[PATCH] libxl+hvmloader: extend IGD check part 2

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

Consider also "Display controller" an IGD, not only "VGA compatible
controller" in few more places.

Fixes: 4191619e0893 ("libxl: extend IGD check")
Signed-off-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
---
Do you prefer this to be split into two patches (libxl, hvmloader)?

 tools/firmware/hvmloader/pci.c | 1 +
 tools/libs/light/libxl_pci.c   | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/firmware/hvmloader/pci.c b/tools/firmware/hvmloader/pci.c
index c3c61ca060a6..1ee97a5b4b20 100644
--- a/tools/firmware/hvmloader/pci.c
+++ b/tools/firmware/hvmloader/pci.c
@@ -173,6 +173,7 @@ void pci_setup(void)
         switch ( class )
         {
         case 0x0300:
+        case 0x0380:
             /* If emulated VGA is found, preserve it as primary VGA. */
             if ( (vendor_id == 0x1234) && (device_id == 0x1111) )
             {
diff --git a/tools/libs/light/libxl_pci.c b/tools/libs/light/libxl_pci.c
index 1647fd6f4756..db1299832cce 100644
--- a/tools/libs/light/libxl_pci.c
+++ b/tools/libs/light/libxl_pci.c
@@ -2575,7 +2575,8 @@ int libxl__grant_vga_iomem_permission(libxl__gc *gc, 
const uint32_t domid,
 
         if (sysfs_dev_get_class(gc, pci, &pci_device_class))
             continue;
-        if (pci_device_class != 0x030000) /* VGA class */
+        if (pci_device_class != 0x030000 && /* VGA class */
+                pci_device_class != 0x038000) /* Display class */
             continue;
 
         stubdom_domid = libxl_get_stubdom_id(CTX, domid);
-- 
2.48.1