diff options
| author | Zhao Yakui <yakui.zhao@intel.com> | 2009-09-22 10:58:38 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2009-09-22 10:58:38 +0800 |
| commit | 02fe9be695f7e209944bd0f7b67950f93619feee (patch) | |
| tree | 6578cdbf39e1da7bb21a07653a02561286241809 /src | |
| parent | 762e406d138ac80854b6a23b1078b52f6581f0d8 (diff) | |
Check whether the DVI-I/D is connected or disconnected based on EDID
When the monitor is digital type for SDVO-DVI D, there should exist the EDID. If
there is no EDID, it should be detected as disconnected.
Signe-off-by: Zhao Yakui <yakui.zhao@intel.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/i830_sdvo.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/i830_sdvo.c b/src/i830_sdvo.c index 8f3193b1..5ffe0e8f 100644 --- a/src/i830_sdvo.c +++ b/src/i830_sdvo.c @@ -1824,6 +1824,9 @@ i830_sdvo_detect(xf86OutputPtr output) xf86MonPtr edid_mon; /* Check EDID in DVI-I case */ edid_mon = xf86OutputGetEDID (output, intel_output->pDDCBus); + /* when there is no EDID, it should be detected as disconnected */ + if (!edid_mon) + return XF86OutputStatusDisconnected; if (edid_mon && !DIGITAL(edid_mon->features.input_type)) { xfree(edid_mon); return XF86OutputStatusDisconnected; |