rockchip: midgard: cancel dvfs timers when recieve reboot notifier event

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 3cd50fe1c013ceed906af9707455a624fbb03e03..32e5fc64620490ca9096d08b7a1b4953560524d7 100755 (executable)
--- a/drivers/gpu/arm/midgard/platform/rk/mali_kbase_config_rk.c
+++ b/drivers/gpu/arm/midgard/platform/rk/mali_kbase_config_rk.c
@@ -28,6 +28,7 @@
 #include <platform/rk/mali_kbase_dvfs.h>
 #include <linux/pm_runtime.h>
 #include <linux/suspend.h>
+#include <linux/reboot.h>
 
 int get_cpu_clock_speed(u32 *cpu_clock);
 
@@ -77,6 +78,19 @@ static int mali_pm_notifier(struct notifier_block *nb,unsigned long event,void*
 static struct notifier_block mali_pm_nb = {
        .notifier_call = mali_pm_notifier
 };
+static int mali_reboot_notifier_event(struct notifier_block *this, unsigned long event, void *ptr)
+{
+
+       pr_info("%s enter\n",__func__);
+       if (kbase_platform_dvfs_enable(false, MALI_DVFS_CURRENT_FREQ)!= MALI_TRUE)
+               return -EPERM;
+       pr_info("%s exit\n",__func__);
+       return NOTIFY_OK;
+}
+
+static struct notifier_block mali_reboot_notifier = {
+       .notifier_call = mali_reboot_notifier_event,
+};
 
 #ifndef CONFIG_OF
 static kbase_io_resources io_resources = {
@@ -108,16 +122,18 @@ static int mali_pm_notifier(struct notifier_block *nb,unsigned long event,void*
        switch (event) {
                case PM_SUSPEND_PREPARE:
 #ifdef CONFIG_MALI_MIDGARD_DVFS
-                       /*if (kbase_platform_dvfs_enable(false, MALI_DVFS_BL_CONFIG_FREQ)!= MALI_TRUE)*/
-                       /*printk("%s,PM_SUSPEND_PREPARE\n",__func__);*/
+                       /*
+                       pr_info("%s,PM_SUSPEND_PREPARE\n",__func__);
+                       */
                        if (kbase_platform_dvfs_enable(false, p_mali_dvfs_infotbl[0].clock)!= MALI_TRUE)
                                err = NOTIFY_BAD;
 #endif
                        break;
                case PM_POST_SUSPEND:
 #ifdef CONFIG_MALI_MIDGARD_DVFS
-                       /*if (kbase_platform_dvfs_enable(true, MALI_DVFS_START_FREQ)!= MALI_TRUE)*/
-                       /*printk("%s,PM_POST_SUSPEND\n",__func__);*/
+                       /*
+                       pr_info("%s,PM_POST_SUSPEND\n",__func__);
+                       */
                        if (kbase_platform_dvfs_enable(true, p_mali_dvfs_infotbl[0].clock)!= MALI_TRUE)
                                err = NOTIFY_BAD;
 #endif
@@ -138,6 +154,8 @@ mali_bool kbase_platform_rk_init(kbase_device *kbdev)
                if (register_pm_notifier(&mali_pm_nb)) {
                        return MALI_FALSE;
                }
+               pr_info("%s,register_reboot_notifier\n",__func__);
+               register_reboot_notifier(&mali_reboot_notifier);
                return MALI_TRUE;
        }
        return MALI_FALSE;
@@ -218,6 +236,7 @@ static int pm_callback_runtime_on(kbase_device *kbdev)
        unsigned long flags;
        unsigned int clock;
 #endif
+
        kbase_platform_power_on(kbdev);
 
        kbase_platform_clock_on(kbdev);