From b4f2bf33bb1d50f1b52fae673dc85dfd750e6712 Mon Sep 17 00:00:00 2001 From: Roy Spliet Date: Wed, 30 Sep 2015 00:23:44 +0100 Subject: [PATCH] drm/nouveau/bios/rammap: Identify DLLoff for >= GF100 Signed-off-by: Roy Spliet Signed-off-by: Ben Skeggs --- .../nouveau/include/nvkm/subdev/bios/ramcfg.h | 1 - .../gpu/drm/nouveau/nvkm/subdev/bios/rammap.c | 2 +- .../gpu/drm/nouveau/nvkm/subdev/fb/gddr5.c | 3 +- .../gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c | 41 +++++++++++++++---- .../gpu/drm/nouveau/nvkm/subdev/fb/sddr3.c | 4 +- 5 files changed, 39 insertions(+), 12 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 3a9abd38aca8..dd48db7fee06 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h @@ -78,7 +78,6 @@ struct nvbios_ramcfg { unsigned ramcfg_11_01_04:1; unsigned ramcfg_11_01_08:1; unsigned ramcfg_11_01_10:1; - unsigned ramcfg_11_01_20:1; unsigned ramcfg_11_01_40:1; unsigned ramcfg_11_01_80:1; unsigned ramcfg_11_02_03:2; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c index f0e1fc74a52e..3bbb1a76c378 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/rammap.c @@ -219,7 +219,7 @@ nvbios_rammapSp(struct nvkm_bios *bios, u32 data, p->ramcfg_11_01_04 = (nvbios_rd08(bios, data + 0x01) & 0x04) >> 2; p->ramcfg_11_01_08 = (nvbios_rd08(bios, data + 0x01) & 0x08) >> 3; p->ramcfg_11_01_10 = (nvbios_rd08(bios, data + 0x01) & 0x10) >> 4; - p->ramcfg_11_01_20 = (nvbios_rd08(bios, data + 0x01) & 0x20) >> 5; + p->ramcfg_DLLoff = (nvbios_rd08(bios, data + 0x01) & 0x20) >> 5; p->ramcfg_11_01_40 = (nvbios_rd08(bios, data + 0x01) & 0x40) >> 6; p->ramcfg_11_01_80 = (nvbios_rd08(bios, data + 0x01) & 0x80) >> 7; p->ramcfg_11_02_03 = (nvbios_rd08(bios, data + 0x02) & 0x03) >> 0; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gddr5.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gddr5.c index 24f83b09e6a1..2cc074d3901a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gddr5.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gddr5.c @@ -38,11 +38,12 @@ nvkm_gddr5_calc(struct nvkm_ram *ram, bool nuts) int WL, CL, WR, at[2], dt, ds; int rq = ram->freq < 1000000; /* XXX */ + xd = !ram->next->bios.ramcfg_DLLoff; + switch (ram->next->bios.ramcfg_ver) { case 0x11: pd = ram->next->bios.ramcfg_11_01_80; lf = ram->next->bios.ramcfg_11_01_40; - xd = !ram->next->bios.ramcfg_11_01_20; vh = ram->next->bios.ramcfg_11_02_10; vr = ram->next->bios.ramcfg_11_02_04; vo = ram->next->bios.ramcfg_11_06; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c index 989355622aac..0d2056382c78 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgk104.c @@ -673,6 +673,25 @@ gk104_ram_calc_gddr5(struct gk104_ram *ram, u32 freq) * DDR3 ******************************************************************************/ +static void +nvkm_sddr3_dll_reset(struct gk104_ramfuc *fuc) +{ + ram_nuke(fuc, mr[0]); + ram_mask(fuc, mr[0], 0x100, 0x100); + ram_mask(fuc, mr[0], 0x100, 0x000); +} + +static void +nvkm_sddr3_dll_disable(struct gk104_ramfuc *fuc) +{ + u32 mr1_old = ram_rd32(fuc, mr[1]); + + if (!(mr1_old & 0x1)) { + ram_mask(fuc, mr[1], 0x1, 0x1); + ram_nsec(fuc, 1000); + } +} + static int gk104_ram_calc_sddr3(struct gk104_ram *ram, u32 freq) { @@ -702,6 +721,10 @@ gk104_ram_calc_sddr3(struct gk104_ram *ram, u32 freq) ram_mask(fuc, 0x10f808, 0x04000000, 0x04000000); ram_wr32(fuc, 0x10f314, 0x00000001); /* PRECHARGE */ + + if (next->bios.ramcfg_DLLoff) + nvkm_sddr3_dll_disable(fuc); + ram_wr32(fuc, 0x10f210, 0x00000000); /* REFRESH_AUTO = 0 */ ram_wr32(fuc, 0x10f310, 0x00000001); /* REFRESH */ ram_mask(fuc, 0x10f200, 0x80000000, 0x80000000); @@ -879,17 +902,20 @@ gk104_ram_calc_sddr3(struct gk104_ram *ram, u32 freq) ram_wr32(fuc, 0x10f210, 0x80000000); /* REFRESH_AUTO = 1 */ ram_nsec(fuc, 1000); - ram_nuke(fuc, mr[0]); - ram_mask(fuc, mr[0], 0x100, 0x100); - ram_mask(fuc, mr[0], 0x100, 0x000); + if (!next->bios.ramcfg_DLLoff) { + ram_mask(fuc, mr[1], 0x1, 0x0); + nvkm_sddr3_dll_reset(fuc); + } - ram_mask(fuc, mr[2], 0xfff, ram->base.mr[2]); + ram_mask(fuc, mr[2], 0x00000fff, ram->base.mr[2]); + ram_mask(fuc, mr[1], 0xffffffff, ram->base.mr[1]); ram_wr32(fuc, mr[0], ram->base.mr[0]); ram_nsec(fuc, 1000); - ram_nuke(fuc, mr[0]); - ram_mask(fuc, mr[0], 0x100, 0x100); - ram_mask(fuc, mr[0], 0x100, 0x000); + if (!next->bios.ramcfg_DLLoff) { + nvkm_sddr3_dll_reset(fuc); + ram_nsec(fuc, 1000); + } if (vc == 0 && ram_have(fuc, gpio2E)) { u32 temp = ram_mask(fuc, gpio2E, 0x3000, fuc->r_func2E[0]); @@ -1600,6 +1626,7 @@ gk104_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram) break; case NVKM_RAM_TYPE_DDR3: ram->fuc.r_mr[0] = ramfuc_reg(0x10f300); + ram->fuc.r_mr[1] = ramfuc_reg(0x10f304); ram->fuc.r_mr[2] = ramfuc_reg(0x10f320); break; default: diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/sddr3.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/sddr3.c index b4edc97dc8c5..26900333b1d6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/sddr3.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/sddr3.c @@ -70,6 +70,8 @@ nvkm_sddr3_calc(struct nvkm_ram *ram) { int CWL, CL, WR, DLL = 0, ODT = 0; + DLL = !ram->next->bios.ramcfg_DLLoff; + switch (ram->next->bios.timing_ver) { case 0x10: if (ram->next->bios.timing_hdr < 0x17) { @@ -79,7 +81,6 @@ nvkm_sddr3_calc(struct nvkm_ram *ram) 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_DLLoff; ODT = ram->next->bios.timing_10_ODT; break; case 0x20: @@ -87,7 +88,6 @@ nvkm_sddr3_calc(struct nvkm_ram *ram) 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; -- 2.20.1