[PATCH 0/2] drm/probe_helper, i915: Validate MST modes against PBN limits

From: Lyude Paul
Date: Tue May 26 2020 - 14:23:26 EST

Something we've been missing for a while with drivers that support MST
is being able to prune modes that can't be set due to bandwidth
limitations. So, let's go ahead and add that. This also adds a new hook
that was needed, mode_valid_ctx, so that we can grab additional locks as
needed when validating modes.

Lee Shawn C (1):
drm/i915/mst: filter out the display mode exceed sink's capability

Lyude Paul (1):
drm/probe_helper: Add drm_connector_helper_funcs.mode_valid_ctx

drivers/gpu/drm/drm_crtc_helper_internal.h | 6 +-
drivers/gpu/drm/drm_probe_helper.c | 65 ++++++++++++++-------
drivers/gpu/drm/i915/display/intel_dp_mst.c | 39 +++++++++++--
include/drm/drm_modeset_helper_vtables.h | 41 +++++++++++++
4 files changed, 123 insertions(+), 28 deletions(-)