File xf86-video-ati-bug296856.diff of Package xorg-x11-driver-video

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File xf86-video-ati-bug296856.diff of Package xorg-x11-driver-video (Revision 7521447e6a2a692e2746f2d658c1ec40)

Currently displaying revision 7521447e6a2a692e2746f2d658c1ec40 , Show latest

diff --git a/src/radeon_modes.c b/src/radeon_modes.c
index 1a63971..bd006e7 100644
--- a/src/radeon_modes.c
+++ b/src/radeon_modes.c
@@ -300,6 +300,8 @@ int RADEONValidateDDCModes(ScrnInfoPtr pScrn1, char **ppModeName,
     DisplayModePtr  ddcModes   = NULL;
     int             count      = 0;
     int             i, width, height;
+    int             maxXRes = 0;
+    int             maxYRes = 0;
     ScrnInfoPtr pScrn = pScrn1;
 
     if (crtc2)
@@ -334,13 +336,13 @@ int RADEONValidateDDCModes(ScrnInfoPtr pScrn1, char **ppModeName,
 		p->Flags     |= RADEON_USE_RMX;
 	    }
 
-	    maxVirtX = MAX(maxVirtX, p->HDisplay);
-	    maxVirtY = MAX(maxVirtY, p->VDisplay);
+	    maxXRes = maxVirtX = MAX(maxVirtX, p->HDisplay);
+	    maxYRes = maxVirtY = MAX(maxVirtY, p->VDisplay);
 	    count++;
 
 	    last = p;
 	}
-
+    
 	/* Match up modes that are specified in the XF86Config file */
 	if (ppModeName[0]) {
 	    DisplayModePtr  next;
@@ -378,10 +380,23 @@ int RADEONValidateDDCModes(ScrnInfoPtr pScrn1, char **ppModeName,
 			    break;
 			}
 		    }
+            if(!p)
+            {
+                xf86DrvMsg(pScrn->scrnIndex, X_ERROR," %dx%d is not supported by the device\n", width, height);
+            }
 		}
 	    }
-
-	    /*
+        /*just for sanity check, if maxVirtX and maxVirtY are not specified,
+          set max resolution that panel support for the max virtual dimensions
+         */
+        if ((!maxVirtX) || (!maxVirtY))
+        {
+            maxVirtX = maxXRes;
+            maxVirtY = maxYRes;
+        }
+        
+	    
+        /*
 	     * Add remaining DDC modes if they're smaller than the user
 	     * specified modes
 	     */

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File xf86-video-ati-bug296856.diff of Package xorg-x11-driver-video (Revision 7521447e6a2a692e2746f2d658c1ec40)

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