From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Mon, 23 Nov 2020 21:23:36 +0000 (+0800)
Subject: drm/amdgpu: disallow use semaphore on aldebaran
X-Git-Tag: v5.13-rc1~123^2~12^2~203
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d477c5aaece1ea187907005e2f2b4b118f486c2a;p=thirdparty%2Flinux.git

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 37c815094adff..6009aee49fa69 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)) &&