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-rw-r--r--drivers/gpu/drm/i915/display/intel_hdmi.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 389fa36c91e7..523b70757bac 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2191,9 +2191,13 @@ static bool intel_hdmi_has_audio(struct intel_encoder *encoder,
}
static enum intel_output_format
-intel_hdmi_output_format(struct intel_connector *connector,
+intel_hdmi_output_format(const struct intel_crtc_state *crtc_state,
+ struct intel_connector *connector,
bool ycbcr_420_output)
{
+ if (!crtc_state->has_hdmi_sink)
+ return INTEL_OUTPUT_FORMAT_RGB;
+
if (connector->base.ycbcr_420_allowed && ycbcr_420_output)
return INTEL_OUTPUT_FORMAT_YCBCR420;
else
@@ -2212,7 +2216,8 @@ static int intel_hdmi_compute_output_format(struct intel_encoder *encoder,
bool ycbcr_420_only = drm_mode_is_420_only(info, adjusted_mode);
int ret;
- crtc_state->output_format = intel_hdmi_output_format(connector, ycbcr_420_only);
+ crtc_state->output_format =
+ intel_hdmi_output_format(crtc_state, connector, ycbcr_420_only);
if (ycbcr_420_only && !intel_hdmi_is_ycbcr420(crtc_state)) {
drm_dbg_kms(&i915->drm,
@@ -2227,7 +2232,7 @@ static int intel_hdmi_compute_output_format(struct intel_encoder *encoder,
!drm_mode_is_420_also(info, adjusted_mode))
return ret;
- crtc_state->output_format = intel_hdmi_output_format(connector, true);
+ crtc_state->output_format = intel_hdmi_output_format(crtc_state, connector, true);
ret = intel_hdmi_compute_clock(encoder, crtc_state, respect_downstream_limits);
}