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authorJani Nikula <jani.nikula@intel.com>2021-10-06 13:16:18 +0300
committerJani Nikula <jani.nikula@intel.com>2021-10-08 13:14:25 +0300
commita94a6d76c9843c3577078ec297caf0d76b6fa12e (patch)
treea108a8e7443d094283626d8e9f15ef3a5fce28d3 /drivers/gpu/drm/i915/display/intel_dp.c
parentc474420ba412280bc49888c3ce224f0c650c0dcb (diff)
drm/i915/mst: abstract intel_dp_mst_source_support()
Add a function for checking source MST support. Drop intel_dp->can_mst and use intel_dp->mst_mgr.cbs to indicate the same. It's the single point of truth without additional state variables. In code, "source support" is also self-documenting as opposed to the vague "can mst". Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20211006101618.22066-1-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.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index f6b26ce71ad0..10fda20a5bd8 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2667,7 +2667,7 @@ intel_dp_can_mst(struct intel_dp *intel_dp)
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
return i915->params.enable_dp_mst &&
- intel_dp->can_mst &&
+ intel_dp_mst_source_support(intel_dp) &&
drm_dp_read_mst_cap(&intel_dp->aux, intel_dp->dpcd);
}
@@ -2682,10 +2682,10 @@ intel_dp_configure_mst(struct intel_dp *intel_dp)
drm_dbg_kms(&i915->drm,
"[ENCODER:%d:%s] MST support: port: %s, sink: %s, modparam: %s\n",
encoder->base.base.id, encoder->base.name,
- yesno(intel_dp->can_mst), yesno(sink_can_mst),
+ yesno(intel_dp_mst_source_support(intel_dp)), yesno(sink_can_mst),
yesno(i915->params.enable_dp_mst));
- if (!intel_dp->can_mst)
+ if (!intel_dp_mst_source_support(intel_dp))
return;
intel_dp->is_mst = sink_can_mst &&
@@ -5085,7 +5085,7 @@ void intel_dp_mst_suspend(struct drm_i915_private *dev_priv)
intel_dp = enc_to_intel_dp(encoder);
- if (!intel_dp->can_mst)
+ if (!intel_dp_mst_source_support(intel_dp))
continue;
if (intel_dp->is_mst)
@@ -5109,7 +5109,7 @@ void intel_dp_mst_resume(struct drm_i915_private *dev_priv)
intel_dp = enc_to_intel_dp(encoder);
- if (!intel_dp->can_mst)
+ if (!intel_dp_mst_source_support(intel_dp))
continue;
ret = drm_dp_mst_topology_mgr_resume(&intel_dp->mst_mgr,