[PATCH 084/159] drm/amdgpu: disallow use semaphore on aldebaran

[Alex Deucher]

From: Hawking Zhang <Hawking.Zhang at amd.com>

shall revisit the change later

Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 37c815094adf..6009aee49fa6 100644
--- 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)) &&
-- 
2.29.2