summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nvkm/engine
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c8
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c8
2 files changed, 6 insertions, 10 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c
index a67192ad5cf3..f3b255027c11 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c
@@ -417,7 +417,9 @@ nvkm_output_dp_train(struct nvkm_outp *outp, u32 datakbps)
/* Check that link configuration meets current requirements. */
linkKBps = ior->dp.bw * 27000 * ior->dp.nr;
dataKBps = DIV_ROUND_UP(datakbps, 8);
- if (linkKBps < dataKBps) {
+ OUTP_DBG(&dp->outp, "data %d KB/s link %d KB/s mst %d->%d",
+ dataKBps, linkKBps, ior->dp.mst, dp->lt.mst);
+ if (linkKBps < dataKBps || ior->dp.mst != dp->lt.mst) {
OUTP_DBG(&dp->outp, "link requirements changed");
goto done;
}
@@ -466,10 +468,8 @@ nvkm_dp_enable(struct nvkm_dp *dp, bool enable)
}
if (!nvkm_rdaux(aux, DPCD_RC00_DPCD_REV, dp->dpcd,
- sizeof(dp->dpcd))) {
- nvkm_output_dp_train(&dp->outp, 0);
+ sizeof(dp->dpcd)))
return;
- }
}
if (dp->present) {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
index b817cb511f35..9cf1365f5261 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
@@ -125,7 +125,7 @@ nv50_disp_root_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size)
}
break;
case NV50_DISP_MTHD_V1_SOR_DP_MST_LINK: {
- struct nvkm_output_dp *outpdp = nvkm_output_dp(outp);
+ struct nvkm_dp *dp = nvkm_dp(outp);
union {
struct nv50_disp_sor_dp_mst_link_v0 v0;
} *args = data;
@@ -134,11 +134,7 @@ nv50_disp_root_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size)
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp sor dp mst link vers %d state %d\n",
args->v0.version, args->v0.state);
- if (outpdp->lt.mst != !!args->v0.state) {
- outpdp->lt.mst = !!args->v0.state;
- atomic_set(&outpdp->lt.done, 0);
- nvkm_output_dp_train(&outpdp->base, 0);
- }
+ dp->lt.mst = !!args->v0.state;
return 0;
} else
return ret;