drm/amdgpu: disallow use semaphore on aldebaran

shall revisit the change later

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 37c815094adff9b9dd130ce57141793a6ee95eca..6009aee49fa697de1651096ba92d234bd1105af8 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -644,6 +644,13 @@ static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid,
 static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev,
                                       uint32_t vmhub)
 {
+       switch (adev->pdev->device) {
+       case 0x740c:
+               return false;
+       default:
+               break;
+       }
+
        return ((vmhub == AMDGPU_MMHUB_0 ||
                 vmhub == AMDGPU_MMHUB_1) &&
                (!amdgpu_sriov_vf(adev)) &&