search for: mst_encoders

Hook this into amdgpu's atomic check for their connectors so they never get modesets on no-longer-present MST connectors. We'll also expand on this later once we add DP MST fallback retraining support. As well, turns out that the only atomic DRM driver without the ->best_encoder() bug is amdgpu. Congrats AMD! Signed-off-by: Lyude Paul <lyude at redhat.com> ---

...tic struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *c struct intel_dp *intel_dp = intel_connector->mst_port; struct intel_crtc *crtc = to_intel_crtc(state->crtc); - if (!intel_dp) + if (intel_connector->mst_port_gone) return NULL; return &intel_dp->mst_encoders[crtc->pipe]->base.base; } @@ -514,7 +514,7 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, connector); /* prevent race with the check in ->detect */ drm_modeset_lock(&connector->dev->mode_config.connection_mutex, NULL); - intel_co...

...tic struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *c struct intel_dp *intel_dp = intel_connector->mst_port; struct intel_crtc *crtc = to_intel_crtc(state->crtc); - if (!intel_dp) + if (intel_connector->mst_port_gone) return NULL; return &intel_dp->mst_encoders[crtc->pipe]->base.base; } @@ -514,7 +514,7 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, connector); /* prevent race with the check in ->detect */ drm_modeset_lock(&connector->dev->mode_config.connection_mutex, NULL); - intel_co...

Next version of https://patchwork.freedesktop.org/series/49878/ . No changes, except that these patches are against master so hopefully intel's CI doesn't get confused this time. Lyude Paul (5): drm/atomic_helper: Disallow new modesets on unregistered connectors drm/nouveau: Fix nv50_mstc->best_encoder() drm/i915: Leave intel_conn->mst_port set, use mst_port_gone instead

...ctor *c > > struct intel_dp *intel_dp = intel_connector->mst_port; > > struct intel_crtc *crtc = to_intel_crtc(state->crtc); > > > > - if (!intel_dp) > > + if (intel_connector->mst_port_gone) > > return NULL; > > return &intel_dp->mst_encoders[crtc->pipe]->base.base; > > } > > @@ -514,7 +514,7 @@ static void intel_dp_destroy_mst_connector(struct > > drm_dp_mst_topology_mgr *mgr, > > connector); > > /* prevent race with the check in ->detect */ > > drm_modeset_lock(&connector...

Next version of https://patchwork.freedesktop.org/series/49877/ This fixes some rather silly bugs regarding DPMS On->Off changes failing for connectors which were just recently destroyed. Lyude Paul (5): drm/atomic_helper: Disallow new modesets on unregistered connectors drm/nouveau: Fix nv50_mstc->best_encoder() drm/i915: Leave intel_conn->mst_port set, use mst_port_gone instead

...7,8 +408,6 @@ static struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *c struct intel_dp *intel_dp = intel_connector->mst_port; struct intel_crtc *crtc = to_intel_crtc(state->crtc); - if (intel_connector->mst_port_gone) - return NULL; return &intel_dp->mst_encoders[crtc->pipe]->base.base; } -- 2.17.1

...7,8 +408,6 @@ static struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *c struct intel_dp *intel_dp = intel_connector->mst_port; struct intel_crtc *crtc = to_intel_crtc(state->crtc); - if (intel_connector->mst_port_gone) - return NULL; return &intel_dp->mst_encoders[crtc->pipe]->base.base; } -- 2.17.1

Hook this into amdgpu's atomic check for their connectors so they never get modesets on no-longer-present MST connectors. We'll also expand on this later once we add DP MST fallback retraining support. As well, turns out that the only atomic DRM driver without the ->best_encoder() bug is amdgpu. Congrats AMD! Signed-off-by: Lyude Paul <lyude at redhat.com> ---

...7,8 +407,6 @@ static struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *c struct intel_dp *intel_dp = intel_connector->mst_port; struct intel_crtc *crtc = to_intel_crtc(state->crtc); - if (intel_connector->mst_port_gone) - return NULL; return &intel_dp->mst_encoders[crtc->pipe]->base.base; } -- 2.17.1

Latest version of https://patchwork.freedesktop.org/series/49878/ Lyude Paul (5): drm/atomic_helper: Disallow new modesets on unregistered connectors drm/nouveau: Fix nv50_mstc->best_encoder() drm/i915: Don't unset intel_connector->mst_port drm/i915: Skip vcpi allocation for MSTB ports that are gone drm/i915: Fix intel_dp_mst_best_encoder()

Next version of https://patchwork.freedesktop.org/series/49878/ No functional changes, just a typo fix Lyude Paul (5): drm/atomic_helper: Disallow new modesets on unregistered connectors drm/nouveau: Fix nv50_mstc->best_encoder() drm/i915: Don't unset intel_connector->mst_port drm/i915: Skip vcpi allocation for MSTB ports that are gone drm/i915: Fix

...tic struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *c struct intel_dp *intel_dp = intel_connector->mst_port; struct intel_crtc *crtc = to_intel_crtc(state->crtc); - if (!intel_dp) + if (intel_connector->mst_port_gone) return NULL; return &intel_dp->mst_encoders[crtc->pipe]->base.base; } @@ -514,7 +514,7 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, connector); /* prevent race with the check in ->detect */ drm_modeset_lock(&connector->dev->mode_config.connection_mutex, NULL); - intel_co...

...probe_single_connector_modes, .atomic_get_property = intel_digital_connector_atomic_get_property, .atomic_set_property = intel_digital_connector_atomic_set_property, @@ -465,11 +452,26 @@ static struct drm_encoder *intel_mst_atomic_best_encoder(struct drm_connector *c return &intel_dp->mst_encoders[crtc->pipe]->base.base; } +static int +intel_dp_mst_detect(struct drm_connector *connector, + struct drm_modeset_acquire_ctx *ctx, bool force) +{ + struct intel_connector *intel_connector = to_intel_connector(connector); + struct intel_dp *intel_dp = intel_connector->mst_port; + +...

...tomic_best_encoder(struct drm_connector *c > struct intel_dp *intel_dp = intel_connector->mst_port; > struct intel_crtc *crtc = to_intel_crtc(state->crtc); > > - if (!intel_dp) > + if (intel_connector->mst_port_gone) > return NULL; > return &intel_dp->mst_encoders[crtc->pipe]->base.base; > } > @@ -514,7 +514,7 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, > connector); > /* prevent race with the check in ->detect */ > drm_modeset_lock(&connector->dev->mode_config.connection...

Next version of https://patchwork.freedesktop.org/series/49878/ Still no functional changes, just removing a duplicate s-b to make CI happy. Lyude Paul (5): drm/atomic_helper: Disallow new modesets on unregistered connectors drm/nouveau: Fix nv50_mstc->best_encoder() drm/i915: Don't unset intel_connector->mst_port drm/i915: Skip vcpi allocation for MSTB ports that are gone

This is the final portion of the large series for adding MST suspend/resume reprobing that I've been working on for quite a while now. In addition, I: * Refactored and cleaned up any code I ended up digging through in the process of understanding how some parts of these helpers worked. * Added some debugging tools along the way that I ended up needing to figure out some issues in my own