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drm/amdgpu: use amdgpu_bo_[create|free]_kernel for wb 

Rather than open coding it.

Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-10-21 15:30:36 -04:00
parent 9861470181
commit a76ed485c5
1 changed files with 7 additions and 30 deletions
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37
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -443,13 +443,9 @@ void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
static void amdgpu_wb_fini(struct amdgpu_device *adev)
{
if (adev->wb.wb_obj) {
if (!amdgpu_bo_reserve(adev->wb.wb_obj, false)) {
amdgpu_bo_kunmap(adev->wb.wb_obj);
amdgpu_bo_unpin(adev->wb.wb_obj);
amdgpu_bo_unreserve(adev->wb.wb_obj);
}
amdgpu_bo_unref(&adev->wb.wb_obj);
adev->wb.wb = NULL;
amdgpu_bo_free_kernel(&adev->wb.wb_obj,
&adev->wb.gpu_addr,
(void **)&adev->wb.wb);
adev->wb.wb_obj = NULL;
}
}
@ -468,33 +464,14 @@ static int amdgpu_wb_init(struct amdgpu_device *adev)
int r;
if (adev->wb.wb_obj == NULL) {
r = amdgpu_bo_create(adev, AMDGPU_MAX_WB * 4, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
&adev->wb.wb_obj);
r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * 4,
PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
&adev->wb.wb_obj, &adev->wb.gpu_addr,
(void **)&adev->wb.wb);
if (r) {
dev_warn(adev->dev, "(%d) create WB bo failed\n", r);
return r;
}
r = amdgpu_bo_reserve(adev->wb.wb_obj, false);
if (unlikely(r != 0)) {
amdgpu_wb_fini(adev);
return r;
}
r = amdgpu_bo_pin(adev->wb.wb_obj, AMDGPU_GEM_DOMAIN_GTT,
&adev->wb.gpu_addr);
if (r) {
amdgpu_bo_unreserve(adev->wb.wb_obj);
dev_warn(adev->dev, "(%d) pin WB bo failed\n", r);
amdgpu_wb_fini(adev);
return r;
}
r = amdgpu_bo_kmap(adev->wb.wb_obj, (void **)&adev->wb.wb);
amdgpu_bo_unreserve(adev->wb.wb_obj);
if (r) {
dev_warn(adev->dev, "(%d) map WB bo failed\n", r);
amdgpu_wb_fini(adev);
return r;
}
adev->wb.num_wb = AMDGPU_MAX_WB;
memset(&adev->wb.used, 0, sizeof(adev->wb.used));