diff --git a/third_party/libopenjpeg/j2k.c b/third_party/libopenjpeg/j2k.c
index 889c2cfc8..711dd73e8 100644
--- a/third_party/libopenjpeg/j2k.c
+++ b/third_party/libopenjpeg/j2k.c
@@ -2299,10 +2299,8 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
     }
 
     /* Compute the number of tiles */
-    l_cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->x1 - l_cp->tx0),
-                                           (OPJ_INT32)l_cp->tdx);
-    l_cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->y1 - l_cp->ty0),
-                                           (OPJ_INT32)l_cp->tdy);
+    l_cp->tw = opj_uint_ceildiv(l_image->x1 - l_cp->tx0, l_cp->tdx);
+    l_cp->th = opj_uint_ceildiv(l_image->y1 - l_cp->ty0, l_cp->tdy);
 
     /* Check that the number of tiles is valid */
     if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
@@ -2319,12 +2317,10 @@ static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
             (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
         p_j2k->m_specific_param.m_decoder.m_start_tile_y =
             (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
-        p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv((
-                    OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0),
-                (OPJ_INT32)l_cp->tdx);
-        p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv((
-                    OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0),
-                (OPJ_INT32)l_cp->tdy);
+        p_j2k->m_specific_param.m_decoder.m_end_tile_x = opj_uint_ceildiv(
+            p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0, l_cp->tdx);
+        p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv(
+            p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0, l_cp->tdy);
     } else {
         p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
         p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
@@ -10035,10 +10029,8 @@ static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
             return OPJ_FALSE;
         }
 
-        l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
-                         (OPJ_INT32)l_img_comp->dx);
-        l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0,
-                         (OPJ_INT32)l_img_comp->dy);
+        l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
+        l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
         l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
         l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
 
@@ -11950,10 +11942,8 @@ OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
 
         l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
 
-        l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
-                         (OPJ_INT32)l_img_comp->dx);
-        l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0,
-                         (OPJ_INT32)l_img_comp->dy);
+        l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
+        l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
         l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
         l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
 
@@ -12304,10 +12294,8 @@ static void opj_get_tile_dimensions(opj_image_t * l_image,
 
     *l_width  = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
     *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
-    *l_offset_x = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x0,
-                  (OPJ_INT32)l_img_comp->dx);
-    *l_offset_y = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->y0,
-                  (OPJ_INT32)l_img_comp->dy);
+    *l_offset_x = opj_uint_ceildiv(l_image->x0, l_img_comp->dx);
+    *l_offset_y = opj_uint_ceildiv(l_image->y0, l_img_comp->dy);
     *l_image_width = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x1 -
                      (OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx);
     *l_stride = *l_image_width - *l_width;