diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/opregion.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/opregion.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gvt/opregion.c b/drivers/gpu/drm/i915/gvt/opregion.c index 908f910420c2..dbad4d853d3a 100644 --- a/drivers/gpu/drm/i915/gvt/opregion.c +++ b/drivers/gpu/drm/i915/gvt/opregion.c @@ -222,7 +222,6 @@ int intel_vgpu_init_opregion(struct intel_vgpu *vgpu) u8 *buf; struct opregion_header *header; struct vbt v; - const char opregion_signature[16] = OPREGION_SIGNATURE; gvt_dbg_core("init vgpu%d opregion\n", vgpu->id); vgpu_opregion(vgpu)->va = (void *)__get_free_pages(GFP_KERNEL | @@ -236,8 +235,10 @@ int intel_vgpu_init_opregion(struct intel_vgpu *vgpu) /* emulated opregion with VBT mailbox only */ buf = (u8 *)vgpu_opregion(vgpu)->va; header = (struct opregion_header *)buf; - memcpy(header->signature, opregion_signature, - sizeof(opregion_signature)); + + static_assert(sizeof(header->signature) == sizeof(OPREGION_SIGNATURE) - 1); + memcpy(header->signature, OPREGION_SIGNATURE, sizeof(header->signature)); + header->size = 0x8; header->opregion_ver = 0x02000000; header->mboxes = MBOX_VBT; @@ -439,7 +440,7 @@ int intel_vgpu_emulate_opregion_request(struct intel_vgpu *vgpu, u32 swsci) gvt_vgpu_err("requesting SMI service\n"); return 0; } - /* ignore non 0->1 trasitions */ + /* ignore non 0->1 transitions */ if ((vgpu_cfg_space(vgpu)[INTEL_GVT_PCI_SWSCI] & SWSCI_SCI_TRIGGER) || !(swsci & SWSCI_SCI_TRIGGER)) { |