[PATCH 1/2] drm/radeon: Only enable and handle pageflip interrupts when needed

[Michel Dänzer]

On 27.06.2014 11:06, Dieter Nützel wrote:
> Am 27.06.2014 03:03, schrieb Michel Dänzer:
>> 
>> The question is, can you reproduce the panic or the 'impossible msc'
>> lines in the Xorg log with only patch #2?
> 
> Here we go (the 'new' #2 alone):
> 
> For the panic I need more time.
> But the first 'impossible msc' line arise during X start:
> 
> [    80.271] (II) RADEON(0): Modeline "1680x1050"x0.0  119.00  1680 1728
> 1760 1840  1050 1053 1059 1080 +hsync -vsync (64.7 kHz e)
> [    80.271] (II) RADEON(0): Modeline "1920x1080"x60.0  172.80  1920
> 2040 2248 2576  1080 1081 1084 1118 -hsync +vsync (67.1 kHz e)
> [   100.246] (WW) RADEON(0): radeon_dri2_flip_event_handler: Pageflip
> completion event has impossible msc 5302 < target_msc 5303
> 
> Some arise with KWin cube effects.

Once you've confirmed patch #2 alone avoids the panic, can you try if
adding patch #1 again avoids the 'impossible msc' lines as well?


-- 
Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer