diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_sor.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv50_sor.c | 275 |
1 files changed, 51 insertions, 224 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c index a7844ab..c25c5938 100644 --- a/drivers/gpu/drm/nouveau/nv50_sor.c +++ b/drivers/gpu/drm/nouveau/nv50_sor.c @@ -36,193 +36,6 @@ #include "nouveau_crtc.h" #include "nv50_display.h" -static u32 -nv50_sor_dp_lane_map(struct drm_device *dev, struct dcb_entry *dcb, u8 lane) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - static const u8 nvaf[] = { 24, 16, 8, 0 }; /* thanks, apple.. */ - static const u8 nv50[] = { 16, 8, 0, 24 }; - if (dev_priv->card_type == 0xaf) - return nvaf[lane]; - return nv50[lane]; -} - -static void -nv50_sor_dp_train_set(struct drm_device *dev, struct dcb_entry *dcb, u8 pattern) -{ - u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - nv_mask(dev, NV50_SOR_DP_CTRL(or, link), 0x0f000000, pattern << 24); -} - -static void -nv50_sor_dp_train_adj(struct drm_device *dev, struct dcb_entry *dcb, - u8 lane, u8 swing, u8 preem) -{ - u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - u32 shift = nv50_sor_dp_lane_map(dev, dcb, lane); - u32 mask = 0x000000ff << shift; - u8 *table, *entry, *config; - - table = nouveau_dp_bios_data(dev, dcb, &entry); - if (!table || (table[0] != 0x20 && table[0] != 0x21)) { - NV_ERROR(dev, "PDISP: unsupported DP table for chipset\n"); - return; - } - - config = entry + table[4]; - while (config[0] != swing || config[1] != preem) { - config += table[5]; - if (config >= entry + table[4] + entry[4] * table[5]) - return; - } - - nv_mask(dev, NV50_SOR_DP_UNK118(or, link), mask, config[2] << shift); - nv_mask(dev, NV50_SOR_DP_UNK120(or, link), mask, config[3] << shift); - nv_mask(dev, NV50_SOR_DP_UNK130(or, link), 0x0000ff00, config[4] << 8); -} - -static void -nv50_sor_dp_link_set(struct drm_device *dev, struct dcb_entry *dcb, int crtc, - int link_nr, u32 link_bw, bool enhframe) -{ - u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - u32 dpctrl = nv_rd32(dev, NV50_SOR_DP_CTRL(or, link)) & ~0x001f4000; - u32 clksor = nv_rd32(dev, 0x614300 + (or * 0x800)) & ~0x000c0000; - u8 *table, *entry, mask; - int i; - - table = nouveau_dp_bios_data(dev, dcb, &entry); - if (!table || (table[0] != 0x20 && table[0] != 0x21)) { - NV_ERROR(dev, "PDISP: unsupported DP table for chipset\n"); - return; - } - - entry = ROMPTR(dev, entry[10]); - if (entry) { - while (link_bw < ROM16(entry[0]) * 10) - entry += 4; - - nouveau_bios_run_init_table(dev, ROM16(entry[2]), dcb, crtc); - } - - dpctrl |= ((1 << link_nr) - 1) << 16; - if (enhframe) - dpctrl |= 0x00004000; - - if (link_bw > 162000) - clksor |= 0x00040000; - - nv_wr32(dev, 0x614300 + (or * 0x800), clksor); - nv_wr32(dev, NV50_SOR_DP_CTRL(or, link), dpctrl); - - mask = 0; - for (i = 0; i < link_nr; i++) - mask |= 1 << (nv50_sor_dp_lane_map(dev, dcb, i) >> 3); - nv_mask(dev, NV50_SOR_DP_UNK130(or, link), 0x0000000f, mask); -} - -static void -nv50_sor_dp_link_get(struct drm_device *dev, u32 or, u32 link, u32 *nr, u32 *bw) -{ - u32 dpctrl = nv_rd32(dev, NV50_SOR_DP_CTRL(or, link)) & 0x000f0000; - u32 clksor = nv_rd32(dev, 0x614300 + (or * 0x800)); - if (clksor & 0x000c0000) - *bw = 270000; - else - *bw = 162000; - - if (dpctrl > 0x00030000) *nr = 4; - else if (dpctrl > 0x00010000) *nr = 2; - else *nr = 1; -} - -void -nv50_sor_dp_calc_tu(struct drm_device *dev, int or, int link, u32 clk, u32 bpp) -{ - const u32 symbol = 100000; - int bestTU = 0, bestVTUi = 0, bestVTUf = 0, bestVTUa = 0; - int TU, VTUi, VTUf, VTUa; - u64 link_data_rate, link_ratio, unk; - u32 best_diff = 64 * symbol; - u32 link_nr, link_bw, r; - - /* calculate packed data rate for each lane */ - nv50_sor_dp_link_get(dev, or, link, &link_nr, &link_bw); - link_data_rate = (clk * bpp / 8) / link_nr; - - /* calculate ratio of packed data rate to link symbol rate */ - link_ratio = link_data_rate * symbol; - r = do_div(link_ratio, link_bw); - - for (TU = 64; TU >= 32; TU--) { - /* calculate average number of valid symbols in each TU */ - u32 tu_valid = link_ratio * TU; - u32 calc, diff; - - /* find a hw representation for the fraction.. */ - VTUi = tu_valid / symbol; - calc = VTUi * symbol; - diff = tu_valid - calc; - if (diff) { - if (diff >= (symbol / 2)) { - VTUf = symbol / (symbol - diff); - if (symbol - (VTUf * diff)) - VTUf++; - - if (VTUf <= 15) { - VTUa = 1; - calc += symbol - (symbol / VTUf); - } else { - VTUa = 0; - VTUf = 1; - calc += symbol; - } - } else { - VTUa = 0; - VTUf = min((int)(symbol / diff), 15); - calc += symbol / VTUf; - } - - diff = calc - tu_valid; - } else { - /* no remainder, but the hw doesn't like the fractional - * part to be zero. decrement the integer part and - * have the fraction add a whole symbol back - */ - VTUa = 0; - VTUf = 1; - VTUi--; - } - - if (diff < best_diff) { - best_diff = diff; - bestTU = TU; - bestVTUa = VTUa; - bestVTUf = VTUf; - bestVTUi = VTUi; - if (diff == 0) - break; - } - } - - if (!bestTU) { - NV_ERROR(dev, "DP: unable to find suitable config\n"); - return; - } - - /* XXX close to vbios numbers, but not right */ - unk = (symbol - link_ratio) * bestTU; - unk *= link_ratio; - r = do_div(unk, symbol); - r = do_div(unk, symbol); - unk += 6; - - nv_mask(dev, NV50_SOR_DP_CTRL(or, link), 0x000001fc, bestTU << 2); - nv_mask(dev, NV50_SOR_DP_SCFG(or, link), 0x010f7f3f, bestVTUa << 24 | - bestVTUf << 16 | - bestVTUi << 8 | - unk); -} static void nv50_sor_disconnect(struct drm_encoder *encoder) { @@ -247,8 +60,6 @@ nv50_sor_disconnect(struct drm_encoder *encoder) BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); OUT_RING (evo, 0); - nouveau_hdmi_mode_set(encoder, NULL); - nv_encoder->crtc = NULL; nv_encoder->last_dpms = DRM_MODE_DPMS_OFF; } @@ -304,13 +115,20 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode) } if (nv_encoder->dcb->type == OUTPUT_DP) { - struct dp_train_func func = { - .link_set = nv50_sor_dp_link_set, - .train_set = nv50_sor_dp_train_set, - .train_adj = nv50_sor_dp_train_adj - }; + struct nouveau_i2c_chan *auxch; + + auxch = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); + if (!auxch) + return; - nouveau_dp_dpms(encoder, mode, nv_encoder->dp.datarate, &func); + if (mode == DRM_MODE_DPMS_ON) { + u8 status = DP_SET_POWER_D0; + nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1); + nouveau_dp_link_train(encoder); + } else { + u8 status = DP_SET_POWER_D3; + nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1); + } } } @@ -342,8 +160,11 @@ nv50_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, } if (connector->scaling_mode != DRM_MODE_SCALE_NONE && - connector->native_mode) - drm_mode_copy(adjusted_mode, connector->native_mode); + connector->native_mode) { + int id = adjusted_mode->base.id; + *adjusted_mode = *connector->native_mode; + adjusted_mode->base.id = id; + } return true; } @@ -351,12 +172,6 @@ nv50_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, static void nv50_sor_prepare(struct drm_encoder *encoder) { - struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - nv50_sor_disconnect(encoder); - if (nv_encoder->dcb->type == OUTPUT_DP) { - /* avoid race between link training and supervisor intr */ - nv50_display_sync(encoder->dev); - } } static void @@ -365,43 +180,33 @@ nv50_sor_commit(struct drm_encoder *encoder) } static void -nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode, - struct drm_display_mode *mode) +nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) { struct nouveau_channel *evo = nv50_display(encoder->dev)->master; struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct drm_device *dev = encoder->dev; struct nouveau_crtc *crtc = nouveau_crtc(encoder->crtc); - struct nouveau_connector *nv_connector; uint32_t mode_ctl = 0; int ret; NV_DEBUG_KMS(dev, "or %d type %d -> crtc %d\n", nv_encoder->or, nv_encoder->dcb->type, crtc->index); - nv_encoder->crtc = encoder->crtc; + + nv50_sor_dpms(encoder, DRM_MODE_DPMS_ON); switch (nv_encoder->dcb->type) { case OUTPUT_TMDS: if (nv_encoder->dcb->sorconf.link & 1) { - if (mode->clock < 165000) + if (adjusted_mode->clock < 165000) mode_ctl = 0x0100; else mode_ctl = 0x0500; } else mode_ctl = 0x0200; - - nouveau_hdmi_mode_set(encoder, mode); break; case OUTPUT_DP: - nv_connector = nouveau_encoder_connector_get(nv_encoder); - if (nv_connector && nv_connector->base.display_info.bpc == 6) { - nv_encoder->dp.datarate = mode->clock * 18 / 8; - mode_ctl |= 0x00020000; - } else { - nv_encoder->dp.datarate = mode->clock * 24 / 8; - mode_ctl |= 0x00050000; - } - + mode_ctl |= (nv_encoder->dp.mc_unknown << 16); if (nv_encoder->dcb->sorconf.link & 1) mode_ctl |= 0x00000800; else @@ -416,22 +221,21 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode, else mode_ctl |= NV50_EVO_SOR_MODE_CTRL_CRTC0; - if (mode->flags & DRM_MODE_FLAG_NHSYNC) + if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) mode_ctl |= NV50_EVO_SOR_MODE_CTRL_NHSYNC; - if (mode->flags & DRM_MODE_FLAG_NVSYNC) + if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) mode_ctl |= NV50_EVO_SOR_MODE_CTRL_NVSYNC; - nv50_sor_dpms(encoder, DRM_MODE_DPMS_ON); - ret = RING_SPACE(evo, 2); if (ret) { NV_ERROR(dev, "no space while connecting SOR\n"); - nv_encoder->crtc = NULL; return; } BEGIN_RING(evo, 0, NV50_EVO_SOR(nv_encoder->or, MODE_CTRL), 1); OUT_RING(evo, mode_ctl); + + nv_encoder->crtc = encoder->crtc; } static struct drm_crtc * @@ -509,6 +313,29 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_entry *entry) encoder->possible_crtcs = entry->heads; encoder->possible_clones = 0; + if (nv_encoder->dcb->type == OUTPUT_DP) { + int or = nv_encoder->or, link = !(entry->dpconf.sor.link & 1); + uint32_t tmp; + + tmp = nv_rd32(dev, 0x61c700 + (or * 0x800)); + + switch ((tmp & 0x00000f00) >> 8) { + case 8: + case 9: + nv_encoder->dp.mc_unknown = (tmp & 0x000f0000) >> 16; + tmp = nv_rd32(dev, NV50_SOR_DP_CTRL(or, link)); + nv_encoder->dp.unk0 = tmp & 0x000001fc; + tmp = nv_rd32(dev, NV50_SOR_DP_UNK128(or, link)); + nv_encoder->dp.unk1 = tmp & 0x010f7f3f; + break; + default: + break; + } + + if (!nv_encoder->dp.mc_unknown) + nv_encoder->dp.mc_unknown = 5; + } + drm_mode_connector_attach_encoder(connector, encoder); return 0; } |