diff options
| author | Alex Deucher | 2014-06-16 17:46:57 -0400 |
|---|---|---|
| committer | Alex Deucher | 2014-06-18 16:30:48 -0400 |
| commit | f2263fc79655e155d84baf4d475cf02caaf2f8fc (patch) | |
| tree | acda48f549c0b73d22662b50eb26e13e16feff79 | |
| parent | 6536a3a6675816c0120fe20b5d716162aabfce10 (diff) | |
drm/radeon: improve dvi_mode_valid
Make sure we have an HDMI monitor before validating modes with
clocks >165 Mhz on single link connections.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index cfb2c8f88890..1b9177ed181f 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1288,17 +1288,15 @@ static int radeon_dvi_mode_valid(struct drm_connector *connector, (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) || (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B)) return MODE_OK; - else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) { - if (ASIC_IS_DCE6(rdev)) { - /* HDMI 1.3+ supports max clock of 340 Mhz */ - if (mode->clock > 340000) - return MODE_CLOCK_HIGH; - else - return MODE_OK; - } else + else if (ASIC_IS_DCE6(rdev) && drm_detect_hdmi_monitor(radeon_connector->edid)) { + /* HDMI 1.3+ supports max clock of 340 Mhz */ + if (mode->clock > 340000) return MODE_CLOCK_HIGH; - } else + else + return MODE_OK; + } else { return MODE_CLOCK_HIGH; + } } /* check against the max pixel clock */ |