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-rw-r--r--drivers/gpu/drm/i915/display/intel_display_types.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index eb9dd1125a4a..f230163226d1 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1968,6 +1968,19 @@ static inline bool intel_encoder_is_dp(struct intel_encoder *encoder)
}
}
+static inline bool intel_encoder_is_hdmi(struct intel_encoder *encoder)
+{
+ switch (encoder->type) {
+ case INTEL_OUTPUT_HDMI:
+ return true;
+ case INTEL_OUTPUT_DDI:
+ /* See if the HDMI encoder is valid. */
+ return i915_mmio_reg_valid(enc_to_intel_hdmi(encoder)->hdmi_reg);
+ default:
+ return false;
+ }
+}
+
static inline struct intel_lspcon *
enc_to_intel_lspcon(struct intel_encoder *encoder)
{