drm/nouveau: fixup fbcon failure paths
Add missing calls, and fix a leak from forgetting to call the unpin function. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Acked-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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198c14a0da
Коммит
1e2bd5f53b
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@ -289,16 +289,13 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
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ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM);
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if (ret) {
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NV_ERROR(drm, "failed to pin fb: %d\n", ret);
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nouveau_bo_ref(NULL, &nvbo);
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goto out;
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goto out_unref;
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}
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ret = nouveau_bo_map(nvbo);
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if (ret) {
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NV_ERROR(drm, "failed to map fb: %d\n", ret);
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nouveau_bo_unpin(nvbo);
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nouveau_bo_ref(NULL, &nvbo);
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goto out;
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goto out_unpin;
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}
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chan = nouveau_nofbaccel ? NULL : drm->channel;
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@ -316,13 +313,14 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
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info = framebuffer_alloc(0, &pdev->dev);
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if (!info) {
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ret = -ENOMEM;
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goto out_unref;
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goto out_unlock;
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}
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ret = fb_alloc_cmap(&info->cmap, 256, 0);
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if (ret) {
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ret = -ENOMEM;
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goto out_unref;
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framebuffer_release(info);
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goto out_unlock;
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}
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info->par = fbcon;
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@ -337,7 +335,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
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fbcon->helper.fbdev = info;
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strcpy(info->fix.id, "nouveaufb");
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if (nouveau_nofbaccel)
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if (!chan)
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info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_DISABLED;
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else
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info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA |
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@ -383,8 +381,14 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
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vga_switcheroo_client_fb_set(dev->pdev, info);
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return 0;
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out_unref:
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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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out_unpin:
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nouveau_bo_unpin(nvbo);
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out_unref:
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nouveau_bo_ref(NULL, &nvbo);
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out:
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return ret;
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}
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@ -413,6 +417,7 @@ nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *fbcon)
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if (nouveau_fb->nvbo) {
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nouveau_bo_unmap(nouveau_fb->nvbo);
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nouveau_bo_vma_del(nouveau_fb->nvbo, &nouveau_fb->vma);
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nouveau_bo_unpin(nouveau_fb->nvbo);
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drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
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nouveau_fb->nvbo = NULL;
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}
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