RFC: Bug #4633 (Initial mouse pointer incorrect with EXA)

[Thomas Winischhofer]

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Michel Dänzer wrote:
> On Fri, 2005-11-11 at 16:30 +0000, Alan Hourihane wrote:
> 
>>On Fri, 2005-11-11 at 17:21 +0100, Michel Dänzer wrote:
>>
>>>On Fri, 2005-11-11 at 11:05 +0000, Alan Hourihane wrote:
>>>
>>>>On Fri, 2005-11-11 at 11:51 +0100, Michel Dänzer wrote:
>>>>
>>>>>      * xf86RandRSetMode() might be able to take care of this by calling
>>>>>        something like UnrealizeCursor() before disabling FB access and
>>>>>        RealizeCursor() after re-enabling it.
>>>>
>>>>I think I like this approach best. It'll also cure Thomas' problem with
>>>>the SiS rotation and hw cursor upload.
>>>
>>>Thanks for reminding me of that, and thank you, Ben and Thomas for your
>>>feedback in general. You've convinced me that this is the best of the
>>>three approaches I listed. However, on second though, I think it would
>>>be even better if EnableDisableFBAccess() itself took care of it
>>>implicitly rather than xf86RandRSetMode() explicitly. That should also
>>>remove the need for kludges such as the fix for bug #4951, e.g.
>>>
>>>Do you guys agree? If so, any preferences for the level at which
>>>EnableDisableFBAccess() should do this?
>>
>>I agree that EnableDisableFBAccess is probably the better place to do
>>this too.
> 
> 
> Here's a patch that adds an EnableDisableFBAccess() hook to the ramdac
> module and removes its {Enter,Leave}VT() and SetDGAMode() hooks in
> favour of it. Tested with xrandr, VT switching and dga(1x). Pierre, does
> this fix your issue? Thomas, does this help for HW cursor rotation?
> Other comments?

I'll try it out asap, am quite busy at the moment. I will get back to you.

Thomas

- --
Thomas Winischhofer
Vienna/Austria
thomas AT winischhofer DOT net          http://www.winischhofer.net/

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