[PATCH] drm/amdgpu: fix VM size reporting on Raven

[Deucher, Alexander]

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Christian König <ckoenig.leichtzumerken at gmail.com>
Sent: Wednesday, August 15, 2018 8:05:54 AM
To: amd-gfx at lists.freedesktop.org
Subject: [PATCH] drm/amdgpu: fix VM size reporting on Raven

Raven doesn't have an VCE block and so also no buggy VCE firmware.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 7d3d76a1a9dd..2ecb883bdd41 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -619,7 +619,8 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
                 vm_size -= AMDGPU_VA_RESERVED_SIZE;

                 /* Older VCE FW versions are buggy and can handle only 40bits */
-               if (adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
+               if (adev->vce.fw_version &&
+                   adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
                         vm_size = min(vm_size, 1ULL << 40);

                 dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
--
2.17.1

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