drm: edid: Constify connector argument to infoframe functions

The drm_hdmi_avi_infoframe_from_display_mode(),
drm_hdmi_vendor_infoframe_from_display_mode() and
drm_hdmi_avi_infoframe_quant_range() functions take a drm_connector that
they don't modify. Mark it as const.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200526011505.31884-10-laurent.pinchart+renesas@ideasonboard.com

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 57cac67..54b1d4f 100644 (file)
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -5359,7 +5359,7 @@ void drm_set_preferred_mode(struct drm_connector *connector,
 }
 EXPORT_SYMBOL(drm_set_preferred_mode);
 
-static bool is_hdmi2_sink(struct drm_connector *connector)
+static bool is_hdmi2_sink(const struct drm_connector *connector)
 {
        /*
         * FIXME: sil-sii8620 doesn't have a connector around when
@@ -5444,7 +5444,7 @@ drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
 }
 EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
 
-static u8 drm_mode_hdmi_vic(struct drm_connector *connector,
+static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
                            const struct drm_display_mode *mode)
 {
        bool has_hdmi_infoframe = connector ?
@@ -5460,7 +5460,7 @@ static u8 drm_mode_hdmi_vic(struct drm_connector *connector,
        return drm_match_hdmi_mode(mode);
 }
 
-static u8 drm_mode_cea_vic(struct drm_connector *connector,
+static u8 drm_mode_cea_vic(const struct drm_connector *connector,
                           const struct drm_display_mode *mode)
 {
        u8 vic;
@@ -5498,7 +5498,7 @@ static u8 drm_mode_cea_vic(struct drm_connector *connector,
  */
 int
 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
-                                        struct drm_connector *connector,
+                                        const struct drm_connector *connector,
                                         const struct drm_display_mode *mode)
 {
        enum hdmi_picture_aspect picture_aspect;
@@ -5645,7 +5645,7 @@ EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
  */
 void
 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
-                                  struct drm_connector *connector,
+                                  const struct drm_connector *connector,
                                   const struct drm_display_mode *mode,
                                   enum hdmi_quantization_range rgb_quant_range)
 {
@@ -5749,7 +5749,7 @@ s3d_structure_from_display_mode(const struct drm_display_mode *mode)
  */
 int
 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
-                                           struct drm_connector *connector,
+                                           const struct drm_connector *connector,
                                            const struct drm_display_mode *mode)
 {
        /*

diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 34b15e3..4325431 100644 (file)
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -361,11 +361,11 @@ drm_load_edid_firmware(struct drm_connector *connector)
 
 int
 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
-                                        struct drm_connector *connector,
+                                        const struct drm_connector *connector,
                                         const struct drm_display_mode *mode);
 int
 drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
-                                           struct drm_connector *connector,
+                                           const struct drm_connector *connector,
                                            const struct drm_display_mode *mode);
 
 void
@@ -378,7 +378,7 @@ drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
 
 void
 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
-                                  struct drm_connector *connector,
+                                  const struct drm_connector *connector,
                                   const struct drm_display_mode *mode,
                                   enum hdmi_quantization_range rgb_quant_range);