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| author | Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> | 2020-06-30 05:56:58 +0530 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-06-30 13:31:15 +0200 |
| commit | 536faa450e17f32fddb1a2124e3df71a966122cd (patch) | |
| tree | d7c36abd6fa032fc21dc6f044b20295176001a2b /include/drm/drm_edid.h | |
| parent | e9d636ab77ea2d1beeaf2bbb881331318ea5a6eb (diff) | |
| download | linux-536faa450e17f32fddb1a2124e3df71a966122cd.tar.gz linux-536faa450e17f32fddb1a2124e3df71a966122cd.tar.bz2 linux-536faa450e17f32fddb1a2124e3df71a966122cd.zip | |
drm: Add helper to compare edids.
Many drivers would benefit from using
drm helper to compare edid, rather
than bothering with own implementation.
v2: Added documentation for this function.
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200630002700.5451-2-kunal1.joshi@intel.com
Diffstat (limited to 'include/drm/drm_edid.h')
| -rw-r--r-- | include/drm/drm_edid.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 43254319ab19..cfa4f5af49af 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -359,6 +359,15 @@ 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, const struct drm_connector *connector, |