diff options
| author | Keith Packard <keithp@keithp.com> | 2011-12-26 17:02:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-12-26 21:07:27 -0800 |
| commit | 371de6e4e0042adf4f9b54c414154f57414ddd37 (patch) | |
| tree | 721f3c4697a926a22c81a842afbbc143614ab9c6 /drivers/gpu/drm/i915/intel_display.c | |
| parent | ebbd857e6b9a92c0aff4aacd1b1d2361d888633e (diff) | |
| download | lwn-371de6e4e0042adf4f9b54c414154f57414ddd37.tar.gz lwn-371de6e4e0042adf4f9b54c414154f57414ddd37.zip | |
drm/i915: Disable RC6 on Sandybridge by default
RC6 fails again.
> I found my system freeze mostly during starting up X and KDE. Sometimes it
> works for some minutes, sometimes it freezes immediatly. When the freeze
> happens, everything is dead (even the reset button does not work, I need to
> power cycle).
> I disabled RC6, and my system runs wonderfully.
> The system is a Z68 Pro board with Sandybridge i5-2500K processor, 8
> GB of RAM and UEFI firmware.
Reported-by: Kai Krakow <hurikhan77@gmail.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index d809b038ca88..daa5743ccbd6 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7922,13 +7922,11 @@ static bool intel_enable_rc6(struct drm_device *dev) return 0; /* - * Enable rc6 on Sandybridge if DMA remapping is disabled + * Disable rc6 on Sandybridge */ if (INTEL_INFO(dev)->gen == 6) { - DRM_DEBUG_DRIVER("Sandybridge: intel_iommu_enabled %s -- RC6 %sabled\n", - intel_iommu_enabled ? "true" : "false", - !intel_iommu_enabled ? "en" : "dis"); - return !intel_iommu_enabled; + DRM_DEBUG_DRIVER("Sandybridge: RC6 disabled\n"); + return 0; } DRM_DEBUG_DRIVER("RC6 enabled\n"); return 1; |