From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- .../gpu/drm/nouveau/nvkm/engine/disp/dport.c | 96 ++++++++++++---------- 1 file changed, 53 insertions(+), 43 deletions(-) (limited to 'kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.c') diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.c index 68347661a..9688970ec 100644 --- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.c +++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/dport.c @@ -48,12 +48,12 @@ struct dp_state { static int dp_set_link_config(struct dp_state *dp) { - struct nvkm_output_dp_impl *impl = (void *)nv_oclass(dp->outp); struct nvkm_output_dp *outp = dp->outp; - struct nvkm_disp *disp = nvkm_disp(outp); - struct nvkm_bios *bios = nvkm_bios(disp); + struct nvkm_disp *disp = outp->base.disp; + struct nvkm_subdev *subdev = &disp->engine.subdev; + struct nvkm_bios *bios = subdev->device->bios; struct nvbios_init init = { - .subdev = nv_subdev(disp), + .subdev = subdev, .bios = bios, .offset = 0x0000, .outp = &outp->base.info, @@ -64,33 +64,33 @@ dp_set_link_config(struct dp_state *dp) u8 sink[2]; int ret; - DBG("%d lanes at %d KB/s\n", dp->link_nr, dp->link_bw); + OUTP_DBG(&outp->base, "%d lanes at %d KB/s", dp->link_nr, dp->link_bw); /* set desired link configuration on the source */ if ((lnkcmp = dp->outp->info.lnkcmp)) { if (outp->version < 0x30) { - while ((dp->link_bw / 10) < nv_ro16(bios, lnkcmp)) + while ((dp->link_bw / 10) < nvbios_rd16(bios, lnkcmp)) lnkcmp += 4; - init.offset = nv_ro16(bios, lnkcmp + 2); + init.offset = nvbios_rd16(bios, lnkcmp + 2); } else { - while ((dp->link_bw / 27000) < nv_ro08(bios, lnkcmp)) + while ((dp->link_bw / 27000) < nvbios_rd08(bios, lnkcmp)) lnkcmp += 3; - init.offset = nv_ro16(bios, lnkcmp + 1); + init.offset = nvbios_rd16(bios, lnkcmp + 1); } nvbios_exec(&init); } - ret = impl->lnk_ctl(outp, dp->link_nr, dp->link_bw / 27000, - outp->dpcd[DPCD_RC02] & - DPCD_RC02_ENHANCED_FRAME_CAP); + ret = outp->func->lnk_ctl(outp, dp->link_nr, dp->link_bw / 27000, + outp->dpcd[DPCD_RC02] & + DPCD_RC02_ENHANCED_FRAME_CAP); if (ret) { if (ret < 0) - ERR("lnk_ctl failed with %d\n", ret); + OUTP_ERR(&outp->base, "lnk_ctl failed with %d", ret); return ret; } - impl->lnk_pwr(outp, dp->link_nr); + outp->func->lnk_pwr(outp, dp->link_nr); /* set desired link configuration on the sink */ sink[0] = dp->link_bw / 27000; @@ -98,29 +98,27 @@ dp_set_link_config(struct dp_state *dp) if (outp->dpcd[DPCD_RC02] & DPCD_RC02_ENHANCED_FRAME_CAP) sink[1] |= DPCD_LC01_ENHANCED_FRAME_EN; - return nv_wraux(outp->base.edid, DPCD_LC00_LINK_BW_SET, sink, 2); + return nvkm_wraux(outp->aux, DPCD_LC00_LINK_BW_SET, sink, 2); } static void dp_set_training_pattern(struct dp_state *dp, u8 pattern) { - struct nvkm_output_dp_impl *impl = (void *)nv_oclass(dp->outp); struct nvkm_output_dp *outp = dp->outp; u8 sink_tp; - DBG("training pattern %d\n", pattern); - impl->pattern(outp, pattern); + OUTP_DBG(&outp->base, "training pattern %d", pattern); + outp->func->pattern(outp, pattern); - nv_rdaux(outp->base.edid, DPCD_LC02, &sink_tp, 1); + nvkm_rdaux(outp->aux, DPCD_LC02, &sink_tp, 1); sink_tp &= ~DPCD_LC02_TRAINING_PATTERN_SET; sink_tp |= pattern; - nv_wraux(outp->base.edid, DPCD_LC02, &sink_tp, 1); + nvkm_wraux(outp->aux, DPCD_LC02, &sink_tp, 1); } static int dp_link_train_commit(struct dp_state *dp, bool pc) { - struct nvkm_output_dp_impl *impl = (void *)nv_oclass(dp->outp); struct nvkm_output_dp *outp = dp->outp; int ret, i; @@ -146,16 +144,17 @@ dp_link_train_commit(struct dp_state *dp, bool pc) dp->conf[i] = (lpre << 3) | lvsw; dp->pc2conf[i >> 1] |= lpc2 << ((i & 1) * 4); - DBG("config lane %d %02x %02x\n", i, dp->conf[i], lpc2); - impl->drv_ctl(outp, i, lvsw & 3, lpre & 3, lpc2 & 3); + OUTP_DBG(&outp->base, "config lane %d %02x %02x", + i, dp->conf[i], lpc2); + outp->func->drv_ctl(outp, i, lvsw & 3, lpre & 3, lpc2 & 3); } - ret = nv_wraux(outp->base.edid, DPCD_LC03(0), dp->conf, 4); + ret = nvkm_wraux(outp->aux, DPCD_LC03(0), dp->conf, 4); if (ret) return ret; if (pc) { - ret = nv_wraux(outp->base.edid, DPCD_LC0F, dp->pc2conf, 2); + ret = nvkm_wraux(outp->aux, DPCD_LC0F, dp->pc2conf, 2); if (ret) return ret; } @@ -174,17 +173,18 @@ dp_link_train_update(struct dp_state *dp, bool pc, u32 delay) else udelay(delay); - ret = nv_rdaux(outp->base.edid, DPCD_LS02, dp->stat, 6); + ret = nvkm_rdaux(outp->aux, DPCD_LS02, dp->stat, 6); if (ret) return ret; if (pc) { - ret = nv_rdaux(outp->base.edid, DPCD_LS0C, &dp->pc2stat, 1); + ret = nvkm_rdaux(outp->aux, DPCD_LS0C, &dp->pc2stat, 1); if (ret) dp->pc2stat = 0x00; - DBG("status %6ph pc2 %02x\n", dp->stat, dp->pc2stat); + OUTP_DBG(&outp->base, "status %6ph pc2 %02x", + dp->stat, dp->pc2stat); } else { - DBG("status %6ph\n", dp->stat); + OUTP_DBG(&outp->base, "status %6ph", dp->stat); } return 0; @@ -260,11 +260,11 @@ static void dp_link_train_init(struct dp_state *dp, bool spread) { struct nvkm_output_dp *outp = dp->outp; - struct nvkm_disp *disp = nvkm_disp(outp); - struct nvkm_bios *bios = nvkm_bios(disp); + struct nvkm_disp *disp = outp->base.disp; + struct nvkm_subdev *subdev = &disp->engine.subdev; struct nvbios_init init = { - .subdev = nv_subdev(disp), - .bios = bios, + .subdev = subdev, + .bios = subdev->device->bios, .outp = &outp->base.info, .crtc = -1, .execute = 1, @@ -286,11 +286,11 @@ static void dp_link_train_fini(struct dp_state *dp) { struct nvkm_output_dp *outp = dp->outp; - struct nvkm_disp *disp = nvkm_disp(outp); - struct nvkm_bios *bios = nvkm_bios(disp); + struct nvkm_disp *disp = outp->base.disp; + struct nvkm_subdev *subdev = &disp->engine.subdev; struct nvbios_init init = { - .subdev = nv_subdev(disp), - .bios = bios, + .subdev = subdev, + .bios = subdev->device->bios, .outp = &outp->base.info, .crtc = -1, .execute = 1, @@ -322,19 +322,20 @@ void nvkm_dp_train(struct work_struct *w) { struct nvkm_output_dp *outp = container_of(w, typeof(*outp), lt.work); - struct nv50_disp_priv *priv = (void *)nvkm_disp(outp); + struct nv50_disp *disp = nv50_disp(outp->base.disp); const struct dp_rates *cfg = nvkm_dp_rates; struct dp_state _dp = { .outp = outp, }, *dp = &_dp; u32 datarate = 0; + u8 pwr; int ret; - if (!outp->base.info.location && priv->sor.magic) - priv->sor.magic(&outp->base); + if (!outp->base.info.location && disp->func->sor.magic) + disp->func->sor.magic(&outp->base); /* bring capabilities within encoder limits */ - if (nv_mclass(priv) < GF110_DISP) + if (disp->base.engine.subdev.device->chipset < 0xd0) outp->dpcd[2] &= ~DPCD_RC02_TPS3_SUPPORTED; if ((outp->dpcd[2] & 0x1f) > outp->base.info.dpconf.link_nr) { outp->dpcd[2] &= ~DPCD_RC02_MAX_LANE_COUNT; @@ -355,6 +356,15 @@ nvkm_dp_train(struct work_struct *w) /* disable link interrupt handling during link training */ nvkm_notify_put(&outp->irq); + /* ensure sink is not in a low-power state */ + if (!nvkm_rdaux(outp->aux, DPCD_SC00, &pwr, 1)) { + if ((pwr & DPCD_SC00_SET_POWER) != DPCD_SC00_SET_POWER_D0) { + pwr &= ~DPCD_SC00_SET_POWER; + pwr |= DPCD_SC00_SET_POWER_D0; + nvkm_wraux(outp->aux, DPCD_SC00, &pwr, 1); + } + } + /* enable down-spreading and execute pre-train script from vbios */ dp_link_train_init(dp, outp->dpcd[3] & 0x01); @@ -386,12 +396,12 @@ nvkm_dp_train(struct work_struct *w) /* finish link training and execute post-train script from vbios */ dp_set_training_pattern(dp, 0); if (ret < 0) - ERR("link training failed\n"); + OUTP_ERR(&outp->base, "link training failed"); dp_link_train_fini(dp); /* signal completion and enable link interrupt handling */ - DBG("training complete\n"); + OUTP_DBG(&outp->base, "training complete"); atomic_set(&outp->lt.done, 1); wake_up(&outp->lt.wait); nvkm_notify_get(&outp->irq); -- cgit 1.2.3-korg