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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-25 11:48:08 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-25 11:48:08 +0300
commitc04005ef3576893e2db315d9ea2cfa4cf88b2c05 (patch)
treec5f73e026486ef172ca5b0f48a34c67d6aa69c5e /drivers/gpu/drm/i915/gvt/opregion.c
parentd15a6b92acfe1f4d7c3d4cf628a348deb7ad6eb3 (diff)
parentef4999852d307d38cfdecd91ed6892cc03beb9b8 (diff)
downloadlinux-rolling-lts.tar.xz
Merge v6.12.25linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/opregion.c')
-rw-r--r--drivers/gpu/drm/i915/gvt/opregion.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gvt/opregion.c b/drivers/gpu/drm/i915/gvt/opregion.c
index 908f910420c2..4ef45520e199 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;