commit break fullscreen video

commit break fullscreen video

[zaverel]

Hello,

with latest git xf86-video-intel, video work but when i switch to 
fullscreen , i just got a crash of X.
This  with vdr-sxfe (xine-lib) and kodi (xbmc).

Both use vaapi.
Starting vdr-sxfe with xv seem to don't crash but i need vaapi.


After some more test ,it's seem it's commit  "sna/dri2: Only preserve 
back buffers with the same pitch" the faulty.

If i unpatch the commit fullscreen video work again.

See you.

kernel 3.18.3-gentoo
xorg-server-1.16.3-r1
mesa-10.4.2
git xf86-video-intel

Intel Core i3 3220T (Ivy Bridge hd graphics 2500)


lspci -vxxx -s 0:02.0
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd 
Gen Core processor Graphics Controller (rev 09) (prog-if 00 [VGA 
controller])
         DeviceName:  Onboard IGD
         Subsystem: Micro-Star International Co., Ltd. [MSI] Xeon 
E3-1200 v2/3rd Gen Core processor Graphics Controller
         Flags: bus master, fast devsel, latency 0, IRQ 28
         Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
         Memory at e0000000 (64-bit, prefetchable) [size=256M]
         I/O ports at f000 [size=64]
         Expansion ROM at <unassigned> [disabled]
         Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
         Capabilities: [d0] Power Management version 2
         Capabilities: [a4] PCI Advanced Features
         Kernel driver in use: i915
         Kernel modules: i915
00: 86 80 52 01 07 04 90 00 09 00 00 03 00 00 00 00
10: 04 00 80 f7 00 00 00 00 0c 00 00 e0 00 00 00 00
20: 01 f0 00 00 00 00 00 00 00 00 00 00 62 14 11 21
30: 00 00 00 00 90 00 00 00 00 00 00 00 0b 01 00 00
40: 09 00 0c 01 92 80 80 e2 d0 00 50 14 00 00 00 00
50: 41 02 00 00 11 00 00 00 00 00 00 00 01 00 a0 cf
60: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 05 d0 01 00 0c f0 e0 fe 52 41 00 00 00 00 00 00
a0: 00 00 00 00 13 00 06 03 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 01 a4 22 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 09 00 18 90 5a cd

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