diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 55 |
1 files changed, 23 insertions, 32 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index a1a936fd34e..af224501b4e 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -839,37 +839,14 @@ static int gen6_do_reset(struct drm_device *dev) int intel_gpu_reset(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; - int ret = -ENODEV; - switch (INTEL_INFO(dev)->gen) { case 7: - case 6: - ret = gen6_do_reset(dev); - break; - case 5: - ret = ironlake_do_reset(dev); - break; - case 4: - ret = i965_do_reset(dev); - break; - case 2: - ret = i8xx_do_reset(dev); - break; - } - - /* Also reset the gpu hangman. */ - if (dev_priv->gpu_error.stop_rings) { - DRM_INFO("Simulated gpu hang, resetting stop_rings\n"); - dev_priv->gpu_error.stop_rings = 0; - if (ret == -ENODEV) { - DRM_ERROR("Reset not implemented, but ignoring " - "error for simulated gpu hangs\n"); - ret = 0; - } + case 6: return gen6_do_reset(dev); + case 5: return ironlake_do_reset(dev); + case 4: return i965_do_reset(dev); + case 2: return i8xx_do_reset(dev); + default: return -ENODEV; } - - return ret; } /** @@ -890,6 +867,7 @@ int intel_gpu_reset(struct drm_device *dev) int i915_reset(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; + bool simulated; int ret; if (!i915_try_reset) @@ -899,13 +877,26 @@ int i915_reset(struct drm_device *dev) i915_gem_reset(dev); - ret = -ENODEV; - if (get_seconds() - dev_priv->gpu_error.last_reset < 5) + simulated = dev_priv->gpu_error.stop_rings != 0; + + if (!simulated && get_seconds() - dev_priv->gpu_error.last_reset < 5) { DRM_ERROR("GPU hanging too fast, declaring wedged!\n"); - else + ret = -ENODEV; + } else { ret = intel_gpu_reset(dev); - dev_priv->gpu_error.last_reset = get_seconds(); + /* Also reset the gpu hangman. */ + if (simulated) { + DRM_INFO("Simulated gpu hang, resetting stop_rings\n"); + dev_priv->gpu_error.stop_rings = 0; + if (ret == -ENODEV) { + DRM_ERROR("Reset not implemented, but ignoring " + "error for simulated gpu hangs\n"); + ret = 0; + } + } else + dev_priv->gpu_error.last_reset = get_seconds(); + } if (ret) { DRM_ERROR("Failed to reset chip.\n"); mutex_unlock(&dev->struct_mutex); |