diff options
| author | Matthias Hopf <mhopf@suse.de> | 2010-11-19 04:29:57 +0100 |
|---|---|---|
| committer | Owain G. Ainsworth <oga@openbsd.org> | 2011-05-29 21:46:57 +0100 |
| commit | 5613395d3bb3e428e58434d65f0c522fac47facd (patch) | |
| tree | 8a2ee4c1ae136f674953dd0e1facb2a2a5d04d35 | |
| parent | 551fd61380347af023f405071d7a7b3acc24274c (diff) | |
Don't use hardware acceleration on Sandybridge rev 07 hardware or earlier.
This is known to lock up the GPU even with the workaround in place.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=31773
Signed-off-by: Matthias Hopf <mhopf@suse.de>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit c2fac6ca108734dd9566570b15f01cc476fa53dc)
Signed-off-by: Owain G. Ainsworth <oga@openbsd.org>
| -rw-r--r-- | src/intel_driver.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/intel_driver.c b/src/intel_driver.c index e7637003..63278863 100644 --- a/src/intel_driver.c +++ b/src/intel_driver.c @@ -1321,6 +1321,17 @@ static Bool can_accelerate_blt(struct intel_screen_private *intel) return FALSE; } + if (INTEL_INFO(intel)->gen == 60) { + struct pci_device *const device = intel->PciInfo; + + /* Sandybridge rev07 locks up easily, even with the + * BLT ring workaround in place. + * Thus use shadowfb by default. + */ + if (device->revision < 8) + return FALSE; + } + return TRUE; } |