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Commit 9d59e8a1 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau: require explicit unmap of kmapped bos 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent e694438d

drivers/gpu/drm/nouveau/nouveau_bo.c

+2 −3
Original line number Diff line number Diff line
@@ -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);
@@ -305,6 +303,7 @@ nouveau_bo_map(struct nouveau_bo *nvbo) 
void

nouveau_bo_unmap(struct nouveau_bo *nvbo)

{

	if (nvbo)

		ttm_bo_kunmap(&nvbo->kmap);

}

drivers/gpu/drm/nouveau/nouveau_channel.c

+1 −0
Original line number Diff line number Diff line
@@ -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);

	}

drivers/gpu/drm/nouveau/nv04_crtc.c

+1 −0
Original line number Diff line number Diff line
@@ -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);

}

drivers/gpu/drm/nouveau/nv50_crtc.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

drivers/gpu/drm/nouveau/nv50_display.c

+1 −0
Original line number Diff line number Diff line
@@ -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)