[Bug 73378] New: [UVD] uvd cannot enable on my RadeonHD7870

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73378

          Priority: medium
            Bug ID: 73378
          Assignee: dri-devel at lists.freedesktop.org
           Summary: [UVD] uvd cannot enable on my RadeonHD7870
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: at86mouse at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

Created attachment 91631
  --> https://bugs.freedesktop.org/attachment.cgi?id=91631&action=edit
linux-x86_64-full-dmesg

I'm try to play video through vdpau , but vainfo shows no h264 VLD codec
detecting.
libva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 0
libva info: User requested driver 'vdpau'
libva info: Trying to open /usr/lib/dri/vdpau_drv_video.so
libva info: Found init function __vaDriverInit_0_33
libva info: va_openDriver() returns 0
vainfo: VA-API version: 0.34 (libva 1.2.1)
vainfo: Driver version: Splitted-Desktop Systems VDPAU backend for VA-API -
0.7.4
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointVLD

env:
LIBVA_DRIVER_NAME=vdpau
VDPAU_DRIVER=radeonsi

The dmesg show me some ib ring test failed, but i don't know how to going on,
even pass (radeon.dpm=0) to kernel as the same error.
[    5.236963] [drm:radeon_uvd_send_upll_ctlreq] *ERROR* Timeout setting UVD
clocks!
[    5.236972] [drm:uvd_v1_0_ib_test] *ERROR* radeon: failed to raise UVD
clocks (-110).
[    5.236977] [drm:radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on
ring 5 (-110).

And this command result that i don't know what its mean:
root at ArchCC /home/atmouse # radeontool regmatch 0x0718  
0x0718    0x0000001a (26)
root at ArchCC /home/atmouse # radeontool regmatch 0x071c
0x071c    0xc080001c (-1065353188)
root at ArchCC /home/atmouse # radeontool regmatch 0x0720
0x0720    0x3168680e (828925966)

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