[Libva] G45 h264 decoding

[Xiang, Haihao]

You need this kernel patch 
"drm/i915: fix user irq miss in BSD ring on g4x" which has been added to
the 2.6.39-stable tree. 

Thanks
Haihao


> Hi,
> 
> when using the "g45-h264" branch and the vaapi patched mplayer I get
> below 1 FPS and the kernel is printing lots of errors. The used
> Hardware is an Intel GMA 4500MHD, kernel version is 2.6.39.
> 
> -----------
> 
> [14912.064053] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck
> timer elapsed... bsd ring idle [waiting on 148253, at 148253],
> missed IRQ?
> [14912.069323] render error detected, EIR: 0x00000008
> [14912.069330]   IPEIR: 0x00000000
> [14912.069334]   IPEHR: 0x7101000a
> [14912.069338]   INSTDONE: 0xffeffcdf
> [14912.069342]   INSTPS: 0x8001e02d
> [14912.069346]   INSTDONE1: 0xbffffffe
> [14912.069350]   ACTHD: 0x0be7c32c
> [14913.648054] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck
> timer elapsed... bsd ring idle [waiting on 148287, at 148287],
> missed IRQ?
> [14913.653212] render error detected, EIR: 0x00000008
> [14913.653218]   IPEIR: 0x00000000
> [14913.653222]   IPEHR: 0x7101000a
> [14913.653226]   INSTDONE: 0xffeffede
> [14913.653230]   INSTPS: 0x8001e02d
> [14913.653234]   INSTDONE1: 0xbefffffe
> [14913.653238]   ACTHD: 0x0be7c2ac
> [14915.168088] [drm:i915_hangcheck_ring_idle] *ERROR* Hangcheck
> timer elapsed... bsd ring idle [waiting on 148293, at 148293],
> missed IRQ?
> [14915.173971] render error detected, EIR: 0x00000008
> [14915.173978]   IPEIR: 0x00000000
> [14915.173982]   IPEHR: 0x7101000a
> [14915.173986]   INSTDONE: 0xffeffcde
> [14915.173990]   INSTPS: 0x8001e02d
> [14915.173994]   INSTDONE1: 0xbebffffe
> [14915.173998]   ACTHD: 0x074e12ac
> 
> -- Sebastian
> _______________________________________________
> Libva mailing list
> Libva at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/libva