From: Le Ma <le.ma@amd.com>
Date: Tue, 20 Jul 2021 09:16:46 +0000 (+0800)
Subject: drm/amdgpu: skip ih2 rb allocation for IH 4.4.2
X-Git-Tag: v6.4-rc1~162^2~23^2~126
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4c93c62e77467fd5e9a9fcfd708a50b23a9951e3;p=thirdparty%2Flinux.git

drm/amdgpu: skip ih2 rb allocation for IH 4.4.2

No ih2 hardware on IH 4.4.2.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
index 44bfa233487a0..827e2768f8674 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega20_ih.c
@@ -552,12 +552,14 @@ static int vega20_ih_sw_init(void *handle)
 	adev->irq.ih1.use_doorbell = true;
 	adev->irq.ih1.doorbell_index = (adev->doorbell_index.ih + 1) << 1;
 
-	r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true);
-	if (r)
-		return r;
+	if (adev->ip_versions[OSSSYS_HWIP][0] != IP_VERSION(4, 4, 2)) {
+		r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true);
+		if (r)
+			return r;
 
-	adev->irq.ih2.use_doorbell = true;
-	adev->irq.ih2.doorbell_index = (adev->doorbell_index.ih + 2) << 1;
+		adev->irq.ih2.use_doorbell = true;
+		adev->irq.ih2.doorbell_index = (adev->doorbell_index.ih + 2) << 1;
+	}
 
 	/* initialize ih control registers offset */
 	vega20_ih_init_register_offset(adev);