mali: gpu boost on touch

arch/arm/mach-exynos/include/mach/midas-tsp.h

@@ -36,10 +36,10 @@ int is_melfas_vdd_on(void);
 int melfas_mux_fw_flash(bool to_gpios);
 void midas_tsp_set_lcdtype(int lcd_type);
 
-#ifdef CONFIG_CPU_FREQ_GOV_ONDEMAND_FLEXRATE
+//#ifdef CONFIG_CPU_FREQ_GOV_ONDEMAND_FLEXRATE
 extern void midas_tsp_request_qos(void *data);
-#else
-#define midas_tsp_request_qos	NULL
-#endif
+//#else
+//#define midas_tsp_request_qos	NULL
+//#endif
 
 #endif /* __MIDAS_TSP_H */

arch/arm/mach-exynos/midas-tsp.c

@@ -2247,6 +2247,8 @@ static void flexrate_work(struct work_struct *work)
 {
 	cpufreq_ondemand_flexrate_request(10000, 10);
 }
+static DECLARE_WORK(flex_work, flexrate_work);
+#endif
 
 #include <linux/pm_qos_params.h>
 static struct pm_qos_request_list busfreq_qos;
@@ -2255,13 +2257,16 @@ static void flexrate_qos_cancel(struct work_struct *work)
 	pm_qos_update_request(&busfreq_qos, 0);
 }
 
-static DECLARE_WORK(flex_work, flexrate_work);
 static DECLARE_DELAYED_WORK(busqos_work, flexrate_qos_cancel);
 
+extern void gpu_boost_on_touch(void);
+extern void new_gpu_boost_on_touch(void);
 void midas_tsp_request_qos(void *data)
 {
+#ifdef CONFIG_CPU_FREQ_GOV_ONDEMAND_FLEXRATE
 	if (!work_pending(&flex_work))
 		schedule_work_on(0, &flex_work);
+#endif
 
 	/* Guarantee that the bus runs at >= 266MHz */
 	if (!pm_qos_request_active(&busfreq_qos))
@@ -2272,7 +2277,9 @@ void midas_tsp_request_qos(void *data)
 		pm_qos_update_request(&busfreq_qos, 266000);
 	}
 
+	SAMSUNGROM gpu_boost_on_touch();
+	else new_gpu_boost_on_touch();
+
 	/* Cancel the QoS request after 1/10 sec */
 	schedule_delayed_work_on(0, &busqos_work, HZ / 5);
 }
-#endif

drivers/input/keyboard/cypress/cypress-touchkey.c

@@ -45,6 +45,7 @@
 #include <linux/i2c/mxt224_u1.h>
 #endif
 #include <linux/i2c/touchkey_i2c.h>
+#include <mach/midas-tsp.h>
 
 /* M0 Touchkey temporary setting */
 
@@ -722,6 +723,7 @@ AOSPROM {
             }
         }
 }
+		midas_tsp_request_qos(NULL);
     } else {
 AOSPROM {
         // touch led timeout on keyup

drivers/input/touchscreen/mms_ts.c

@@ -50,6 +50,7 @@
 
 #include <asm/unaligned.h>
 #include "../keyboard/cypress/cypress-touchkey.h"
+#include <mach/midas-tsp.h>
 
 #define MAX_FINGERS		10
 #define MAX_WIDTH		30
@@ -741,6 +742,7 @@ static irqreturn_t mms_ts_interrupt(int irq, void *dev_id)
 	}
 
 #if TOUCH_BOOSTER
+	if(!!touch_is_pressed) midas_tsp_request_qos(NULL);
 	set_dvfs_lock(info, !!touch_is_pressed);
 #endif
 out:

drivers/media/video/samsung/mali/linux/mali_kernel_linux.c

@@ -196,6 +196,10 @@ module_param(gpu_power_state, int, S_IRUSR | S_IRGRP | S_IROTH); /* r--r--r-- */
 MODULE_PARM_DESC(gpu_power_state, "Mali Power State");
 extern _mali_device_power_states mali_dvfs_device_state;
 
+int mali_touch_boost_level = 0;
+module_param(mali_touch_boost_level, int, S_IRUSR | S_IWUSR | S_IWGRP | S_IRGRP | S_IROTH); /* rw--rw--r-- */
+MODULE_PARM_DESC(mali_touch_boost_level, "Mali Touch Boost Level");
+
 static char mali_dev_name[] = "mali"; /* should be const, but the functions we call requires non-cost */
 
 /* the mali device */

drivers/media/video/samsung/mali/platform/pegasus-m400/mali_platform.c

@@ -132,28 +132,35 @@ int mali_regulator_get_usecount(void)
 	return rdev->use_count;
 }
 
+static DEFINE_MUTEX(boostpop_mutex);
 void mali_regulator_disable(void)
 {
-	bPoweroff = 1;
+	mutex_lock(&boostpop_mutex);
 	if( IS_ERR_OR_NULL(g3d_regulator) )
 	{
+		mutex_unlock(&boostpop_mutex);
 		MALI_DEBUG_PRINT(1, ("error on mali_regulator_disable : g3d_regulator is null\n"));
 		return;
 	}
 	regulator_disable(g3d_regulator);
 	MALI_DEBUG_PRINT(1, ("regulator_disable -> use cnt: %d \n",mali_regulator_get_usecount()));
+	bPoweroff = 1;
+	mutex_unlock(&boostpop_mutex);
 }
 
 void mali_regulator_enable(void)
 {
-	bPoweroff = 0;
+	mutex_lock(&boostpop_mutex);
 	if( IS_ERR_OR_NULL(g3d_regulator) )
 	{
+		mutex_unlock(&boostpop_mutex);
 		MALI_DEBUG_PRINT(1, ("error on mali_regulator_enable : g3d_regulator is null\n"));
 		return;
 	}
 	regulator_enable(g3d_regulator);
 	MALI_DEBUG_PRINT(1, ("regulator_enable -> use cnt: %d \n",mali_regulator_get_usecount()));
+	bPoweroff = 0;
+	mutex_unlock(&boostpop_mutex);
 }
 
 void mali_regulator_set_voltage(int min_uV, int max_uV)
@@ -519,6 +526,37 @@ static mali_bool deinit_mali_clock(void)
 
 	return MALI_TRUE;
 }
+extern int mali_touch_boost_level;
+static int is_gpu_boosted = 0;
+static struct timer_list boostpop_timer;
+static void boostpop(struct work_struct *boostpop_work)
+{
+	mutex_lock(&boostpop_mutex);
+	mali_dvfs_bottom_lock_pop();
+	is_gpu_boosted = 0;
+	mutex_unlock(&boostpop_mutex);
+}
+static DECLARE_WORK(boostpop_work, boostpop);
+
+static void handle_boostpop(unsigned long data)
+{
+	schedule_work(&boostpop_work);
+}
+
+
+void gpu_boost_on_touch(void)
+{
+	if(!mali_touch_boost_level) return;
+	mutex_lock(&boostpop_mutex);
+	if(!is_gpu_boosted && !bPoweroff)
+	{
+		mali_dvfs_bottom_lock_push(mali_touch_boost_level);
+		is_gpu_boosted = 1;
+	}
+	mutex_unlock(&boostpop_mutex);
+	mod_timer(&boostpop_timer, jiffies + msecs_to_jiffies(1000));
+}
+
 static _mali_osk_errcode_t enable_mali_clocks(void)
 {
 	int err;
@@ -642,6 +680,7 @@ _mali_osk_errcode_t mali_platform_init()
 	if(!init_mali_dvfs_status(MALI_DVFS_DEFAULT_STEP))
 		MALI_DEBUG_PRINT(1, ("mali_platform_init failed\n"));
 #endif
+	setup_timer(&boostpop_timer, handle_boostpop, 0);
 
 	MALI_SUCCESS;
 }
@@ -660,6 +699,7 @@ _mali_osk_errcode_t mali_platform_deinit()
 		clk_register_map=0;
 	}
 #endif
+	del_timer(&boostpop_timer);
 
 	MALI_SUCCESS;
 }

drivers/media/video/samsung/mali_r3p0_lsi/common/mali_osk.h

@@ -224,6 +224,7 @@
 #define change_dvfs_tableset new_change_dvfs_tableset
 #define maliDvfsStatus new_maliDvfsStatus
 #define mali_dvfs_control new_mali_dvfs_control
+#define gpu_boost_on_touch new_gpu_boost_on_touch
 
 #ifndef __MALI_OSK_H__
 #define __MALI_OSK_H__

drivers/media/video/samsung/mali_r3p0_lsi/platform/pegasus-m400/mali_platform.c

@@ -140,28 +140,35 @@ int mali_regulator_get_usecount(void)
 	return rdev->use_count;
 }
 
+static DEFINE_MUTEX(boostpop_mutex);
 void mali_regulator_disable(void)
 {
+	mutex_lock(&boostpop_mutex);
 	if( IS_ERR_OR_NULL(g3d_regulator) )
 	{
+		mutex_unlock(&boostpop_mutex);
 		MALI_DEBUG_PRINT(1, ("error on mali_regulator_disable : g3d_regulator is null\n"));
 		return;
 	}
 	regulator_disable(g3d_regulator);
 	MALI_DEBUG_PRINT(1, ("regulator_disable -> use cnt: %d \n",mali_regulator_get_usecount()));
 	bPoweroff = 1;
+	mutex_unlock(&boostpop_mutex);
 }
 
 void mali_regulator_enable(void)
 {
+	mutex_lock(&boostpop_mutex);
 	if( IS_ERR_OR_NULL(g3d_regulator) )
 	{
+		mutex_unlock(&boostpop_mutex);
 		MALI_DEBUG_PRINT(1, ("error on mali_regulator_enable : g3d_regulator is null\n"));
 		return;
 	}
 	regulator_enable(g3d_regulator);
 	MALI_DEBUG_PRINT(1, ("regulator_enable -> use cnt: %d \n",mali_regulator_get_usecount()));
 	bPoweroff = 0;
+	mutex_unlock(&boostpop_mutex);
 }
 
 void mali_regulator_set_voltage(int min_uV, int max_uV)
@@ -527,6 +534,37 @@ static mali_bool deinit_mali_clock(void)
 
 	return MALI_TRUE;
 }
+extern int mali_touch_boost_level;
+static int is_gpu_boosted = 0;
+static struct timer_list boostpop_timer;
+static void boostpop(struct work_struct *boostpop_work)
+{
+	mutex_lock(&boostpop_mutex);
+	mali_dvfs_bottom_lock_pop();
+	is_gpu_boosted = 0;
+	mutex_unlock(&boostpop_mutex);
+}
+static DECLARE_WORK(boostpop_work, boostpop);
+
+static void handle_boostpop(unsigned long data)
+{
+	schedule_work(&boostpop_work);
+}
+
+
+void gpu_boost_on_touch(void)
+{
+	if(!mali_touch_boost_level) return;
+	mutex_lock(&boostpop_mutex);
+	if(!is_gpu_boosted && !bPoweroff)
+	{
+		mali_dvfs_bottom_lock_push(mali_touch_boost_level);
+		is_gpu_boosted = 1;
+	}
+	mutex_unlock(&boostpop_mutex);
+	mod_timer(&boostpop_timer, jiffies + msecs_to_jiffies(1000));
+}
+
 static _mali_osk_errcode_t enable_mali_clocks(void)
 {
 	int err;
@@ -649,6 +687,7 @@ _mali_osk_errcode_t mali_platform_init()
 	if(!init_mali_dvfs_status(MALI_DVFS_DEFAULT_STEP))
 		MALI_DEBUG_PRINT(1, ("mali_platform_init failed\n"));
 #endif
+	setup_timer(&boostpop_timer, handle_boostpop, 0);
 
 	MALI_SUCCESS;
 }
@@ -667,6 +706,7 @@ _mali_osk_errcode_t mali_platform_deinit()
 		clk_register_map=0;
 	}
 #endif
+	del_timer(&boostpop_timer);
 
 	MALI_SUCCESS;
 }