From: Ben Skeggs Date: Wed, 20 Feb 2013 09:21:08 +0000 (+1000) Subject: drm/nvd0/disp: handle multiple actions from one set of supervisor intrs X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=4ea253adf0307dfd9eed3f744a1501dafcfa4de8;p=~shefty%2Frdma-dev.git drm/nvd0/disp: handle multiple actions from one set of supervisor intrs Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c index 7106a72e611..788dd34ccb5 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c @@ -623,13 +623,24 @@ exec_lookup(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl, } static bool -exec_script(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl, int id) +exec_script(struct nv50_disp_priv *priv, int head, int id) { struct nouveau_bios *bios = nouveau_bios(priv); struct nvbios_outp info; struct dcb_output dcb; u8 ver, hdr, cnt, len; + u32 ctrl = 0x00000000; u16 data; + int outp; + + for (outp = 0; !(ctrl & (1 << head)) && outp < 8; outp++) { + ctrl = nv_rd32(priv, 0x640180 + (outp * 0x20)); + if (ctrl & (1 << head)) + break; + } + + if (outp == 8) + return false; data = exec_lookup(priv, head, outp, ctrl, &dcb, &ver, &hdr, &cnt, &len, &info); if (data) { @@ -649,14 +660,25 @@ exec_script(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl, int id) } static u32 -exec_clkcmp(struct nv50_disp_priv *priv, int head, int outp, - u32 ctrl, int id, u32 pclk, struct dcb_output *dcb) +exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, + u32 pclk, struct dcb_output *dcb) { struct nouveau_bios *bios = nouveau_bios(priv); struct nvbios_outp info1; struct nvbios_ocfg info2; u8 ver, hdr, cnt, len; + u32 ctrl = 0x00000000; u32 data, conf = ~0; + int outp; + + for (outp = 0; !(ctrl & (1 << head)) && outp < 8; outp++) { + ctrl = nv_rd32(priv, 0x660180 + (outp * 0x20)); + if (ctrl & (1 << head)) + break; + } + + if (outp == 8) + return false; data = exec_lookup(priv, head, outp, ctrl, dcb, &ver, &hdr, &cnt, &len, &info1); if (data == 0x0000) @@ -701,24 +723,32 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int outp, } static void -nvd0_display_unk1_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) +nvd0_disp_intr_unk1_0(struct nv50_disp_priv *priv, int head) { - int i; + exec_script(priv, head, 1); +} - for (i = 0; mask && i < 8; i++) { - u32 mcc = nv_rd32(priv, 0x640180 + (i * 0x20)); - if (mcc & (1 << head)) - exec_script(priv, head, i, mcc, 1); - } +static void +nvd0_disp_intr_unk2_0(struct nv50_disp_priv *priv, int head) +{ + exec_script(priv, head, 2); +} - nv_wr32(priv, 0x6101d4, 0x00000000); - nv_wr32(priv, 0x6109d4, 0x00000000); - nv_wr32(priv, 0x6101d0, 0x80000000); +static void +nvd0_disp_intr_unk2_1(struct nv50_disp_priv *priv, int head) +{ + struct nouveau_clock *clk = nouveau_clock(priv); + u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000; + if (pclk) + clk->pll_set(clk, PLL_VPLL0 + head, pclk); + nv_wr32(priv, 0x612200 + (head * 0x800), 0x00000000); } static void -nvd0_display_unk2_calc_tu(struct nv50_disp_priv *priv, int head, int or) +nvd0_disp_intr_unk2_2_tu(struct nv50_disp_priv *priv, int head, + struct dcb_output *outp) { + const int or = ffs(outp->or) - 1; const u32 ctrl = nv_rd32(priv, 0x660200 + (or * 0x020)); const u32 conf = nv_rd32(priv, 0x660404 + (head * 0x300)); const u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000; @@ -761,97 +791,51 @@ nvd0_display_unk2_calc_tu(struct nv50_disp_priv *priv, int head, int or) } static void -nvd0_display_unk2_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) +nvd0_disp_intr_unk2_2(struct nv50_disp_priv *priv, int head) { struct dcb_output outp; - u32 pclk; - int i; - - for (i = 0; mask && i < 8; i++) { - u32 mcc = nv_rd32(priv, 0x640180 + (i * 0x20)); - if (mcc & (1 << head)) - exec_script(priv, head, i, mcc, 2); - } + u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000; + u32 conf = exec_clkcmp(priv, head, 0xff, pclk, &outp); + if (conf != ~0) { + u32 addr, data; + + if (outp.type == DCB_OUTPUT_DP) { + u32 sync = nv_rd32(priv, 0x660404 + (head * 0x300)); + switch ((sync & 0x000003c0) >> 6) { + case 6: pclk = pclk * 30 / 8; break; + case 5: pclk = pclk * 24 / 8; break; + case 2: + default: + pclk = pclk * 18 / 8; + break; + } - pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000; - nv_debug(priv, "head %d pclk %d mask 0x%08x\n", head, pclk, mask); - if (pclk && (mask & 0x00010000)) { - struct nouveau_clock *clk = nouveau_clock(priv); - clk->pll_set(clk, PLL_VPLL0 + head, pclk); - } + nouveau_dp_train(&priv->base, priv->sor.dp, + &outp, head, pclk); + } - nv_wr32(priv, 0x612200 + (head * 0x800), 0x00000000); + exec_clkcmp(priv, head, 0, pclk, &outp); - for (i = 0; mask && i < 8; i++) { - u32 mcp = nv_rd32(priv, 0x660180 + (i * 0x20)); - if (mcp & (1 << head)) { - u32 cfg = exec_clkcmp(priv, head, i, mcp, 0xff, pclk, &outp); - if (cfg != ~0) { - u32 addr, mask, data = 0x00000000; - - if (outp.type == DCB_OUTPUT_DP) { - switch ((mcp & 0x000f0000) >> 16) { - case 6: pclk = pclk * 30 / 8; break; - case 5: pclk = pclk * 24 / 8; break; - case 2: - default: - pclk = pclk * 18 / 8; - break; - } - - nouveau_dp_train(&priv->base, - priv->sor.dp, - &outp, head, pclk); - } - - exec_clkcmp(priv, head, i, mcp, 0, pclk, &outp); - - if (i < 4) { - addr = 0x612280 + ((i - 0) * 0x800); - mask = 0xffffffff; - } else { - switch (mcp & 0x00000f00) { - case 0x00000800: - case 0x00000900: - nvd0_display_unk2_calc_tu(priv, head, i - 4); - break; - default: - break; - } - - addr = 0x612300 + ((i - 4) * 0x800); - mask = 0x00000707; - if (cfg & 0x00000100) - data = 0x00000101; - } - nv_mask(priv, addr, mask, data); - } - break; + if (outp.type == DCB_OUTPUT_ANALOG) { + addr = 0x612280 + (ffs(outp.or) - 1) * 0x800; + data = 0x00000000; + } else { + if (outp.type == DCB_OUTPUT_DP) + nvd0_disp_intr_unk2_2_tu(priv, head, &outp); + addr = 0x612300 + (ffs(outp.or) - 1) * 0x800; + data = (conf & 0x0100) ? 0x00000101 : 0x00000000; } - } - nv_wr32(priv, 0x6101d4, 0x00000000); - nv_wr32(priv, 0x6109d4, 0x00000000); - nv_wr32(priv, 0x6101d0, 0x80000000); + nv_mask(priv, addr, 0x00000707, data); + } } static void -nvd0_display_unk4_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) +nvd0_disp_intr_unk4_0(struct nv50_disp_priv *priv, int head) { struct dcb_output outp; - int pclk, i; - - pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000; - - for (i = 0; mask && i < 8; i++) { - u32 mcp = nv_rd32(priv, 0x660180 + (i * 0x20)); - if (mcp & (1 << head)) - exec_clkcmp(priv, head, i, mcp, 1, pclk, &outp); - } - - nv_wr32(priv, 0x6101d4, 0x00000000); - nv_wr32(priv, 0x6109d4, 0x00000000); - nv_wr32(priv, 0x6101d0, 0x80000000); + u32 pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000; + exec_clkcmp(priv, head, 1, pclk, &outp); } void @@ -859,19 +843,50 @@ nvd0_disp_intr_supervisor(struct work_struct *work) { struct nv50_disp_priv *priv = container_of(work, struct nv50_disp_priv, supervisor); - u32 mask = 0, head = ~0; + u32 mask[4]; + int head; - while (!mask && ++head < priv->head.nr) - mask = nv_rd32(priv, 0x6101d4 + (head * 0x800)); + nv_debug(priv, "supervisor %08x\n", priv->super); + for (head = 0; head < priv->head.nr; head++) { + mask[head] = nv_rd32(priv, 0x6101d4 + (head * 0x800)); + nv_debug(priv, "head %d: 0x%08x\n", head, mask[head]); + } - nv_debug(priv, "supervisor %08x %08x %d\n", priv->super, mask, head); + if (priv->super & 0x00000001) { + for (head = 0; head < priv->head.nr; head++) { + if (!(mask[head] & 0x00001000)) + continue; + nvd0_disp_intr_unk1_0(priv, head); + } + } else + if (priv->super & 0x00000002) { + for (head = 0; head < priv->head.nr; head++) { + if (!(mask[head] & 0x00001000)) + continue; + nvd0_disp_intr_unk2_0(priv, head); + } + for (head = 0; head < priv->head.nr; head++) { + if (!(mask[head] & 0x00010000)) + continue; + nvd0_disp_intr_unk2_1(priv, head); + } + for (head = 0; head < priv->head.nr; head++) { + if (!(mask[head] & 0x00001000)) + continue; + nvd0_disp_intr_unk2_2(priv, head); + } + } else + if (priv->super & 0x00000004) { + for (head = 0; head < priv->head.nr; head++) { + if (!(mask[head] & 0x00001000)) + continue; + nvd0_disp_intr_unk4_0(priv, head); + } + } - if (priv->super & 0x00000001) - nvd0_display_unk1_handler(priv, head, mask); - if (priv->super & 0x00000002) - nvd0_display_unk2_handler(priv, head, mask); - if (priv->super & 0x00000004) - nvd0_display_unk4_handler(priv, head, mask); + for (head = 0; head < priv->head.nr; head++) + nv_wr32(priv, 0x6101d4 + (head * 0x800), 0x00000000); + nv_wr32(priv, 0x6101d0, 0x80000000); } void