Am 17.03.21 um 16:43 schrieb Maxime Ripard:
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@cerno.tech
Acked-by: Thomas Zimmermann tzimmermann@suse.de
although with a comments
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 ||
Is this ever being called from non-HDMI code? If not, I'd put an drm_WARN_ONCE around this check.
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);