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Diffstat (limited to 'include/drm/drm_edid.h')
-rw-r--r--include/drm/drm_edid.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 34b15e3d070c..cfa4f5af49af 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -359,13 +359,22 @@ drm_load_edid_firmware(struct drm_connector *connector)
}
#endif
+/**
+ * drm_edid_are_equal - compare two edid blobs.
+ * @edid1: pointer to first blob
+ * @edid2: pointer to second blob
+ * 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);
+
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 +387,7 @@ 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);