diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-11-08 23:17:34 +0000 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2012-06-10 14:42:01 +0100 |
| commit | 7a735af2d50190b6c612509c6dcad1b5aa0be828 (patch) | |
| tree | 4c90527540089e34424211110b16fa5e734703ff /drivers | |
| parent | cf0c2375d258e829777ae648500f6a6eeaecce5d (diff) | |
drm/i915:: Disable FBC on SandyBridge
commit d56d8b28e9247e7e35e02fbb12b12239a2c33ad1 upstream.
Enabling FBC is causing the BLT ring to run between 10-100x slower than
normal and frequently lockup. The interim solution is disable FBC once
more until we know why.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 41bbe78bb59..472039769dd 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1864,7 +1864,7 @@ static void intel_update_fbc(struct drm_device *dev) if (enable_fbc < 0) { DRM_DEBUG_KMS("fbc set to per-chip default\n"); enable_fbc = 1; - if (INTEL_INFO(dev)->gen <= 5) + if (INTEL_INFO(dev)->gen <= 6) enable_fbc = 0; } if (!enable_fbc) { |