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-rw-r--r--hw/vfio/igd.c28
1 files changed, 3 insertions, 25 deletions
diff --git a/hw/vfio/igd.c b/hw/vfio/igd.c
index ca3a32f4f2..dda4c7bb5d 100644
--- a/hw/vfio/igd.c
+++ b/hw/vfio/igd.c
@@ -112,28 +112,8 @@ static int igd_gen(VFIOPCIDevice *vdev)
 
 #define IGD_GMCH_GEN6_GMS_SHIFT     3       /* SNB_GMCH in i915 */
 #define IGD_GMCH_GEN6_GMS_MASK      0x1f
-#define IGD_GMCH_GEN6_GGMS_SHIFT    8
-#define IGD_GMCH_GEN6_GGMS_MASK     0x3
 #define IGD_GMCH_GEN8_GMS_SHIFT     8       /* BDW_GMCH in i915 */
 #define IGD_GMCH_GEN8_GMS_MASK      0xff
-#define IGD_GMCH_GEN8_GGMS_SHIFT    6
-#define IGD_GMCH_GEN8_GGMS_MASK     0x3
-
-static uint64_t igd_gtt_memory_size(int gen, uint16_t gmch)
-{
-    uint64_t ggms;
-
-    if (gen < 8) {
-        ggms = (gmch >> IGD_GMCH_GEN6_GGMS_SHIFT) & IGD_GMCH_GEN6_GGMS_MASK;
-    } else {
-        ggms = (gmch >> IGD_GMCH_GEN8_GGMS_SHIFT) & IGD_GMCH_GEN8_GGMS_MASK;
-        if (ggms != 0) {
-            ggms = 1ULL << ggms;
-        }
-    }
-
-    return ggms * MiB;
-}
 
 static uint64_t igd_stolen_memory_size(int gen, uint32_t gmch)
 {
@@ -367,7 +347,7 @@ void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr)
     g_autofree struct vfio_region_info *lpc = NULL;
     PCIDevice *lpc_bridge;
     int ret, gen;
-    uint64_t ggms_size, gms_size;
+    uint64_t gms_size;
     uint64_t *bdsm_size;
     uint32_t gmch;
     Error *err = NULL;
@@ -527,7 +507,6 @@ void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr)
         }
     }
 
-    ggms_size = igd_gtt_memory_size(gen, gmch);
     gms_size = igd_stolen_memory_size(gen, gmch);
 
     /*
@@ -539,7 +518,7 @@ void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr)
      * config offset 0x5C.
      */
     bdsm_size = g_malloc(sizeof(*bdsm_size));
-    *bdsm_size = cpu_to_le64(ggms_size + gms_size);
+    *bdsm_size = cpu_to_le64(gms_size);
     fw_cfg_add_file(fw_cfg_find(), "etc/igd-bdsm-size",
                     bdsm_size, sizeof(*bdsm_size));
 
@@ -559,6 +538,5 @@ void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr)
         pci_set_quad(vdev->emulated_config_bits + IGD_BDSM_GEN11, ~0);
     }
 
-    trace_vfio_pci_igd_bdsm_enabled(vdev->vbasedev.name,
-                                    (ggms_size + gms_size) / MiB);
+    trace_vfio_pci_igd_bdsm_enabled(vdev->vbasedev.name, (gms_size / MiB));
 }