diff --git a/src/util/format/u_format.c b/src/util/format/u_format.c
index afcf781d294..db57f3081fd 100644
--- a/src/util/format/u_format.c
+++ b/src/util/format/u_format.c
@@ -1520,3 +1520,26 @@ util_format_get_max_channel_size(enum pipe_format format)
                8 : desc->channel[max_src_chan].size;
    }
 }
+
+static uint32_t blocksizes_64kb[5][6][3] = {
+/*   3D              2D 1 sample      2D 2 samples     2D 4 samples      2D 8 samples   2D 16 samples) */
+   { { 64, 32, 32 }, { 256, 256, 1 }, { 128, 256, 1 }, { 128, 128, 1 }, { 64, 128, 1 }, { 64, 64, 1 } }, /* 8 bits */
+   { { 32, 32, 32 }, { 256, 128, 1 }, { 128, 128, 1 }, { 128, 64,  1 }, { 64, 64,  1 }, { 64, 32, 1 } }, /* 16 bits */
+   { { 32, 32, 16 }, { 128, 128, 1 }, { 64,  128, 1 }, { 64,  64,  1 }, { 32, 64,  1 }, { 32, 32, 1 } }, /* 32 bits */
+   { { 32, 16, 16 }, { 128, 64,  1 }, { 64,  64,  1 }, { 64,  32,  1 }, { 32, 32,  1 }, { 32, 16, 1 } }, /* 64 bits */
+   { { 16, 16, 16 }, { 64,  64,  1 }, { 32,  64,  1 }, { 32,  32,  1 }, { 16, 32,  1 }, { 16, 16, 1 } }, /* 128 bits */
+};
+
+uint32_t
+util_format_get_tilesize(enum pipe_format format, uint32_t dimensions, uint32_t samples, uint32_t axis)
+{
+   if (dimensions == 1)
+      return axis == 0 ? 64 * 1024 : 1;
+
+   uint32_t kind = 0;
+   if (dimensions == 2)
+      kind = util_logbase2(samples) + 1;
+
+   uint32_t block_size_log2 = util_logbase2_ceil(util_format_get_blocksize(format));
+   return blocksizes_64kb[block_size_log2][kind][axis];
+}
diff --git a/src/util/format/u_format.h b/src/util/format/u_format.h
index c27dea8b058..126e26091f1 100644
--- a/src/util/format/u_format.h
+++ b/src/util/format/u_format.h
@@ -1809,6 +1809,8 @@ unsigned util_format_get_last_component(enum pipe_format format);
 int util_format_get_largest_non_void_channel(enum pipe_format format);
 unsigned util_format_get_max_channel_size(enum pipe_format format);
 
+uint32_t util_format_get_tilesize(enum pipe_format format, uint32_t dimensions, uint32_t samples, uint32_t axis);
+
 #ifdef __cplusplus
 } // extern "C" {
 #endif