Hello Alex and Mike, I will look into this and get back to you.<div>Thank you for the prompt reply,</div><div>-Bala S<br><br><div class="gmail_quote">On Wed, Apr 4, 2012 at 6:31 PM, Alex Deucher <span dir="ltr"><<a href="mailto:alexdeucher@gmail.com">alexdeucher@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">2012/4/4 Balasubramanian S <<a href="mailto:sparani@gmail.com">sparani@gmail.com</a>>:<br>
<div class="im">> Hello Mike, I am looking for the implementation details. Could you please<br>
> let m know where can I find them. My understanding on suspend is that all<br>
> the ongoing I/O request needs to be stopped and new I/O request should not<br>
> be processed. Correct me if I am wrong.<br>
><br>
<br>
</div>Take a look at the kernel source:<br>
<a href="http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=tree;f=drivers/gpu/drm/radeon;h=7ba043b079bdbbcbc1a06a761daecae0745ef9e8;hb=HEAD" target="_blank">http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=tree;f=drivers/gpu/drm/radeon;h=7ba043b079bdbbcbc1a06a761daecae0745ef9e8;hb=HEAD</a><br>
The main suspend and resume entry points are in radeon_device.c<br>
(radeon_suspend_kms() and radeon_resume_kms()).<br>
<br>
Alex<br>
<div class="im"><br>
> Thanks, -Bala S<br>
><br>
> 2012/4/3 Michel Dänzer <<a href="mailto:michel@daenzer.net">michel@daenzer.net</a>><br>
>><br>
>> On Die, 2012-04-03 at 09:30 +0530, Balasubramanian S wrote:<br>
>> > Which talks about the suspend and resume of graphics card, which will<br>
>> > reduce the shutdown time during the reboot. I would like to know if<br>
>> > this changes are made and submitted in xrog.<br>
>><br>
>> Yes, suspend/resume generally works with current X and kernel drivers.<br>
>><br>
>> --<br>
>> Earthling Michel Dänzer | <a href="http://www.amd.com" target="_blank">http://www.amd.com</a><br>
>> Libre software enthusiast | Debian, X and DRI developer<br>
><br>
><br>
><br>
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</blockquote></div><br></div>