diff options
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_hdmi.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index be39e55ae113..7966e3b00332 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -104,6 +104,15 @@ static bool vc4_hdmi_mode_needs_scrambling(const struct drm_display_mode *mode) return (mode->clock * 1000) > HDMI_14_MAX_TMDS_CLK; } +static bool vc4_hdmi_is_full_range_rgb(struct vc4_hdmi *vc4_hdmi, + const struct drm_display_mode *mode) +{ + struct vc4_hdmi_encoder *vc4_encoder = &vc4_hdmi->encoder; + + return !vc4_encoder->hdmi_monitor || + drm_default_rgb_quant_range(mode) == HDMI_QUANTIZATION_RANGE_FULL; +} + static int vc4_hdmi_debugfs_regs(struct seq_file *m, void *unused) { struct drm_info_node *node = (struct drm_info_node *)m->private; @@ -1119,8 +1128,7 @@ static void vc4_hdmi_encoder_pre_crtc_enable(struct drm_encoder *encoder, mutex_lock(&vc4_hdmi->mutex); - if (vc4_encoder->hdmi_monitor && - drm_default_rgb_quant_range(mode) == HDMI_QUANTIZATION_RANGE_LIMITED) { + if (!vc4_hdmi_is_full_range_rgb(vc4_hdmi, mode)) { if (vc4_hdmi->variant->csc_setup) vc4_hdmi->variant->csc_setup(vc4_hdmi, true); |