drm/nouveau: Drop dev->struct_mutex from fbdev init
Doesn't protect anything at all. With this patch nouveau is completely dev->struct_mutex free! Cc: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1459330852-27668-6-git-send-email-daniel.vetter@ffwll.ch
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@ -386,8 +386,6 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
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}
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}
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mutex_lock(&dev->struct_mutex);
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info = drm_fb_helper_alloc_fbi(helper);
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if (IS_ERR(info)) {
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ret = PTR_ERR(info);
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@ -426,8 +424,6 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
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/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
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mutex_unlock(&dev->struct_mutex);
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if (chan)
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nouveau_fbcon_accel_init(dev);
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nouveau_fbcon_zfill(dev, fbcon);
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@ -441,7 +437,6 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
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return 0;
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out_unlock:
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mutex_unlock(&dev->struct_mutex);
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if (chan)
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nouveau_bo_vma_del(nvbo, &fbcon->nouveau_fb.vma);
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nouveau_bo_unmap(nvbo);
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