diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/Makefile | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/dport.c | 346 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/dport.h | 77 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nv50.c | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nv50.h | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nv94.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nva3.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c | 41 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/nve0.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c | 25 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c | 153 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c | 90 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/include/core/class.h | 19 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dp.c | 293 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 3 |
15 files changed, 570 insertions, 555 deletions
diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index d8374ec..1452507 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -159,6 +159,7 @@ nouveau-y += core/engine/disp/nva3.o nouveau-y += core/engine/disp/nvd0.o nouveau-y += core/engine/disp/nve0.o nouveau-y += core/engine/disp/dacnv50.o +nouveau-y += core/engine/disp/dport.o nouveau-y += core/engine/disp/hdanva3.o nouveau-y += core/engine/disp/hdanvd0.o nouveau-y += core/engine/disp/hdminv84.o diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/dport.c b/drivers/gpu/drm/nouveau/core/engine/disp/dport.c new file mode 100644 index 0000000..fa27b02 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/disp/dport.c @@ -0,0 +1,346 @@ +/* + * Copyright 2013 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include <subdev/bios.h> +#include <subdev/bios/dcb.h> +#include <subdev/bios/dp.h> +#include <subdev/bios/init.h> +#include <subdev/i2c.h> + +#include <engine/disp.h> + +#include "dport.h" + +#define DBG(fmt, args...) nv_debug(dp->disp, "DP:%04x:%04x: " fmt, \ + dp->outp->hasht, dp->outp->hashm, ##args) +#define ERR(fmt, args...) nv_error(dp->disp, "DP:%04x:%04x: " fmt, \ + dp->outp->hasht, dp->outp->hashm, ##args) + +/****************************************************************************** + * link training + *****************************************************************************/ +struct dp_state { + const struct nouveau_dp_func *func; + struct nouveau_disp *disp; + struct dcb_output *outp; + struct nvbios_dpout info; + u8 version; + struct nouveau_i2c_port *aux; + int head; + u8 dpcd[4]; + int link_nr; + u32 link_bw; + u8 stat[6]; + u8 conf[4]; +}; + +static int +dp_set_link_config(struct dp_state *dp) +{ + struct nouveau_disp *disp = dp->disp; + struct nouveau_bios *bios = nouveau_bios(disp); + struct nvbios_init init = { + .subdev = nv_subdev(dp->disp), + .bios = bios, + .offset = 0x0000, + .outp = dp->outp, + .crtc = dp->head, + .execute = 1, + }; + u32 lnkcmp; + u8 sink[2]; + + DBG("%d lanes at %d KB/s\n", dp->link_nr, dp->link_bw); + + /* set desired link configuration on the sink */ + sink[0] = dp->link_bw / 27000; + sink[1] = dp->link_nr; + if (dp->dpcd[DPCD_RC02] & DPCD_RC02_ENHANCED_FRAME_CAP) + sink[1] |= DPCD_LC01_ENHANCED_FRAME_EN; + + nv_wraux(dp->aux, DPCD_LC00, sink, 2); + + /* set desired link configuration on the source */ + if ((lnkcmp = dp->info.lnkcmp)) { + if (dp->version < 0x30) { + while ((dp->link_bw / 10) < nv_ro16(bios, lnkcmp)) + lnkcmp += 4; + init.offset = nv_ro16(bios, lnkcmp + 2); + } else { + while ((dp->link_bw / 27000) < nv_ro08(bios, lnkcmp)) + lnkcmp += 3; + init.offset = nv_ro16(bios, lnkcmp + 1); + } + + nvbios_exec(&init); + } + + return dp->func->lnk_ctl(dp->disp, dp->outp, dp->head, + dp->link_nr, dp->link_bw / 27000, + dp->dpcd[DPCD_RC02] & + DPCD_RC02_ENHANCED_FRAME_CAP); +} + +static void +dp_set_training_pattern(struct dp_state *dp, u8 pattern) +{ + u8 sink_tp; + + DBG("training pattern %d\n", pattern); + dp->func->pattern(dp->disp, dp->outp, dp->head, pattern); + + nv_rdaux(dp->aux, DPCD_LC02, &sink_tp, 1); + sink_tp &= ~DPCD_LC02_TRAINING_PATTERN_SET; + sink_tp |= pattern; + nv_wraux(dp->aux, DPCD_LC02, &sink_tp, 1); +} + +static int +dp_link_train_commit(struct dp_state *dp) +{ + int i; + + for (i = 0; i < dp->link_nr; i++) { + u8 lane = (dp->stat[4 + (i >> 1)] >> ((i & 1) * 4)) & 0xf; + u8 lpre = (lane & 0x0c) >> 2; + u8 lvsw = (lane & 0x03) >> 0; + + dp->conf[i] = (lpre << 3) | lvsw; + if (lvsw == 3) + dp->conf[i] |= DPCD_LC03_MAX_SWING_REACHED; + if (lpre == 3) + dp->conf[i] |= DPCD_LC03_MAX_PRE_EMPHASIS_REACHED; + + DBG("config lane %d %02x\n", i, dp->conf[i]); + dp->func->drv_ctl(dp->disp, dp->outp, dp->head, i, lvsw, lpre); + } + + return nv_wraux(dp->aux, DPCD_LC03(0), dp->conf, 4); +} + +static int +dp_link_train_update(struct dp_state *dp, u32 delay) +{ + int ret; + + udelay(delay); + + ret = nv_rdaux(dp->aux, DPCD_LS02, dp->stat, 6); + if (ret) + return ret; + + DBG("status %*ph\n", 6, dp->stat); + return 0; +} + +static int +dp_link_train_cr(struct dp_state *dp) +{ + bool cr_done = false, abort = false; + int voltage = dp->conf[0] & DPCD_LC03_VOLTAGE_SWING_SET; + int tries = 0, i; + + dp_set_training_pattern(dp, 1); + + do { + if (dp_link_train_commit(dp) || + dp_link_train_update(dp, 100)) + break; + + cr_done = true; + for (i = 0; i < dp->link_nr; i++) { + u8 lane = (dp->stat[i >> 1] >> ((i & 1) * 4)) & 0xf; + if (!(lane & DPCD_LS02_LANE0_CR_DONE)) { + cr_done = false; + if (dp->conf[i] & DPCD_LC03_MAX_SWING_REACHED) + abort = true; + break; + } + } + + if ((dp->conf[0] & DPCD_LC03_VOLTAGE_SWING_SET) != voltage) { + voltage = dp->conf[0] & DPCD_LC03_VOLTAGE_SWING_SET; + tries = 0; + } + } while (!cr_done && !abort && ++tries < 5); + + return cr_done ? 0 : -1; +} + +static int +dp_link_train_eq(struct dp_state *dp) +{ + bool eq_done, cr_done = true; + int tries = 0, i; + + dp_set_training_pattern(dp, 2); + + do { + if (dp_link_train_update(dp, 400)) + break; + + eq_done = !!(dp->stat[2] & DPCD_LS04_INTERLANE_ALIGN_DONE); + for (i = 0; i < dp->link_nr && eq_done; i++) { + u8 lane = (dp->stat[i >> 1] >> ((i & 1) * 4)) & 0xf; + if (!(lane & DPCD_LS02_LANE0_CR_DONE)) + cr_done = false; + if (!(lane & DPCD_LS02_LANE0_CHANNEL_EQ_DONE) || + !(lane & DPCD_LS02_LANE0_SYMBOL_LOCKED)) + eq_done = false; + } + + if (dp_link_train_commit(dp)) + break; + } while (!eq_done && cr_done && ++tries <= 5); + + return eq_done ? 0 : -1; +} + +static void +dp_link_train_init(struct dp_state *dp, bool spread) +{ + struct nvbios_init init = { + .subdev = nv_subdev(dp->disp), + .bios = nouveau_bios(dp->disp), + .outp = dp->outp, + .crtc = dp->head, + .execute = 1, + }; + + /* set desired spread */ + if (spread) + init.offset = dp->info.script[2]; + else + init.offset = dp->info.script[3]; + nvbios_exec(&init); + + /* pre-train script */ + init.offset = dp->info.script[0]; + nvbios_exec(&init); +} + +static void +dp_link_train_fini(struct dp_state *dp) +{ + struct nvbios_init init = { + .subdev = nv_subdev(dp->disp), + .bios = nouveau_bios(dp->disp), + .outp = dp->outp, + .crtc = dp->head, + .execute = 1, + }; + + /* post-train script */ + init.offset = dp->info.script[1], + nvbios_exec(&init); +} + +int +nouveau_dp_train(struct nouveau_disp *disp, const struct nouveau_dp_func *func, + struct dcb_output *outp, int head, u32 datarate) +{ + struct nouveau_bios *bios = nouveau_bios(disp); + struct nouveau_i2c *i2c = nouveau_i2c(disp); + struct dp_state _dp = { + .disp = disp, + .func = func, + .outp = outp, + .head = head, + }, *dp = &_dp; + const u32 bw_list[] = { 270000, 162000, 0 }; + const u32 *link_bw = bw_list; + u8 hdr, cnt, len; + u32 data; + int ret; + + /* find the bios displayport data relevant to this output */ + data = nvbios_dpout_match(bios, outp->hasht, outp->hashm, &dp->version, + &hdr, &cnt, &len, &dp->info); + if (!data) { + ERR("bios data not found\n"); + return -EINVAL; + } + + /* acquire the aux channel and fetch some info about the display */ + if (outp->location) + dp->aux = i2c->find_type(i2c, NV_I2C_TYPE_EXTAUX(outp->extdev)); + else + dp->aux = i2c->find(i2c, NV_I2C_TYPE_DCBI2C(outp->i2c_index)); + if (!dp->aux) { + ERR("no aux channel?!\n"); + return -ENODEV; + } + + ret = nv_rdaux(dp->aux, 0x00000, dp->dpcd, sizeof(dp->dpcd)); + if (ret) { + ERR("failed to read DPCD\n"); + return ret; + } + + /* adjust required bandwidth for 8B/10B coding overhead */ + datarate = (datarate / 8) * 10; + + /* enable down-spreading and execute pre-train script from vbios */ + dp_link_train_init(dp, dp->dpcd[3] & 0x01); + + /* start off at highest link rate supported by encoder and display */ + while (*link_bw > (dp->dpcd[1] * 27000)) + link_bw++; + + while (link_bw[0]) { + /* find minimum required lane count at this link rate */ + dp->link_nr = dp->dpcd[2] & DPCD_RC02_MAX_LANE_COUNT; + while ((dp->link_nr >> 1) * link_bw[0] > datarate) + dp->link_nr >>= 1; + + /* drop link rate to minimum with this lane count */ + while ((link_bw[1] * dp->link_nr) > datarate) + link_bw++; + dp->link_bw = link_bw[0]; + + /* program selected link configuration */ + ret = dp_set_link_config(dp); + if (ret == 0) { + /* attempt to train the link at this configuration */ + memset(dp->stat, 0x00, sizeof(dp->stat)); + if (!dp_link_train_cr(dp) && + !dp_link_train_eq(dp)) + break; + } else + if (ret >= 1) { + /* dp_set_link_config() handled training */ + break; + } + + /* retry at lower rate */ + link_bw++; + } + + /* finish link training */ + dp_set_training_pattern(dp, 0); + + /* execute post-train script from vbios */ + dp_link_train_fini(dp); + return true; +} diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/dport.h b/drivers/gpu/drm/nouveau/core/engine/disp/dport.h new file mode 100644 index 0000000..d0acd01 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/disp/dport.h @@ -0,0 +1,77 @@ +#ifndef __NVKM_DISP_DPORT_H__ +#define __NVKM_DISP_DPORT_H__ + +/* DPCD Receiver Capabilities */ +#define DPCD_RC00 0x00000 +#define DPCD_RC00_DPCD_REV 0xff +#define DPCD_RC01 0x00001 +#define DPCD_RC01_MAX_LINK_RATE 0xff +#define DPCD_RC02 0x00002 +#define DPCD_RC02_ENHANCED_FRAME_CAP 0x80 +#define DPCD_RC02_MAX_LANE_COUNT 0x1f +#define DPCD_RC03 0x00003 +#define DPCD_RC03_MAX_DOWNSPREAD 0x01 + +/* DPCD Link Configuration */ +#define DPCD_LC00 0x00100 +#define DPCD_LC00_LINK_BW_SET 0xff +#define DPCD_LC01 0x00101 +#define DPCD_LC01_ENHANCED_FRAME_EN 0x80 +#define DPCD_LC01_LANE_COUNT_SET 0x1f +#define DPCD_LC02 0x00102 +#define DPCD_LC02_TRAINING_PATTERN_SET 0x03 +#define DPCD_LC03(l) ((l) + 0x00103) +#define DPCD_LC03_MAX_PRE_EMPHASIS_REACHED 0x20 +#define DPCD_LC03_PRE_EMPHASIS_SET 0x18 +#define DPCD_LC03_MAX_SWING_REACHED 0x04 +#define DPCD_LC03_VOLTAGE_SWING_SET 0x03 + +/* DPCD Link/Sink Status */ +#define DPCD_LS02 0x00202 +#define DPCD_LS02_LANE1_SYMBOL_LOCKED 0x40 +#define DPCD_LS02_LANE1_CHANNEL_EQ_DONE 0x20 +#define DPCD_LS02_LANE1_CR_DONE 0x10 +#define DPCD_LS02_LANE0_SYMBOL_LOCKED 0x04 +#define DPCD_LS02_LANE0_CHANNEL_EQ_DONE 0x02 +#define DPCD_LS02_LANE0_CR_DONE 0x01 +#define DPCD_LS03 0x00203 +#define DPCD_LS03_LANE3_SYMBOL_LOCKED 0x40 +#define DPCD_LS03_LANE3_CHANNEL_EQ_DONE 0x20 +#define DPCD_LS03_LANE3_CR_DONE 0x10 +#define DPCD_LS03_LANE2_SYMBOL_LOCKED 0x04 +#define DPCD_LS03_LANE2_CHANNEL_EQ_DONE 0x02 +#define DPCD_LS03_LANE2_CR_DONE 0x01 +#define DPCD_LS04 0x00204 +#define DPCD_LS04_LINK_STATUS_UPDATED 0x80 +#define DPCD_LS04_DOWNSTREAM_PORT_STATUS_CHANGED 0x40 +#define DPCD_LS04_INTERLANE_ALIGN_DONE 0x01 +#define DPCD_LS06 0x00206 +#define DPCD_LS06_LANE1_PRE_EMPHASIS 0xc0 +#define DPCD_LS06_LANE1_VOLTAGE_SWING 0x30 +#define DPCD_LS06_LANE0_PRE_EMPHASIS 0x0c +#define DPCD_LS06_LANE0_VOLTAGE_SWING 0x03 +#define DPCD_LS07 0x00207 +#define DPCD_LS07_LANE3_PRE_EMPHASIS 0xc0 +#define DPCD_LS07_LANE3_VOLTAGE_SWING 0x30 +#define DPCD_LS07_LANE2_PRE_EMPHASIS 0x0c +#define DPCD_LS07_LANE2_VOLTAGE_SWING 0x03 + +struct nouveau_disp; +struct dcb_output; + +struct nouveau_dp_func { + int (*pattern)(struct nouveau_disp *, struct dcb_output *, + int head, int pattern); + int (*lnk_ctl)(struct nouveau_disp *, struct dcb_output *, int head, + int link_nr, int link_bw, bool enh_frame); + int (*drv_ctl)(struct nouveau_disp *, struct dcb_output *, int head, + int lane, int swing, int preem); +}; + +extern const struct nouveau_dp_func nv94_sor_dp_func; +extern const struct nouveau_dp_func nvd0_sor_dp_func; + +int nouveau_dp_train(struct nouveau_disp *, const struct nouveau_dp_func *, + struct dcb_output *, int, u32); + +#endif diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index d22f656..a4e2112 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -911,7 +911,7 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int id, u32 pclk, } data = nvbios_ocfg_match(bios, data, conf, &ver, &hdr, &cnt, &len, &info2); - if (data) { + if (data && id < 0xff) { data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk); if (data) { struct nvbios_init init = { @@ -1078,8 +1078,28 @@ nv50_disp_intr_unk20(struct nv50_disp_priv *priv, u32 super) head = ffs((super & 0x00000180) >> 7) - 1; if (head >= 0) { u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff; - u32 conf = exec_clkcmp(priv, head, 0, pclk, &outp); + u32 conf = exec_clkcmp(priv, head, 0xff, pclk, &outp); if (conf != ~0) { + if (outp.location == 0 && outp.type == DCB_OUTPUT_DP) { + u32 soff = (ffs(outp.or) - 1) * 0x08; + u32 ctrl = nv_rd32(priv, 0x610798 + 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->sor.dp, + &outp, head, datarate); + } + + exec_clkcmp(priv, head, 0, pclk, &outp); + if (outp.type == DCB_OUTPUT_ANALOG) { addr = 0x614280 + (ffs(outp.or) - 1) * 0x800; mask = 0xffffffff; @@ -1128,10 +1148,9 @@ 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 (outp.type == DCB_OUTPUT_TMDS) + 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); - } } nv_wr32(priv, 0x610030, 0x80000000); diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h index b88a621..781a816 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.h @@ -10,7 +10,7 @@ #include <engine/dmaobj.h> #include <engine/disp.h> -struct dcb_output; +#include "dport.h" struct nv50_disp_priv { struct nouveau_disp base; @@ -32,22 +32,8 @@ struct nv50_disp_priv { int (*power)(struct nv50_disp_priv *, int sor, u32 data); int (*hda_eld)(struct nv50_disp_priv *, int sor, u8 *, u32); int (*hdmi)(struct nv50_disp_priv *, int head, int sor, u32); - int (*dp_train_init)(struct nv50_disp_priv *, int sor, int link, - int head, u16 type, u16 mask, u32 data, - struct dcb_output *); - int (*dp_train_fini)(struct nv50_disp_priv *, int sor, int link, - int head, u16 type, u16 mask, u32 data, - struct dcb_output *); - int (*dp_train)(struct nv50_disp_priv *, int sor, int link, - u16 type, u16 mask, u32 data, - struct dcb_output *); - int (*dp_lnkctl)(struct nv50_disp_priv *, int sor, int link, - int head, u16 type, u16 mask, u32 data, - struct dcb_output *); - int (*dp_drvctl)(struct nv50_disp_priv *, int sor, int link, - int lane, u16 type, u16 mask, u32 data, - struct dcb_output *); u32 lvdsconf; + const struct nouveau_dp_func *dp; } sor; }; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c index a838bdd..a449890 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv94.c @@ -44,12 +44,6 @@ nv94_disp_base_omthds[] = { { SOR_MTHD(NV50_DISP_SOR_PWR) , nv50_sor_mthd }, { SOR_MTHD(NV84_DISP_SOR_HDMI_PWR) , nv50_sor_mthd }, { SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_TRAIN) , nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_LNKCTL) , nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(0)), nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(1)), nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(2)), nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(3)), nv50_sor_mthd }, { DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd }, { DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd }, {}, @@ -87,11 +81,7 @@ nv94_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, priv->dac.sense = nv50_dac_sense; priv->sor.power = nv50_sor_power; priv->sor.hdmi = nv84_hdmi_ctrl; - priv->sor.dp_train = nv94_sor_dp_train; - priv->sor.dp_train_init = nv94_sor_dp_train_init; - priv->sor.dp_train_fini = nv94_sor_dp_train_fini; - priv->sor.dp_lnkctl = nv94_sor_dp_lnkctl; - priv->sor.dp_drvctl = nv94_sor_dp_drvctl; + priv->sor.dp = &nv94_sor_dp_func; return 0; } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c index bd2bb47..2f78c94 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nva3.c @@ -45,12 +45,6 @@ nva3_disp_base_omthds[] = { { SOR_MTHD(NVA3_DISP_SOR_HDA_ELD) , nv50_sor_mthd }, { SOR_MTHD(NV84_DISP_SOR_HDMI_PWR) , nv50_sor_mthd }, { SOR_MTHD(NV50_DISP_SOR_LVDS_SCRIPT) , nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_TRAIN) , nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_LNKCTL) , nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(0)), nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(1)), nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(2)), nv50_sor_mthd }, - { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(3)), nv50_sor_mthd }, { DAC_MTHD(NV50_DISP_DAC_PWR) , nv50_dac_mthd }, { DAC_MTHD(NV50_DISP_DAC_LOAD) , nv50_dac_mthd }, {}, @@ -89,11 +83,7 @@ nva3_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, priv->sor.power = nv50_sor_power; priv->sor.hda_eld = nva3_hda_eld; priv->sor.hdmi = nva3_hdmi_ctrl; - priv->sor.dp_train = nv94_sor_dp_train; - priv->sor.dp_train_init = nv94_sor_dp_train_init; - priv->sor.dp_train_fini = nv94_sor_dp_train_fini; - priv->sor.dp_lnkctl = nv94_sor_dp_lnkctl; - priv->sor.dp_drvctl = nv94_sor_dp_drvctl; + priv->sor.dp = &nv94_sor_dp_func; return 0; } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c index 1c91eb1..7106a72 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c @@ -650,20 +650,19 @@ 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) + u32 ctrl, int id, u32 pclk, struct dcb_output *dcb) { struct nouveau_bios *bios = nouveau_bios(priv); struct nvbios_outp info1; struct nvbios_ocfg info2; - struct dcb_output dcb; u8 ver, hdr, cnt, len; u32 data, conf = ~0; - data = exec_lookup(priv, head, outp, ctrl, &dcb, &ver, &hdr, &cnt, &len, &info1); + data = exec_lookup(priv, head, outp, ctrl, dcb, &ver, &hdr, &cnt, &len, &info1); if (data == 0x0000) return conf; - switch (dcb.type) { + switch (dcb->type) { case DCB_OUTPUT_TMDS: conf = (ctrl & 0x00000f00) >> 8; if (pclk >= 165000) @@ -682,14 +681,14 @@ exec_clkcmp(struct nv50_disp_priv *priv, int head, int outp, } data = nvbios_ocfg_match(bios, data, conf, &ver, &hdr, &cnt, &len, &info2); - if (data) { + if (data && id < 0xff) { 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, + .outp = dcb, .crtc = head, .execute = 1, }; @@ -764,6 +763,7 @@ 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) { + struct dcb_output outp; u32 pclk; int i; @@ -785,9 +785,27 @@ nvd0_display_unk2_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) 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, 0, pclk); + 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; @@ -820,6 +838,7 @@ nvd0_display_unk2_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) static void nvd0_display_unk4_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) { + struct dcb_output outp; int pclk, i; pclk = nv_rd32(priv, 0x660450 + (head * 0x300)) / 1000; @@ -827,7 +846,7 @@ nvd0_display_unk4_handler(struct nv50_disp_priv *priv, u32 head, u32 mask) 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); + exec_clkcmp(priv, head, i, mcp, 1, pclk, &outp); } nv_wr32(priv, 0x6101d4, 0x00000000); @@ -943,11 +962,7 @@ nvd0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, priv->sor.power = nv50_sor_power; priv->sor.hda_eld = nvd0_hda_eld; priv->sor.hdmi = nvd0_hdmi_ctrl; - priv->sor.dp_train = nvd0_sor_dp_train; - priv->sor.dp_train_init = nv94_sor_dp_train_init; - priv->sor.dp_train_fini = nv94_sor_dp_train_fini; - priv->sor.dp_lnkctl = nvd0_sor_dp_lnkctl; - priv->sor.dp_drvctl = nvd0_sor_dp_drvctl; + priv->sor.dp = &nvd0_sor_dp_func; return 0; } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c index 65c19ca..20725b3 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nve0.c @@ -73,11 +73,7 @@ nve0_disp_ctor(struct nouveau_object *parent, struct nouveau_object *engine, priv->sor.power = nv50_sor_power; priv->sor.hda_eld = nvd0_hda_eld; priv->sor.hdmi = nvd0_hdmi_ctrl; - priv->sor.dp_train = nvd0_sor_dp_train; - priv->sor.dp_train_init = nv94_sor_dp_train_init; - priv->sor.dp_train_fini = nv94_sor_dp_train_fini; - priv->sor.dp_lnkctl = nvd0_sor_dp_lnkctl; - priv->sor.dp_drvctl = nvd0_sor_dp_drvctl; + priv->sor.dp = &nvd0_sor_dp_func; return 0; } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c index 39b6b677..ab1e918 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c @@ -79,31 +79,6 @@ nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size) priv->sor.lvdsconf = data & NV50_DISP_SOR_LVDS_SCRIPT_ID; ret = 0; break; - case NV94_DISP_SOR_DP_TRAIN: - switch (data & NV94_DISP_SOR_DP_TRAIN_OP) { - case NV94_DISP_SOR_DP_TRAIN_OP_PATTERN: - ret = priv->sor.dp_train(priv, or, link, type, mask, data, &outp); - break; - case NV94_DISP_SOR_DP_TRAIN_OP_INIT: - ret = priv->sor.dp_train_init(priv, or, link, head, type, mask, data, &outp); - break; - case NV94_DISP_SOR_DP_TRAIN_OP_FINI: - ret = priv->sor.dp_train_fini(priv, or, link, head, type, mask, data, &outp); - break; - default: - break; - } - break; - case NV94_DISP_SOR_DP_LNKCTL: - ret = priv->sor.dp_lnkctl(priv, or, link, head, type, mask, data, &outp); - break; - case NV94_DISP_SOR_DP_DRVCTL(0): - case NV94_DISP_SOR_DP_DRVCTL(1): - case NV94_DISP_SOR_DP_DRVCTL(2): - case NV94_DISP_SOR_DP_DRVCTL(3): - ret = priv->sor.dp_drvctl(priv, or, link, (mthd & 0xc0) >> 6, - type, mask, data, &outp); - break; default: BUG_ON(1); } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c index f6edd00..7ec4ee83 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c @@ -33,124 +33,53 @@ #include "nv50.h" static inline u32 -nv94_sor_dp_lane_map(struct nv50_disp_priv *priv, u8 lane) +nv94_sor_soff(struct dcb_output *outp) { - static const u8 nvaf[] = { 24, 16, 8, 0 }; /* thanks, apple.. */ - static const u8 nv94[] = { 16, 8, 0, 24 }; - if (nv_device(priv)->chipset == 0xaf) - return nvaf[lane]; - return nv94[lane]; + return (ffs(outp->or) - 1) * 0x800; } -int -nv94_sor_dp_train_init(struct nv50_disp_priv *priv, int or, int link, int head, - u16 type, u16 mask, u32 data, struct dcb_output *dcbo) +static inline u32 +nv94_sor_loff(struct dcb_output *outp) { - struct nouveau_bios *bios = nouveau_bios(priv); - struct nvbios_dpout info; - u8 ver, hdr, cnt, len; - u16 outp; - - outp = nvbios_dpout_match(bios, type, mask, &ver, &hdr, &cnt, &len, &info); - if (outp) { - struct nvbios_init init = { - .subdev = nv_subdev(priv), - .bios = bios, - .outp = dcbo, - .crtc = head, - .execute = 1, - }; - - if (data & NV94_DISP_SOR_DP_TRAIN_INIT_SPREAD_ON) - init.offset = info.script[2]; - else - init.offset = info.script[3]; - nvbios_exec(&init); - - init.offset = info.script[0]; - nvbios_exec(&init); - } - - return 0; + return nv94_sor_soff(outp) + !(outp->sorconf.link & 1) * 0x80; } -int -nv94_sor_dp_train_fini(struct nv50_disp_priv *priv, int or, int link, int head, - u16 type, u16 mask, u32 data, struct dcb_output *dcbo) +static inline u32 +nv94_sor_dp_lane_map(struct nv50_disp_priv *priv, u8 lane) { - struct nouveau_bios *bios = nouveau_bios(priv); - struct nvbios_dpout info; - u8 ver, hdr, cnt, len; - u16 outp; - - outp = nvbios_dpout_match(bios, type, mask, &ver, &hdr, &cnt, &len, &info); - if (outp) { - struct nvbios_init init = { - .subdev = nv_subdev(priv), - .bios = bios, - .offset = info.script[1], - .outp = dcbo, - .crtc = head, - .execute = 1, - }; - - nvbios_exec(&init); - } - - return 0; + static const u8 nvaf[] = { 24, 16, 8, 0 }; /* thanks, apple.. */ + static const u8 nv94[] = { 16, 8, 0, 24 }; + if (nv_device(priv)->chipset == 0xaf) + return nvaf[lane]; + return nv94[lane]; } -int -nv94_sor_dp_train(struct nv50_disp_priv *priv, int or, int link, - u16 type, u16 mask, u32 data, struct dcb_output *info) +static int +nv94_sor_dp_pattern(struct nouveau_disp *disp, struct dcb_output *outp, + int head, int pattern) { - const u32 loff = (or * 0x800) + (link * 0x80); - const u32 patt = (data & NV94_DISP_SOR_DP_TRAIN_PATTERN); - nv_mask(priv, 0x61c10c + loff, 0x0f000000, patt << 24); + struct nv50_disp_priv *priv = (void *)disp; + const u32 loff = nv94_sor_loff(outp); + nv_mask(priv, 0x61c10c + loff, 0x0f000000, pattern << 24); return 0; } -int -nv94_sor_dp_lnkctl(struct nv50_disp_priv *priv, int or, int link, int head, - u16 type, u16 mask, u32 data, struct dcb_output *dcbo) +static int +nv94_sor_dp_lnk_ctl(struct nouveau_disp *disp, struct dcb_output *outp, + int head, int link_nr, int link_bw, bool enh_frame) { - struct nouveau_bios *bios = nouveau_bios(priv); - const u32 loff = (or * 0x800) + (link * 0x80); - const u32 soff = (or * 0x800); - u16 link_bw = (data & NV94_DISP_SOR_DP_LNKCTL_WIDTH) >> 8; - u8 link_nr = (data & NV94_DISP_SOR_DP_LNKCTL_COUNT); + struct nv50_disp_priv *priv = (void *)disp; + const u32 soff = nv94_sor_soff(outp); + const u32 loff = nv94_sor_loff(outp); u32 dpctrl = 0x00000000; u32 clksor = 0x00000000; - u32 outp, lane = 0; - u8 ver, hdr, cnt, len; - struct nvbios_dpout info; + u32 lane = 0; int i; - /* -> 10Khz units */ - link_bw *= 2700; - - outp = nvbios_dpout_match(bios, type, mask, &ver, &hdr, &cnt, &len, &info); - if (outp && info.lnkcmp) { - struct nvbios_init init = { - .subdev = nv_subdev(priv), - .bios = bios, - .offset = 0x0000, - .outp = dcbo, - .crtc = head, - .execute = 1, - }; - - while (link_bw < nv_ro16(bios, info.lnkcmp)) - info.lnkcmp += 4; - init.offset = nv_ro16(bios, info.lnkcmp + 2); - - nvbios_exec(&init); - } - dpctrl |= ((1 << link_nr) - 1) << 16; - if (data & NV94_DISP_SOR_DP_LNKCTL_FRAME_ENH) + if (enh_frame) dpctrl |= 0x00004000; - if (link_bw > 16200) + if (link_bw > 0x06) clksor |= 0x00040000; for (i = 0; i < link_nr; i++) @@ -162,24 +91,25 @@ nv94_sor_dp_lnkctl(struct nv50_disp_priv *priv, int or, int link, int head, return 0; } -int -nv94_sor_dp_drvctl(struct nv50_disp_priv *priv, int or, int link, int lane, - u16 type, u16 mask, u32 data, struct dcb_output *dcbo) +static int +nv94_sor_dp_drv_ctl(struct nouveau_disp *disp, struct dcb_output *outp, + int head, int lane, int swing, int preem) { - struct nouveau_bios *bios = nouveau_bios(priv); - const u32 loff = (or * 0x800) + (link * 0x80); - const u8 swing = (data & NV94_DISP_SOR_DP_DRVCTL_VS) >> 8; - const u8 preem = (data & NV94_DISP_SOR_DP_DRVCTL_PE); + struct nouveau_bios *bios = nouveau_bios(disp); + struct nv50_disp_priv *priv = (void *)disp; + const u32 loff = nv94_sor_loff(outp); u32 addr, shift = nv94_sor_dp_lane_map(priv, lane); u8 ver, hdr, cnt, len; - struct nvbios_dpout outp; + struct nvbios_dpout info; struct nvbios_dpcfg ocfg; - addr = nvbios_dpout_match(bios, type, mask, &ver, &hdr, &cnt, &len, &outp); + addr = nvbios_dpout_match(bios, outp->hasht, outp->hashm, + &ver, &hdr, &cnt, &len, &info); if (!addr) return -ENODEV; - addr = nvbios_dpcfg_match(bios, addr, 0, swing, preem, &ver, &hdr, &cnt, &len, &ocfg); + addr = nvbios_dpcfg_match(bios, addr, 0, swing, preem, + &ver, &hdr, &cnt, &len, &ocfg); if (!addr) return -EINVAL; @@ -188,3 +118,10 @@ nv94_sor_dp_drvctl(struct nv50_disp_priv *priv, int or, int link, int lane, nv_mask(priv, 0x61c130 + loff, 0x0000ff00, ocfg.unk << 8); return 0; } + +const struct nouveau_dp_func +nv94_sor_dp_func = { + .pattern = nv94_sor_dp_pattern, + .lnk_ctl = nv94_sor_dp_lnk_ctl, + .drv_ctl = nv94_sor_dp_drv_ctl, +}; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c index c37ce7e..9e1d435 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c @@ -33,59 +33,49 @@ #include "nv50.h" static inline u32 +nvd0_sor_soff(struct dcb_output *outp) +{ + return (ffs(outp->or) - 1) * 0x800; +} + +static inline u32 +nvd0_sor_loff(struct dcb_output *outp) +{ + return nvd0_sor_soff(outp) + !(outp->sorconf.link & 1) * 0x80; +} + +static inline u32 nvd0_sor_dp_lane_map(struct nv50_disp_priv *priv, u8 lane) { static const u8 nvd0[] = { 16, 8, 0, 24 }; return nvd0[lane]; } -int -nvd0_sor_dp_train(struct nv50_disp_priv *priv, int or, int link, - u16 type, u16 mask, u32 data, struct dcb_output *info) +static int +nvd0_sor_dp_pattern(struct nouveau_disp *disp, struct dcb_output *outp, + int head, int pattern) { - const u32 loff = (or * 0x800) + (link * 0x80); - const u32 patt = (data & NV94_DISP_SOR_DP_TRAIN_PATTERN); - nv_mask(priv, 0x61c110 + loff, 0x0f0f0f0f, 0x01010101 * patt); + struct nv50_disp_priv *priv = (void *)disp; + const u32 loff = nvd0_sor_loff(outp); + nv_mask(priv, 0x61c110 + loff, 0x0f0f0f0f, 0x01010101 * pattern); return 0; } -int -nvd0_sor_dp_lnkctl(struct nv50_disp_priv *priv, int or, int link, int head, - u16 type, u16 mask, u32 data, struct dcb_output *dcbo) +static int +nvd0_sor_dp_lnk_ctl(struct nouveau_disp *disp, struct dcb_output *outp, + int head, int link_nr, int link_bw, bool enh_frame) { - struct nouveau_bios *bios = nouveau_bios(priv); - const u32 loff = (or * 0x800) + (link * 0x80); - const u32 soff = (or * 0x800); - const u8 link_bw = (data & NV94_DISP_SOR_DP_LNKCTL_WIDTH) >> 8; - const u8 link_nr = (data & NV94_DISP_SOR_DP_LNKCTL_COUNT); + struct nv50_disp_priv *priv = (void *)disp; + const u32 soff = nvd0_sor_soff(outp); + const u32 loff = nvd0_sor_loff(outp); u32 dpctrl = 0x00000000; u32 clksor = 0x00000000; - u32 outp, lane = 0; - u8 ver, hdr, cnt, len; - struct nvbios_dpout info; + u32 lane = 0; int i; - outp = nvbios_dpout_match(bios, type, mask, &ver, &hdr, &cnt, &len, &info); - if (outp && info.lnkcmp) { - struct nvbios_init init = { - .subdev = nv_subdev(priv), - .bios = bios, - .offset = 0x0000, - .outp = dcbo, - .crtc = head, - .execute = 1, - }; - - while (nv_ro08(bios, info.lnkcmp) < link_bw) - info.lnkcmp += 3; - init.offset = nv_ro16(bios, info.lnkcmp + 1); - - nvbios_exec(&init); - } - clksor |= link_bw << 18; dpctrl |= ((1 << link_nr) - 1) << 16; - if (data & NV94_DISP_SOR_DP_LNKCTL_FRAME_ENH) + if (enh_frame) dpctrl |= 0x00004000; for (i = 0; i < link_nr; i++) @@ -97,24 +87,25 @@ nvd0_sor_dp_lnkctl(struct nv50_disp_priv *priv, int or, int link, int head, return 0; } -int -nvd0_sor_dp_drvctl(struct nv50_disp_priv *priv, int or, int link, int lane, - u16 type, u16 mask, u32 data, struct dcb_output *dcbo) +static int +nvd0_sor_dp_drv_ctl(struct nouveau_disp *disp, struct dcb_output *outp, + int head, int lane, int swing, int preem) { - struct nouveau_bios *bios = nouveau_bios(priv); - const u32 loff = (or * 0x800) + (link * 0x80); - const u8 swing = (data & NV94_DISP_SOR_DP_DRVCTL_VS) >> 8; - const u8 preem = (data & NV94_DISP_SOR_DP_DRVCTL_PE); + struct nouveau_bios *bios = nouveau_bios(disp); + struct nv50_disp_priv *priv = (void *)disp; + const u32 loff = nvd0_sor_loff(outp); u32 addr, shift = nvd0_sor_dp_lane_map(priv, lane); u8 ver, hdr, cnt, len; - struct nvbios_dpout outp; + struct nvbios_dpout info; struct nvbios_dpcfg ocfg; - addr = nvbios_dpout_match(bios, type, mask, &ver, &hdr, &cnt, &len, &outp); + addr = nvbios_dpout_match(bios, outp->hasht, outp->hashm, + &ver, &hdr, &cnt, &len, &info); if (!addr) return -ENODEV; - addr = nvbios_dpcfg_match(bios, addr, 0, swing, preem, &ver, &hdr, &cnt, &len, &ocfg); + addr = nvbios_dpcfg_match(bios, addr, 0, swing, preem, + &ver, &hdr, &cnt, &len, &ocfg); if (!addr) return -EINVAL; @@ -124,3 +115,10 @@ nvd0_sor_dp_drvctl(struct nv50_disp_priv *priv, int or, int link, int lane, nv_mask(priv, 0x61c13c + loff, 0x00000000, 0x00000000); return 0; } + +const struct nouveau_dp_func +nvd0_sor_dp_func = { + .pattern = nvd0_sor_dp_pattern, + .lnk_ctl = nvd0_sor_dp_lnk_ctl, + .drv_ctl = nvd0_sor_dp_drv_ctl, +}; diff --git a/drivers/gpu/drm/nouveau/core/include/core/class.h b/drivers/gpu/drm/nouveau/core/include/core/class.h index 994a280..86515cc 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/class.h +++ b/drivers/gpu/drm/nouveau/core/include/core/class.h @@ -198,25 +198,6 @@ struct nv04_display_class { #define NV84_DISP_SOR_HDMI_PWR_REKEY 0x0000007f #define NV50_DISP_SOR_LVDS_SCRIPT 0x00013000 #define NV50_DISP_SOR_LVDS_SCRIPT_ID 0x0000ffff -#define NV94_DISP_SOR_DP_TRAIN 0x00016000 -#define NV94_DISP_SOR_DP_TRAIN_OP 0xf0000000 -#define NV94_DISP_SOR_DP_TRAIN_OP_PATTERN 0x00000000 -#define NV94_DISP_SOR_DP_TRAIN_OP_INIT 0x10000000 -#define NV94_DISP_SOR_DP_TRAIN_OP_FINI 0x20000000 -#define NV94_DISP_SOR_DP_TRAIN_INIT_SPREAD 0x00000001 -#define NV94_DISP_SOR_DP_TRAIN_INIT_SPREAD_OFF 0x00000000 -#define NV94_DISP_SOR_DP_TRAIN_INIT_SPREAD_ON 0x00000001 -#define NV94_DISP_SOR_DP_TRAIN_PATTERN 0x00000003 -#define NV94_DISP_SOR_DP_TRAIN_PATTERN_DISABLED 0x00000000 -#define NV94_DISP_SOR_DP_LNKCTL 0x00016040 -#define NV94_DISP_SOR_DP_LNKCTL_FRAME 0x80000000 -#define NV94_DISP_SOR_DP_LNKCTL_FRAME_STD 0x00000000 -#define NV94_DISP_SOR_DP_LNKCTL_FRAME_ENH 0x80000000 -#define NV94_DISP_SOR_DP_LNKCTL_WIDTH 0x00001f00 -#define NV94_DISP_SOR_DP_LNKCTL_COUNT 0x00000007 -#define NV94_DISP_SOR_DP_DRVCTL(l) ((l) * 0x40 + 0x00016100) -#define NV94_DISP_SOR_DP_DRVCTL_VS 0x00000300 -#define NV94_DISP_SOR_DP_DRVCTL_PE 0x00000003 #define NV50_DISP_DAC_MTHD 0x00020000 #define NV50_DISP_DAC_MTHD_TYPE 0x0000f000 diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c index d4da57f..36fd225 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dp.c +++ b/drivers/gpu/drm/nouveau/nouveau_dp.c @@ -35,299 +35,6 @@ #include <subdev/gpio.h> #include <subdev/i2c.h> -/****************************************************************************** - * link training - *****************************************************************************/ -struct dp_state { - struct nouveau_i2c_port *auxch; - struct nouveau_object *core; - struct dcb_output *dcb; - int crtc; - u8 *dpcd; - int link_nr; - u32 link_bw; - u8 stat[6]; - u8 conf[4]; -}; - -static void -dp_set_link_config(struct drm_device *dev, struct dp_state *dp) -{ - struct nouveau_drm *drm = nouveau_drm(dev); - struct dcb_output *dcb = dp->dcb; - const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - const u32 moff = (dp->crtc << 3) | (link << 2) | or; - u8 sink[2]; - u32 data; - - NV_DEBUG(drm, "%d lanes at %d KB/s\n", dp->link_nr, dp->link_bw); - - /* set desired link configuration on the source */ - data = ((dp->link_bw / 27000) << 8) | dp->link_nr; - if (dp->dpcd[2] & DP_ENHANCED_FRAME_CAP) - data |= NV94_DISP_SOR_DP_LNKCTL_FRAME_ENH; - - nv_call(dp->core, NV94_DISP_SOR_DP_LNKCTL + moff, data); - - /* inform the sink of the new configuration */ - sink[0] = dp->link_bw / 27000; - sink[1] = dp->link_nr; - if (dp->dpcd[2] & DP_ENHANCED_FRAME_CAP) - sink[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN; - - nv_wraux(dp->auxch, DP_LINK_BW_SET, sink, 2); -} - -static void -dp_set_training_pattern(struct drm_device *dev, struct dp_state *dp, u8 pattern) -{ - struct nouveau_drm *drm = nouveau_drm(dev); - struct dcb_output *dcb = dp->dcb; - const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - const u32 moff = (dp->crtc << 3) | (link << 2) | or; - u8 sink_tp; - - NV_DEBUG(drm, "training pattern %d\n", pattern); - - nv_call(dp->core, NV94_DISP_SOR_DP_TRAIN + moff, pattern); - - nv_rdaux(dp->auxch, DP_TRAINING_PATTERN_SET, &sink_tp, 1); - sink_tp &= ~DP_TRAINING_PATTERN_MASK; - sink_tp |= pattern; - nv_wraux(dp->auxch, DP_TRAINING_PATTERN_SET, &sink_tp, 1); -} - -static int -dp_link_train_commit(struct drm_device *dev, struct dp_state *dp) -{ - struct nouveau_drm *drm = nouveau_drm(dev); - struct dcb_output *dcb = dp->dcb; - const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - const u32 moff = (dp->crtc << 3) | (link << 2) | or; - int i; - - for (i = 0; i < dp->link_nr; i++) { - u8 lane = (dp->stat[4 + (i >> 1)] >> ((i & 1) * 4)) & 0xf; - u8 lpre = (lane & 0x0c) >> 2; - u8 lvsw = (lane & 0x03) >> 0; - - dp->conf[i] = (lpre << 3) | lvsw; - if (lvsw == DP_TRAIN_VOLTAGE_SWING_1200) - dp->conf[i] |= DP_TRAIN_MAX_SWING_REACHED; - if ((lpre << 3) == DP_TRAIN_PRE_EMPHASIS_9_5) - dp->conf[i] |= DP_TRAIN_MAX_PRE_EMPHASIS_REACHED; - - NV_DEBUG(drm, "config lane %d %02x\n", i, dp->conf[i]); - - nv_call(dp->core, NV94_DISP_SOR_DP_DRVCTL(i) + moff, (lvsw << 8) | lpre); - } - - return nv_wraux(dp->auxch, DP_TRAINING_LANE0_SET, dp->conf, 4); -} - -static int -dp_link_train_update(struct drm_device *dev, struct dp_state *dp, u32 delay) -{ - struct nouveau_drm *drm = nouveau_drm(dev); - int ret; - - udelay(delay); - - ret = nv_rdaux(dp->auxch, DP_LANE0_1_STATUS, dp->stat, 6); - if (ret) - return ret; - - NV_DEBUG(drm, "status %*ph\n", 6, dp->stat); - return 0; -} - -static int -dp_link_train_cr(struct drm_device *dev, struct dp_state *dp) -{ - bool cr_done = false, abort = false; - int voltage = dp->conf[0] & DP_TRAIN_VOLTAGE_SWING_MASK; - int tries = 0, i; - - dp_set_training_pattern(dev, dp, DP_TRAINING_PATTERN_1); - - do { - if (dp_link_train_commit(dev, dp) || - dp_link_train_update(dev, dp, 100)) - break; - - cr_done = true; - for (i = 0; i < dp->link_nr; i++) { - u8 lane = (dp->stat[i >> 1] >> ((i & 1) * 4)) & 0xf; - if (!(lane & DP_LANE_CR_DONE)) { - cr_done = false; - if (dp->conf[i] & DP_TRAIN_MAX_SWING_REACHED) - abort = true; - break; - } - } - - if ((dp->conf[0] & DP_TRAIN_VOLTAGE_SWING_MASK) != voltage) { - voltage = dp->conf[0] & DP_TRAIN_VOLTAGE_SWING_MASK; - tries = 0; - } - } while (!cr_done && !abort && ++tries < 5); - - return cr_done ? 0 : -1; -} - -static int -dp_link_train_eq(struct drm_device *dev, struct dp_state *dp) -{ - bool eq_done, cr_done = true; - int tries = 0, i; - - dp_set_training_pattern(dev, dp, DP_TRAINING_PATTERN_2); - - do { - if (dp_link_train_update(dev, dp, 400)) - break; - - eq_done = !!(dp->stat[2] & DP_INTERLANE_ALIGN_DONE); - for (i = 0; i < dp->link_nr && eq_done; i++) { - u8 lane = (dp->stat[i >> 1] >> ((i & 1) * 4)) & 0xf; - if (!(lane & DP_LANE_CR_DONE)) - cr_done = false; - if (!(lane & DP_LANE_CHANNEL_EQ_DONE) || - !(lane & DP_LANE_SYMBOL_LOCKED)) - eq_done = false; - } - - if (dp_link_train_commit(dev, dp)) - break; - } while (!eq_done && cr_done && ++tries <= 5); - - return eq_done ? 0 : -1; -} - -static void -dp_link_train_init(struct drm_device *dev, struct dp_state *dp, bool spread) -{ - struct dcb_output *dcb = dp->dcb; - const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - const u32 moff = (dp->crtc << 3) | (link << 2) | or; - - nv_call(dp->core, NV94_DISP_SOR_DP_TRAIN + moff, (spread ? - NV94_DISP_SOR_DP_TRAIN_INIT_SPREAD_ON : - NV94_DISP_SOR_DP_TRAIN_INIT_SPREAD_OFF) | - NV94_DISP_SOR_DP_TRAIN_OP_INIT); -} - -static void -dp_link_train_fini(struct drm_device *dev, struct dp_state *dp) -{ - struct dcb_output *dcb = dp->dcb; - const u32 or = ffs(dcb->or) - 1, link = !(dcb->sorconf.link & 1); - const u32 moff = (dp->crtc << 3) | (link << 2) | or; - - nv_call(dp->core, NV94_DISP_SOR_DP_TRAIN + moff, - NV94_DISP_SOR_DP_TRAIN_OP_FINI); -} - -static bool -nouveau_dp_link_train(struct drm_encoder *encoder, u32 datarate, - struct nouveau_object *core) -{ - struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); - struct nouveau_connector *nv_connector = - nouveau_encoder_connector_get(nv_encoder); - struct drm_device *dev = encoder->dev; - struct nouveau_drm *drm = nouveau_drm(dev); - struct nouveau_gpio *gpio = nouveau_gpio(drm->device); - const u32 bw_list[] = { 270000, 162000, 0 }; - const u32 *link_bw = bw_list; - struct dp_state dp; - - dp.auxch = nv_encoder->i2c; - if (!dp.auxch) - return false; - - dp.core = core; - dp.dcb = nv_encoder->dcb; - dp.crtc = nv_crtc->index; - dp.dpcd = nv_encoder->dp.dpcd; - - /* adjust required bandwidth for 8B/10B coding overhead */ - datarate = (datarate / 8) * 10; - - /* some sinks toggle hotplug in response to some of the actions - * we take during link training (DP_SET_POWER is one), we need - * to ignore them for the moment to avoid races. - */ - nouveau_event_put(gpio->events, nv_connector->hpd.line, - &nv_connector->hpd_func); - - /* enable down-spreading and execute pre-train script from vbios */ - dp_link_train_init(dev, &dp, nv_encoder->dp.dpcd[3] & 1); - - /* start off at highest link rate supported by encoder and display */ - while (*link_bw > nv_encoder->dp.link_bw) - link_bw++; - - while (link_bw[0]) { - /* find minimum required lane count at this link rate */ - dp.link_nr = nv_encoder->dp.link_nr; - while ((dp.link_nr >> 1) * link_bw[0] > datarate) - dp.link_nr >>= 1; - - /* drop link rate to minimum with this lane count */ - while ((link_bw[1] * dp.link_nr) > datarate) - link_bw++; - dp.link_bw = link_bw[0]; - - /* program selected link configuration */ - dp_set_link_config(dev, &dp); - - /* attempt to train the link at this configuration */ - memset(dp.stat, 0x00, sizeof(dp.stat)); - if (!dp_link_train_cr(dev, &dp) && - !dp_link_train_eq(dev, &dp)) - break; - - /* retry at lower rate */ - link_bw++; - } - - /* finish link training */ - dp_set_training_pattern(dev, &dp, DP_TRAINING_PATTERN_DISABLE); - - /* execute post-train script from vbios */ - dp_link_train_fini(dev, &dp); - - /* re-enable hotplug detect */ - nouveau_event_get(gpio->events, nv_connector->hpd.line, - &nv_connector->hpd_func); - return true; -} - -void -nouveau_dp_dpms(struct drm_encoder *encoder, int mode, u32 datarate, - struct nouveau_object *core) -{ - struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - struct nouveau_i2c_port *auxch; - u8 status; - - auxch = nv_encoder->i2c; - if (!auxch) - return; - - if (mode == DRM_MODE_DPMS_ON) - status = DP_SET_POWER_D0; - else - status = DP_SET_POWER_D3; - - nv_wraux(auxch, DP_SET_POWER, &status, 1); - - if (mode == DRM_MODE_DPMS_ON) - nouveau_dp_link_train(encoder, datarate, core); -} - static void nouveau_dp_probe_oui(struct drm_device *dev, struct nouveau_i2c_port *auxch, u8 *dpcd) diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 2cd3797..2c00a5f 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -1683,9 +1683,6 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode) } nv_call(disp->core, NV50_DISP_SOR_PWR + or, (mode == DRM_MODE_DPMS_ON)); - - if (nv_encoder->dcb->type == DCB_OUTPUT_DP) - nouveau_dp_dpms(encoder, mode, nv_encoder->dp.datarate, disp->core); } static bool |
