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authorAlex Frid <afrid@nvidia.com>2010-08-25 21:53:24 -0700
committerYu-Huan Hsu <yhsu@nvidia.com>2010-09-22 12:20:56 -0700
commitcc8ecb06787b3a5e5456e616a0ccef668fcaa844 (patch)
tree543c0fd6ab75aef2aa04837f79b0dad1ecc1092f /drivers
parent2279f9635a4914534e220285f377a292a9ad9d83 (diff)
[ARM/tegra] nvhost: Reduced ACM timeout.
Reduced ACM timeout to 2ms (from 1sec). This is necessary to detect host / 3D idle under frequent activity bursts. Bug 735111 Bug 726052 (cherry picked from commit 1ff7aa46f02f61f070ae41abd8e0a36d4a4f1f3d) Change-Id: I711286925776c2955f7c43acae0cb8b2c1763e4a Reviewed-on: http://git-master.nvidia.com/r/7007 Tested-by: Aleksandr Frid <afrid@nvidia.com> Reviewed-by: Niranjan Wartikar <nwartikar@nvidia.com> Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/tegra/host/nvhost_acm.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/video/tegra/host/nvhost_acm.c b/drivers/video/tegra/host/nvhost_acm.c
index 4628306c02a8..adb7ae2c6da3 100644
--- a/drivers/video/tegra/host/nvhost_acm.c
+++ b/drivers/video/tegra/host/nvhost_acm.c
@@ -26,7 +26,7 @@
#include <linux/err.h>
#include <linux/device.h>
-#define ACM_TIMEOUT 1*HZ
+#define ACM_TIMEOUT_MSEC 2
void nvhost_module_busy(struct nvhost_module *mod)
{
@@ -70,7 +70,8 @@ void nvhost_module_idle_mult(struct nvhost_module *mod, int refs)
mutex_lock(&mod->lock);
if (atomic_sub_return(refs, &mod->refcount) == 0) {
BUG_ON(!mod->powered);
- schedule_delayed_work(&mod->powerdown, ACM_TIMEOUT);
+ schedule_delayed_work(
+ &mod->powerdown, msecs_to_jiffies(ACM_TIMEOUT_MSEC));
kick = true;
}
mutex_unlock(&mod->lock);