ElementalX governor

Signed-off-by: flar2 <asegaert@gmail.com>

arch/arm/mach-msm/include/mach/kgsl.h

@@ -43,6 +43,10 @@
 
 extern uint32_t max_gpu;
 
+#ifdef CONFIG_CPU_FREQ_GOV_ELEMENTALX
+extern int graphics_boost;
+#endif
+
 enum kgsl_iommu_context_id {
 	KGSL_IOMMU_CONTEXT_USER = 0,
 	KGSL_IOMMU_CONTEXT_PRIV = 1,

drivers/cpufreq/Kconfig

@@ -99,6 +99,13 @@ config CPU_FREQ_DEFAULT_GOV_ONDEMAND
 	  governor. If unsure have a look at the help section of the
 	  driver. Fallback governor will be the performance governor.
 
+config CPU_FREQ_DEFAULT_GOV_ELEMENTALX
+	bool "elementalx"
+	select CPU_FREQ_GOV_ELEMENTALX
+	select CPU_FREQ_GOV_PERFORMANCE
+	help
+	  Use the CPUFreq governor 'elementalx' as default.
+
 config CPU_FREQ_DEFAULT_GOV_CONSERVATIVE
 	bool "conservative"
 	select CPU_FREQ_GOV_CONSERVATIVE
@@ -184,6 +191,19 @@ config CPU_FREQ_GOV_ONDEMAND
 
 	  If in doubt, say N.
 
+config CPU_FREQ_GOV_ELEMENTALX
+	tristate "'elementalx' cpufreq policy governor"
+	select CPU_FREQ_TABLE
+	help
+	  'elementalx' - This driver adds a dynamic cpufreq policy governor.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called cpufreq_elementalx.
+
+	  For details, take a look at linux/Documentation/cpu-freq.
+
+	  If in doubt, say N.
+
 config CPU_FREQ_GOV_INTERACTIVE
 	tristate "'interactive' cpufreq policy governor"
 	help

drivers/cpufreq/Makefile

@@ -11,6 +11,7 @@ obj-$(CONFIG_CPU_FREQ_GOV_ONDEMAND)	+= cpufreq_ondemand.o
 obj-$(CONFIG_CPU_FREQ_GOV_CONSERVATIVE)	+= cpufreq_conservative.o
 obj-$(CONFIG_CPU_FREQ_GOV_INTERACTIVE)	+= cpufreq_interactive.o
 obj-$(CONFIG_CPU_FREQ_GOV_INTELLIDEMAND)	+= cpufreq_intellidemand.o
+obj-$(CONFIG_CPU_FREQ_GOV_ELEMENTALX)  += cpufreq_elementalx.o
 
 # CPUfreq cross-arch helpers
 obj-$(CONFIG_CPU_FREQ_TABLE)		+= freq_table.o

drivers/gpu/msm/kgsl_pwrctrl.c

@@ -48,6 +48,10 @@
 
 unsigned long internal_max = 450000000;
 
+#ifdef CONFIG_CPU_FREQ_GOV_ELEMENTALX
+int graphics_boost = 6;
+#endif
+
 struct clk_pair {
 	const char *name;
 	uint map;
@@ -192,6 +196,10 @@ void kgsl_pwrctrl_pwrlevel_change(struct kgsl_device *device,
 
 
 	trace_kgsl_pwrlevel(device, pwr->active_pwrlevel, pwrlevel->gpu_freq);
+
+#ifdef CONFIG_CPU_FREQ_GOV_ELEMENTALX
+        graphics_boost = pwr->active_pwrlevel;
+#endif
 }
 
 EXPORT_SYMBOL(kgsl_pwrctrl_pwrlevel_change);

include/linux/cpufreq.h

@@ -373,6 +373,9 @@ extern struct cpufreq_governor cpufreq_gov_userspace;
 #elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND)
 extern struct cpufreq_governor cpufreq_gov_ondemand;
 #define CPUFREQ_DEFAULT_GOVERNOR	(&cpufreq_gov_ondemand)
+#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_ELEMENTALX)
+extern struct cpufreq_governor cpufreq_gov_elementalx;
+#define CPUFREQ_DEFAULT_GOVERNOR	(&cpufreq_gov_elementalx)
 #elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE)
 extern struct cpufreq_governor cpufreq_gov_conservative;
 #define CPUFREQ_DEFAULT_GOVERNOR	(&cpufreq_gov_conservative)