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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
commit8f9aa2c90530ab92301a82231ae44f3722becd93 (patch)
treefb282e955b0a880b07131a135257fe3ec764e928 /drivers/gpu/drm/drm_edid.c
parent93467b31bec6da512b51544e5e4584f2745e995e (diff)
parent155b42bec9cbb6b8cdc47dd9bd09503a81fbe493 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/drm_edid.c')
-rw-r--r--drivers/gpu/drm/drm_edid.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 404208bf23a6..df3c25bac761 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -7575,6 +7575,14 @@ static void drm_parse_tiled_block(struct drm_connector *connector,
u8 num_v_tile, num_h_tile;
struct drm_tile_group *tg;
+ /* tiled block payload per spec: cap 1 + topo 3 + size 4 + bezel 5 + id 9 = 22 */
+ if (block->num_bytes < 22) {
+ drm_dbg_kms(connector->dev,
+ "[CONNECTOR:%d:%s] Unexpected tiled block size %u\n",
+ connector->base.id, connector->name, block->num_bytes);
+ return;
+ }
+
w = tile->tile_size[0] | tile->tile_size[1] << 8;
h = tile->tile_size[2] | tile->tile_size[3] << 8;