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authorLoren Huang <b02279@freescale.com>2013-06-04 15:08:15 +0800
committerRichard Liu <r66033@freescale.com>2013-06-08 10:43:19 +0800
commiteaa3930c8e752e8d75a0e1b50ec5cacee020293f (patch)
tree94c9db4c5d7618e504d4a2274281323cb7e41638 /drivers/mxc/gpu-viv/hal/os
parent41f0553746777fe3d1bf7ad77678db2eb0ffa3e9 (diff)
ENGR00265465 gpu:Add global value for minimum 3D clock export
Add global value gpu3DMinClock so that minimum 3D clock can be change by user. When gpu min clock is too low, it may cause IPU starvation issue in certain case. Use echo x > /sys/module/galcore/parameters/gpu3DMinClock to change it. Signed-off-by: Loren Huang <b02279@freescale.com> Acked-by: Lily Zhang
Diffstat (limited to 'drivers/mxc/gpu-viv/hal/os')
-rw-r--r--drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_driver.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_driver.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_driver.c
index 963527f6cec4..34438f7f6f7b 100644
--- a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_driver.c
+++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_driver.c
@@ -146,6 +146,9 @@ module_param(logFileSize,uint, 0644);
static int showArgs = 0;
module_param(showArgs, int, 0644);
+int gpu3DMinClock = 0;
+module_param(gpu3DMinClock, int, 0644);
+
#if ENABLE_GPU_CLOCK_BY_DRIVER
unsigned long coreClock = 156000000;
module_param(coreClock, ulong, 0644);