All joined pipes share the same transcoder/timing generator.
Currently we just do the commits per-pipe, which doesn't really
work if we need to change the timings at the same time. For
now just disable live M/N updates when bigjoiner is needed.
Cc: stable@vger.kernel.org
Tested-by: Vidya Srinivas <vidya.srinivas@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-5-ville.syrjala@linux.intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
intel_panel_downclock_mode(connector, &pipe_config->hw.adjusted_mode);
int pixel_clock;
- if (has_seamless_m_n(connector))
+ /*
+ * FIXME all joined pipes share the same transcoder.
+ * Need to account for that when updating M/N live.
+ */
+ if (has_seamless_m_n(connector) && !pipe_config->bigjoiner_pipes)
pipe_config->update_m_n = true;
if (!can_enable_drrs(connector, pipe_config, downclock_mode)) {