33 nvkm_pcie_speed(enum pci_bus_speed speed)  in nvkm_pcie_speed()  argument
35 	switch (speed) {  in nvkm_pcie_speed()
44 		if (speed == 0x17)  in nvkm_pcie_speed()
46 		return -1;  in nvkm_pcie_speed()
53 	if (!pci->func->pcie.version)  in nvkm_pcie_get_version()
54 		return -ENOSYS;  in nvkm_pcie_get_version()
56 	return pci->func->pcie.version(pci);  in nvkm_pcie_get_version()
62 	if (!pci->func->pcie.version_supported)  in nvkm_pcie_get_max_version()
63 		return -ENOSYS;  in nvkm_pcie_get_max_version()
65 	return pci->func->pcie.version_supported(pci);  in nvkm_pcie_get_max_version()
71 	if (!pci->func->pcie.set_version)  in nvkm_pcie_set_version()
72 		return -ENOSYS;  in nvkm_pcie_set_version()
74 	nvkm_trace(&pci->subdev, "set to version %i\n", version);  in nvkm_pcie_set_version()
75 	pci->func->pcie.set_version(pci, version);  in nvkm_pcie_set_version()
82 	if (pci->func->pcie.max_speed)  in nvkm_pcie_oneinit()
83 		nvkm_debug(&pci->subdev, "pcie max speed: %s\n",  in nvkm_pcie_oneinit()
84 			   nvkm_pcie_speeds[pci->func->pcie.max_speed(pci)]);  in nvkm_pcie_oneinit()
91 	struct nvkm_subdev *subdev = &pci->subdev;  in nvkm_pcie_init()
105 	if (pci->func->pcie.init)  in nvkm_pcie_init()
106 		pci->func->pcie.init(pci);  in nvkm_pcie_init()
108 	if (pci->pcie.speed != -1)  in nvkm_pcie_init()
109 		nvkm_pcie_set_link(pci, pci->pcie.speed, pci->pcie.width);  in nvkm_pcie_init()
115 nvkm_pcie_set_link(struct nvkm_pci *pci, enum nvkm_pcie_speed speed, u8 width)  in nvkm_pcie_set_link()  argument
121 	if (!pci || !pci_is_pcie(pci->pdev))  in nvkm_pcie_set_link()
124 	if (!pci->func->pcie.set_link)  in nvkm_pcie_set_link()
125 		return -ENOSYS;  in nvkm_pcie_set_link()
127 	subdev = &pci->subdev;  in nvkm_pcie_set_link()
128 	nvkm_trace(subdev, "requested %s\n", nvkm_pcie_speeds[speed]);  in nvkm_pcie_set_link()
130 	if (pci->func->pcie.version(pci) < 2) {  in nvkm_pcie_set_link()
132 		return -ENODEV;  in nvkm_pcie_set_link()
135 	cur_speed = pci->func->pcie.cur_speed(pci);  in nvkm_pcie_set_link()
136 	max_speed = min(nvkm_pcie_speed(pci->pdev->bus->max_bus_speed),  in nvkm_pcie_set_link()
137 			pci->func->pcie.max_speed(pci));  in nvkm_pcie_set_link()
139 	nvkm_trace(subdev, "current speed: %s\n", nvkm_pcie_speeds[cur_speed]);  in nvkm_pcie_set_link()
141 	if (speed > max_speed) {  in nvkm_pcie_set_link()
143 			   "requested speed to %s", nvkm_pcie_speeds[speed],  in nvkm_pcie_set_link()
145 		speed = max_speed;  in nvkm_pcie_set_link()
148 	pci->pcie.speed = speed;  in nvkm_pcie_set_link()
149 	pci->pcie.width = width;  in nvkm_pcie_set_link()
151 	if (speed == cur_speed) {  in nvkm_pcie_set_link()
152 		nvkm_debug(subdev, "requested matches current speed\n");  in nvkm_pcie_set_link()
153 		return speed;  in nvkm_pcie_set_link()
157 		   nvkm_pcie_speeds[speed], width);  in nvkm_pcie_set_link()
159 	ret = pci->func->pcie.set_link(pci, speed, width);  in nvkm_pcie_set_link()