diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 1d2350ae300a228ac9b8002e0505e2b9dd1b87fa..ff55c0560703091c7d929f1ab37dbacc48f77687 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -150,7 +150,7 @@ struct amdgpu_watchdog_timer
  * Modules parameters.
  */
 extern int amdgpu_modeset;
-extern int amdgpu_vram_limit;
+extern unsigned int amdgpu_vram_limit;
 extern int amdgpu_vis_vram_limit;
 extern int amdgpu_gart_size;
 extern int amdgpu_gtt_size;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index cb5c7b7a1c098aa539020acb65944b0aef5e826f..7e57149611697b56dadd65ea4a92d2c5c33bacaa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -113,7 +113,7 @@
 #define KMS_DRIVER_MINOR	50
 #define KMS_DRIVER_PATCHLEVEL	0
 
-int amdgpu_vram_limit;
+unsigned int amdgpu_vram_limit = UINT_MAX;
 int amdgpu_vis_vram_limit;
 int amdgpu_gart_size = -1; /* auto */
 int amdgpu_gtt_size = -1; /* auto */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 7eb344717a789241ed0a14338a777037832d0891..adfc7512c61b1823fcd46b76a90f48aa0b836550 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -206,7 +206,7 @@ void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,
 
 	mc->vram_start = base;
 	mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
-	if (limit && limit < mc->real_vram_size)
+	if (limit < mc->real_vram_size)
 		mc->real_vram_size = limit;
 
 	if (vis_limit && vis_limit < mc->visible_vram_size)