diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 19ad4fb0a610..300c4b3d4669 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -197,10 +197,19 @@ int radeon_get_monitor_bpc(struct drm_connector *connector) connector->name, bpc); } } + else if (bpc > 8) { + /* max_tmds_clock missing, but hdmi spec mandates it for deep color. */ + DRM_DEBUG("%s: Required max tmds clock for HDMI deep color missing. Using 8 bpc.\n", + connector->name); + bpc = 8; + } } - if ((radeon_deep_color == 0) && (bpc > 8)) + if ((radeon_deep_color == 0) && (bpc > 8)) { + DRM_DEBUG("%s: Deep color disabled. Set radeon module param deep_color=1 to enable.\n", + connector->name); bpc = 8; + } DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n", connector->name, connector->display_info.bpc, bpc); |