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| author | Jani Nikula <jani.nikula@intel.com> | 2024-06-14 17:23:11 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2024-06-17 11:42:48 +0300 |
| commit | 8b5a92ca24eb96bb71e2a55e352687487d87687f (patch) | |
| tree | 569cf41ebbdd942117baa093db9e5da712a5c711 /drivers/gpu/drm/i915/display/intel_dp.c | |
| parent | 574884438c3827a842926bbff4a0a2d96597a388 (diff) | |
| download | linux-8b5a92ca24eb96bb71e2a55e352687487d87687f.tar.gz linux-8b5a92ca24eb96bb71e2a55e352687487d87687f.tar.bz2 linux-8b5a92ca24eb96bb71e2a55e352687487d87687f.zip | |
drm/i915/mso: using joiner is not possible with eDP MSO
It's not possible to use the joiner at the same time with eDP MSO. When
a panel needs MSO, it's not optional, so MSO trumps joiner.
v3: Only change intel_dp_has_joiner(), leave debugfs alone (Ville)
Fixes: bc71194e8897 ("drm/i915/edp: enable eDP MSO during link training")
Cc: <stable@vger.kernel.org> # v5.13+
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1668
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240614142311.589089-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 53b26c354f38..3903f6ead6e6 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -465,6 +465,10 @@ bool intel_dp_has_joiner(struct intel_dp *intel_dp) struct intel_encoder *encoder = &intel_dig_port->base; struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + /* eDP MSO is not compatible with joiner */ + if (intel_dp->mso_link_count) + return false; + return DISPLAY_VER(dev_priv) >= 12 || (DISPLAY_VER(dev_priv) == 11 && encoder->port != PORT_A); |