Re: radeonfb vs. Mac Mini

[Valery Ushakov <uwe%stderr.spb.ru@localhost>]

On Thu, Aug 31, 2017 at 14:10:47 -0400, Michael wrote:

> I committed a few changes to radeonfb lately which make it work
> properly on my Mini, with both DVI and VGA output.
> My Mini is the 'silent upgrade' model, PowerMac10,2 as per Open
> Firmware. The DVI port is wired slightly different on first
> generation Minis ( PowerMac10,1 ), I *think* I set it up correctly but
> I have no way to test this.

I have tested it on the early mini with DVI and, unfortunately, it
doesn't seem to work.  The screen is black.

radeonfb0 at pci0 dev 16 function 0found EDID property...
: ATI Technologies Radeon 9200 5962 (rev. 0x01)
radeonfb0: Video BIOS not present
radeonfb0: No video BIOS, using default clocks
radeonfb0: refclk = 27.000 MHz, refdiv = 12 minpll = 125000, maxpll = 400000
radeonfb0: 64 MB aperture at 0x98000000, 64 KB registers at 0x90000000
radeonfb0: display 0: initial virtual resolution 1920x1200 at 8 bpp
radeonfb0: using 32 MB per display
radeonfb0: port 0: physical 1920x1200 60Hz
radeonfb0: port 1: physical 1920x1200 60Hz
wsdisplay0 at radeonfb0 kbdmux 1: console (fb, vt100 emulation)


I figure the relevant OFW nodes are:

ff9cb118: /pci@f0000000/ATY,RockHopper2Parent@10

#address-cells          00000001 ........ ........ ........     1
#size-cells             00000000 ........ ........ ........     0
AGP_Address_Block       10000000 ........ ........ ........   ....
AGP_Address_Range       00000000 ffffffff ........ ........   ........
AGP_Alignment           10000000 ........ ........ ........   ....
AGP_AllowOverlap        00000001 ........ ........ ........   ....
AGP_Master              
ATY,Card#               3130392d 78787878 782d3030 00......   109-xxxxx-00.
ATY,FCODE_MEM           200200ff ........ ........ ........    ...
ATY,Fcode               312e3934 00...... ........ ........   1.94.
ATY,Flags               000001a4 ........ ........ ........   ....
ATY,MCLK                0002e630 ........ ........ ........   ...0
ATY,RefCLK              00006978 ........ ........ ........   ..ix
ATY,Rom#                3131332d 78787878 782d3131 3600....   113-xxxxx-116.
ATY,SCLK                0003d090 ........ ........ ........   ....
R2AD                    5c3e8200 90ff009e 00000000 00000000   \>..............
            0010:       3c280780 08200030 002004b0 04d30003   <(... .0. ......
            0020:       000604b0 07800001 00000000 00000000   ................
            0030:       00000000 00000000 00000000 00000000   ................
VRAM,totalsize          02000000 ........ ........ ........   ....
assigned-addresses      c2008010 00000000 98000000 00000000   ................
            0010:       08000000 82008030 00000000 90020000   .......0........
            0020:       00000000 00020000 82008018 00000000   ................
            0030:       90000000 00000000 00010000 ........   ............
class-code              00030000 ........ ........ ........   ....
device-id               00005962 ........ ........ ........   ..Yb
device_type             4154592c 44445061 72656e74 00......   "ATY,DDParent"
devsel-speed            00000001 ........ ........ ........   ....
fast-back-to-back       
interrupts              00000001 ........ ........ ........   ....
max-latency             00000000 ........ ........ ........   ....
min-grant               00000008 ........ ........ ........   ....
model                   4154592c 52563238 3000.... ........   "ATY,RV280"
name                    4154592c 526f636b 486f7070 65723250   "ATY,RockHopper2P
            0010:       6172656e 7400.... ........ ........   arent"
reg                     00008000 00000000 00000000 00000000   ................
            0010:       00000000 02008030 00000000 00000000   .......0........
            0020:       00000000 00020000 42008010 00000000   ........B.......
            0030:       00000000 00000000 08000000 02008018   ................
            0040:       00000000 00000000 00000000 00010000   ................
revision-id             00000001 ........ ........ ........   ....
subsystem-id            00005962 ........ ........ ........   ..Yb
subsystem-vendor-id     00001002 ........ ........ ........   ....
vendor-id               00001002 ........ ........ ........   ....

--------------------------------------------------------------------------------


ff9d6f98: /pci@f0000000/ATY,RockHopper2Parent@10/ATY,RockHopper2_A@0

EDID                    00ffffff ffffff00 22f01428 00000080   ........"..(....
            0010:       1a130103 80342078 eeb535a5 564a9a25   .....4 x..5.VJ.%
            0020:       105054a5 6b808140 9500a900 b300a940   .PT.k..@.......@
            0030:       8180d100 0101283c 80a070b0 23403020   ......(<..p.#@0 
            0040:       36000644 2100001a 000000fd 00305518   6..D!........0U.
            0050:       5e11000a 20202020 20200000 00fc0048   ^...      .....H
            0060:       50207732 34343868 0a202020 000000ff   P w2448h.   ....
            0070:       00435a51 39323630 30485a0a 2020009e   .CZQ92600HZ.  ..
address                 9c008000 ........ ........ ........   ....
character-set           49534f38 3835392d 3100.... ........   ISO8859-1.
compatible              4154592c 526f636b 486f7070 65723200   "ATY,RockHopper2"
connector-type          00000004 ........ ........ ........   ....
depth                   00000008 ........ ........ ........   ....
device_type             64697370 6c617900 ........ ........   "display"
display-type            4c434400 ........ ........ ........   LCD.
height                  000004b0 ........ ........ ........   ....
iso6429-1983-colors     
linebytes               00000800 ........ ........ ........   ....
name                    4154592c 526f636b 486f7070 6572325f   "ATY,RockHopper2_
            0010:       4100.... ........ ........ ........   A"
reg                     00000000 ........ ........ ........   ....
width                   00000780 ........ ........ ........   ....



PS: Please, can this "found EDID property" in copy_disp_props() be
fixed?

-uwe