diff options
-rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index a598329a3354..7ee101644e75 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -982,6 +982,17 @@ static int cmd_reg_handler(struct parser_exec_state *s, patch_value(s, cmd_ptr(s, index), VGT_PVINFO_PAGE); } + if (!strncmp(cmd, "srm", 3) || + !strncmp(cmd, "lrm", 3)) { + if (offset != i915_mmio_reg_offset(GEN8_L3SQCREG4) && + offset != 0x21f0) { + gvt_vgpu_err("%s access to register (%x)\n", + cmd, offset); + return -EPERM; + } else + return 0; + } + if (is_cmd_update_pdps(offset, s) && cmd_pdp_mmio_update_handler(s, offset, index)) return -EINVAL; |