diff options
| -rw-r--r-- | drivers/gpu/drm/drm_edid.c | 64 |
1 files changed, 35 insertions, 29 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 48e529d..ec77bd3 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -3253,17 +3253,12 @@ static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode) } static void -parse_hdmi_vsdb(struct drm_connector *connector, const u8 *db) +drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db) { - struct drm_display_info *info = &connector->display_info; u8 len = cea_db_payload_len(db); - if (len >= 6) { + if (len >= 6) connector->eld[5] |= (db[6] >> 7) << 1; /* Supports_AI */ - info->dvi_dual = db[6] & 1; - } - if (len >= 7) - info->max_tmds_clock = db[7] * 5000; if (len >= 8) { connector->latency_present[0] = db[8] >> 7; connector->latency_present[1] = (db[8] >> 6) & 1; @@ -3277,19 +3272,15 @@ parse_hdmi_vsdb(struct drm_connector *connector, const u8 *db) if (len >= 12) connector->audio_latency[1] = db[12]; - DRM_DEBUG_KMS("HDMI: DVI dual %d, " - "max TMDS clock %d, " - "latency present %d %d, " - "video latency %d %d, " - "audio latency %d %d\n", - info->dvi_dual, - info->max_tmds_clock, - (int) connector->latency_present[0], - (int) connector->latency_present[1], - connector->video_latency[0], - connector->video_latency[1], - connector->audio_latency[0], - connector->audio_latency[1]); + DRM_DEBUG_KMS("HDMI: latency present %d %d, " + "video latency %d %d, " + "audio latency %d %d\n", + connector->latency_present[0], + connector->latency_present[1], + connector->video_latency[0], + connector->video_latency[1], + connector->audio_latency[0], + connector->audio_latency[1]); } static void @@ -3350,7 +3341,6 @@ EXPORT_SYMBOL(drm_edid_get_monitor_name); */ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) { - struct drm_display_info *info = &connector->display_info; uint8_t *eld = connector->eld; u8 *cea; u8 *db; @@ -3367,9 +3357,6 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) connector->video_latency[1] = 0; connector->audio_latency[1] = 0; - info->max_tmds_clock = 0; - info->dvi_dual = false; - cea = drm_find_cea_extension(edid); if (!cea) { DRM_DEBUG_KMS("ELD: no CEA Extension found\n"); @@ -3419,7 +3406,7 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid) case VENDOR_BLOCK: /* HDMI Vendor-Specific Data Block */ if (cea_db_is_hdmi_vsdb(db)) - parse_hdmi_vsdb(connector, db); + drm_parse_hdmi_vsdb_audio(connector, db); break; default: break; @@ -3800,6 +3787,25 @@ static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector, } } +static void +drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db) +{ + struct drm_display_info *info = &connector->display_info; + u8 len = cea_db_payload_len(db); + + if (len >= 6) + info->dvi_dual = db[6] & 1; + if (len >= 7) + info->max_tmds_clock = db[7] * 5000; + + DRM_DEBUG_KMS("HDMI: DVI dual %d, " + "max TMDS clock %d kHz\n", + info->dvi_dual, + info->max_tmds_clock); + + drm_parse_hdmi_deep_color_info(connector, db); +} + static void drm_parse_cea_ext(struct drm_connector *connector, struct edid *edid) { @@ -3826,10 +3832,8 @@ static void drm_parse_cea_ext(struct drm_connector *connector, for_each_cea_db(edid_ext, i, start, end) { const u8 *db = &edid_ext[i]; - if (!cea_db_is_hdmi_vsdb(db)) - continue; - - drm_parse_hdmi_deep_color_info(connector, db); + if (cea_db_is_hdmi_vsdb(db)) + drm_parse_hdmi_vsdb_video(connector, db); } } @@ -3845,6 +3849,8 @@ static void drm_add_display_info(struct drm_connector *connector, info->bpc = 0; info->color_formats = 0; info->cea_rev = 0; + info->max_tmds_clock = 0; + info->dvi_dual = false; if (edid->revision < 3) return; |