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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9471c88d449e..cc484b56eeaa 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3485,6 +3485,13 @@ void intel_prepare_reset(struct drm_i915_private *dev_priv) !gpu_reset_clobbers_display(dev_priv)) return; + /* We have a modeset vs reset deadlock, defensively unbreak it. + * + * FIXME: We can do a _lot_ better, this is just a first iteration. + */ + i915_gem_set_wedged(dev_priv); + DRM_DEBUG_DRIVER("Wedging GPU to avoid deadlocks with pending modeset updates\n"); + /* * Need mode_config.mutex so that we don't * trample ongoing ->detect() and whatnot. |