On Wed, 2024-01-03 at 13:20 +0200, Imre Deak wrote: > On Wed, Jan 03, 2024 at 01:08:05PM +0200, Hogander, Jouni wrote: > > On Wed, 2024-01-03 at 13:00 +0200, Imre Deak wrote: > > > MST connectors don't have a static attached encoder, as their > > > encoder > > > can change depending on the pipe they use; so the encoder for an > > > MST > > > connector can't be retrieved using intel_dp_attached_encoder() > > > (which > > > may return NULL for MST). Most of the PSR debugfs entries depend > > > on a > > > static connector -> encoder mapping which is only true for eDP > > > and > > > SST > > > DP connectors and not for MST. These debugfs entries were enabled > > > for > > > MST connectors as well recently to provide PR information for > > > them, > > > but > > > handling MST connectors needs more changes. Fix this by re- > > > disabling > > > for > > > now the PSR entries on MST connectors. > > > > > > Fixes: ef75c25e8fed ("drm/i915/panelreplay: Debugfs support for > > > panel > > > replay") > > > Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9850 > > > Cc: Animesh Manna <animesh.manna@xxxxxxxxx> > > > Cc: Jouni Högander <jouni.hogander@xxxxxxxxx> > > > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx> > > > --- > > > drivers/gpu/drm/i915/display/intel_psr.c | 7 ++----- > > > 1 file changed, 2 insertions(+), 5 deletions(-) > > > > > > diff --git a/drivers/gpu/drm/i915/display/intel_psr.c > > > b/drivers/gpu/drm/i915/display/intel_psr.c > > > index 494d08817d71e..b5b9340e505e3 100644 > > > --- a/drivers/gpu/drm/i915/display/intel_psr.c > > > +++ b/drivers/gpu/drm/i915/display/intel_psr.c > > > @@ -3310,11 +3310,8 @@ void > > > intel_psr_connector_debugfs_add(struct > > > intel_connector *connector) > > > struct drm_i915_private *i915 = to_i915(connector- > > > >base.dev); > > > struct dentry *root = connector->base.debugfs_entry; > > > > > > - if (connector->base.connector_type != > > > DRM_MODE_CONNECTOR_eDP) > > > { > > > - if (!(HAS_DP20(i915) && > > > - connector->base.connector_type == > > > DRM_MODE_CONNECTOR_DisplayPort)) > > > - return; > > > - } > > > + if (connector->base.connector_type != > > > DRM_MODE_CONNECTOR_eDP) > > > + return; > > > > Would it be possible to disable it only for MST connector? I think > > this > > is disabling it also for DP SST, no? > > Yes, it keeps it enabled only for eDP. It could be enabled for SST as > well yes, but I thought as a fix the above is better, adding support > for > other connector types as a follow up. if (connector->mst_port || !(HAS_DP20(i915) && connectorbase.connector_type == DRM_MODE_CONNECTOR_DisplayPort)) return; Is it possible to use this instead? BR, Jouni Högander > > > BR, > > > > Jouni Högander > > > > > > debugfs_create_file("i915_psr_sink_status", 0444, root, > > > connector, > > > &i915_psr_sink_status_fops); > >