29 	return (nvkm_rd32(pci->subdev.device, 0x8c1c0) & 0x4) == 0x4 ? 2 : 1;  in gk104_pcie_version_supported()
33 gk104_pcie_set_cap_speed(struct nvkm_pci *pci, enum nvkm_pcie_speed speed)  in gk104_pcie_set_cap_speed()  argument
35 	struct nvkm_device *device = pci->subdev.device;  in gk104_pcie_set_cap_speed()
37 	switch (speed) {  in gk104_pcie_set_cap_speed()
56 	int speed = gf100_pcie_cap_speed(pci);  in gk104_pcie_cap_speed()  local
58 	if (speed == 0)  in gk104_pcie_cap_speed()
61 	if (speed >= 1) {  in gk104_pcie_cap_speed()
62 		int speed2 = nvkm_rd32(pci->subdev.device, 0x8c1c0) & 0x30000;  in gk104_pcie_cap_speed()
74 	return -EINVAL;  in gk104_pcie_cap_speed()
78 gk104_pcie_set_lnkctl_speed(struct nvkm_pci *pci, enum nvkm_pcie_speed speed)  in gk104_pcie_set_lnkctl_speed()  argument
81 	switch (speed) {  in gk104_pcie_set_lnkctl_speed()
108 	return -1;  in gk104_pcie_lnkctl_speed()
114 	u32 max_speed = nvkm_rd32(pci->subdev.device, 0x8c1c0) & 0x300000;  in gk104_pcie_max_speed()
127 gk104_pcie_set_link_speed(struct nvkm_pci *pci, enum nvkm_pcie_speed speed)  in gk104_pcie_set_link_speed()  argument
129 	struct nvkm_device *device = pci->subdev.device;  in gk104_pcie_set_link_speed()
132 	switch (speed) {  in gk104_pcie_set_link_speed()
153 	struct nvkm_subdev *subdev = &pci->subdev;  in gk104_pcie_init()
163 		nvkm_trace(subdev, "adjusting cap to max speed\n");  in gk104_pcie_init()
167 			nvkm_warn(subdev, "failed to adjust cap speed\n");  in gk104_pcie_init()
171 		nvkm_debug(subdev, "adjusting lnkctl to max speed\n");  in gk104_pcie_init()
175 			nvkm_error(subdev, "failed to adjust lnkctl speed\n");  in gk104_pcie_init()
182 gk104_pcie_set_link(struct nvkm_pci *pci, enum nvkm_pcie_speed speed, u8 width)  in gk104_pcie_set_link()  argument
184 	struct nvkm_subdev *subdev = &pci->subdev;  in gk104_pcie_set_link()
188 	if (speed > lnk_cap_speed) {  in gk104_pcie_set_link()
189 		speed = lnk_cap_speed;  in gk104_pcie_set_link()
190 		nvkm_warn(subdev, "dropping requested speed due too low cap"  in gk104_pcie_set_link()
191 			  " speed\n");  in gk104_pcie_set_link()
194 	if (speed > lnk_ctl_speed) {  in gk104_pcie_set_link()
195 		speed = lnk_ctl_speed;  in gk104_pcie_set_link()
196 		nvkm_warn(subdev, "dropping requested speed due too low"  in gk104_pcie_set_link()
197 			  " lnkctl speed\n");  in gk104_pcie_set_link()
200 	gk104_pcie_set_link_speed(pci, speed);  in gk104_pcie_set_link()