From 476e84e126171d809f9c0b5d97137f5055f95ca8 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 11 Feb 2013 09:24:23 +1000 Subject: [PATCH] drm/nv50-/disp: initial supervisor support for off-chip encoders Signed-off-by: Ben Skeggs --- .../gpu/drm/nouveau/core/engine/disp/nv50.c | 124 +++++++++++++----- .../gpu/drm/nouveau/core/subdev/bios/init.c | 9 +- 2 files changed, 100 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index 129815319974..314dda6d7cb8 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -626,7 +626,7 @@ nv50_disp_base_init(struct nouveau_object *object) nv_wr32(priv, 0x6101e0 + (i * 0x04), tmp); } - /* ... EXT caps */ + /* ... PIOR caps */ for (i = 0; i < 3; i++) { tmp = nv_rd32(priv, 0x61e000 + (i * 0x800)); nv_wr32(priv, 0x6101f0 + (i * 0x04), tmp); @@ -783,8 +783,8 @@ exec_lookup(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl, if (outp < 4) { type = DCB_OUTPUT_ANALOG; mask = 0; - } else { - outp -= 4; + } else + if (outp < 8) { switch (ctrl & 0x00000f00) { case 0x00000000: type = DCB_OUTPUT_LVDS; mask = 1; break; case 0x00000100: type = DCB_OUTPUT_TMDS; mask = 1; break; @@ -796,6 +796,17 @@ exec_lookup(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl, nv_error(priv, "unknown SOR mc 0x%08x\n", ctrl); return 0x0000; } + outp -= 4; + } else { + outp = outp - 8; + type = 0x0010; + mask = 0; + switch (ctrl & 0x00000f00) { + case 0x00000000: type |= priv->pior.type[outp]; break; + default: + nv_error(priv, "unknown PIOR mc 0x%08x\n", ctrl); + return 0x0000; + } } mask = 0x00c0 & (mask << 6); @@ -806,6 +817,10 @@ exec_lookup(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl, if (!data) return 0x0000; + /* off-chip encoders require matching the exact encoder type */ + if (dcb->location != 0) + type |= dcb->extdev << 8; + return nvbios_outp_match(bios, type, mask, ver, hdr, cnt, len, info); } @@ -820,9 +835,11 @@ exec_script(struct nv50_disp_priv *priv, int head, int id) u32 ctrl = 0x00000000; int i; + /* DAC */ for (i = 0; !(ctrl & (1 << head)) && i < 3; i++) ctrl = nv_rd32(priv, 0x610b5c + (i * 8)); + /* SOR */ if (!(ctrl & (1 << head))) { if (nv_device(priv)->chipset < 0x90 || nv_device(priv)->chipset == 0x92 || @@ -837,6 +854,13 @@ exec_script(struct nv50_disp_priv *priv, int head, int id) } } + /* PIOR */ + if (!(ctrl & (1 << head))) { + for (i = 0; !(ctrl & (1 << head)) && i < 3; i++) + ctrl = nv_rd32(priv, 0x610b84 + (i * 8)); + i += 8; + } + if (!(ctrl & (1 << head))) return false; i--; @@ -870,9 +894,11 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, u32 pclk, u32 data, conf = ~0; int i; + /* DAC */ for (i = 0; !(ctrl & (1 << head)) && i < 3; i++) ctrl = nv_rd32(priv, 0x610b58 + (i * 8)); + /* SOR */ if (!(ctrl & (1 << head))) { if (nv_device(priv)->chipset < 0x90 || nv_device(priv)->chipset == 0x92 || @@ -887,6 +913,13 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, u32 pclk, } } + /* PIOR */ + if (!(ctrl & (1 << head))) { + for (i = 0; !(ctrl & (1 << head)) && i < 3; i++) + ctrl = nv_rd32(priv, 0x610b80 + (i * 8)); + i += 8; + } + if (!(ctrl & (1 << head))) return conf; i--; @@ -895,22 +928,27 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, u32 pclk, if (!data) return conf; - switch (outp->type) { - case DCB_OUTPUT_TMDS: - conf = (ctrl & 0x00000f00) >> 8; - if (pclk >= 165000) - conf |= 0x0100; - break; - case DCB_OUTPUT_LVDS: - conf = priv->sor.lvdsconf; - break; - case DCB_OUTPUT_DP: + if (outp->location == 0) { + switch (outp->type) { + case DCB_OUTPUT_TMDS: + conf = (ctrl & 0x00000f00) >> 8; + if (pclk >= 165000) + conf |= 0x0100; + break; + case DCB_OUTPUT_LVDS: + conf = priv->sor.lvdsconf; + break; + case DCB_OUTPUT_DP: + conf = (ctrl & 0x00000f00) >> 8; + break; + case DCB_OUTPUT_ANALOG: + default: + conf = 0x00ff; + break; + } + } else { conf = (ctrl & 0x00000f00) >> 8; - break; - case DCB_OUTPUT_ANALOG: - default: - conf = 0x00ff; - break; + pclk = pclk / 2; } data = nvbios_ocfg_match(bios, data, conf, &ver, &hdr, &cnt, &len, &info2); @@ -1057,7 +1095,6 @@ static void nv50_disp_intr_unk20(struct nv50_disp_priv *priv, u32 super) { struct dcb_output outp; - u32 addr, mask, data; int head; /* finish detaching encoder? */ @@ -1073,14 +1110,14 @@ nv50_disp_intr_unk20(struct nv50_disp_priv *priv, u32 super) struct nouveau_clock *clk = nouveau_clock(priv); clk->pll_set(clk, PLL_VPLL0 + head, pclk); } - - nv_mask(priv, 0x614200 + head * 0x800, 0x0000000f, 0x00000000); } /* (re)attach the relevant OR to the head */ head = ffs((super & 0x00000180) >> 7) - 1; if (head >= 0) { u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff; + u32 hval, hreg = 0x614200 + (head * 0x800); + u32 oval, oreg; u32 conf = exec_clkcmp(priv, head, 0xff, pclk, &outp); if (conf != ~0) { if (outp.location == 0 && outp.type == DCB_OUTPUT_DP) { @@ -1103,19 +1140,25 @@ nv50_disp_intr_unk20(struct nv50_disp_priv *priv, u32 super) exec_clkcmp(priv, head, 0, pclk, &outp); - if (outp.type == DCB_OUTPUT_ANALOG) { - addr = 0x614280 + (ffs(outp.or) - 1) * 0x800; - mask = 0xffffffff; - data = 0x00000000; - } else { + if (!outp.location && outp.type == DCB_OUTPUT_ANALOG) { + oreg = 0x614280 + (ffs(outp.or) - 1) * 0x800; + oval = 0x00000000; + hval = 0x00000000; + } else + if (!outp.location) { if (outp.type == DCB_OUTPUT_DP) nv50_disp_intr_unk20_dp(priv, &outp, pclk); - addr = 0x614300 + (ffs(outp.or) - 1) * 0x800; - mask = 0x00000707; - data = (conf & 0x0100) ? 0x0101 : 0x0000; + oreg = 0x614300 + (ffs(outp.or) - 1) * 0x800; + oval = (conf & 0x0100) ? 0x0101 : 0x0000; + hval = 0x00000000; + } else { + oreg = 0x614380 + (ffs(outp.or) - 1) * 0x800; + oval = 0x00000001; + hval = 0x00000001; } - nv_mask(priv, addr, mask, data); + nv_mask(priv, hreg, 0x0000000f, hval); + nv_mask(priv, oreg, 0x00000707, oval); } } @@ -1151,9 +1194,28 @@ nv50_disp_intr_unk40(struct nv50_disp_priv *priv, u32 super) if (head >= 0) { struct dcb_output outp; u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff; - if (exec_clkcmp(priv, head, 1, pclk, &outp) != ~0) + if (exec_clkcmp(priv, head, 1, pclk, &outp) != ~0) { if (outp.location == 0 && outp.type == DCB_OUTPUT_TMDS) nv50_disp_intr_unk40_tmds(priv, &outp); + else + if (outp.location == 1 && outp.type == DCB_OUTPUT_DP) { + u32 soff = (ffs(outp.or) - 1) * 0x08; + u32 ctrl = nv_rd32(priv, 0x610b84 + soff); + u32 datarate; + + switch ((ctrl & 0x000f0000) >> 16) { + case 6: datarate = pclk * 30 / 8; break; + case 5: datarate = pclk * 24 / 8; break; + case 2: + default: + datarate = pclk * 18 / 8; + break; + } + + nouveau_dp_train(&priv->base, priv->pior.dp, + &outp, head, datarate); + } + } } nv_wr32(priv, 0x610030, 0x80000000); diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c index 7d2ce11cf36a..2cc1e6a5eb6a 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/init.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/init.c @@ -231,6 +231,11 @@ init_i2c(struct nvbios_init *init, int index) return NULL; } + if (index == -2 && init->outp->location) { + index = NV_I2C_TYPE_EXTAUX(init->outp->extdev); + return i2c->find_type(i2c, index); + } + index = init->outp->i2c_index; } @@ -258,7 +263,7 @@ init_wri2cr(struct nvbios_init *init, u8 index, u8 addr, u8 reg, u8 val) static int init_rdauxr(struct nvbios_init *init, u32 addr) { - struct nouveau_i2c_port *port = init_i2c(init, -1); + struct nouveau_i2c_port *port = init_i2c(init, -2); u8 data; if (port && init_exec(init)) { @@ -274,7 +279,7 @@ init_rdauxr(struct nvbios_init *init, u32 addr) static int init_wrauxr(struct nvbios_init *init, u32 addr, u8 data) { - struct nouveau_i2c_port *port = init_i2c(init, -1); + struct nouveau_i2c_port *port = init_i2c(init, -2); if (port && init_exec(init)) return nv_wraux(port, addr, &data, 1); return -ENODEV; -- 2.39.2