diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/fb/sddr3.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/sddr3.c | 47 |
1 files changed, 34 insertions, 13 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/sddr3.c b/drivers/gpu/drm/nouveau/core/subdev/fb/sddr3.c index ebd4cd9c35d9..83949b11833a 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/sddr3.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/sddr3.c @@ -20,9 +20,9 @@ * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs <bskeggs@redhat.com> + * Roy Spliet <rspliet@eclipso.eu> */ -#include <subdev/bios.h> #include "priv.h" struct ramxlat { @@ -69,31 +69,52 @@ ramddr3_cwl[] = { int nouveau_sddr3_calc(struct nouveau_ram *ram) { - struct nouveau_bios *bios = nouveau_bios(ram); - int WL, CL, WR; + int CWL, CL, WR, DLL = 0, ODT = 0; - switch (!!ram->timing.data * ram->timing.version) { + switch (ram->next->bios.timing_ver) { + case 0x10: + if (ram->next->bios.timing_hdr < 0x17) { + /* XXX: NV50: Get CWL from the timing register */ + return -ENOSYS; + } + CWL = ram->next->bios.timing_10_CWL; + CL = ram->next->bios.timing_10_CL; + WR = ram->next->bios.timing_10_WR; + DLL = !ram->next->bios.ramcfg_10_02_40; + ODT = ram->next->bios.timing_10_ODT; + break; case 0x20: - WL = (nv_ro16(bios, ram->timing.data + 0x04) & 0x0f80) >> 7; - CL = nv_ro08(bios, ram->timing.data + 0x04) & 0x1f; - WR = nv_ro08(bios, ram->timing.data + 0x0a) & 0x7f; + CWL = (ram->next->bios.timing[1] & 0x00000f80) >> 7; + CL = (ram->next->bios.timing[1] & 0x0000001f) >> 0; + WR = (ram->next->bios.timing[2] & 0x007f0000) >> 16; + /* XXX: Get these values from the VBIOS instead */ + DLL = !(ram->mr[1] & 0x1); + ODT = (ram->mr[1] & 0x004) >> 2 | + (ram->mr[1] & 0x040) >> 5 | + (ram->mr[1] & 0x200) >> 7; break; default: return -ENOSYS; } - WL = ramxlat(ramddr3_cwl, WL); - CL = ramxlat(ramddr3_cl, CL); - WR = ramxlat(ramddr3_wr, WR); - if (WL < 0 || CL < 0 || WR < 0) + CWL = ramxlat(ramddr3_cwl, CWL); + CL = ramxlat(ramddr3_cl, CL); + WR = ramxlat(ramddr3_wr, WR); + if (CL < 0 || CWL < 0 || WR < 0) return -EINVAL; - ram->mr[0] &= ~0xe74; + ram->mr[0] &= ~0xf74; ram->mr[0] |= (WR & 0x07) << 9; ram->mr[0] |= (CL & 0x0e) << 3; ram->mr[0] |= (CL & 0x01) << 2; + ram->mr[1] &= ~0x245; + ram->mr[1] |= (ODT & 0x1) << 2; + ram->mr[1] |= (ODT & 0x2) << 5; + ram->mr[1] |= (ODT & 0x4) << 7; + ram->mr[1] |= !DLL; + ram->mr[2] &= ~0x038; - ram->mr[2] |= (WL & 0x07) << 3; + ram->mr[2] |= (CWL & 0x07) << 3; return 0; } |