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| author |   Roy Spliet <rspliet@eclipso.eu> | 2015-05-23 10:37:47 +0200 |
|---|---|---|
| committer |   Ben Skeggs <bskeggs@redhat.com> | 2015-08-28 12:39:56 +1000 |
| commit | 2813e19f13035e5971b6f4001782135cfc0909e0 (patch) | |
| tree | 8b6c9a7b949e44d7353f3fce091d753f5e185504 | |
| parent | drm/nouveau/fb/ramnv50: Ressurect timing code, use proper timing/rammap handlers (diff) | |
| download | linux-dev-2813e19f13035e5971b6f4001782135cfc0909e0.tar.xz linux-dev-2813e19f13035e5971b6f4001782135cfc0909e0.zip | |
drm/nouveau/bios/rammap: Parse perf mode as if it's a rammap entry
Some of the bits in there are similar to the bits in the gt215 rammap.
Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
4 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h index f09b6bf69098..26e233a7b4d4 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h @@ -7,6 +7,11 @@ struct nvbios_ramcfg { unsigned rammap_max; union { struct { + unsigned rammap_00_16_20:1; + unsigned rammap_00_16_40:1; + unsigned rammap_00_17_02:1; + }; + struct { unsigned rammap_10_04_02:1; unsigned rammap_10_04_08:1; }; diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h index 2044fc911ceb..8d8ee13721ec 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h @@ -7,6 +7,8 @@ u32 nvbios_rammapTe(struct nvkm_bios *, u8 *ver, u8 *hdr, u32 nvbios_rammapEe(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr, u8 *cnt, u8 *len); +u32 nvbios_rammapEp_from_perf(struct nvkm_bios *bios, u32 data, u8 size, + struct nvbios_ramcfg *p); u32 nvbios_rammapEp(struct nvkm_bios *, int idx, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ramcfg *); u32 nvbios_rammapEm(struct nvkm_bios *, u16 mhz, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c index d6e4af7606ba..29ba85387adc 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c @@ -72,6 +72,21 @@ nvbios_rammapEe(struct nvkm_bios *bios, int idx, return 0x0000; } +/* Pretend a performance mode is also a rammap entry, helps coalesce entries + * later on */ +u32 +nvbios_rammapEp_from_perf(struct nvkm_bios *bios, u32 data, u8 size, + struct nvbios_ramcfg *p) +{ + memset(p, 0x00, sizeof(*p)); + + p->rammap_00_16_20 = (nv_ro08(bios, data + 0x16) & 0x20) >> 5; + p->rammap_00_16_40 = (nv_ro08(bios, data + 0x16) & 0x40) >> 6; + p->rammap_00_17_02 = (nv_ro08(bios, data + 0x17) & 0x02) >> 1; + + return data; +} + u32 nvbios_rammapEp(struct nvkm_bios *bios, int idx, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_ramcfg *p) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c index 37ccc4dbeaf5..91e9cff7a645 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c @@ -169,6 +169,8 @@ nv50_ram_calc(struct nvkm_fb *pfb, u32 freq) } } while (perfE.memory < freq); + nvbios_rammapEp_from_perf(bios, data, hdr, &next->bios); + /* locate specific data set for the attached memory */ strap = nvbios_ramcfg_index(nv_subdev(pfb)); if (strap >= cnt) { |