diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c index aa7e33b42b30..636bfb665bb9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c @@ -24,6 +24,7 @@ #include <subdev/bios.h> #include <subdev/bios/bit.h> #include <subdev/bios/perf.h> +#include <subdev/pci.h> u16 nvbios_perf_table(struct nvkm_bios *bios, u8 *ver, u8 *hdr, @@ -145,6 +146,21 @@ nvbios_perfEp(struct nvkm_bios *bios, int idx, break; case 0x40: info->voltage = nvbios_rd08(bios, perf + 0x02); + switch (nvbios_rd08(bios, perf + 0xb) & 0x3) { + case 0: + info->pcie_speed = NVKM_PCIE_SPEED_5_0; + break; + case 3: + case 1: + info->pcie_speed = NVKM_PCIE_SPEED_2_5; + break; + case 2: + info->pcie_speed = NVKM_PCIE_SPEED_8_0; + break; + default: + break; + } + info->pcie_width = 0xff; break; default: return 0x0000; |