1 files changed, 63 insertions, 64 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 2430d6223c2d..a71688d1c1b1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -436,82 +436,35 @@ void amdgpu_gmc_filter_faults_remove(struct amdgpu_device *adev, uint64_t addr,
 	} while (fault->timestamp < tmp);
 }
 
-int amdgpu_gmc_ras_late_init(struct amdgpu_device *adev)
+int amdgpu_gmc_ras_early_init(struct amdgpu_device *adev)
 {
-	int r;
-
-	if (adev->umc.ras_funcs &&
-	    adev->umc.ras_funcs->ras_late_init) {
-		r = adev->umc.ras_funcs->ras_late_init(adev);
-		if (r)
-			return r;
-	}
-
-	if (adev->mmhub.ras_funcs &&
-	    adev->mmhub.ras_funcs->ras_late_init) {
-		r = adev->mmhub.ras_funcs->ras_late_init(adev);
-		if (r)
-			return r;
-	}
-
-	if (!adev->gmc.xgmi.connected_to_cpu)
-		adev->gmc.xgmi.ras_funcs = &xgmi_ras_funcs;
-
-	if (adev->gmc.xgmi.ras_funcs &&
-	    adev->gmc.xgmi.ras_funcs->ras_late_init) {
-		r = adev->gmc.xgmi.ras_funcs->ras_late_init(adev);
-		if (r)
-			return r;
-	}
-
-	if (adev->hdp.ras_funcs &&
-	    adev->hdp.ras_funcs->ras_late_init) {
-		r = adev->hdp.ras_funcs->ras_late_init(adev);
-		if (r)
-			return r;
-	}
-
-	if (adev->mca.mp0.ras_funcs &&
-	    adev->mca.mp0.ras_funcs->ras_late_init) {
-		r = adev->mca.mp0.ras_funcs->ras_late_init(adev);
-		if (r)
-			return r;
-	}
-
-	if (adev->mca.mp1.ras_funcs &&
-	    adev->mca.mp1.ras_funcs->ras_late_init) {
-		r = adev->mca.mp1.ras_funcs->ras_late_init(adev);
-		if (r)
-			return r;
+	if (!adev->gmc.xgmi.connected_to_cpu) {
+		adev->gmc.xgmi.ras = &xgmi_ras;
+		amdgpu_ras_register_ras_block(adev, &adev->gmc.xgmi.ras->ras_block);
+		adev->gmc.xgmi.ras_if = &adev->gmc.xgmi.ras->ras_block.ras_comm;
 	}
 
-	if (adev->mca.mpio.ras_funcs &&
-	    adev->mca.mpio.ras_funcs->ras_late_init) {
-		r = adev->mca.mpio.ras_funcs->ras_late_init(adev);
-		if (r)
-			return r;
-	}
+	return 0;
+}
 
+int amdgpu_gmc_ras_late_init(struct amdgpu_device *adev)
+{
 	return 0;
 }
 
 void amdgpu_gmc_ras_fini(struct amdgpu_device *adev)
 {
-	if (adev->umc.ras_funcs &&
-	    adev->umc.ras_funcs->ras_fini)
-		adev->umc.ras_funcs->ras_fini(adev);
+	if (adev->umc.ras && adev->umc.ras->ras_block.ras_fini)
+		adev->umc.ras->ras_block.ras_fini(adev);
 
-	if (adev->mmhub.ras_funcs &&
-	    adev->mmhub.ras_funcs->ras_fini)
-		adev->mmhub.ras_funcs->ras_fini(adev);
+	if (adev->mmhub.ras && adev->mmhub.ras->ras_block.ras_fini)
+		adev->mmhub.ras->ras_block.ras_fini(adev);
 
-	if (adev->gmc.xgmi.ras_funcs &&
-	    adev->gmc.xgmi.ras_funcs->ras_fini)
-		adev->gmc.xgmi.ras_funcs->ras_fini(adev);
+	if (adev->gmc.xgmi.ras && adev->gmc.xgmi.ras->ras_block.ras_fini)
+		adev->gmc.xgmi.ras->ras_block.ras_fini(adev);
 
-	if (adev->hdp.ras_funcs &&
-	    adev->hdp.ras_funcs->ras_fini)
-		adev->hdp.ras_funcs->ras_fini(adev);
+	if (adev->hdp.ras && adev->hdp.ras->ras_block.ras_fini)
+		adev->hdp.ras->ras_block.ras_fini(adev);
 }
 
 	/*
@@ -831,3 +784,49 @@ void amdgpu_gmc_get_reserved_allocation(struct amdgpu_device *adev)
 		break;
 	}
 }
+
+int amdgpu_gmc_vram_checking(struct amdgpu_device *adev)
+{
+	struct amdgpu_bo *vram_bo = NULL;
+	uint64_t vram_gpu = 0;
+	void *vram_ptr = NULL;
+
+	int ret, size = 0x100000;
+	uint8_t cptr[10];
+
+	ret = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE,
+				AMDGPU_GEM_DOMAIN_VRAM,
+				&vram_bo,
+				&vram_gpu,
+				&vram_ptr);
+	if (ret)
+		return ret;
+
+	memset(vram_ptr, 0x86, size);
+	memset(cptr, 0x86, 10);
+
+	/**
+	 * Check the start, the mid, and the end of the memory if the content of
+	 * each byte is the pattern "0x86". If yes, we suppose the vram bo is
+	 * workable.
+	 *
+	 * Note: If check the each byte of whole 1M bo, it will cost too many
+	 * seconds, so here, we just pick up three parts for emulation.
+	 */
+	ret = memcmp(vram_ptr, cptr, 10);
+	if (ret)
+		return ret;
+
+	ret = memcmp(vram_ptr + (size / 2), cptr, 10);
+	if (ret)
+		return ret;
+
+	ret = memcmp(vram_ptr + size - 10, cptr, 10);
+	if (ret)
+		return ret;
+
+	amdgpu_bo_free_kernel(&vram_bo, &vram_gpu,
+			&vram_ptr);
+
+	return 0;
+}