Radeon driver with FC20 latest kernel update

[poma]

On 20.01.2015 14:44, Andrew R Paterson wrote:
> On Tuesday 20 January 2015 14:31:32 poma wrote:
>> On 20.01.2015 12:52, Andrew R Paterson wrote:
>>> Hi,
>>> I am running fedora 20 X86_64
>>>
>>> I have an Intel Processor:
>>> Intel(R) Core(TM)2 Quad CPU Q6700 @ 2.66GHz.
>>>
>>> I have an AMD radeon based GPU card :
>>> Advanced Micro Devices, Inc. [AMD/ATI] RV535 [Radeon X1650 PRO]
>>> (Secondary)
>>> (rev 9e)
>>>
>>> I have two monitors :
>>> ACER Technolgies – on DVI-0 (1920x1080)
>>> Viewsonic Corporation on DVI-1 (1920x1200)
>>>
>>> They are (were!) driven by the radeon module :
>>>
>>> lsmod :-
>>> .....
>>> radeon 1496040 2
>>> .....
>>> i2c_algo_bit 13257 1 radeon
>>> .....
>>> drm_kms_helper 	89555 1 radeon
>>> ttm 				80807 1 radeon
>>> .....
>>> drm 				296901 5 ttm,drm_kms_helper,radeon
>>>
>>>
>>> /var/log/messages shows:
>>>
>>> radeon 0000:01:00.0: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF
>>> (512M used)
>>> radeon 0000:01:00.0: GTT: 512M 0x0000000020000000 - 0x000000003FFFFFFF
>>> [drm] Detected VRAM RAM=512M, BAR=256M
>>> [drm] RAM width 128bits DDR
>>>
>>> X server log shows:
>>>
>>> [ 88.037] (II) Loader magic: 0x80dd00
>>> [ 88.037] (II) Module ABI versions:
>>> [ 88.037] X.Org ANSI C Emulation: 0.4
>>> [ 88.037] X.Org Video Driver: 14.1
>>> [ 88.037] X.Org XInput driver : 19.2
>>> [ 88.037] X.Org Server Extension : 7.0
>>> [ 88.037] (II) xfree86: Adding drm device (/dev/dri/card0)
>>> [ 88.040] (--) PCI:*(0:1:0:0) 1002:71c1:174b:0840 rev 158, Mem @
>>> 0xd0000000/268435456, 0xfdaf0000/65536, I/O @ 0x0000ae00/256, BIOS @
>>> 0x????????/131072
>>> [ 88.040] (--) PCI: (0:1:0:1) 1002:71e1:174b:0841 rev 158, Mem @
>>> 0xfdae0000/65536, BIOS @ 0x????????/65536
>>> ....
>>> ....
>>> [ 88.058] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
>>> [ 88.058] (II) FBDEV: driver for framebuffer: fbdev
>>> [ 88.058] (II) VESA: driver for VESA chipsets: vesa
>>> [ 88.058] (++) using VT number 1
>>> .....
>>> .....
>>> [ 88.059] (II) [KMS] Kernel modesetting enabled.
>>> [ 88.059] (WW) Falling back to old probe method for modesetting
>>> [ 88.059] (WW) Falling back to old probe method for fbdev
>>> [ 88.059] (II) Loading sub module "fbdevhw"
>>> [ 88.059] (II) LoadModule: "fbdevhw"
>>> [ 88.059] (II) Loading /usr/lib64/xorg/modules/libfbdevhw.so
>>> [ 88.060] (II) Module fbdevhw: vendor="X.Org Foundation"
>>> [ 88.060] compiled for 1.14.4, module version = 0.0.2
>>> [ 88.060] ABI class: X.Org Video Driver, version 14.1
>>> [ 88.060] (WW) Falling back to old probe method for vesa
>>> [ 88.060] (II) RADEON(0): Creating default Display subsection in Screen
>>> section
>>> "Default Screen Section" for depth/fbbpp 24/32
>>> [ 88.060] (==) RADEON(0): Depth 24, (--) framebuffer bpp 32
>>> [ 88.060] (II) RADEON(0): Pixel depth = 24 bits stored in 4 bytes (32 bpp
>>> pixmaps)
>>> [ 88.060] (==) RADEON(0): Default visual is TrueColor
>>> [ 88.060] (==) RADEON(0): RGB weight 888
>>> [ 88.060] (II) RADEON(0): Using 8 bits per RGB (8 bit DAC)
>>> [ 88.060] (--) RADEON(0): Chipset: "ATI Radeon X1650" (ChipID = 0x71c1)
>>> .....
>>> ________________________________________________
>>> All worked well up to kernel 3.17.7-200.fc20.x86_64.
>>> ________________________________________________
>>>
>>> The recent update to kernel 3.17.8-200.fc20.x86_64
>>> results in radeon.ko failing to load.
>>>
>>> /var/log/messages shows:
>>>
>>> [drm:radeon_init] *ERROR* No UMS support in radeon module!
>>>
>>> %modrpobe radeon gives same message.
>>>
>>> My monitors are then in low res mirorred mode (ugh!)
>>>
>>> X server log shows:
>>> ....
>>> [ 13345.844] (II) Loader magic: 0x80dd00
>>> [ 13345.844] (II) Module ABI versions:
>>> [ 13345.844] X.Org ANSI C Emulation: 0.4
>>> [ 13345.844] X.Org Video Driver: 14.1
>>> [ 13345.844] X.Org XInput driver : 19.2
>>> [ 13345.844] X.Org Server Extension : 7.0
>>> [ 13345.844] (II) xfree86: Adding drm device (/dev/dri/card0)
>>> [ 13345.844] setversion 1.4 failed
>>> [ 13345.848] (--) PCI:*(0:1:0:0) 1002:71c1:174b:0840 rev 158, Mem @
>>> 0xd0000000/268435456, 0xfdaf0000/65536, I/O @ 0x0000ae00/256, BIOS @
>>> 0x????????/131072
>>> [ 13345.848] (--) PCI: (0:1:0:1) 1002:71e1:174b:0841 rev 158, Mem @
>>> 0xfdae0000/65536, BIOS @ 0x????????/65536
>>> .......
>>>
>>> I understand UMS is User ModeSetting – which according to a quick browse
>>> of
>>> the source for the radeon module means CONFIG_DRM_RADEON_UMS is not set.
>>> Then I came across comments to the effect that this has been deprecated (a
>>> mysterious word akin to legal-speak!) presumably replaced by KMS.
>>>
>>> Has anybody got any clues how I can get the radeon driver loading and
>>> working again?
>>> Or even if its a bug whether it will soon be fixed?
>>>
>>> Many Thanks
>>>
>>> Andy
>>
>> $ grep modeset /etc/modprobe.d/* /proc/cmdline
> 
> Hi poma,
> 
> grep modeset /etc/modprobe.d/* =
> /etc/modprobe.d/radeon-kms.conf:options radeon modeset=0
> 
> grep modeset /proc/cmdline =
> nothing!
> 
> Thanks
> 

# sed -i s/0/1/ /etc/modprobe.d/radeon-kms.conf