ENGR00220199 Add CPU governor trigger for GPU2D and GPUVG core

Add CPU governor trigger for GPU2D and GPUVG core, without these trigger
some benchmark show performance drop when enable CPU governor

Signed-off-by: Richard Liu <r66033@freescale.com>
Acked-by: Lily Zhang

diff --git a/arch/arm/mach-mx6/irq.c b/arch/arm/mach-mx6/irq.c
index 22ca75cbce4371d5695f4d9ec50855c815135a4e..197c451d5fb45760f55684e802a69ac3ef249474 100644 (file)
--- a/arch/arm/mach-mx6/irq.c
+++ b/arch/arm/mach-mx6/irq.c
@@ -56,6 +56,14 @@ static struct irq_tuner mxc_irq_tuner[] = {
         .irq_number = 41, /* GPU 3D */
         .up_threshold = 0,
         .enable = 1,},
+       {
+        .irq_number = 42, /* GPU 2D */
+        .up_threshold = 40,
+        .enable = 1,},
+       {
+        .irq_number = 43, /* GPU VG */
+        .up_threshold = 0,
+        .enable = 1,},
        {
         .irq_number = 54, /* uSDHC1 */
         .up_threshold = 4,

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index a61416fe63f2b5deba6357137a6ca4365c47b071..a56996226cf385e71d928d710f2812879f86c872 100644 (file)
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -73,7 +73,7 @@ extern struct kobject *cpufreq_global_kobject;
  * not issue cpu freq change, but the devices' performance will be impacted
  * significantly, we need to add irq number check to be as one condition of
  * CPU freq change. */
-#define MAX_CPUFREQ_IRQ_NUMBER 10
+#define MAX_CPUFREQ_IRQ_NUMBER 20
 struct irq_tuner {
        unsigned int irq_number;
        unsigned int up_threshold;