[PATCH] drm/amdgpu: Disable ACA on VFs

[Victor Skvortsov]

VFs query RAS error counts directly from host with
AMDGPU_RAS_VIRT_ERROR_COUNT_QUERY. When ACA is enabled,
an unusable aca_sysfs is created rather than amdgpu_ras_sysfs_create()

Likewise, VFs depend on host support to query CPERs, rather than ACA component.

Signed-off-by: Victor Skvortsov <victor.skvortsov at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c |  4 ++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c  | 10 ++++++----
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
index 360e07a5c7c1..5a234eadae8b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
@@ -549,7 +549,7 @@ int amdgpu_cper_init(struct amdgpu_device *adev)
 {
 	int r;
 
-	if (!amdgpu_aca_is_enabled(adev))
+	if (!amdgpu_aca_is_enabled(adev) && !amdgpu_sriov_ras_cper_en(adev))
 		return 0;
 
 	r = amdgpu_cper_ring_init(adev);
@@ -568,7 +568,7 @@ int amdgpu_cper_init(struct amdgpu_device *adev)
 
 int amdgpu_cper_fini(struct amdgpu_device *adev)
 {
-	if (!amdgpu_aca_is_enabled(adev))
+	if (!amdgpu_aca_is_enabled(adev) && !amdgpu_sriov_ras_cper_en(adev))
 		return 0;
 
 	adev->cper.enabled = false;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index ebf1f63d0442..5bb7673fd28e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -3794,10 +3794,12 @@ static void amdgpu_ras_check_supported(struct amdgpu_device *adev)
 		adev->ras_hw_enabled & amdgpu_ras_mask;
 
 	/* aca is disabled by default except for psp v13_0_6/v13_0_12/v13_0_14 */
-	adev->aca.is_enabled =
-		(amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 6) ||
-		 amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 12) ||
-		 amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 14));
+	if (!amdgpu_sriov_vf(adev)) {
+		adev->aca.is_enabled =
+			(amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 6) ||
+			amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 12) ||
+			amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 14));
+	}
 
 	/* bad page feature is not applicable to specific app platform */
 	if (adev->gmc.is_app_apu &&
-- 
2.34.1