diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 404208bf23a6..aebbff8ac992 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -6715,30 +6715,35 @@ static void drm_reset_display_info(struct drm_connector *connector) memset(&info->amd_vsdb, 0, sizeof(info->amd_vsdb)); } +static void drm_displayid_process_base_section_header(struct drm_connector *connector, + const struct displayid_iter *iter) +{ + struct drm_display_info *info = &connector->display_info; + + drm_dbg_kms(connector->dev, + "[CONNECTOR:%d:%s] DisplayID extension version 0x%02x, primary use 0x%02x\n", + connector->base.id, connector->name, + displayid_version(iter), + displayid_primary_use(iter)); + if (displayid_version(iter) == DISPLAY_ID_STRUCTURE_VER_20 && + (displayid_primary_use(iter) == PRIMARY_USE_HEAD_MOUNTED_VR || + displayid_primary_use(iter) == PRIMARY_USE_HEAD_MOUNTED_AR)) + info->non_desktop = true; +} + static void update_displayid_info(struct drm_connector *connector, const struct drm_edid *drm_edid) { - struct drm_display_info *info = &connector->display_info; const struct displayid_block *block; struct displayid_iter iter; + bool base_section_header_processed = false; displayid_iter_edid_begin(drm_edid, &iter); displayid_iter_for_each(block, &iter) { - drm_dbg_kms(connector->dev, - "[CONNECTOR:%d:%s] DisplayID extension version 0x%02x, primary use 0x%02x\n", - connector->base.id, connector->name, - displayid_version(&iter), - displayid_primary_use(&iter)); - if (displayid_version(&iter) == DISPLAY_ID_STRUCTURE_VER_20 && - (displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_VR || - displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_AR)) - info->non_desktop = true; - - /* - * We're only interested in the base section here, no need to - * iterate further. - */ - break; + if (!base_section_header_processed) { + drm_displayid_process_base_section_header(connector, &iter); + base_section_header_processed = true; + } } displayid_iter_end(&iter); }