Move filling out the default video (v)ram to DeviceDefPostParse.

This means it can be removed from virDomainVideoDefParseXML
and qemuParseCommandLine. Also, we no longer need to special case
VIR_DOMAIN_VIRT_XEN, since the per-driver callback gets called
before the generic one.
---
 src/conf/domain_conf.c        | 15 ++++++---------
 src/qemu/qemu_parse_command.c |  2 --
 2 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index b3165fc..ed0c471 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -4174,6 +4174,12 @@ 
virDomainDeviceDefPostParseInternal(virDomainDeviceDefPtr dev,
 
     if (dev->type == VIR_DOMAIN_DEVICE_VIDEO) {
         virDomainVideoDefPtr video = dev->data.video;
+        /* Fill out (V)RAM if the driver-specific callback did not do so */
+        if (video->ram == 0 && video->type == VIR_DOMAIN_VIDEO_TYPE_QXL)
+            video->ram = virDomainVideoDefaultRAM(def, video->type);
+        if (video->vram == 0)
+            video->vram = virDomainVideoDefaultRAM(def, video->type);
+
         video->ram = VIR_ROUND_UP_POWER_OF_TWO(video->ram);
         video->vram = VIR_ROUND_UP_POWER_OF_TWO(video->vram);
     }
@@ -12045,10 +12051,6 @@ unsigned int
 virDomainVideoDefaultRAM(const virDomainDef *def,
                          const virDomainVideoType type)
 {
-    /* Defer setting default vram to the Xen drivers */
-    if (def->virtType == VIR_DOMAIN_VIRT_XEN)
-        return 0;
-
     switch (type) {
     case VIR_DOMAIN_VIDEO_TYPE_VGA:
     case VIR_DOMAIN_VIDEO_TYPE_CIRRUS:
@@ -12227,8 +12229,6 @@ virDomainVideoDefParseXML(xmlNodePtr node,
                            _("cannot parse video ram '%s'"), ram);
             goto error;
         }
-    } else if (def->type == VIR_DOMAIN_VIDEO_TYPE_QXL) {
-        def->ram = virDomainVideoDefaultRAM(dom, def->type);
     }
 
     if (vram) {
@@ -12237,8 +12237,6 @@ virDomainVideoDefParseXML(xmlNodePtr node,
                            _("cannot parse video vram '%s'"), vram);
             goto error;
         }
-    } else {
-        def->vram = virDomainVideoDefaultRAM(dom, def->type);
     }
 
     if (vram64) {
@@ -18697,7 +18695,6 @@ virDomainDefAddImplicitVideo(virDomainDefPtr def)
                        _("cannot determine default video type"));
         goto cleanup;
     }
-    video->vram = virDomainVideoDefaultRAM(def, video->type);
     video->heads = 1;
     if (VIR_APPEND_ELEMENT(def->videos, def->nvideos, video) < 0)
         goto cleanup;
diff --git a/src/qemu/qemu_parse_command.c b/src/qemu/qemu_parse_command.c
index 7ce90f9..e30586f 100644
--- a/src/qemu/qemu_parse_command.c
+++ b/src/qemu/qemu_parse_command.c
@@ -2583,9 +2583,7 @@ qemuParseCommandLine(virCapsPtr caps,
             vid->type = VIR_DOMAIN_VIDEO_TYPE_XEN;
         else
             vid->type = video;
-        vid->vram = virDomainVideoDefaultRAM(def, vid->type);
         if (vid->type == VIR_DOMAIN_VIDEO_TYPE_QXL) {
-            vid->ram = virDomainVideoDefaultRAM(def, vid->type);
             vid->vgamem = QEMU_QXL_VGAMEM_DEFAULT;
         } else {
             vid->ram = 0;
-- 
2.7.3

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