Add kernel Hibernation code for porter board.

[AGL/meta-agl.git] / meta-agl-bsp / meta-renesas / recipes-kernel / linux / linux / hibernation / 0006-Add-rcar-du-hibernation-code.patch

diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0006-Add-rcar-du-hibernation-code.patch b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0006-Add-rcar-du-hibernation-code.patch
new file mode 100755 (executable)
index 0000000..8942ed4
--- /dev/null
+++ b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0006-Add-rcar-du-hibernation-code.patch
@@ -0,0 +1,127 @@
+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
+