Avoids printing spurious messages like this:
[ 3.102059] amdgpu 0000:01:00.0: VM size (-1) must be a power of 2
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 50001bf..ff90f78 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1074,6 +1074,10 @@ static void amdgpu_check_block_size(struct amdgpu_device
*adev)
static void amdgpu_check_vm_size(struct amdgpu_device *adev)
{
+ /* no need to check the default value */
+ if (amdgpu_vm_size == -1)
+ return;
+
if (!amdgpu_check_pot_argument(amdgpu_vm_size)) {
dev_warn(adev->dev, "VM size (%d) must be a power of 2\n",
amdgpu_vm_size);
--
2.5.5
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