Add a wrapper function to check if both the source and
sink support Adaptive Sync SDP.
--v1:
Just use drm/i915/dp in subject line.
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_dp.c | 8 ++++++++
drivers/gpu/drm/i915/display/intel_dp.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 7cf849015797..b26efce4a041 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -120,6 +120,14 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp)
return dig_port->base.type == INTEL_OUTPUT_EDP;
}
+bool intel_dp_as_sdp_supported(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
+ return HAS_AS_SDP(i915) &&
+ drm_dp_as_sdp_supported(&intel_dp->aux, intel_dp->dpcd);
+}
+
static void intel_dp_unset_edid(struct intel_dp *intel_dp);
/* Is link rate UHBR and thus 128b/132b? */
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 530cc97bc42f..cc5e069091ff 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -80,6 +80,7 @@ void intel_dp_audio_compute_config(struct intel_encoder *encoder,
struct drm_connector_state *conn_state);
bool intel_dp_has_hdmi_sink(struct intel_dp *intel_dp);
bool intel_dp_is_edp(struct intel_dp *intel_dp);
+bool intel_dp_as_sdp_supported(struct intel_dp *intel_dp);
bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state);
int intel_dp_link_symbol_size(int rate);
int intel_dp_link_symbol_clock(int rate);
--
2.25.1
