drm/nouveau/fifo/gk208-: write pbdma timeout regs during initialisation

Signed-off-by: NBen Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c

@@ -962,6 +962,9 @@ gk104_fifo_init(struct nvkm_fifo *base)
 
 	nvkm_wr32(device, 0x002254, 0x10000000 | fifo->user.bar->addr >> 12);
 
+	if (fifo->func->init_pbdma_timeout)
+		fifo->func->init_pbdma_timeout(fifo);
+
 	nvkm_wr32(device, 0x002100, 0xffffffff);
 	nvkm_wr32(device, 0x002140, 0x7fffffff);
 }

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h

@@ -45,6 +45,8 @@ struct gk104_fifo {
 };
 
 struct gk104_fifo_func {
+	void (*init_pbdma_timeout)(struct gk104_fifo *);
+
 	struct {
 		const struct nvkm_enum *access;
 		const struct nvkm_enum *engine;
@@ -87,6 +89,8 @@ extern const struct gk104_fifo_runlist_func gk110_fifo_runlist;
 void gk110_fifo_runlist_cgrp(struct nvkm_fifo_cgrp *,
 			     struct nvkm_memory *, u32);
 
+void gk208_fifo_init_pbdma_timeout(struct gk104_fifo *);
+
 extern const struct nvkm_enum gm107_fifo_fault_engine[];
 extern const struct nvkm_enum gp100_fifo_fault_engine[];
 #endif

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c

@@ -26,8 +26,19 @@
 
 #include <nvif/class.h>
 
+void
+gk208_fifo_init_pbdma_timeout(struct gk104_fifo *fifo)
+{
+	struct nvkm_device *device = fifo->base.engine.subdev.device;
+	int i;
+
+	for (i = 0; i < fifo->pbdma_nr; i++)
+		nvkm_wr32(device, 0x04012c + (i * 0x2000), 0x0000ffff);
+}
+
 static const struct gk104_fifo_func
 gk208_fifo = {
+	.init_pbdma_timeout = gk208_fifo_init_pbdma_timeout,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gk104_fifo_fault_engine,
 	.fault.reason = gk104_fifo_fault_reason,

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk20a.c

@@ -26,6 +26,7 @@
 
 static const struct gk104_fifo_func
 gk20a_fifo = {
+	.init_pbdma_timeout = gk208_fifo_init_pbdma_timeout,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gk104_fifo_fault_engine,
 	.fault.reason = gk104_fifo_fault_reason,

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c

@@ -51,6 +51,7 @@ gm107_fifo_fault_engine[] = {
 
 static const struct gk104_fifo_func
 gm107_fifo = {
+	.init_pbdma_timeout = gk208_fifo_init_pbdma_timeout,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gm107_fifo_fault_engine,
 	.fault.reason = gk104_fifo_fault_reason,

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c

@@ -28,6 +28,7 @@
 
 static const struct gk104_fifo_func
 gm200_fifo = {
+	.init_pbdma_timeout = gk208_fifo_init_pbdma_timeout,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gm107_fifo_fault_engine,
 	.fault.reason = gk104_fifo_fault_reason,

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c

@@ -26,6 +26,7 @@
 
 static const struct gk104_fifo_func
 gm20b_fifo = {
+	.init_pbdma_timeout = gk208_fifo_init_pbdma_timeout,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gm107_fifo_fault_engine,
 	.fault.reason = gk104_fifo_fault_reason,

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c

@@ -52,6 +52,7 @@ gp100_fifo_fault_engine[] = {
 
 static const struct gk104_fifo_func
 gp100_fifo = {
+	.init_pbdma_timeout = gk208_fifo_init_pbdma_timeout,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gp100_fifo_fault_engine,
 	.fault.reason = gk104_fifo_fault_reason,

drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c

@@ -26,6 +26,7 @@
 
 static const struct gk104_fifo_func
 gp10b_fifo = {
+	.init_pbdma_timeout = gk208_fifo_init_pbdma_timeout,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gp100_fifo_fault_engine,
 	.fault.reason = gk104_fifo_fault_reason,