[PATCH 2/3] xfree86: Refactor xf86MonitorIsHDMI() using xf86MonitorFindHDMIBlock()
Damien Lespiau
damien.lespiau at intel.com
Mon Dec 16 07:17:46 PST 2013
Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
hw/xfree86/ddc/interpret_edid.c | 46 +----------------------------------------
1 file changed, 1 insertion(+), 45 deletions(-)
diff --git a/hw/xfree86/ddc/interpret_edid.c b/hw/xfree86/ddc/interpret_edid.c
index 81957de..a62adb8 100644
--- a/hw/xfree86/ddc/interpret_edid.c
+++ b/hw/xfree86/ddc/interpret_edid.c
@@ -757,49 +757,5 @@ validate_version(int scrnIndex, struct edid_version *r)
Bool
xf86MonitorIsHDMI(xf86MonPtr mon)
{
- int i = 0, version, offset;
- char *edid = NULL;
-
- if (!mon)
- return FALSE;
-
- if (!(mon->flags & EDID_COMPLETE_RAWDATA))
- return FALSE;
-
- if (!mon->no_sections)
- return FALSE;
-
- edid = (char *) mon->rawData;
- if (!edid)
- return FALSE;
-
- /* find the CEA extension block */
- for (i = 1; i <= mon->no_sections; i++)
- if (edid[i * 128] == 0x02)
- break;
- if (i == mon->no_sections + 1)
- return FALSE;
- edid += (i * 128);
-
- version = edid[1];
- offset = edid[2];
- if (version < 3 || offset < 4)
- return FALSE;
-
- /* walk the cea data blocks */
- for (i = 4; i < offset; i += (edid[i] & 0x1f) + 1) {
- char *x = edid + i;
-
- /* find a vendor specific block */
- if ((x[0] & 0xe0) >> 5 == 0x03) {
- int oui = (x[3] << 16) + (x[2] << 8) + x[1];
-
- /* find the HDMI vendor OUI */
- if (oui == IEEE_ID_HDMI)
- return TRUE;
- }
- }
-
- /* guess it's not HDMI after all */
- return FALSE;
+ return xf86MonitorFindHDMIBlock(mon) != NULL;
}
--
1.8.3.1
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