diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/bios')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/dcb.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c | 16 |
2 files changed, 23 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dcb.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dcb.c index 8304b806f..a8d5d67fe 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dcb.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/dcb.c @@ -143,16 +143,19 @@ dcb_outp_parse(struct nvkm_bios *bios, u8 idx, u8 *ver, u8 *len, switch (outp->type) { case DCB_OUTPUT_DP: switch (conf & 0x00e00000) { - case 0x00000000: + case 0x00000000: /* 1.62 */ outp->dpconf.link_bw = 0x06; break; - case 0x00200000: + case 0x00200000: /* 2.7 */ outp->dpconf.link_bw = 0x0a; break; - case 0x00400000: - default: + case 0x00400000: /* 5.4 */ outp->dpconf.link_bw = 0x14; break; + case 0x00600000: /* 8.1 */ + default: + outp->dpconf.link_bw = 0x1e; + break; } switch ((conf & 0x0f000000) >> 24) { diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/perf.c index aa7e33b42..636bfb665 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; |