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From 4a9a11deb2e83549d2e77cac129f879a0000ef7e Mon Sep 17 00:00:00 2001
From: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
Date: Thu, 18 May 2017 17:33:54 +0900
Subject: [PATCH 06/15] Add rcar-du hibernation code
Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
---
drivers/gpu/drm/rcar-du/rcar_du_drv.c | 68 ++++++++++++++++++++++++++++++++++-
1 file changed, 67 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 53f1f6a..fbb212c 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -442,6 +442,15 @@ static int rcar_du_pm_suspend(struct device *dev)
drm_kms_helper_poll_disable(rcdu->ddev);
+#ifdef CONFIG_MACH_FTEN
+ list_for_each_entry(encoder,
+ &rcdu->ddev->mode_config.encoder_list, head) {
+ if ((encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) &&
+ (get_rcar_slave_funcs(encoder)->dpms))
+ get_rcar_slave_funcs(encoder)->dpms(encoder,
+ DRM_MODE_DPMS_SUSPEND);
+ }
+#else
#if defined(CONFIG_DRM_ADV7511) || defined(CONFIG_DRM_ADV7511_MODULE)
list_for_each_entry(encoder,
&rcdu->ddev->mode_config.encoder_list, head) {
@@ -451,6 +460,8 @@ static int rcar_du_pm_suspend(struct device *dev)
DRM_MODE_DPMS_OFF);
}
#endif
+#endif
+
#ifdef CONFIG_DRM_RCAR_LVDS
for (i = 0; i < rcdu->info->num_lvds; ++i) {
if (rcdu->lvds[i])
@@ -483,6 +494,15 @@ static int rcar_du_pm_resume(struct device *dev)
}
#endif
+#ifdef CONFIG_MACH_FTEN
+ list_for_each_entry(encoder,
+ &rcdu->ddev->mode_config.encoder_list, head) {
+ if ((encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) &&
+ (get_rcar_slave_funcs(encoder)->dpms))
+ get_rcar_slave_funcs(encoder)->dpms(encoder,
+ DRM_MODE_DPMS_ON);
+ }
+#else
#if defined(CONFIG_DRM_ADV7511) || defined(CONFIG_DRM_ADV7511_MODULE)
list_for_each_entry(encoder,
&rcdu->ddev->mode_config.encoder_list, head) {
@@ -492,14 +512,53 @@ static int rcar_du_pm_resume(struct device *dev)
DRM_MODE_DPMS_ON);
}
#endif
+#endif
drm_kms_helper_poll_enable(rcdu->ddev);
return 0;
}
-#endif
+#ifdef CONFIG_MACH_FTEN
+static int rcar_du_pm_freeze(struct device *dev)
+{
+ int ret;
+
+ ret = rcar_du_pm_suspend(dev);
+ return ret;
+}
+
+static int rcar_du_pm_thaw(struct device *dev)
+{
+ int ret;
+ ret = rcar_du_pm_resume(dev);
+ return ret;
+}
+
+static int rcar_du_pm_restore(struct device *dev)
+{
+ int i, ret;
+ struct rcar_du_device *rcdu = dev_get_drvdata(dev);
+
+ ret = rcar_du_pm_resume(dev);
+ for (i = 0; i < rcdu->pdata->num_crtcs; ++i)
+ rcar_du_crtc_enable_vblank(&rcdu->crtcs[i],
+ rcdu->crtcs[i].vblank_enable);
+ return ret;
+}
+#endif
+#endif
static const struct dev_pm_ops rcar_du_pm_ops = {
+#if defined(CONFIG_MACH_FTEN) && defined(CONFIG_HIBERNATION) && \
+ defined(CONFIG_PM_SLEEP)
+ .suspend = rcar_du_pm_suspend,
+ .resume = rcar_du_pm_resume,
+ .freeze = rcar_du_pm_freeze,
+ .thaw = rcar_du_pm_thaw,
+ .poweroff = rcar_du_pm_suspend,
+ .restore = rcar_du_pm_restore,
+#else
SET_SYSTEM_SLEEP_PM_OPS(rcar_du_pm_suspend, rcar_du_pm_resume)
+#endif
};
/* -----------------------------------------------------------------------------
@@ -620,6 +679,13 @@ static const struct rcar_du_device_info rcar_du_r8a7791_info = {
.possible_clones = 0,
.encoder_type = DRM_MODE_ENCODER_NONE,
},
+#if defined(CONFIG_MACH_FTEN)
+ [RCAR_DU_OUTPUT_COMPOSITE] = {
+ .possible_crtcs = BIT(1),
+ .possible_clones = 0,
+ .encoder_type = DRM_MODE_ENCODER_TVDAC,
+ },
+#endif
},
.num_lvds = 1,
.drgbs_bit = 1,
--
1.8.3.1
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