We'll need to propagate drm_edid everywhere.
Signed-off-by: Jani Nikula jani.nikula@intel.com --- drivers/gpu/drm/drm_edid.c | 40 ++++++++++++++++++++++++-------------- 1 file changed, 25 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 3277b4fd33ce..706552ae00ea 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -5144,19 +5144,7 @@ bool drm_detect_hdmi_monitor(const struct edid *edid) } EXPORT_SYMBOL(drm_detect_hdmi_monitor);
-/** - * drm_detect_monitor_audio - check monitor audio capability - * @edid: EDID block to scan - * - * Monitor should have CEA extension block. - * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic - * audio' only. If there is any audio extension block and supported - * audio format, assume at least 'basic audio' support, even if 'basic - * audio' is not defined in EDID. - * - * Return: True if the monitor supports audio, false otherwise. - */ -bool drm_detect_monitor_audio(const struct edid *edid) +static bool _drm_detect_monitor_audio(const struct drm_edid *drm_edid) { struct drm_edid_iter edid_iter; const struct cea_db *db; @@ -5164,7 +5152,7 @@ bool drm_detect_monitor_audio(const struct edid *edid) const u8 *edid_ext; bool has_audio = false;
- drm_edid_iter_begin(edid, &edid_iter); + drm_edid_iter_begin(drm_edid->edid, &edid_iter); drm_edid_iter_for_each(edid_ext, &edid_iter) { if (edid_ext[0] == CEA_EXT) { has_audio = edid_ext[3] & EDID_BASIC_AUDIO; @@ -5179,7 +5167,7 @@ bool drm_detect_monitor_audio(const struct edid *edid) goto end; }
- cea_db_iter_edid_begin(edid, &iter); + cea_db_iter_edid_begin(drm_edid->edid, &iter); cea_db_iter_for_each(db, &iter) { if (cea_db_tag(db) == CTA_DB_AUDIO) { const u8 *data = cea_db_data(db); @@ -5197,6 +5185,28 @@ bool drm_detect_monitor_audio(const struct edid *edid) end: return has_audio; } + +/** + * drm_detect_monitor_audio - check monitor audio capability + * @edid: EDID block to scan + * + * Monitor should have CEA extension block. + * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic + * audio' only. If there is any audio extension block and supported + * audio format, assume at least 'basic audio' support, even if 'basic + * audio' is not defined in EDID. + * + * Return: True if the monitor supports audio, false otherwise. + */ +bool drm_detect_monitor_audio(const struct edid *edid) +{ + struct drm_edid drm_edid = { + .edid = edid, + .size = edid_size(edid), + }; + + return _drm_detect_monitor_audio(&drm_edid); +} EXPORT_SYMBOL(drm_detect_monitor_audio);