Add a WARN to rule out an invalid output range and format
combination. This is to align the lspcon code with
compute_avi_infoframes.
Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_lspcon.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
index 7cb65e0f241e..9552dfc55e20 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
@@ -523,6 +523,10 @@ void lspcon_set_infoframes(struct intel_encoder *encoder,
else
frame.avi.colorspace = HDMI_COLORSPACE_RGB;
+ /* nonsense combination */
+ drm_WARN_ON(encoder->base.dev, crtc_state->limited_color_range &&
+ crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB);
+
if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_RGB) {
drm_hdmi_avi_infoframe_quant_range(&frame.avi,
conn_state->connector,
--
2.26.2
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