[Bug 70701] With DPM enabled, Radeon 4570 (R710) doesn't remain in Single_Disp state

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=70701

--- Comment #4 from Abhinav K <abhinav.kumar.in at gmail.com> ---
Thanks a lot.

I am seeing these vblank_time values. But everything seems fine with no screen
blanking or screen artifacts. Clocks and temperature is also under control.

[   22.542092] tg3 0000:08:00.0 eth0: Link is up at 100 Mbps, full duplex
[   22.542096] tg3 0000:08:00.0 eth0: Flow control is on for TX and on for RX
[   22.542117] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   24.364133] [drm] vblank_time: 294
[   25.180308] [drm] vblank_time: 294
[ 1337.236122] [drm] vblank_time: 4294967295
[ 1337.340217] [drm] vblank_time: 4294967295
[ 1937.476218] [drm] vblank_time: 294
[ 1938.936214] [drm] vblank_time: 4294967295
[ 2537.836213] [drm] vblank_time: 294
[ 2539.296439] [drm] vblank_time: 4294967295
[ 7282.380994] perf samples too long (2502 > 2500), lowering
kernel.perf_event_max_sample_rate to 50000
[11578.016133] [drm] vblank_time: 294
abhinav at abhinav-Mintk:~ > sudo cat /sys/kernel/debug/dri/64/radeon_pm_info
uvd    vclk: 0 dclk: 0
power level 0    sclk: 22000 mclk: 30000 vddc: 900
abhinav at abhinav-Mintk:~ >

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