drm/edid: make drm_edid_are_equal() static

drm_edid_are_equal() is only used within drm_edid.c. Make it static. Do
not encourage more uses of struct edid.

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/aa79be9a5d0b08c71b82b86b5a8ff0f332e13c6a.1713259151.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 4b3ad42a8f95c5565d7952a50a405c14386c39c2..463fbad85d90b4839b3cdc80621ef48d2c3a0d28 100644 (file)
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1827,7 +1827,7 @@ static bool edid_block_is_zero(const void *edid)
  * This helper can be used during probing to determine if
  * edid had changed.
  */
-bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
+static bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
 {
        int edid1_len, edid2_len;
        bool edid1_present = edid1 != NULL;
@@ -1849,7 +1849,6 @@ bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
 
        return true;
 }
-EXPORT_SYMBOL(drm_edid_are_equal);
 
 enum edid_block_status {
        EDID_BLOCK_OK = 0,

diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 92fff199aa788a3d491d89acee4ba55eaa4cf7ab..b085525e53e24094e9cf45ad159799bd2a7232ac 100644 (file)
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -348,8 +348,6 @@ int drm_edid_to_speaker_allocation(const struct edid *edid, u8 **sadb);
 int drm_av_sync_delay(struct drm_connector *connector,
                      const struct drm_display_mode *mode);
 
-bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2);
-
 int
 drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
                                         const struct drm_connector *connector,