From 2813e19f13035e5971b6f4001782135cfc0909e0 Mon Sep 17 00:00:00 2001 From: Roy Spliet Date: Sat, 23 May 2015 10:37:47 +0200 Subject: [PATCH] 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 Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h | 5 +++++ drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h | 2 ++ drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c | 15 +++++++++++++++ drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv50.c | 2 ++ 4 files changed, 24 insertions(+) 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 f09b6bf..26e233a 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 2044fc9..8d8ee13 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 d6e4af7..29ba853 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 37ccc4d..91e9cff 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) { -- 2.7.4