Hi Samuel !
On Sun, Sep 4, 2016 at 11:07 PM, Samuel Thibault <sthiba...@debian.org> wrote:
> Hello,
>
> Mathieu Malaterre, on Sat 03 Sep 2016 16:00:15 +0200, wrote:
>> Some more information. I do not believe this is a 'simple' missing
>> byteswap operation in bterm source code.
>>
>> During debian-installer if I boot using:
>>
>> > install32
>>
>> I can observe the red/blue inversion (using an OFFb fb)
>>
>> Now if I do:
>>
>> > install32 video=offb:off
>>
>> I *cannot* observe the red/blue inversion (using a radeonfb fb).
> [...]
>> So there is something very subbtle (at least to me) that makes bterm
>> have a different behavior in OFFb vs radeonfb cases.
>
> Could you run the attached test in both cases?
$ gcc -o t test.c
Leads to:
$ more test.offb.txt test.radeonfb.txt
::::::::::::::
test.offb.txt
::::::::::::::
0 0 3
::::::::::::::
test.radeonfb.txt
::::::::::::::
0 0 3
I am also including the output of fbset -i in both cases as well:
$ more fbset.offb.txt fbset.radeonfb.txt
::::::::::::::
fbset.offb.txt
::::::::::::::
mode "800x600-186"
# D: 100.000 MHz, H: 119.048 kHz, V: 186.012 Hz
geometry 800 600 800 600 8
timings 10000 16 16 16 16 8 8
rgba 8/0,8/0,8/0,0/0
endmode
Frame buffer device information:
Name : OFfb ATY,RockHo
Address : 0x9c008000
Size : 614400
Type : PACKED PIXELS
Visual : PSEUDOCOLOR
XPanStep : 0
YPanStep : 0
YWrapStep : 0
LineLength : 1024
Accelerator : No
::::::::::::::
fbset.radeonfb.txt
::::::::::::::
mode "1680x1050-60"
# D: 146.263 MHz, H: 65.296 kHz, V: 59.960 Hz
geometry 1680 1050 1680 1050 8
timings 6837 280 104 30 3 176 6
hsync high
rgba 8/0,8/0,8/0,0/0
endmode
Frame buffer device information:
Name : ATI Radeon 5962
Address : 0x98000000
Size : 33554432
Type : PACKED PIXELS
Visual : PSEUDOCOLOR
XPanStep : 8
YPanStep : 1
YWrapStep : 0
LineLength : 1728
MMIO Address: 0x90000000
MMIO Size : 16384
Accelerator : ATI Radeon family
Thanks !
