drm/i915: Skip HW reinitialisation on resume if still wedged

[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / i915 / i915_gem.c

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 1304152bd28b88499a152cc2961eb04a383a6a8b..ee2a30422020615f8b37cd6e375ac80411e1872d 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4867,6 +4867,10 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv)
        init_unused_rings(dev_priv);
 
        BUG_ON(!dev_priv->kernel_context);
+       if (i915_terminally_wedged(&dev_priv->gpu_error)) {
+               ret = -EIO;
+               goto out;
+       }
 
        ret = i915_ppgtt_init_hw(dev_priv);
        if (ret) {
@@ -4965,8 +4969,10 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
                 * wedged. But we only want to do this where the GPU is angry,
                 * for all other failure, such as an allocation failure, bail.
                 */
-               DRM_ERROR("Failed to initialize GPU, declaring it wedged\n");
-               i915_gem_set_wedged(dev_priv);
+               if (!i915_terminally_wedged(&dev_priv->gpu_error)) {
+                       DRM_ERROR("Failed to initialize GPU, declaring it wedged\n");
+                       i915_gem_set_wedged(dev_priv);
+               }
                ret = 0;
        }