diff --git a/docs/envvars.rst b/docs/envvars.rst
index d4e6f6b235b..f032c1ba2c7 100644
--- a/docs/envvars.rst
+++ b/docs/envvars.rst
@@ -1663,7 +1663,7 @@ RadeonSI driver environment variables
    ``nongg``
       Disable NGG and use the legacy pipeline.
    ``nggc``
-      Always use NGG culling even when it can hurt.
+      Always use NGG culling even on GPUs where it is disabled by default.
    ``nonggc``
       Disable NGG culling.
    ``switch_on_eop``
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index 16ef6fea85d..19c03191a68 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -669,6 +669,8 @@ radv_consider_culling(const struct radv_physical_device *pdev, struct nir_shader
 
    if (pdev->info.gfx_level >= GFX10_3 && pdev->info.has_dedicated_vram)
       max_ps_params = 12; /* GFX10.3 and newer discrete GPUs. */
+   else if (pdev->info.gfx_level == GFX10 && pdev->info.has_dedicated_vram)
+      max_ps_params = 12;
 
    /* TODO: consider other heuristics here, such as PS execution time */
    if (util_bitcount64(ps_inputs_read) > max_ps_params)