From bf504b3fbb936ca0989ba792835119f0199b25c2 Mon Sep 17 00:00:00 2001 From: Roy Spliet Date: Thu, 2 Oct 2014 18:01:53 +0200 Subject: [PATCH] drm/nouveau/fb/ramnva3: Ressurect timing calculation code Signed-off-by: Roy Spliet Signed-off-by: Ben Skeggs --- .../nouveau/core/include/subdev/bios/ramcfg.h | 20 +++++ .../gpu/drm/nouveau/core/subdev/bios/timing.c | 42 +++++++++- .../gpu/drm/nouveau/core/subdev/fb/ramnva3.c | 84 ++++++++++++++++--- 3 files changed, 132 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h b/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h index ae3f17d95aae..8ead274e4bf9 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h @@ -95,9 +95,29 @@ struct nvbios_ramcfg { union { struct { unsigned timing_10_WR:8; + unsigned timing_10_WTR:8; unsigned timing_10_CL:8; + unsigned timing_10_RC:8; + /*empty: 4 */ + unsigned timing_10_RFC:8; /* Byte 5 */ + /*empty: 6 */ + unsigned timing_10_RAS:8; /* Byte 7 */ + /*empty: 8 */ + unsigned timing_10_RP:8; /* Byte 9 */ + unsigned timing_10_RCDRD:8; + unsigned timing_10_RCDWR:8; + unsigned timing_10_RRD:8; + unsigned timing_10_13:8; unsigned timing_10_ODT:3; + /* empty: 15 */ + unsigned timing_10_16:8; + /* empty: 17 */ + unsigned timing_10_18:8; unsigned timing_10_CWL:8; + unsigned timing_10_20:8; + unsigned timing_10_21:8; + /* empty: 22, 23 */ + unsigned timing_10_24:8; }; struct { unsigned timing_20_2e_03:2; diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/timing.c b/drivers/gpu/drm/nouveau/core/subdev/bios/timing.c index 46d955eb51eb..8521eca1ed9c 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/timing.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/timing.c @@ -93,10 +93,44 @@ nvbios_timingEp(struct nouveau_bios *bios, int idx, p->timing_hdr = *hdr; switch (!!data * *ver) { case 0x10: - p->timing_10_WR = nv_ro08(bios, data + 0x00); - p->timing_10_CL = nv_ro08(bios, data + 0x02); - p->timing_10_ODT = nv_ro08(bios, data + 0x0e) & 0x07; - p->timing_10_CWL = nv_ro08(bios, data + 0x13); + p->timing_10_WR = nv_ro08(bios, data + 0x00); + p->timing_10_WTR = nv_ro08(bios, data + 0x01); + p->timing_10_CL = nv_ro08(bios, data + 0x02); + p->timing_10_RC = nv_ro08(bios, data + 0x03); + p->timing_10_RFC = nv_ro08(bios, data + 0x05); + p->timing_10_RAS = nv_ro08(bios, data + 0x07); + p->timing_10_RP = nv_ro08(bios, data + 0x09); + p->timing_10_RCDRD = nv_ro08(bios, data + 0x0a); + p->timing_10_RCDWR = nv_ro08(bios, data + 0x0b); + p->timing_10_RRD = nv_ro08(bios, data + 0x0c); + p->timing_10_13 = nv_ro08(bios, data + 0x0d); + p->timing_10_ODT = nv_ro08(bios, data + 0x0e) & 0x07; + + p->timing_10_24 = 0xff; + p->timing_10_21 = 0; + p->timing_10_20 = 0; + p->timing_10_CWL = 0; + p->timing_10_18 = 0; + p->timing_10_16 = 0; + + switch (min_t(u8, *hdr, 25)) { + case 25: + p->timing_10_24 = nv_ro08(bios, data + 0x18); + case 24: + case 23: + case 22: + p->timing_10_21 = nv_ro08(bios, data + 0x15); + case 21: + p->timing_10_20 = nv_ro08(bios, data + 0x14); + case 20: + p->timing_10_CWL = nv_ro08(bios, data + 0x13); + case 19: + p->timing_10_18 = nv_ro08(bios, data + 0x12); + case 18: + case 17: + p->timing_10_16 = nv_ro08(bios, data + 0x10); + } + break; case 0x20: p->timing[0] = nv_ro32(bios, data + 0x00); diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c index 45e8a91f8353..07dfbba3f219 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c @@ -343,6 +343,66 @@ nva3_link_train_fini(struct nouveau_fb *pfb) pfb->ram->put(pfb, &ram->ltrain.mem); } +/* + * RAM reclocking + */ +#define T(t) cfg->timing_10_##t +static int +nva3_ram_timing_calc(struct nouveau_fb *pfb, u32 *timing) +{ + struct nva3_ram *ram = (void *)pfb->ram; + struct nvbios_ramcfg *cfg = &ram->base.target.bios; + int tUNK_base; + u32 cur3, cur7, cur8; + + cur3 = nv_rd32(pfb, 0x10022c); + cur7 = nv_rd32(pfb, 0x10023c); + cur8 = nv_rd32(pfb, 0x100240); + + if (T(CWL) == 0) + T(CWL) = ((nv_rd32(pfb, 0x100228) & 0x0f000000) >> 24) + 1; + + tUNK_base = ((cur7 & 0x00ff0000) >> 16) - + (cur3 & 0x000000ff) - 1; + + timing[0] = (T(RP) << 24 | T(RAS) << 16 | T(RFC) << 8 | T(RC)); + timing[1] = (T(WR) + 1 + T(CWL)) << 24 | + max_t(u8,T(18), 1) << 16 | + (T(WTR) + 1 + T(CWL)) << 8 | + (5 + T(CL) - T(CWL)); + timing[2] = (T(CWL) - 1) << 24 | + (T(RRD) << 16) | + (T(RCDWR) << 8) | + T(RCDRD); + timing[3] = (cur3 & 0x00ff0000) | + (0x30 + T(CL)) << 24 | + (0xb + T(CL)) << 8 | + (T(CL) - 1); + timing[4] = T(20) << 24 | + T(21) << 16 | + T(13) << 8 | + T(13); + timing[5] = T(RFC) << 24 | + max_t(u8,T(RCDRD), T(RCDWR)) << 16 | + (T(CWL) + 6) << 8 | + T(RP); + timing[6] = (0x5a + T(CL)) << 16 | + (6 - T(CL) + T(CWL)) << 8 | + (0x50 + T(CL) - T(CWL)); + timing[7] = (cur7 & 0xff000000) | + ((tUNK_base + T(CL)) << 16) | + 0x202; + timing[8] = cur8 & 0xffffff00; + + nv_debug(pfb, "Entry: 220: %08x %08x %08x %08x\n", + timing[0], timing[1], timing[2], timing[3]); + nv_debug(pfb, " 230: %08x %08x %08x %08x\n", + timing[4], timing[5], timing[6], timing[7]); + nv_debug(pfb, " 240: %08x\n", timing[8]); + return 0; +} +#undef T + static int nva3_ram_calc(struct nouveau_fb *pfb, u32 freq) { @@ -356,6 +416,7 @@ nva3_ram_calc(struct nouveau_fb *pfb, u32 freq) u32 r004018, r100760, ctrl; u32 unk714, unk718, unk71c; int ret, i; + u32 timing[9]; next = &ram->base.target; next->freq = freq; @@ -409,6 +470,8 @@ nva3_ram_calc(struct nouveau_fb *pfb, u32 freq) return ret; } + nva3_ram_timing_calc(pfb, timing); + ret = ram_init(fuc, pfb); if (ret) return ret; @@ -519,16 +582,17 @@ nva3_ram_calc(struct nouveau_fb *pfb, u32 freq) ram_mask(fuc, mr[0], 0x00000000, 0x00000000); ram_nsec(fuc, 1000); - ram_mask(fuc, 0x100220[3], 0x00000000, 0x00000000); - ram_mask(fuc, 0x100220[1], 0x00000000, 0x00000000); - ram_mask(fuc, 0x100220[6], 0x00000000, 0x00000000); - ram_mask(fuc, 0x100220[7], 0x00000000, 0x00000000); - ram_mask(fuc, 0x100220[2], 0x00000000, 0x00000000); - ram_mask(fuc, 0x100220[4], 0x00000000, 0x00000000); - ram_mask(fuc, 0x100220[5], 0x00000000, 0x00000000); - ram_mask(fuc, 0x100220[0], 0x00000000, 0x00000000); - ram_mask(fuc, 0x100220[8], 0x00000000, 0x00000000); - + ram_wr32(fuc, 0x100220[3], timing[3]); + ram_wr32(fuc, 0x100220[1], timing[1]); + ram_wr32(fuc, 0x100220[6], timing[6]); + ram_wr32(fuc, 0x100220[7], timing[7]); + ram_wr32(fuc, 0x100220[2], timing[2]); + ram_wr32(fuc, 0x100220[4], timing[4]); + ram_wr32(fuc, 0x100220[5], timing[5]); + ram_wr32(fuc, 0x100220[0], timing[0]); + ram_wr32(fuc, 0x100220[8], timing[8]); + + /* Misc */ ram_mask(fuc, 0x100200, 0x00001000, !next->bios.ramcfg_10_02_08 << 12); unk714 = ram_rd32(fuc, 0x100714) & ~0xf0000010; -- 2.20.1