From: Ben Skeggs Date: Fri, 2 Nov 2012 01:33:27 +0000 (+1000) Subject: drm/nvd0/disp: move remaining interrupt handling to core X-Git-Tag: v3.12-rc1~1709^2~80 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=14464b8cd643467cb97335eb75ea676260dd0ad8;p=kernel%2Fkernel-generic.git drm/nvd0/disp: move remaining interrupt handling to core 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 fa1b970..17d452c 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c @@ -33,6 +33,13 @@ #include #include #include +#include + +#include +#include +#include +#include +#include #include "nv50.h" @@ -563,6 +570,206 @@ nvd0_disp_sclass[] = { * Display engine implementation ******************************************************************************/ +static u16 +exec_lookup(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl, + struct dcb_output *dcb, u8 *ver, u8 *hdr, u8 *cnt, u8 *len, + struct nvbios_outp *info) +{ + struct nouveau_bios *bios = nouveau_bios(priv); + u16 data, idx = 0; + u16 mask, type; + + if (outp < 4) { + type = DCB_OUTPUT_ANALOG; + mask = 0; + } else { + outp -= 4; + switch (ctrl & 0x00000f00) { + case 0x00000000: type = DCB_OUTPUT_LVDS; mask = 1; break; + case 0x00000100: type = DCB_OUTPUT_TMDS; mask = 1; break; + case 0x00000200: type = DCB_OUTPUT_TMDS; mask = 2; break; + case 0x00000500: type = DCB_OUTPUT_TMDS; mask = 3; break; + case 0x00000800: type = DCB_OUTPUT_DP; mask = 1; break; + case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break; + default: + nv_error(priv, "unknown SOR mc 0x%08x\n", ctrl); + return 0x0000; + } + dcb->sorconf.link = mask; + } + + mask = 0x00c0 & (mask << 6); + mask |= 0x0001 << outp; + mask |= 0x0100 << head; + + /* this is a tad special, but for the moment its needed to get + * all the dcb data required by the vbios scripts.. will be cleaned + * up later as more bits are moved to the core.. + */ + while ((data = dcb_outp(bios, idx++, ver, hdr))) { + u32 conn = nv_ro32(bios, data + 0); + u32 conf = nv_ro32(bios, data + 4); + if ((conn & 0x00300000) || + (conn & 0x0000000f) != type || + (conn & 0x0f000000) != (0x01000000 << outp)) + continue; + + if ( (mask & 0x00c0) && (mask & 0x00c0) != + ((mask & 0x00c0) & ((conf & 0x00000030) << 2))) + continue; + + dcb->type = type; + dcb->or = 1 << outp; + dcb->connector = (conn & 0x0000f000) >> 12; + + return nvbios_outp_match(bios, type, mask, ver, hdr, cnt, len, info); + } + + return 0x0000; +} + +static bool +exec_script(struct nv50_disp_priv *priv, int head, int outp, u32 ctrl, int id) +{ + struct nouveau_bios *bios = nouveau_bios(priv); + struct nvbios_outp info; + struct dcb_output dcb; + u8 ver, hdr, cnt, len; + u16 data; + + data = exec_lookup(priv, head, outp, ctrl, &dcb, &ver, &hdr, &cnt, &len, &info); + if (data) { + struct nvbios_init init = { + .subdev = nv_subdev(priv), + .bios = bios, + .offset = info.script[id], + .outp = &dcb, + .crtc = head, + .execute = 1, + }; + + return nvbios_exec(&init) == 0; + } + + return false; +} + +static bool +exec_clkcmp(struct nv50_disp_priv *priv, int head, int outp, + u32 ctrl, u32 conf, int id, u32 pclk) +{ + struct nouveau_bios *bios = nouveau_bios(priv); + struct nvbios_outp info1; + struct nvbios_ocfg info2; + struct dcb_output dcb; + u8 ver, hdr, cnt, len; + u16 data; + + data = exec_lookup(priv, head, outp, ctrl, &dcb, &ver, &hdr, &cnt, &len, &info1); + if (data) { + data = nvbios_ocfg_match(bios, data, conf, &ver, &hdr, &cnt, &len, &info2); + if (data) { + data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk); + if (data) { + struct nvbios_init init = { + .subdev = nv_subdev(priv), + .bios = bios, + .offset = data, + .outp = &dcb, + .crtc = head, + .execute = 1, + }; + + return nvbios_exec(&init) == 0; + } + } + } + + return false; +} + +static void +nvd0_display_unk1_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) +{ + 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, 1); + } + + nv_wr32(priv, 0x6101d4, 0x00000000); + nv_wr32(priv, 0x6109d4, 0x00000000); + nv_wr32(priv, 0x6101d0, 0x80000000); +} + +static void +nvd0_display_unk2_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) +{ + 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); + } + + 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); + } + + nv_wr32(priv, 0x612200 + (head * 0x800), 0x00000000); + + for (i = 0; mask && i < 8; i++) { + u32 mcp = nv_rd32(priv, 0x660180 + (i * 0x20)); + u32 cfg = nv_rd32(priv, 0x660184 + (i * 0x20)); + if (mcp & (1 << head)) { + if (exec_clkcmp(priv, head, i, mcp, cfg, 0, pclk)) { + u32 addr, mask, data = 0x00000000; + if (i < 4) { + addr = 0x612280 + ((i - 0) * 0x800); + mask = 0xffffffff; + } else { + addr = 0x612300 + ((i - 4) * 0x800); + mask = 0x00000707; + if (cfg & 0x00000100) + data = 0x00000101; + } + nv_mask(priv, addr, mask, data); + } + break; + } + } + + nv_wr32(priv, 0x6101d4, 0x00000000); + nv_wr32(priv, 0x6109d4, 0x00000000); + nv_wr32(priv, 0x6101d0, 0x80000000); +} + +static void +nvd0_display_unk4_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) +{ + 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)); + u32 cfg = nv_rd32(priv, 0x660184 + (i * 0x20)); + if (mcp & (1 << head)) + exec_clkcmp(priv, head, i, mcp, cfg, 1, pclk); + } + + nv_wr32(priv, 0x6101d4, 0x00000000); + nv_wr32(priv, 0x6109d4, 0x00000000); + nv_wr32(priv, 0x6101d0, 0x80000000); +} + static void nvd0_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc) { @@ -599,7 +806,64 @@ nvd0_disp_intr(struct nouveau_subdev *subdev) u32 intr = nv_rd32(priv, 0x610088); int i; - for (i = 0; i < 4; i++) { + if (intr & 0x00000001) { + u32 stat = nv_rd32(priv, 0x61008c); + nv_wr32(priv, 0x61008c, stat); + intr &= ~0x00000001; + } + + if (intr & 0x00000002) { + u32 stat = nv_rd32(priv, 0x61009c); + int chid = ffs(stat) - 1; + if (chid >= 0) { + u32 mthd = nv_rd32(priv, 0x6101f0 + (chid * 12)); + u32 data = nv_rd32(priv, 0x6101f4 + (chid * 12)); + u32 unkn = nv_rd32(priv, 0x6101f8 + (chid * 12)); + + nv_error(priv, "chid %d mthd 0x%04x data 0x%08x " + "0x%08x 0x%08x\n", + chid, (mthd & 0x0000ffc), data, mthd, unkn); + nv_wr32(priv, 0x61009c, (1 << chid)); + nv_wr32(priv, 0x6101f0 + (chid * 12), 0x90000000); + } + + intr &= ~0x00000002; + } + + if (intr & 0x00100000) { + u32 stat = nv_rd32(priv, 0x6100ac); + u32 mask = 0, crtc = ~0; + + while (!mask && ++crtc < priv->head.nr) + mask = nv_rd32(priv, 0x6101d4 + (crtc * 0x800)); + + if (stat & 0x00000001) { + nv_wr32(priv, 0x6100ac, 0x00000001); + nvd0_display_unk1_handler(priv, crtc, mask); + stat &= ~0x00000001; + } + + if (stat & 0x00000002) { + nv_wr32(priv, 0x6100ac, 0x00000002); + nvd0_display_unk2_handler(priv, crtc, mask); + stat &= ~0x00000002; + } + + if (stat & 0x00000004) { + nv_wr32(priv, 0x6100ac, 0x00000004); + nvd0_display_unk4_handler(priv, crtc, mask); + stat &= ~0x00000004; + } + + if (stat) { + nv_info(priv, "unknown intr24 0x%08x\n", stat); + nv_wr32(priv, 0x6100ac, stat); + } + + intr &= ~0x00100000; + } + + for (i = 0; i < priv->head.nr; i++) { u32 mask = 0x01000000 << i; if (mask & intr) { u32 stat = nv_rd32(priv, 0x6100bc + (i * 0x800)); diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c index 1d8cb50..03cdc07 100644 --- a/drivers/gpu/drm/nouveau/nouveau_irq.c +++ b/drivers/gpu/drm/nouveau/nouveau_irq.c @@ -61,15 +61,11 @@ nouveau_irq_handler(DRM_IRQ_ARGS) nv_subdev(pmc)->intr(nv_subdev(pmc)); - if (dev->mode_config.num_crtc) { - if (device->card_type >= NV_D0) { - if (nv_rd32(device, 0x000100) & 0x04000000) - nvd0_display_intr(dev); - } else - if (device->card_type >= NV_50) { - if (nv_rd32(device, 0x000100) & 0x04000000) - nv50_display_intr(dev); - } + if (dev->mode_config.num_crtc && + device->card_type <= NV_C0 && + device->card_type >= NV_50) { + if (nv_rd32(device, 0x000100) & 0x04000000) + nv50_display_intr(dev); } return IRQ_HANDLED; diff --git a/drivers/gpu/drm/nouveau/nv50_display.h b/drivers/gpu/drm/nouveau/nv50_display.h index 973554d..40aa673 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.h +++ b/drivers/gpu/drm/nouveau/nv50_display.h @@ -94,7 +94,6 @@ int nvd0_display_create(struct drm_device *); void nvd0_display_destroy(struct drm_device *); int nvd0_display_init(struct drm_device *); void nvd0_display_fini(struct drm_device *); -void nvd0_display_intr(struct drm_device *); void nvd0_display_flip_stop(struct drm_crtc *); int nvd0_display_flip_next(struct drm_crtc *, struct drm_framebuffer *, diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c index edc79c3..fa0ca63 100644 --- a/drivers/gpu/drm/nouveau/nvd0_display.c +++ b/drivers/gpu/drm/nouveau/nvd0_display.c @@ -271,7 +271,6 @@ struct nvd0_disp { struct nouveau_object *core; struct nvd0_mast mast; - struct tasklet_struct tasklet; u32 modeset; struct nouveau_bo *sync; @@ -1763,254 +1762,6 @@ nvd0_sor_create(struct drm_connector *connector, struct dcb_output *dcbe) } /****************************************************************************** - * IRQ - *****************************************************************************/ -static struct dcb_output * -lookup_dcb(struct drm_device *dev, int id, u32 mc) -{ - struct nouveau_drm *drm = nouveau_drm(dev); - int type, or, i, link = -1; - - if (id < 4) { - type = DCB_OUTPUT_ANALOG; - or = id; - } else { - switch (mc & 0x00000f00) { - case 0x00000000: link = 0; type = DCB_OUTPUT_LVDS; break; - case 0x00000100: link = 0; type = DCB_OUTPUT_TMDS; break; - case 0x00000200: link = 1; type = DCB_OUTPUT_TMDS; break; - case 0x00000500: link = 0; type = DCB_OUTPUT_TMDS; break; - case 0x00000800: link = 0; type = DCB_OUTPUT_DP; break; - case 0x00000900: link = 1; type = DCB_OUTPUT_DP; break; - default: - NV_ERROR(drm, "PDISP: unknown SOR mc 0x%08x\n", mc); - return NULL; - } - - or = id - 4; - } - - for (i = 0; i < drm->vbios.dcb.entries; i++) { - struct dcb_output *dcb = &drm->vbios.dcb.entry[i]; - if (dcb->type == type && (dcb->or & (1 << or)) && - (link < 0 || link == !(dcb->sorconf.link & 1))) - return dcb; - } - - NV_ERROR(drm, "PDISP: DCB for %d/0x%08x not found\n", id, mc); - return NULL; -} - -static void -nvd0_display_unk1_handler(struct drm_device *dev, u32 crtc, u32 mask) -{ - struct nouveau_device *device = nouveau_dev(dev); - struct dcb_output *dcb; - int i; - - for (i = 0; mask && i < 8; i++) { - u32 mcc = nv_rd32(device, 0x640180 + (i * 0x20)); - if (!(mcc & (1 << crtc))) - continue; - - dcb = lookup_dcb(dev, i, mcc); - if (!dcb) - continue; - - nouveau_bios_run_display_table(dev, 0x0000, -1, dcb, crtc); - } - - nv_wr32(device, 0x6101d4, 0x00000000); - nv_wr32(device, 0x6109d4, 0x00000000); - nv_wr32(device, 0x6101d0, 0x80000000); -} - -static void -nvd0_display_unk2_handler(struct drm_device *dev, u32 crtc, u32 mask) -{ - struct nouveau_device *device = nouveau_dev(dev); - struct nouveau_drm *drm = nouveau_drm(dev); - struct dcb_output *dcb; - u32 or, tmp, pclk; - int i; - - for (i = 0; mask && i < 8; i++) { - u32 mcc = nv_rd32(device, 0x640180 + (i * 0x20)); - if (!(mcc & (1 << crtc))) - continue; - - dcb = lookup_dcb(dev, i, mcc); - if (!dcb) - continue; - - nouveau_bios_run_display_table(dev, 0x0000, -2, dcb, crtc); - } - - pclk = nv_rd32(device, 0x660450 + (crtc * 0x300)) / 1000; - NV_DEBUG(drm, "PDISP: crtc %d pclk %d mask 0x%08x\n", - crtc, pclk, mask); - if (pclk && (mask & 0x00010000)) { - nv50_crtc_set_clock(dev, crtc, pclk); - } - - for (i = 0; mask && i < 8; i++) { - u32 mcp = nv_rd32(device, 0x660180 + (i * 0x20)); - u32 cfg = nv_rd32(device, 0x660184 + (i * 0x20)); - if (!(mcp & (1 << crtc))) - continue; - - dcb = lookup_dcb(dev, i, mcp); - if (!dcb) - continue; - or = ffs(dcb->or) - 1; - - nouveau_bios_run_display_table(dev, cfg, pclk, dcb, crtc); - - nv_wr32(device, 0x612200 + (crtc * 0x800), 0x00000000); - switch (dcb->type) { - case DCB_OUTPUT_ANALOG: - nv_wr32(device, 0x612280 + (or * 0x800), 0x00000000); - break; - case DCB_OUTPUT_TMDS: - case DCB_OUTPUT_LVDS: - case DCB_OUTPUT_DP: - if (cfg & 0x00000100) - tmp = 0x00000101; - else - tmp = 0x00000000; - - nv_mask(device, 0x612300 + (or * 0x800), 0x00000707, tmp); - break; - default: - break; - } - - break; - } - - nv_wr32(device, 0x6101d4, 0x00000000); - nv_wr32(device, 0x6109d4, 0x00000000); - nv_wr32(device, 0x6101d0, 0x80000000); -} - -static void -nvd0_display_unk4_handler(struct drm_device *dev, u32 crtc, u32 mask) -{ - struct nouveau_device *device = nouveau_dev(dev); - struct dcb_output *dcb; - int pclk, i; - - pclk = nv_rd32(device, 0x660450 + (crtc * 0x300)) / 1000; - - for (i = 0; mask && i < 8; i++) { - u32 mcp = nv_rd32(device, 0x660180 + (i * 0x20)); - u32 cfg = nv_rd32(device, 0x660184 + (i * 0x20)); - if (!(mcp & (1 << crtc))) - continue; - - dcb = lookup_dcb(dev, i, mcp); - if (!dcb) - continue; - - nouveau_bios_run_display_table(dev, cfg, -pclk, dcb, crtc); - } - - nv_wr32(device, 0x6101d4, 0x00000000); - nv_wr32(device, 0x6109d4, 0x00000000); - nv_wr32(device, 0x6101d0, 0x80000000); -} - -static void -nvd0_display_bh(unsigned long data) -{ - struct drm_device *dev = (struct drm_device *)data; - struct nouveau_device *device = nouveau_dev(dev); - struct nouveau_drm *drm = nouveau_drm(dev); - struct nvd0_disp *disp = nvd0_disp(dev); - u32 mask = 0, crtc = ~0; - int i; - - if (drm_debug & (DRM_UT_DRIVER | DRM_UT_KMS)) { - NV_INFO(drm, "PDISP: modeset req %d\n", disp->modeset); - NV_INFO(drm, " STAT: 0x%08x 0x%08x 0x%08x\n", - nv_rd32(device, 0x6101d0), - nv_rd32(device, 0x6101d4), nv_rd32(device, 0x6109d4)); - for (i = 0; i < 8; i++) { - NV_INFO(drm, " %s%d: 0x%08x 0x%08x\n", - i < 4 ? "DAC" : "SOR", i, - nv_rd32(device, 0x640180 + (i * 0x20)), - nv_rd32(device, 0x660180 + (i * 0x20))); - } - } - - while (!mask && ++crtc < dev->mode_config.num_crtc) - mask = nv_rd32(device, 0x6101d4 + (crtc * 0x800)); - - if (disp->modeset & 0x00000001) - nvd0_display_unk1_handler(dev, crtc, mask); - if (disp->modeset & 0x00000002) - nvd0_display_unk2_handler(dev, crtc, mask); - if (disp->modeset & 0x00000004) - nvd0_display_unk4_handler(dev, crtc, mask); -} - -void -nvd0_display_intr(struct drm_device *dev) -{ - struct nvd0_disp *disp = nvd0_disp(dev); - struct nouveau_device *device = nouveau_dev(dev); - struct nouveau_drm *drm = nouveau_drm(dev); - u32 intr = nv_rd32(device, 0x610088); - - if (intr & 0x00000001) { - u32 stat = nv_rd32(device, 0x61008c); - nv_wr32(device, 0x61008c, stat); - intr &= ~0x00000001; - } - - if (intr & 0x00000002) { - u32 stat = nv_rd32(device, 0x61009c); - int chid = ffs(stat) - 1; - if (chid >= 0) { - u32 mthd = nv_rd32(device, 0x6101f0 + (chid * 12)); - u32 data = nv_rd32(device, 0x6101f4 + (chid * 12)); - u32 unkn = nv_rd32(device, 0x6101f8 + (chid * 12)); - - NV_INFO(drm, "EvoCh: chid %d mthd 0x%04x data 0x%08x " - "0x%08x 0x%08x\n", - chid, (mthd & 0x0000ffc), data, mthd, unkn); - nv_wr32(device, 0x61009c, (1 << chid)); - nv_wr32(device, 0x6101f0 + (chid * 12), 0x90000000); - } - - intr &= ~0x00000002; - } - - if (intr & 0x00100000) { - u32 stat = nv_rd32(device, 0x6100ac); - - if (stat & 0x00000007) { - disp->modeset = stat; - tasklet_schedule(&disp->tasklet); - - nv_wr32(device, 0x6100ac, (stat & 0x00000007)); - stat &= ~0x00000007; - } - - if (stat) { - NV_INFO(drm, "PDISP: unknown intr24 0x%08x\n", stat); - nv_wr32(device, 0x6100ac, stat); - } - - intr &= ~0x00100000; - } - - intr &= ~0x0f000000; /* vblank, handled in core */ - if (intr) - NV_INFO(drm, "PDISP: unknown intr 0x%08x\n", intr); -} - -/****************************************************************************** * Init *****************************************************************************/ void @@ -2156,9 +1907,6 @@ nvd0_display_create(struct drm_device *dev) connector->funcs->destroy(connector); } - /* setup interrupt handling */ - tasklet_init(&disp->tasklet, nvd0_display_bh, (unsigned long)dev); - out: if (ret) nvd0_display_destroy(dev);