diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dp.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c index de61f4640e12..f954ad93e81f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dp.c +++ b/drivers/gpu/drm/nouveau/nouveau_dp.c @@ -187,7 +187,7 @@ nouveau_dp_link_train_adjust(struct drm_encoder *encoder, uint8_t *config) if (ret) return false; - NV_DEBUG(dev, "\t\tadjust 0x%02x 0x%02x\n", request[0], request[1]); + NV_DEBUG_KMS(dev, "\t\tadjust 0x%02x 0x%02x\n", request[0], request[1]); /* Keep all lanes at the same level.. */ for (i = 0; i < nv_encoder->dp.link_nr; i++) { @@ -228,7 +228,7 @@ nouveau_dp_link_train_commit(struct drm_encoder *encoder, uint8_t *config) int or = nv_encoder->or, link = !(nv_encoder->dcb->sorconf.link & 1); int dpe_headerlen, ret, i; - NV_DEBUG(dev, "\t\tconfig 0x%02x 0x%02x 0x%02x 0x%02x\n", + NV_DEBUG_KMS(dev, "\t\tconfig 0x%02x 0x%02x 0x%02x 0x%02x\n", config[0], config[1], config[2], config[3]); dpe = nouveau_bios_dp_table(dev, nv_encoder->dcb, &dpe_headerlen); @@ -276,12 +276,12 @@ nouveau_dp_link_train(struct drm_encoder *encoder) bool cr_done, cr_max_vs, eq_done; int ret = 0, i, tries, voltage; - NV_DEBUG(dev, "link training!!\n"); + NV_DEBUG_KMS(dev, "link training!!\n"); train: cr_done = eq_done = false; /* set link configuration */ - NV_DEBUG(dev, "\tbegin train: bw %d, lanes %d\n", + NV_DEBUG_KMS(dev, "\tbegin train: bw %d, lanes %d\n", nv_encoder->dp.link_bw, nv_encoder->dp.link_nr); ret = nouveau_dp_link_bw_set(encoder, nv_encoder->dp.link_bw); @@ -297,7 +297,7 @@ train: return false; /* clock recovery */ - NV_DEBUG(dev, "\tbegin cr\n"); + NV_DEBUG_KMS(dev, "\tbegin cr\n"); ret = nouveau_dp_link_train_set(encoder, DP_TRAINING_PATTERN_1); if (ret) goto stop; @@ -314,7 +314,7 @@ train: ret = auxch_rd(encoder, DP_LANE0_1_STATUS, status, 2); if (ret) break; - NV_DEBUG(dev, "\t\tstatus: 0x%02x 0x%02x\n", + NV_DEBUG_KMS(dev, "\t\tstatus: 0x%02x 0x%02x\n", status[0], status[1]); cr_done = true; @@ -346,7 +346,7 @@ train: goto stop; /* channel equalisation */ - NV_DEBUG(dev, "\tbegin eq\n"); + NV_DEBUG_KMS(dev, "\tbegin eq\n"); ret = nouveau_dp_link_train_set(encoder, DP_TRAINING_PATTERN_2); if (ret) goto stop; @@ -357,7 +357,7 @@ train: ret = auxch_rd(encoder, DP_LANE0_1_STATUS, status, 3); if (ret) break; - NV_DEBUG(dev, "\t\tstatus: 0x%02x 0x%02x\n", + NV_DEBUG_KMS(dev, "\t\tstatus: 0x%02x 0x%02x\n", status[0], status[1]); eq_done = true; @@ -395,9 +395,9 @@ stop: /* retry at a lower setting, if possible */ if (!ret && !(eq_done && cr_done)) { - NV_DEBUG(dev, "\twe failed\n"); + NV_DEBUG_KMS(dev, "\twe failed\n"); if (nv_encoder->dp.link_bw != DP_LINK_BW_1_62) { - NV_DEBUG(dev, "retry link training at low rate\n"); + NV_DEBUG_KMS(dev, "retry link training at low rate\n"); nv_encoder->dp.link_bw = DP_LINK_BW_1_62; goto train; } @@ -418,7 +418,7 @@ nouveau_dp_detect(struct drm_encoder *encoder) if (ret) return false; - NV_DEBUG(dev, "encoder: link_bw %d, link_nr %d\n" + NV_DEBUG_KMS(dev, "encoder: link_bw %d, link_nr %d\n" "display: link_bw %d, link_nr %d version 0x%02x\n", nv_encoder->dcb->dpconf.link_bw, nv_encoder->dcb->dpconf.link_nr, @@ -446,7 +446,7 @@ nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr, uint32_t tmp, ctrl, stat = 0, data32[4] = {}; int ret = 0, i, index = auxch->rd; - NV_DEBUG(dev, "ch %d cmd %d addr 0x%x len %d\n", index, cmd, addr, data_nr); + NV_DEBUG_KMS(dev, "ch %d cmd %d addr 0x%x len %d\n", index, cmd, addr, data_nr); tmp = nv_rd32(dev, NV50_AUXCH_CTRL(auxch->rd)); nv_wr32(dev, NV50_AUXCH_CTRL(auxch->rd), tmp | 0x00100000); @@ -472,7 +472,7 @@ nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr, if (!(cmd & 1)) { memcpy(data32, data, data_nr); for (i = 0; i < 4; i++) { - NV_DEBUG(dev, "wr %d: 0x%08x\n", i, data32[i]); + NV_DEBUG_KMS(dev, "wr %d: 0x%08x\n", i, data32[i]); nv_wr32(dev, NV50_AUXCH_DATA_OUT(index, i), data32[i]); } } @@ -490,7 +490,8 @@ nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr, if (!nv_wait(NV50_AUXCH_CTRL(index), 0x00010000, 0x00000000)) { NV_ERROR(dev, "expected bit 16 == 0, got 0x%08x\n", nv_rd32(dev, NV50_AUXCH_CTRL(index))); - return -EBUSY; + ret = -EBUSY; + goto out; } udelay(400); @@ -502,9 +503,14 @@ nouveau_dp_auxch(struct nouveau_i2c_chan *auxch, int cmd, int addr, } if (cmd & 1) { + if ((stat & NV50_AUXCH_STAT_COUNT) != data_nr) { + ret = -EREMOTEIO; + goto out; + } + for (i = 0; i < 4; i++) { data32[i] = nv_rd32(dev, NV50_AUXCH_DATA_IN(index, i)); - NV_DEBUG(dev, "rd %d: 0x%08x\n", i, data32[i]); + NV_DEBUG_KMS(dev, "rd %d: 0x%08x\n", i, data32[i]); } memcpy(data, data32, data_nr); } |