Radeon X200M device suspend problem

[Michel Dänzer]

On 16/12/16 01:29 AM, Dmitriy Kryuk wrote:
> I have a laptop with a Radeon X200M card in it. I use Radeon DRM driver
> for graphics, and it makes the system hang with display off when trying
> to suspend (either to disk or to RAM). Using /sys/power/pm_test
> interface revealed that it freezes when suspending devices.
> 
> I have tried both Debian repository kernel
> (https://packages.debian.org/stable/linux-image-3.16.0-4-686-pae) and a
> custom-built vanilla 3.18.45 kernel with this driver both built-in and
> included as a module. The problem reproduces the same way. It stops to
> reproduce if I delete the module radeon.ko or otherwise prevent it from
> loading. The problem didn't appear before I started using DRM.
> 
> dmitriy at laptop:~$ dmesg | grep -i radeon
> [   18.520307] [drm] radeon kernel modesetting enabled.
> [   18.521610] radeon 0000:01:05.0: VRAM: 128M 0x0000000078000000 -
> 0x000000007FFFFFFF (128M used)
> [   18.521667] radeon 0000:01:05.0: GTT: 512M 0x0000000080000000 -
> 0x000000009FFFFFFF
> [   18.526251] [drm] radeon: 128M of VRAM memory ready
> [   18.526303] [drm] radeon: 512M of GTT memory ready.
> [   18.558510] [drm] radeon: 1 quad pipes, 1 z pipes initialized.
> [   18.558685] radeon 0000:01:05.0: WB enabled
> [   18.558739] radeon 0000:01:05.0: fence driver on ring 0 use gpu addr
> 0x0000000080000000 and cpu addr 0xf48a6000
> [   18.558896] radeon 0000:01:05.0: radeon: MSI limited to 32-bit
> [   18.558983] [drm] radeon: irq initialized.
> [   18.696262] [drm] radeon: ring at 0x0000000080001000
> [   18.697892] [drm] Radeon Display Connectors
> [   18.736547] radeon 0000:01:05.0: fb0: radeondrmfb frame buffer device
> [   18.736601] radeon 0000:01:05.0: registered panic notifier
> [   18.736660] [drm] Initialized radeon 2.40.0 20080528 for 0000:01:05.0
> on minor 0
> dmitriy at laptop:~$ lspci | grep -i radeon
> 01:05.0 VGA compatible controller: Advanced Micro Devices, Inc.
> [AMD/ATI] RC410M [Mobility Radeon Xpress 200M]
> 
> dmitriy at laptop:~$ lsmod
> Module                  Size  Used by
> fbcon                  42796  71
> bitblit                12545  1 fbcon
> softcursor             12333  1 bitblit
> tileblit               12517  1 fbcon
> ath9k_htc              50765  0
> radeon               1438969  2
> ath9k_common           21530  1 ath9k_htc
> ath9k_hw              369801  2 ath9k_common,ath9k_htc
> ath                    21707  3 ath9k_common,ath9k_htc,ath9k_hw
> cfbfillrect            12474  1 radeon
> cfbimgblt              12335  1 radeon
> cfbcopyarea            12334  1 radeon
> i2c_algo_bit           12640  1 radeon
> drm_kms_helper         71528  1 radeon
> ttm                    67750  1 radeon
> drm                   207864  5 ttm,drm_kms_helper,radeon
> 
> What additional information can I collect and how? What other kernel and
> driver versions can I try to see if the problem is already solved?

Please try a current kernel version; ideally 4.9, but definitely much
newer than 3.18.


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer