Re: 2 more fbcon rotation bugs

["Antonino A. Daplas" <adaplas@gmail.com>]

Knut Petersen wrote:
> Antonino A. Daplas schrieb:
> 
>>> For rotation values of 1 and 3 in combination with unusual font heights
>>> there are
>>> serious cursor problems:
>>>   
>> This one I cannot reproduce. Have you tried reproducing it with vesafb?
>> Any message in the log, such as a kernel oops?  Your description sounds
>> like a corruption of cursor->mask and cursor->image.data.
>>  
>>
> 
> I tried to reproduce it with vesafb ... vesafb does not show this bug.
> Reproducability with cyblafb
> is 100%. But cyblafb does not provide cursor functions, so both really
> should show the same
> behaviour, shouldn´t they? 

soft_cursor is just a wrapper to fb_imageblit, so behavior will depend
on the drivers implementation.

No messages in the log, no oops, no side
> effects. Screen is restored
> to the correct display if the gpm mouse cursor or the normal cursor is
> moved to the wrong character
> cell.
> 
> New bug: Vesafb & rotation does show a bug that is not present using
> cyblafb & rotation and the 16x30
> bitstream font: When I start my favourite text editor sedt, the top row
> is coloured and contains some
> status information. Line two is in a different colour. Those areas of
> line 1 drawn with the bitblit
> functions are ok, but those areas drawn with the fillrect function are
> not completely coloured, the last
> (maybe the 2 last, don´t know) pixel rows of the area that should be
> coloured are still black.

Yes, I think I mentioned this in the changelog, that there might be a 
bug in the generic fillrect.  I haven't looked at it yet.

> 
> Additional bug: I am used to compile vesafb into the kernel and to load
> and remove the cyblafb
> module during the developement process, switching to and from vesafb
> using con2fb. That´s still
> possible with rotation == 0, but it locks the computer if at least one
> framebuffer is set to rotation 1.

Okay, will check on this.

Tony


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