From: chenzhen <chenzhen@rock-chips.com>
Date: Thu, 30 Jun 2016 12:01:01 +0000 (+0800)
Subject: MALI: midgard: rockchip: add .shutdown of GPU platform_driver
X-Git-Tag: firefly_0821_release~2247
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=54543b877da4e41843fce80fe11fc366699d86eb;p=firefly-linux-kernel-4.4.55.git

MALI: midgard: rockchip: add .shutdown of GPU platform_driver

Change-Id: I5af2a464db88b08530b063d90b3a7ce61e26f201
Signed-off-by: chenzhen <chenzhen@rock-chips.com>
---

diff --git a/drivers/gpu/arm/midgard/mali_kbase_core_linux.c b/drivers/gpu/arm/midgard/mali_kbase_core_linux.c
index 5b56e8b0693a..e27481a07a0f 100644
--- a/drivers/gpu/arm/midgard/mali_kbase_core_linux.c
+++ b/drivers/gpu/arm/midgard/mali_kbase_core_linux.c
@@ -3813,6 +3813,14 @@ static int kbase_platform_device_remove(struct platform_device *pdev)
 	return 0;
 }
 
+extern void kbase_platform_rk_shutdown(struct kbase_device *kbdev);
+static void kbase_platform_device_shutdown(struct platform_device *pdev)
+{
+	struct kbase_device *kbdev = to_kbase_device(&pdev->dev);
+
+	kbase_platform_rk_shutdown(kbdev);
+}
+
 static int kbase_platform_device_probe(struct platform_device *pdev)
 {
 	struct kbase_device *kbdev;
@@ -4214,6 +4222,7 @@ MODULE_DEVICE_TABLE(of, kbase_dt_ids);
 static struct platform_driver kbase_platform_driver = {
 	.probe = kbase_platform_device_probe,
 	.remove = kbase_platform_device_remove,
+	.shutdown = kbase_platform_device_shutdown,
 	.driver = {
 		   .name = kbase_drv_name,
 		   .owner = THIS_MODULE,
diff --git a/drivers/gpu/arm/midgard/platform/rk/mali_kbase_config_rk.c b/drivers/gpu/arm/midgard/platform/rk/mali_kbase_config_rk.c
index df15a9a6901b..62d477dd961e 100644
--- a/drivers/gpu/arm/midgard/platform/rk/mali_kbase_config_rk.c
+++ b/drivers/gpu/arm/midgard/platform/rk/mali_kbase_config_rk.c
@@ -227,6 +227,14 @@ int kbase_platform_early_init(void)
 
 /*---------------------------------------------------------------------------*/
 
+void kbase_platform_rk_shutdown(struct kbase_device *kbdev)
+{
+	I("to make vdd_gpu enabled for turning off pd_gpu in pm_framework.");
+	rk_pm_enable_regulator(kbdev);
+}
+
+/*---------------------------------------------------------------------------*/
+
 static int rk_pm_enable_regulator(struct kbase_device *kbdev)
 {
 	int ret = 0;