diff --git a/.pick_status.json b/.pick_status.json
index f82e8391900..c6f37bad8df 100644
--- a/.pick_status.json
+++ b/.pick_status.json
@@ -2284,7 +2284,7 @@
         "description": "mesa: skip redundant uniform update optimisation if unsafe",
         "nominated": true,
         "nomination_type": 2,
-        "resolution": 0,
+        "resolution": 1,
         "main_sha": null,
         "because_sha": "b32e20e6301f2c1bfb25a939bddfeaa41d43c8c9",
         "notes": null
diff --git a/src/mesa/main/shader_types.h b/src/mesa/main/shader_types.h
index 0e27dc7dac0..ec6863c66bd 100644
--- a/src/mesa/main/shader_types.h
+++ b/src/mesa/main/shader_types.h
@@ -778,6 +778,9 @@ struct gl_opaque_uniform_index {
 struct gl_uniform_storage {
    struct gl_resource_name name;
 
+   /* The context that first set any uniform values */
+   struct gl_context *first_set_by;
+
    /** Type of this uniform data stored.
     *
     * In the case of an array, it's the type of a single array element.
@@ -864,6 +867,11 @@ struct gl_uniform_storage {
     */
    bool is_shader_storage;
 
+   /* Set to true if the uniform storage has been updated by more than one
+    * context.
+    */
+   bool unknown_src_ctx;
+
    /**
     * Index within gl_shader_program::AtomicBuffers[] of the atomic
     * counter buffer this uniform is stored in, or -1 if this is not
diff --git a/src/mesa/main/uniform_query.cpp b/src/mesa/main/uniform_query.cpp
index 296d023c9d1..b23e28140dc 100644
--- a/src/mesa/main/uniform_query.cpp
+++ b/src/mesa/main/uniform_query.cpp
@@ -1257,7 +1257,7 @@ validate_uniform(GLint location, GLsizei count, const GLvoid *values,
 
 void
 _mesa_flush_vertices_for_uniforms(struct gl_context *ctx,
-                                  const struct gl_uniform_storage *uni)
+                                  struct gl_uniform_storage *uni)
 {
    /* Opaque uniforms have no storage unless they are bindless */
    if (!uni->is_bindless && glsl_contains_opaque(uni->type)) {
@@ -1279,6 +1279,16 @@ _mesa_flush_vertices_for_uniforms(struct gl_context *ctx,
 
    FLUSH_VERTICES(ctx, new_driver_state ? 0 : _NEW_PROGRAM_CONSTANTS, 0);
    ctx->NewDriverState |= new_driver_state;
+
+   /* If we are updating the uniform from multiple contexts we cant be sure
+    * if a context needs to be flushed so set the unknown_src_ctx flag which
+    * will cause the "redundant uniform update" optimisation to be skipped.
+    */
+   if (uni->first_set_by) {
+      if (uni->first_set_by != ctx)
+         uni->unknown_src_ctx = true;
+   } else
+      uni->first_set_by = ctx;
 }
 
 static bool
@@ -1294,6 +1304,11 @@ copy_uniforms_to_storage(gl_constant_value *storage,
                          (glsl_type_is_sampler(uni->type) || glsl_type_is_image(uni->type));
    bool copy_to_float16 = uni->type->base_type == GLSL_TYPE_FLOAT16;
 
+   if (flush && uni->unknown_src_ctx) {
+      _mesa_flush_vertices_for_uniforms(ctx, uni);
+      flush = false;
+   }
+
    if (!glsl_type_is_boolean(uni->type) && !copy_as_uint64 && !copy_to_float16) {
       unsigned size = sizeof(storage[0]) * components * count * size_mul;
 
@@ -1634,6 +1649,11 @@ copy_uniform_matrix_to_storage(struct gl_context *ctx,
    const unsigned elements = components * vectors;
    const unsigned size = sizeof(storage[0]) * elements * count * size_mul;
 
+   if (flush && uni->unknown_src_ctx) {
+      _mesa_flush_vertices_for_uniforms(ctx, uni);
+      flush = false;
+   }
+
    if (uni->type->base_type == GLSL_TYPE_FLOAT16) {
       assert(ctx->Const.PackedDriverUniformStorage);
       const unsigned dst_components = align(components, 2);
@@ -2087,7 +2107,7 @@ _mesa_uniform_handle(GLint location, GLsizei count, const GLvoid *values,
             uni->driver_storage[s].data + (size_mul * offset * components);
          unsigned size = sizeof(uni->storage[0]) * components * count * size_mul;
 
-         if (!memcmp(storage, values, size))
+         if (!uni->unknown_src_ctx && !memcmp(storage, values, size))
             continue;
 
          if (!flushed) {
@@ -2102,7 +2122,7 @@ _mesa_uniform_handle(GLint location, GLsizei count, const GLvoid *values,
       void *storage = &uni->storage[size_mul * components * offset];
       unsigned size = sizeof(uni->storage[0]) * components * count * size_mul;
 
-      if (!memcmp(storage, values, size))
+      if (!uni->unknown_src_ctx && !memcmp(storage, values, size))
          return;
 
       _mesa_flush_vertices_for_uniforms(ctx, uni);
diff --git a/src/mesa/main/uniforms.h b/src/mesa/main/uniforms.h
index 7d8e7601ca1..a4036a3924e 100644
--- a/src/mesa/main/uniforms.h
+++ b/src/mesa/main/uniforms.h
@@ -91,7 +91,7 @@ _mesa_sampler_uniforms_pipeline_are_valid(struct gl_pipeline_object *);
 
 extern void
 _mesa_flush_vertices_for_uniforms(struct gl_context *ctx,
-                                  const struct gl_uniform_storage *uni);
+                                  struct gl_uniform_storage *uni);
 
 extern GLint
 _mesa_GetUniformLocation_impl(GLuint programObj, const GLcharARB *name,