From f0be1c63c25b658f20a8b144e1c0bc5b14aeb30c Mon Sep 17 00:00:00 2001 From: Felix Kuehling Date: Tue, 24 May 2016 17:07:01 -0400 Subject: [PATCH 1437/4131] drm/amdgpu: Remove unnecessary kmapping of HSA GTT BOs Kmapping of all HSA GTT BOs is unnecessary and limits the maximum size of GTT BOs that can be mapped to 4GB. Change-Id: I2ed8eb7a4e5e2c9403c8ca2ce0530f0179db2694 Signed-off-by: Felix Kuehling --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 6cf2ec2..a094aa4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -155,13 +155,6 @@ static int try_pin_bo(struct amdgpu_bo *bo, uint32_t domain) ret = amdgpu_bo_pin(bo, domain, NULL); if (ret != 0) goto error; - if (domain == AMDGPU_GEM_DOMAIN_GTT) { - ret = amdgpu_bo_kmap(bo, NULL); - if (ret != 0) { - pr_err("amdgpu: failed kmap GTT BO\n"); - goto error; - } - } } else { /* amdgpu_bo_pin doesn't support userptr. Therefore we * can use the bo->pin_count for our version of @@ -186,8 +179,6 @@ static int unpin_bo(struct amdgpu_bo *bo) { int ret = 0; - amdgpu_bo_kunmap(bo); - if (!amdgpu_ttm_tt_get_usermm(bo->tbo.ttm)) { ret = amdgpu_bo_unpin(bo); if (ret != 0) -- 2.7.4