diff options
| -rw-r--r-- | hw/vfio/igd.c | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/hw/vfio/igd.c b/hw/vfio/igd.c index 059ed56439..09bd4e5383 100644 --- a/hw/vfio/igd.c +++ b/hw/vfio/igd.c @@ -59,33 +59,34 @@ */ static int igd_gen(VFIOPCIDevice *vdev) { - if ((vdev->device_id & 0xfff) == 0xa84) { - return 8; /* Broxton */ + /* + * Device IDs for Broxton/Apollo Lake are 0x0a84, 0x1a84, 0x1a85, 0x5a84 + * and 0x5a85, match bit 11:1 here + * Prefix 0x0a is taken by Haswell, this rule should be matched first. + */ + if ((vdev->device_id & 0xffe) == 0xa84) { + return 9; } switch (vdev->device_id & 0xff00) { - /* SandyBridge, IvyBridge, ValleyView, Haswell */ - case 0x0100: - case 0x0400: - case 0x0a00: - case 0x0c00: - case 0x0d00: - case 0x0f00: + case 0x0100: /* SandyBridge, IvyBridge */ return 6; - /* BroadWell, CherryView, SkyLake, KabyLake */ - case 0x1600: - case 0x1900: - case 0x2200: - case 0x5900: + case 0x0400: /* Haswell */ + case 0x0a00: /* Haswell */ + case 0x0c00: /* Haswell */ + case 0x0d00: /* Haswell */ + case 0x0f00: /* Valleyview/Bay Trail */ + return 7; + case 0x1600: /* Broadwell */ + case 0x2200: /* Cherryview */ return 8; - /* CoffeeLake */ - case 0x3e00: + case 0x1900: /* Skylake */ + case 0x5900: /* Kaby Lake */ + case 0x3e00: /* Coffee Lake */ return 9; - /* ElkhartLake */ - case 0x4500: + case 0x4500: /* Elkhart Lake */ return 11; - /* TigerLake */ - case 0x9A00: + case 0x9A00: /* Tiger Lake */ return 12; } @@ -258,7 +259,7 @@ static int vfio_igd_gtt_max(VFIOPCIDevice *vdev) gmch = vfio_pci_read_config(&vdev->pdev, IGD_GMCH, sizeof(gmch)); ggms = (gmch >> (gen < 8 ? 8 : 6)) & 0x3; - if (gen > 6 && ggms != 0) { + if (gen >= 8 && ggms != 0) { ggms = 1 << ggms; } @@ -668,7 +669,7 @@ void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr) /* Determine the size of stolen memory needed for GTT */ ggms_mb = (gmch >> (gen < 8 ? 8 : 6)) & 0x3; - if (gen > 6 && ggms_mb != 0) { + if (gen >= 8 && ggms_mb != 0) { ggms_mb = 1 << ggms_mb; } |