search for: drm_dp_read_desc

...u/drm/nouveau/nouveau_dp.c @@ -55,15 +55,13 @@ nouveau_dp_probe_dpcd(struct nouveau_connector *nv_connector, int ret; u8 *dpcd = outp->dp.dpcd; - ret = drm_dp_dpcd_read(aux, DP_DPCD_REV, dpcd, DP_RECEIVER_CAP_SIZE); - if (ret == DP_RECEIVER_CAP_SIZE && dpcd[DP_DPCD_REV]) { - ret = drm_dp_read_desc(aux, &outp->dp.desc, - drm_dp_is_branch(dpcd)); - if (ret < 0) - goto out; - } else { + ret = drm_dp_read_dpcd_caps(aux, dpcd); + if (ret < 0) + goto out; + + ret = drm_dp_read_desc(aux, &outp->dp.desc, drm_dp_is_branch(dpcd)); + if (ret < 0) goto out; - }...

.../* this function is meant to be called only once */ > drm_WARN_ON(&dev_priv->drm, intel_dp->dpcd[DP_DPCD_REV] != 0); > > - if (!intel_dp_read_dpcd(intel_dp)) > + if (drm_dp_read_dpcd_caps(&intel_dp->aux, intel_dp->dpcd) != 0) > return false; > > drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc, > @@ -4650,7 +4594,7 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) > { > int ret; > > - if (!intel_dp_read_dpcd(intel_dp)) > + if (drm_dp_read_dpcd_caps(&intel_dp->aux, intel_dp->dpcd)) > return false; > &g...

...that happens, upstream maintainers will probably have an easier time with merging if they pull the pending patches for nouveau from Ben's tree before merging drm-misc-next. Lyude Paul (20): drm/nouveau/kms: Fix some indenting in nouveau_dp_detect() drm/nouveau/kms/nv50-: Remove open-coded drm_dp_read_desc() drm/nouveau/kms/nv50-: Just use drm_dp_dpcd_read() in nouveau_dp.c drm/nouveau/kms/nv50-: Use macros for DP registers in nouveau_dp.c drm/nouveau/kms: Don't clear DP_MST_CTRL DPCD in nv50_mstm_new() drm/nouveau/kms: Search for encoders' connectors properly drm/nouveau/kms/nv50-:...

...r->base; struct drm_dp_aux *aux = &nv_connector->aux; struct nv50_mstm *mstm = NULL; + enum drm_connector_status status = connector_status_disconnected; int ret; u8 *dpcd = outp->dp.dpcd; @@ -50,9 +60,9 @@ nouveau_dp_probe_dpcd(struct nouveau_connector *nv_connector, ret = drm_dp_read_desc(aux, &outp->dp.desc, drm_dp_is_branch(dpcd)); if (ret < 0) - return connector_status_disconnected; + goto out; } else { - return connector_status_disconnected; + goto out; } if (nouveau_mst) { @@ -61,12 +71,33 @@ nouveau_dp_probe_dpcd(struct nouveau_connector...

...s and DSC), and fallback link retraining. I figured I might as clean this code up and implement missing DP features like the ones mentioned here before moving on to those tasks. Lyude Paul (20): drm/nouveau/kms: Fix some indenting in nouveau_dp_detect() drm/nouveau/kms/nv50-: Remove open-coded drm_dp_read_desc() drm/nouveau/kms/nv50-: Just use drm_dp_dpcd_read() in nouveau_dp.c drm/nouveau/kms/nv50-: Use macros for DP registers in nouveau_dp.c drm/nouveau/kms: Don't clear DP_MST_CTRL DPCD in nv50_mstm_new() drm/nouveau/kms: Search for encoders' connectors properly drm/nouveau/kms/nv50-:...

...that happens, upstream maintainers will probably have an easier time with merging if they pull the pending patches for nouveau from Ben's tree before merging drm-misc-next. Lyude Paul (20): drm/nouveau/kms: Fix some indenting in nouveau_dp_detect() drm/nouveau/kms/nv50-: Remove open-coded drm_dp_read_desc() drm/nouveau/kms/nv50-: Just use drm_dp_dpcd_read() in nouveau_dp.c drm/nouveau/kms/nv50-: Use macros for DP registers in nouveau_dp.c drm/nouveau/kms: Don't clear DP_MST_CTRL DPCD in nv50_mstm_new() drm/nouveau/kms: Search for encoders' connectors properly drm/nouveau/kms/nv50-:...

...s and DSC), and fallback link retraining. I figured I might as clean this code up and implement missing DP features like the ones mentioned here before moving on to those tasks. Lyude Paul (20): drm/nouveau/kms: Fix some indenting in nouveau_dp_detect() drm/nouveau/kms/nv50-: Remove open-coded drm_dp_read_desc() drm/nouveau/kms/nv50-: Just use drm_dp_dpcd_read() in nouveau_dp.c drm/nouveau/kms/nv50-: Use macros for DP registers in nouveau_dp.c drm/nouveau/kms: Don't clear DP_MST_CTRL DPCD in nv50_mstm_new() drm/nouveau/kms: Search for encoders' connectors properly drm/nouveau/kms/nv50-:...

...it_dpcd(struct intel_dp *intel_dp) /* this function is meant to be called only once */ drm_WARN_ON(&dev_priv->drm, intel_dp->dpcd[DP_DPCD_REV] != 0); - if (!intel_dp_read_dpcd(intel_dp)) + if (drm_dp_read_dpcd_caps(&intel_dp->aux, intel_dp->dpcd) != 0) return false; drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc, @@ -4650,7 +4594,7 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp) { int ret; - if (!intel_dp_read_dpcd(intel_dp)) + if (drm_dp_read_dpcd_caps(&intel_dp->aux, intel_dp->dpcd)) return false; /* diff --git a/drivers/gpu/drm/i915/dis...