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drm/nouveau: require explicit unmap of kmapped bos

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-08-27 13:04:41 +10:00
parent e694438d2f
commit 9d59e8a1fc
5 changed files with 7 additions and 3 deletions
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5
drivers/gpu/drm/nouveau/nouveau_bo.c
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@ -58,8 +58,6 @@ nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
struct drm_device *dev = dev_priv->dev;
struct nouveau_bo *nvbo = nouveau_bo(bo);
ttm_bo_kunmap(&nvbo->kmap);
if (unlikely(nvbo->gem))
DRM_ERROR("bo %p still attached to GEM object\n", bo);
@ -305,7 +303,8 @@ nouveau_bo_map(struct nouveau_bo *nvbo)
void
nouveau_bo_unmap(struct nouveau_bo *nvbo)
{
ttm_bo_kunmap(&nvbo->kmap);
if (nvbo)
ttm_bo_kunmap(&nvbo->kmap);
}
u16

1
drivers/gpu/drm/nouveau/nouveau_channel.c
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@ -310,6 +310,7 @@ nouveau_channel_free(struct nouveau_channel *chan)
/* Release the channel's resources */
nouveau_gpuobj_ref_del(dev, &chan->pushbuf);
if (chan->pushbuf_bo) {
nouveau_bo_unmap(chan->pushbuf_bo);
nouveau_bo_unpin(chan->pushbuf_bo);
nouveau_bo_ref(NULL, &chan->pushbuf_bo);
}

1
drivers/gpu/drm/nouveau/nv04_crtc.c
View File

@ -718,6 +718,7 @@ static void nv_crtc_destroy(struct drm_crtc *crtc)
drm_crtc_cleanup(crtc);
nouveau_bo_unmap(nv_crtc->cursor.nvbo);
nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
kfree(nv_crtc);
}

2
drivers/gpu/drm/nouveau/nv50_crtc.c
View File

@ -338,7 +338,9 @@ nv50_crtc_destroy(struct drm_crtc *crtc)
nv50_cursor_fini(nv_crtc);
nouveau_bo_unmap(nv_crtc->lut.nvbo);
nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
nouveau_bo_unmap(nv_crtc->cursor.nvbo);
nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
kfree(nv_crtc->mode);
kfree(nv_crtc);

1
drivers/gpu/drm/nouveau/nv50_display.c
View File

@ -42,6 +42,7 @@ nv50_evo_channel_del(struct nouveau_channel **pchan)
*pchan = NULL;
nouveau_gpuobj_channel_takedown(chan);
nouveau_bo_unmap(chan->pushbuf_bo);
nouveau_bo_ref(NULL, &chan->pushbuf_bo);
if (chan->user)