Bug 1632239 - Reduce AMD DirectComposition blocking. r=aosmond

Haven't seen any problems so lets be less conservative.
This uses the arbitrary broken version as a new minimum.

Differential Revision: https://phabricator.services.mozilla.com/D72018

widget/windows/GfxInfo.cpp

@@ -1887,16 +1887,9 @@ const nsTArray<GfxDriverInfo>& GfxInfo::GetGfxDriverInfo() {
     APPEND_TO_DRIVER_BLOCKLIST2(OperatingSystem::Windows, DeviceFamily::AtiAll,
                                 nsIGfxInfo::FEATURE_WEBRENDER_COMPOSITOR,
                                 nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
-                                DRIVER_EQUAL, V(8, 17, 10, 1129),
+                                DRIVER_LESS_THAN_OR_EQUAL, V(8, 17, 10, 1129),
                                 "FEATURE_FAILURE_CHROME_BUG_800950");
 
-    // Block all AMD for now
-    APPEND_TO_DRIVER_BLOCKLIST2(OperatingSystem::Windows, DeviceFamily::AtiAll,
-                                nsIGfxInfo::FEATURE_WEBRENDER_COMPOSITOR,
-                                nsIGfxInfo::FEATURE_BLOCKED_DEVICE,
-                                DRIVER_COMPARISON_IGNORED, V(0, 0, 0, 0),
-                                "FEATURE_FAILURE_ALL_AMD");
-
     // Block all non-recent Win10
     APPEND_TO_DRIVER_BLOCKLIST2(
         OperatingSystem::NotRecentWindows10, DeviceFamily::All,