diff --git a/src/panfrost/lib/pan_layout.c b/src/panfrost/lib/pan_layout.c
index b1af38a2f89..b5f7d6788a0 100644
--- a/src/panfrost/lib/pan_layout.c
+++ b/src/panfrost/lib/pan_layout.c
@@ -120,7 +120,7 @@ pan_image_renderblock_size_el(uint64_t modifier, enum pipe_format format,
 
 static void
 init_slice_crc_info(unsigned arch, struct pan_image_slice_layout *slice,
-                    unsigned width_px, unsigned height_px, unsigned offset_B)
+                    unsigned width_px, unsigned height_px, uint64_t offset_B)
 {
    unsigned checksum_region_size_px = pan_meta_tile_size(arch);
    unsigned checksum_x_tile_per_region =
diff --git a/src/panfrost/lib/pan_layout.h b/src/panfrost/lib/pan_layout.h
index d366366dbae..360ec75bfdd 100644
--- a/src/panfrost/lib/pan_layout.h
+++ b/src/panfrost/lib/pan_layout.h
@@ -32,7 +32,10 @@ struct pan_image_slice_layout {
     * - report image subres layout and memory requirement
     * - bind image memory
     */
-   unsigned offset_B;
+   uint64_t offset_B;
+
+   /* Size of the MIP level in bytes. */
+   uint64_t size_B;
 
    /* For AFBC images, the number of bytes between two rows of AFBC
     * headers.
@@ -71,12 +74,10 @@ struct pan_image_slice_layout {
    /* If checksumming is enabled following the slice, what
     * is its offset/stride? */
    struct {
-      unsigned offset_B;
+      uint64_t offset_B;
       unsigned stride_B;
       unsigned size_B;
    } crc;
-
-   unsigned size_B;
 };
 
 struct pan_image_extent {
@@ -113,7 +114,7 @@ struct pan_image_layout_constraints {
     * To be noted, this offset might be adjusted to choose an optimal alignment,
     * unless the layout constraints are explicit (wsi_row_patch_B != 0).
     */
-   unsigned offset_B;
+   uint64_t offset_B;
 
    /* Row pitch in bytes. Non-zero if layout is explicit. */
    unsigned wsi_row_pitch_B;
@@ -176,7 +177,7 @@ bool pan_image_layout_init(
    const struct pan_image_layout_constraints *layout_constraints,
    struct pan_image_layout *layout);
 
-static inline unsigned
+static inline uint64_t
 pan_image_get_wsi_offset(const struct pan_image_layout *layout, unsigned level)
 {
    return layout->slices[level].offset_B;