Add hibernation image area

This patch set add DDR hibernation image area.
0x40000000 <-> 0x77FFFFFF : kernel
0x78000000 <-> 0x7FFFFFFF : hibernation image area

and Fix Black blink correction of display.

Change-Id: I286b5291cb2eed22334a95132ba4a137eff298ca
Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/9699
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>

5 files changed, 235 insertions, 2 deletions

diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux-renesas_%.bbappend b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux-renesas_%.bbappend
index 35b225354..8a164235e 100755
--- a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux-renesas_%.bbappend
+++ b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux-renesas_%.bbappend
@@ -32,6 +32,9 @@ SRC_URI_append_agl-porter-hibernate = " file://hibernation/0001-Add-Hibernation-
                                         file://hibernation/0013-Add-rcar-spi-hibernation-code.patch \
                                         file://hibernation/0014-Add-rcar-sci-hibernation-code.patch \ 
                                         file://hibernation/0015-Add-rcar-usbphy-hibernation-code.patch \
+                                        file://hibernation/0001-Add-shdmac-hibernation-code.patch \
+                                        file://hibernation/0002-Fix-Black-blink-correction-of-display.patch \
+                                        file://hibernation/0003-Add-hibernation-image-area.patch \
                                         file://hibernation/hibernation.cfg \
                                        "
 
diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0001-Add-shdmac-hibernation-code.patch b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0001-Add-shdmac-hibernation-code.patch
new file mode 100644
index 000000000..ad4e4bc03
--- /dev/null
+++ b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0001-Add-shdmac-hibernation-code.patch
@@ -0,0 +1,110 @@
+From dfc07c05c50155420e47f85442d099d433db869b Mon Sep 17 00:00:00 2001
+From: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
+Date: Fri, 9 Jun 2017 20:11:49 +0900
+Subject: [PATCH 1/3] Add shdmac hibernation code
+
+Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
+---
+ drivers/dma/sh/shdmac.c | 36 ++++++++++++++++++++++++------------
+ 1 file changed, 24 insertions(+), 12 deletions(-)
+
+diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c
+index 1c97cc5..d084437 100644
+--- a/drivers/dma/sh/shdmac.c
++++ b/drivers/dma/sh/shdmac.c
+@@ -743,11 +743,20 @@ static int sh_dmae_resume(struct device *dev)
+ #define sh_dmae_resume NULL
+ #endif
+ 
++static int sh_dmae_restore(struct device *dev)
++{
++#ifdef CONFIG_PM
++	return sh_dmae_resume(dev);
++#else
++	return 0;
++#endif
++}
++
+ const struct dev_pm_ops sh_dmae_pm = {
+-	.suspend		= sh_dmae_suspend,
+-	.resume			= sh_dmae_resume,
+-	.runtime_suspend	= sh_dmae_runtime_suspend,
+-	.runtime_resume		= sh_dmae_runtime_resume,
++	SET_SYSTEM_SLEEP_PM_OPS(sh_dmae_suspend, sh_dmae_resume)
++	SET_RUNTIME_PM_OPS(sh_dmae_runtime_suspend, sh_dmae_runtime_resume,
++		NULL)
++	.restore_noirq = sh_dmae_restore,
+ };
+ 
+ static dma_addr_t sh_dmae_slave_addr(struct shdma_chan *schan)
+@@ -798,7 +807,6 @@ static int sh_dmae_probe(struct platform_device *pdev)
+ 	struct sh_dmae_device *shdev;
+ 	struct dma_device *dma_dev;
+ 	struct resource *chan, *dmars, *errirq_res, *chanirq_res;
+-	unsigned long flags;
+ 
+ 	if (pdev->dev.of_node)
+ 		pdata = of_match_device(sh_dmae_of_match, &pdev->dev)->data;
+@@ -885,9 +893,9 @@ static int sh_dmae_probe(struct platform_device *pdev)
+ 	if (err < 0)
+ 		dev_err(&pdev->dev, "%s(): GET = %d\n", __func__, err);
+ 
+-	spin_lock_irqsave(&sh_dmae_lock, flags);
++	spin_lock_irq(&sh_dmae_lock);
+ 	list_add_tail_rcu(&shdev->node, &sh_dmae_devices);
+-	spin_unlock_irqrestore(&sh_dmae_lock, flags);
++	spin_unlock_irq(&sh_dmae_lock);
+ 
+ 	/* reset dma controller - only needed as a test */
+ 	err = sh_dmae_rst(shdev);
+@@ -981,6 +989,7 @@ static int sh_dmae_probe(struct platform_device *pdev)
+ 	return err;
+ 
+ edmadevreg:
++	pm_runtime_get(&pdev->dev);
+ chan_probe_err:
+ 	sh_dmae_chan_remove(shdev);
+ 
+@@ -988,9 +997,9 @@ chan_probe_err:
+ eirq_err:
+ #endif
+ rst_err:
+-	spin_lock_irqsave(&sh_dmae_lock, flags);
++	spin_lock_irq(&sh_dmae_lock);
+ 	list_del_rcu(&shdev->node);
+-	spin_unlock_irqrestore(&sh_dmae_lock, flags);
++	spin_unlock_irq(&sh_dmae_lock);
+ 
+ 	pm_runtime_put(&pdev->dev);
+ 	pm_runtime_disable(&pdev->dev);
+@@ -1007,13 +1016,12 @@ static int sh_dmae_remove(struct platform_device *pdev)
+ {
+ 	struct sh_dmae_device *shdev = platform_get_drvdata(pdev);
+ 	struct dma_device *dma_dev = &shdev->shdma_dev.dma_dev;
+-	unsigned long flags;
+ 
+ 	dma_async_device_unregister(dma_dev);
+ 
+-	spin_lock_irqsave(&sh_dmae_lock, flags);
++	spin_lock_irq(&sh_dmae_lock);
+ 	list_del_rcu(&shdev->node);
+-	spin_unlock_irqrestore(&sh_dmae_lock, flags);
++	spin_unlock_irq(&sh_dmae_lock);
+ 
+ 	pm_runtime_disable(&pdev->dev);
+ 
+@@ -1047,7 +1055,11 @@ static int __init sh_dmae_init(void)
+ 
+ 	return platform_driver_probe(&sh_dmae_driver, sh_dmae_probe);
+ }
++#ifdef MODULE
+ module_init(sh_dmae_init);
++#else
++subsys_initcall(sh_dmae_init);
++#endif
+ 
+ static void __exit sh_dmae_exit(void)
+ {
+-- 
+1.8.3.1
+
diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0002-Fix-Black-blink-correction-of-display.patch b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0002-Fix-Black-blink-correction-of-display.patch
new file mode 100644
index 000000000..2ef1129ce
--- /dev/null
+++ b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0002-Fix-Black-blink-correction-of-display.patch
@@ -0,0 +1,88 @@
+From 175a91f2068c5cb4a9be5aa1ea5f1e24e2919bbb Mon Sep 17 00:00:00 2001
+From: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
+Date: Fri, 9 Jun 2017 20:13:59 +0900
+Subject: [PATCH 2/3] Fix Black blink correction of display
+
+Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
+---
+ drivers/gpu/drm/rcar-du/rcar_du_crtc.c  |  1 +
+ drivers/gpu/drm/rcar-du/rcar_du_crtc.h  |  1 +
+ drivers/gpu/drm/rcar-du/rcar_du_drv.c   | 13 ++++---------
+ drivers/gpu/drm/rcar-du/rcar_du_group.c |  4 ++--
+ 4 files changed, 8 insertions(+), 11 deletions(-)
+
+diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+index 262d8a8d..ab3bb09 100644
+--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
++++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c
+@@ -1027,4 +1027,5 @@ void rcar_du_crtc_enable_vblank(struct rcar_du_crtc *rcrtc, bool enable)
+ 	} else {
+ 		rcar_du_crtc_clr(rcrtc, DIER, DIER_VBE);
+ 	}
++	rcrtc->vblank_enable = enable;
+ }
+diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
+index 6cdd02e6..19c0d69 100644
+--- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
++++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h
+@@ -49,6 +49,7 @@ struct rcar_du_crtc {
+ 	int lif_enable;
+ 	void *vpsd_handle;
+ #endif
++	bool vblank_enable;
+ };
+ 
+ #define to_rcar_crtc(c)	container_of(c, struct rcar_du_crtc, crtc)
+diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+index fbb212c..f83501d 100644
+--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
++++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+@@ -517,7 +517,7 @@ static int rcar_du_pm_resume(struct device *dev)
+ 
+ 	return 0;
+ }
+-#ifdef CONFIG_MACH_FTEN
++
+ static int rcar_du_pm_freeze(struct device *dev)
+ {
+ 	int ret;
+@@ -546,18 +546,13 @@ static int rcar_du_pm_restore(struct device *dev)
+ 	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,
++	SET_SYSTEM_SLEEP_PM_OPS(rcar_du_pm_suspend, rcar_du_pm_resume)
++#ifdef CONFIG_HIBERNATION
+ 	.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
+ };
+ 
+diff --git a/drivers/gpu/drm/rcar-du/rcar_du_group.c b/drivers/gpu/drm/rcar-du/rcar_du_group.c
+index 3620040..0e571d4 100644
+--- a/drivers/gpu/drm/rcar-du/rcar_du_group.c
++++ b/drivers/gpu/drm/rcar-du/rcar_du_group.c
+@@ -151,8 +151,8 @@ void rcar_du_group_start_stop(struct rcar_du_group *rgrp, bool start)
+ 	 * when the display controller will have to be restarted.
+ 	 */
+ 	if (start) {
+-		if (rgrp->used_crtcs++ != 0)
+-			__rcar_du_group_start_stop(rgrp, false);
++		rgrp->used_crtcs++;
++		__rcar_du_group_start_stop(rgrp, false);
+ 		__rcar_du_group_start_stop(rgrp, true);
+ 	} else {
+ 		if (--rgrp->used_crtcs == 0)
+-- 
+1.8.3.1
+
diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0003-Add-hibernation-image-area.patch b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0003-Add-hibernation-image-area.patch
new file mode 100644
index 000000000..5901cc2b1
--- /dev/null
+++ b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/0003-Add-hibernation-image-area.patch
@@ -0,0 +1,32 @@
+From 4d35f60f9bd47aebc104d34b9099e8e4f69fa53a Mon Sep 17 00:00:00 2001
+From: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
+Date: Fri, 9 Jun 2017 20:15:32 +0900
+Subject: [PATCH 3/3] Add hibernation image area
+
+0x40000000 <-> 0x77FFFFFF : kernel
+0x78000000 <-> 0x7FFFFFFF : hibernation image area
+
+Signed-off-by: Yuichi Kusakabe <yuichi.kusakabe@jp.fujitsu.com>
+---
+ arch/arm/boot/dts/r8a7791-porter.dts | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts
+index b1acf4a..a0e273e 100644
+--- a/arch/arm/boot/dts/r8a7791-porter.dts
++++ b/arch/arm/boot/dts/r8a7791-porter.dts
+@@ -42,7 +42,10 @@
+ 
+ 	memory@40000000 {
+ 		device_type = "memory";
+-		reg = <0 0x40000000 0 0x40000000>;
++/*		reg = <0 0x40000000 0 0x40000000>; */
++/*		0x40000000 <-> 0x77FFFFFF : kernel */
++/*		0x78000000 <-> 0x7FFFFFFF : snap   */
++		reg = <0 0x40000000 0 0x38000000>;
+ 	};
+ 
+ 	memory@200000000 {
+-- 
+1.8.3.1
+
diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/hibernation.cfg b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/hibernation.cfg
index 45521d25d..eddb52ce7 100755
--- a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/hibernation.cfg
+++ b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/hibernation/hibernation.cfg
@@ -1,5 +1,5 @@
-CONFIG_SWSUSP_AREA=0x7A000000
-CONFIG_SWSUSP_AREA_SIZE=0x4000000
+CONFIG_SWSUSP_AREA=0x78000000
+CONFIG_SWSUSP_AREA_SIZE=0x8000000
 CONFIG_HIBERNATE_CALLBACKS=y
 CONFIG_HIBERNATION=y
 CONFIG_PM_STD_PARTITION=""