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From 6f4f75e5e240c3eebdaaa6e00b2e228f7d782673 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 3 Feb 2016 22:39:01 +0100
Subject: [PATCH 0265/1110] drm/amdgpu: fix size estimation for clear IB
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
We only need a few dw here.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 83bc8b1..6512386 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -362,15 +362,15 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
if (!ib)
goto error;
- r = amdgpu_ib_get(ring, NULL, entries * 2 + 64, ib);
+ r = amdgpu_ib_get(ring, NULL, 64, ib);
if (r)
goto error_free;
ib->length_dw = 0;
amdgpu_vm_update_pages(adev, NULL, 0, ib, addr, 0, entries, 0, 0);
-
amdgpu_vm_pad_ib(adev, ib);
+
WARN_ON(ib->length_dw > 64);
r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1,
&amdgpu_vm_free_job,
--
2.7.4
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