[REGRESSION] [SNB] Scaling in VLC 2.2.2 does not work with Linux 4.6-rc2

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Hello!

As I don´t know how much you use or look into the bug tracker, I just ask here 
as well.

Any idea about this one?

Bug 94978 - [SNB] Scaling in VLC 2.2.2 does not work with Linux 4.6-rc2 (edit)
https://bugs.freedesktop.org/show_bug.cgi?id=94978


Paste from report in case you prefer handling by mail:

Yesterday I took more than one hour to persuade my X86_64 Debian GNU/Linux 
Sid/Experimental system to play back a DVD. VLC 2.2.2 on that machine didn´t 
scale the video to the screen size. Also any manual zoom options did not have 
any effect.

After trying a bunch of other media players which have broken DVD menu support 
or other serious issues, I finally rebooted into a 4.5 kernel and there 
scaling in VLC 2.2.2 worked out of the box and we were finally able to watch 
the movie.

martin@merkaba:~> apt-show-versions | egrep "libva-|libva1|va-driver"
i965-va-driver:amd64/sid 1.7.0-1 uptodate
i965-va-driver:i386/sid 1.7.0-1 uptodate
libva-drm1:amd64/sid 1.7.0-1 uptodate
libva-drm1:i386 not installed
libva-glx1:amd64/sid 1.7.0-1 uptodate
libva-glx1:i386 not installed
libva-wayland1:amd64/sid 1.7.0-1 uptodate
libva-wayland1:i386 not installed
libva-x11-1:amd64/sid 1.7.0-1 uptodate
libva-x11-1:i386/sid 1.7.0-1 uptodate
libva1:amd64/sid 1.7.0-1 uptodate
libva1:i386/sid 1.7.0-1 uptodate
va-driver-all:amd64 not installed
va-driver-all:i386/sid 1.7.0-1 uptodate
vdpau-va-driver:amd64 not installed
vdpau-va-driver:i386/sid 0.7.4-4 uptodate

This happened on ThinkPad T520 on internal and external display.

martin@merkaba:~> phoronix-test-suite system-info

Phoronix Test Suite v5.2.1
System Information

Hardware:
Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: LENOVO 
42433WG, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, 
Disk: 300GB INTEL SSDSA2CW30 + 480GB Crucial_CT480M50, Graphics: Intel HD 3000 
(1300MHz), Audio: Conexant CX20590, Monitor: P24T-7 LED, Network: Intel 
82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

Software:
OS: Debian unstable, Kernel: 4.5.0-tp520-btrfstrim+ (x86_64), Desktop: KDE 
Frameworks 5, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, 
OpenGL: 3.3 Mesa 11.1.2, Compiler: GCC 5.3.1 20160409, File-System: btrfs, 
Screen Resolution: 3840x1080

Kernels are both self-compiled. I can attach config if needed.


Hmmm, just found vainfo command, maybe the information in there help:

# vainfo
libva info: VA-API version 0.39.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_39
libva info: va_openDriver() returns 0
vainfo: VA-API version: 0.39 (libva 1.7.0)
vainfo: Driver version: Intel i965 driver for Intel(R) Sandybridge Mobile - 
1.7.0
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointEncSlice
      VAProfileH264High               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointEncSlice
      VAProfileH264StereoHigh         : VAEntrypointVLD
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileNone                   : VAEntrypointVideoProc

Thanks,
-- 
Martin
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