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Commit 9962cc6e authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/gr: disable fifo access and idle before suspend ctx unload 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 6c320fef

drivers/gpu/drm/nouveau/nv04_graph.c

+5 −0
Original line number Diff line number Diff line
@@ -540,6 +540,11 @@ nv04_graph_init(struct drm_device *dev, int engine) 
static int

nv04_graph_fini(struct drm_device *dev, int engine, bool suspend)

{

	nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);

	if (!nv_wait(dev, NV04_PGRAPH_STATUS, ~0, 0) && suspend) {

		nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);

		return -EBUSY;

	}

	nv04_graph_unload_context(dev);

	nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0x00000000);

	return 0;

drivers/gpu/drm/nouveau/nv10_graph.c

+5 −0
Original line number Diff line number Diff line
@@ -959,6 +959,11 @@ nv10_graph_init(struct drm_device *dev, int engine) 
static int

nv10_graph_fini(struct drm_device *dev, int engine, bool suspend)

{

	nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);

	if (!nv_wait(dev, NV04_PGRAPH_STATUS, ~0, 0) && suspend) {

		nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);

		return -EBUSY;

	}

	nv10_graph_unload_context(dev);

	nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0x00000000);

	return 0;

drivers/gpu/drm/nouveau/nv20_graph.c

+5 −0
Original line number Diff line number Diff line
@@ -656,6 +656,11 @@ nv30_graph_init(struct drm_device *dev, int engine) 
int

nv20_graph_fini(struct drm_device *dev, int engine, bool suspend)

{

	nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);

	if (!nv_wait(dev, NV04_PGRAPH_STATUS, ~0, 0) && suspend) {

		nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);

		return -EBUSY;

	}

	nv20_graph_unload_context(dev);

	nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0x00000000);

	return 0;

drivers/gpu/drm/nouveau/nv50_graph.c

+5 −0
Original line number Diff line number Diff line
@@ -256,6 +256,11 @@ nv50_graph_init(struct drm_device *dev, int engine) 
static int

nv50_graph_fini(struct drm_device *dev, int engine, bool suspend)

{

	nv_mask(dev, 0x400500, 0x00010001, 0x00000000);

	if (!nv_wait(dev, 0x400700, ~0, 0) && suspend) {

		nv_mask(dev, 0x400500, 0x00010001, 0x00010001);

		return -EBUSY;

	}

	nv50_graph_unload_context(dev);

	nv_wr32(dev, 0x40013c, 0x00000000);

	return 0;