From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 15 Jun 2017 18:20:09 -0400
Subject: drm/amdgpu: don't check the default value for vm size
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Git-commit: 64dab074fe5e8852b0c981564dc146f39535a81a
Patch-mainline: v4.13-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Avoids printing spurious messages like this:
[ 3.102059] amdgpu 0000:01:00.0: VM size (-1) must be a power of 2
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1073,6 +1073,10 @@ def_value:
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);