G80: Improve output detection.

Detect output status for paired outputs together and cache status until the
BlockHandler to avoid redundantly probing for EDIDs or performing load
detection.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/g80_output.h b/src/g80_output.h
index 819df15..0b666f5 100644
--- a/src/g80_output.h
+++ b/src/g80_output.h
@@ -5,6 +5,8 @@ typedef struct G80OutputPrivRec {
     xf86OutputPtr partner;
     I2CBusPtr i2c;
 
+    xf86OutputStatus cached_status;
+
     void (*set_pclk)(xf86OutputPtr, int pclk);
 } G80OutputPrivRec, *G80OutputPrivPtr;
 
@@ -13,12 +15,15 @@ int G80OutputModeValid(xf86OutputPtr, DisplayModePtr);
 Bool G80OutputModeFixup(xf86OutputPtr, DisplayModePtr mode, DisplayModePtr adjusted_mode);
 void G80OutputPrepare(xf86OutputPtr);
 void G80OutputCommit(xf86OutputPtr);
+void G80OutputPartnersDetect(xf86OutputPtr dac, xf86OutputPtr sor, I2CBusPtr i2c);
+void G80OutputResetCachedStatus(ScrnInfoPtr);
 DisplayModePtr G80OutputGetDDCModes(xf86OutputPtr);
 void G80OutputDestroy(xf86OutputPtr);
 Bool G80CreateOutputs(ScrnInfoPtr);
 
 /* g80_dac.c */
 xf86OutputPtr G80CreateDac(ScrnInfoPtr, ORNum);
+Bool G80DacLoadDetect(xf86OutputPtr);
 
 /* g80_sor.c */
 xf86OutputPtr G80CreateSor(ScrnInfoPtr, ORNum);