From: Sean Paul <seanp...@chromium.org>
Although DP_MST fake encoders are not subclassed from digital ports,
they are associated with them. Support these encoders.
Signed-off-by: Sean Paul <seanp...@chromium.org>
---
.../drm/i915/display/intel_display_types.h | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h
b/drivers/gpu/drm/i915/display/intel_display_types.h
index 489e1d00928b..4924784f3f4c 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1414,6 +1414,17 @@ static inline bool intel_encoder_is_dig_port(struct
intel_encoder *encoder)
}
}
+static inline bool intel_encoder_is_mst(struct intel_encoder *encoder)
+{
+ return encoder->type == INTEL_OUTPUT_DP_MST;
+}
+
+static inline struct intel_dp_mst_encoder *
+enc_to_mst(struct drm_encoder *encoder)
+{
+ return container_of(encoder, struct intel_dp_mst_encoder, base.base);
+}
+
static inline struct intel_digital_port *
enc_to_dig_port(struct drm_encoder *encoder)
{
@@ -1422,6 +1433,8 @@ enc_to_dig_port(struct drm_encoder *encoder)
if (intel_encoder_is_dig_port(intel_encoder))
return container_of(encoder, struct intel_digital_port,
base.base);
+ else if (intel_encoder_is_mst(intel_encoder))
+ return enc_to_mst(encoder)->primary;
else
return NULL;
}
@@ -1432,12 +1445,6 @@ conn_to_dig_port(struct intel_connector *connector)
return enc_to_dig_port(&intel_attached_encoder(&connector->base)->base);
}
-static inline struct intel_dp_mst_encoder *
-enc_to_mst(struct drm_encoder *encoder)
-{
- return container_of(encoder, struct intel_dp_mst_encoder, base.base);
-}
-
static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder)
{
return &enc_to_dig_port(encoder)->dp;
--
Sean Paul, Software Engineer, Google / Chromium OS
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