drm/vc4: hdmi: Rename full range helper

The VC4 HDMI driver has a helper function to figure out whether full
range or limited range RGB is being used called
vc4_hdmi_is_full_range_rgb().

We'll need it to support other colorspaces, so let's rename it to
vc4_hdmi_is_full_range().

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20221207-rpi-hdmi-improvements-v3-4-bdd54f66884e@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index fd26538..328e529 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -153,8 +153,8 @@ static bool vc4_hdmi_mode_needs_scrambling(const struct drm_display_mode *mode,
        return clock > HDMI_14_MAX_TMDS_CLK;
 }
 
-static bool vc4_hdmi_is_full_range_rgb(struct vc4_hdmi *vc4_hdmi,
-                                      struct vc4_hdmi_connector_state *vc4_state)
+static bool vc4_hdmi_is_full_range(struct vc4_hdmi *vc4_hdmi,
+                                  struct vc4_hdmi_connector_state *vc4_state)
 {
        const struct drm_display_mode *mode = &vc4_hdmi->saved_adjusted_mode;
        struct drm_display_info *display = &vc4_hdmi->connector.display_info;
@@ -916,7 +916,7 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
 
        drm_hdmi_avi_infoframe_quant_range(&frame.avi,
                                           connector, mode,
-                                          vc4_hdmi_is_full_range_rgb(vc4_hdmi, vc4_state) ?
+                                          vc4_hdmi_is_full_range(vc4_hdmi, vc4_state) ?
                                           HDMI_QUANTIZATION_RANGE_FULL :
                                           HDMI_QUANTIZATION_RANGE_LIMITED);
        drm_hdmi_avi_infoframe_colorimetry(&frame.avi, cstate);
@@ -1174,7 +1174,7 @@ static void vc4_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi,
        csc_ctl = VC4_SET_FIELD(VC4_HD_CSC_CTL_ORDER_BGR,
                                VC4_HD_CSC_CTL_ORDER);
 
-       if (!vc4_hdmi_is_full_range_rgb(vc4_hdmi, vc4_state)) {
+       if (!vc4_hdmi_is_full_range(vc4_hdmi, vc4_state)) {
                /* CEA VICs other than #1 requre limited range RGB
                 * output unless overridden by an AVI infoframe.
                 * Apply a colorspace conversion to squash 0-255 down
@@ -1327,7 +1327,7 @@ static void vc5_hdmi_csc_setup(struct vc4_hdmi *vc4_hdmi,
        case VC4_HDMI_OUTPUT_RGB:
                if_xbar = 0x354021;
 
-               if (!vc4_hdmi_is_full_range_rgb(vc4_hdmi, vc4_state))
+               if (!vc4_hdmi_is_full_range(vc4_hdmi, vc4_state))
                        vc5_hdmi_set_csc_coeffs(vc4_hdmi, vc5_hdmi_csc_full_rgb_to_limited_rgb);
                else
                        vc5_hdmi_set_csc_coeffs(vc4_hdmi, vc5_hdmi_csc_full_rgb_unity);