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

   1 From 4a9a11deb2e83549d2e77cac129f879a0000ef7e Mon Sep 17 00:00:00 2001
   2 From: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
   3 Date: Thu, 18 May 2017 17:33:54 +0900
   4 Subject: [PATCH 06/15] Add rcar-du hibernation code
   5
   6 Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
   7 ---
   8  drivers/gpu/drm/rcar-du/rcar_du_drv.c | 68 ++++++++++++++++++++++++++++++++++-
   9  1 file changed, 67 insertions(+), 1 deletion(-)
  10
  11 diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
  12 index 53f1f6a..fbb212c 100644
  13 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
  14 +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
  15 @@ -442,6 +442,15 @@ static int rcar_du_pm_suspend(struct device *dev)
  16
  17         drm_kms_helper_poll_disable(rcdu->ddev);
  18
  19 +#ifdef CONFIG_MACH_FTEN
  20 +       list_for_each_entry(encoder,
  21 +                        &rcdu->ddev->mode_config.encoder_list, head) {
  22 +               if ((encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) &&
  23 +                       (get_rcar_slave_funcs(encoder)->dpms))
  24 +                       get_rcar_slave_funcs(encoder)->dpms(encoder,
  25 +                                                DRM_MODE_DPMS_SUSPEND);
  26 +       }
  27 +#else
  28  #if defined(CONFIG_DRM_ADV7511) || defined(CONFIG_DRM_ADV7511_MODULE)
  29         list_for_each_entry(encoder,
  30                          &rcdu->ddev->mode_config.encoder_list, head) {
  31 @@ -451,6 +460,8 @@ static int rcar_du_pm_suspend(struct device *dev)
  32                                                  DRM_MODE_DPMS_OFF);
  33         }
  34  #endif
  35 +#endif
  36 +
  37  #ifdef CONFIG_DRM_RCAR_LVDS
  38         for (i = 0; i < rcdu->info->num_lvds; ++i) {
  39                 if (rcdu->lvds[i])
  40 @@ -483,6 +494,15 @@ static int rcar_du_pm_resume(struct device *dev)
  41         }
  42  #endif
  43
  44 +#ifdef CONFIG_MACH_FTEN
  45 +       list_for_each_entry(encoder,
  46 +                        &rcdu->ddev->mode_config.encoder_list, head) {
  47 +               if ((encoder->encoder_type == DRM_MODE_ENCODER_TVDAC) &&
  48 +                       (get_rcar_slave_funcs(encoder)->dpms))
  49 +                       get_rcar_slave_funcs(encoder)->dpms(encoder,
  50 +                                                DRM_MODE_DPMS_ON);
  51 +       }
  52 +#else
  53  #if defined(CONFIG_DRM_ADV7511) || defined(CONFIG_DRM_ADV7511_MODULE)
  54         list_for_each_entry(encoder,
  55                          &rcdu->ddev->mode_config.encoder_list, head) {
  56 @@ -492,14 +512,53 @@ static int rcar_du_pm_resume(struct device *dev)
  57                                                  DRM_MODE_DPMS_ON);
  58         }
  59  #endif
  60 +#endif
  61         drm_kms_helper_poll_enable(rcdu->ddev);
  62
  63         return 0;
  64  }
  65 -#endif
  66 +#ifdef CONFIG_MACH_FTEN
  67 +static int rcar_du_pm_freeze(struct device *dev)
  68 +{
  69 +       int ret;
  70 +
  71 +       ret = rcar_du_pm_suspend(dev);
  72 +       return ret;
  73 +}
  74 +
  75 +static int rcar_du_pm_thaw(struct device *dev)
  76 +{
  77 +       int ret;
  78
  79 +       ret = rcar_du_pm_resume(dev);
  80 +       return ret;
  81 +}
  82 +
  83 +static int rcar_du_pm_restore(struct device *dev)
  84 +{
  85 +       int i, ret;
  86 +       struct rcar_du_device *rcdu = dev_get_drvdata(dev);
  87 +
  88 +       ret = rcar_du_pm_resume(dev);
  89 +       for (i = 0; i < rcdu->pdata->num_crtcs; ++i)
  90 +               rcar_du_crtc_enable_vblank(&rcdu->crtcs[i],
  91 +                       rcdu->crtcs[i].vblank_enable);
  92 +       return ret;
  93 +}
  94 +#endif
  95 +#endif
  96  static const struct dev_pm_ops rcar_du_pm_ops = {
  97 +#if defined(CONFIG_MACH_FTEN) && defined(CONFIG_HIBERNATION) && \
  98 +       defined(CONFIG_PM_SLEEP)
  99 +       .suspend = rcar_du_pm_suspend,
 100 +       .resume = rcar_du_pm_resume,
 101 +       .freeze = rcar_du_pm_freeze,
 102 +       .thaw = rcar_du_pm_thaw,
 103 +       .poweroff = rcar_du_pm_suspend,
 104 +       .restore = rcar_du_pm_restore,
 105 +#else
 106         SET_SYSTEM_SLEEP_PM_OPS(rcar_du_pm_suspend, rcar_du_pm_resume)
 107 +#endif
 108  };
 109
 110  /* -----------------------------------------------------------------------------
 111 @@ -620,6 +679,13 @@ static const struct rcar_du_device_info rcar_du_r8a7791_info = {
 112                         .possible_clones = 0,
 113                         .encoder_type = DRM_MODE_ENCODER_NONE,
 114                 },
 115 +#if defined(CONFIG_MACH_FTEN)
 116 +               [RCAR_DU_OUTPUT_COMPOSITE] = {
 117 +                       .possible_crtcs = BIT(1),
 118 +                       .possible_clones = 0,
 119 +                       .encoder_type = DRM_MODE_ENCODER_TVDAC,
 120 +               },
 121 +#endif
 122         },
 123         .num_lvds = 1,
 124         .drgbs_bit = 1,
 125 --
 126 1.8.3.1
 127