drm/amdgpu: add new gttsize module parameter v2
This allows setting the gtt size independent of the gart size.
v2: fix copy and paste typo
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 84ff824..49dd8e0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1141,6 +1141,13 @@ static void amdgpu_check_arguments(struct amdgpu_device *adev)
}
}
+ if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) {
+ /* gtt size must be greater or equal to 32M */
+ dev_warn(adev->dev, "gtt size (%d) too small\n",
+ amdgpu_gtt_size);
+ amdgpu_gtt_size = -1;
+ }
+
amdgpu_check_vm_size(adev);
amdgpu_check_block_size(adev);