We're going to need to tell whether we want to run with a full or
limited range RGB output in multiple places in the code, so let's create
a helper that will return whether we need with full range or not.
Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index eee9751009c2..fc545072b173 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -95,6 +95,15 @@
#define HDMI_14_MAX_TMDS_CLK (340 * 1000 * 1000)
+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;
@@ -833,8 +842,7 @@ static void vc4_hdmi_encoder_pre_crtc_enable(struct drm_encoder *encoder,
struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
struct vc4_hdmi *vc4_hdmi = encoder_to_vc4_hdmi(encoder);
- 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);
--
2.30.2
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