2 files changed, 47 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 9212d7d..ad53c48 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -2367,11 +2367,43 @@ static int __devexit hdmi_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int hdmi_suspend(struct device *dev) +{ + struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); + struct hdmi_context *hdata = ctx->ctx; + + disable_irq(hdata->internal_irq); + disable_irq(hdata->external_irq); + + hdata->hpd = false; + if (ctx->drm_dev) + drm_helper_hpd_irq_event(ctx->drm_dev); + + hdmi_poweroff(hdata); + + return 0; +} + +static int hdmi_resume(struct device *dev) +{ + struct exynos_drm_hdmi_context *ctx = get_hdmi_context(dev); + struct hdmi_context *hdata = ctx->ctx; + + enable_irq(hdata->external_irq); + enable_irq(hdata->internal_irq); + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(hdmi_pm_ops, hdmi_suspend, hdmi_resume); + struct platform_driver hdmi_driver = { .probe = hdmi_probe, .remove = __devexit_p(hdmi_remove), .driver = { .name = "exynos4-hdmi", .owner = THIS_MODULE, + .pm = &hdmi_pm_ops, }, }; diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index a29a9a8..2f6727a 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -1104,10 +1104,25 @@ static int mixer_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int mixer_suspend(struct device *dev) +{ + struct exynos_drm_hdmi_context *drm_hdmi_ctx = get_mixer_context(dev); + struct mixer_context *ctx = drm_hdmi_ctx->ctx; + + mixer_poweroff(ctx); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(mixer_pm_ops, mixer_suspend, NULL); + struct platform_driver mixer_driver = { .driver = { .name = "s5p-mixer", .owner = THIS_MODULE, + .pm = &mixer_pm_ops, }, .probe = mixer_probe, .remove = __devexit_p(mixer_remove), -- 1.7.5.4