To: Dasgupta, Romit ro...@ti.com
Cc: linux-omap@vger.kernel.org
Sent: Friday, November 27, 2009 3:20 PM
Subject: RE: omap3evm: touchscreen delays on pm branch
-Original Message-
From: Dasgupta, Romit Sent: Friday, November 27, 2009 2:38 PM
To: Premi, Sanjeev
Cc: linux-omap
-Original Message-
From: Sriram V [mailto:vshrir...@gmail.com]
Sent: Tuesday, December 01, 2009 3:36 PM
To: V, Hemanth
Cc: Premi, Sanjeev; Dasgupta, Romit; linux-omap@vger.kernel.org
Subject: Re: omap3evm: touchscreen delays on pm branch
Hi,
Have you enabled CPUFREQ? We faced
Selecting performance governors solved the issue.
Nope. No cpufreq. I did notice that CPIO175 was not being set
properly; have made local changes. It is a definite improvement;
but there are still very noticeable delays.
If PER Power domain is entering RET then module wakeups wont work!
Premi, Sanjeev wrote:
Hi,
I am finding the response of touchscreen on the omap3evm very slow.
Here is my test:
On console, I run : watch -n2 cat /proc/interrupts
Then, I tap the touchscreen approximately once per second. However,
(usually) no interrupts are registered. As I increase the
-Original Message-
From: Dasgupta, Romit
Sent: Friday, November 27, 2009 2:10 PM
To: Premi, Sanjeev
Cc: linux-omap@vger.kernel.org
Subject: Re: omap3evm: touchscreen delays on pm branch
Premi, Sanjeev wrote:
Hi,
I am finding the response of touchscreen on the omap3evm very
On Fri, 2009-11-27 at 14:11 +0530, Premi, Sanjeev wrote:
-Original Message-
From: Dasgupta, Romit
Sent: Friday, November 27, 2009 2:10 PM
To: Premi, Sanjeev
Cc: linux-omap@vger.kernel.org
Subject: Re: omap3evm: touchscreen delays on pm branch
Premi, Sanjeev wrote:
Hi
-Original Message-
From: Dasgupta, Romit
Sent: Friday, November 27, 2009 2:38 PM
To: Premi, Sanjeev
Cc: linux-omap@vger.kernel.org
Subject: RE: omap3evm: touchscreen delays on pm branch
On Fri, 2009-11-27 at 14:11 +0530, Premi, Sanjeev wrote:
-Original Message-
From
It is the same driver at SDP3430. I had earlier tried removing
cpuidle altogether and did not see this issue. I too believe that
issue is caused by clocks being going to (auto)idle.
But then, Hemanth should be seeing the same behavior.
Do you see PER powerdomain entering retention?
--
To
- Original Message -
From: Premi, Sanjeev pr...@ti.com
To: Dasgupta, Romit ro...@ti.com
Cc: linux-omap@vger.kernel.org
Sent: Friday, November 27, 2009 3:20 PM
Subject: RE: omap3evm: touchscreen delays on pm branch
-Original Message-
From: Dasgupta, Romit
Sent: Friday
- Original Message -
From: Premi, Sanjeev pr...@ti.com
To: linux-omap@vger.kernel.org
Sent: Thursday, November 26, 2009 10:32 PM
Subject: omap3evm: touchscreen delays on pm branch
Hi,
I am finding the response of touchscreen on the omap3evm very slow.
Here is my test:
On console, I
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