diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2024-04-05 00:34:28 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2024-04-08 15:27:56 +0300 |
| commit | ef79820db723a2a7c229a7251c12859e7e25a247 (patch) | |
| tree | e3a8eb43f68241e38a35682a21e3351d031f3a25 /drivers/gpu/drm | |
| parent | b37e1347b991459c38c56ec2476087854a4f720b (diff) | |
drm/i915: Disable live M/N updates when using bigjoiner
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>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 20f2d4d9d7b9..1df4b93e5e71 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2752,7 +2752,11 @@ intel_dp_drrs_compute_config(struct intel_connector *connector, 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)) { |