Reviewed-by: Christian König <christian.koenig at amd.com>.
Am 22.10.2016 um 10:20 schrieb Edward O'Callaghan:
> Acked-by: Edward O'Callaghan <funfunctor at folklore1984.net>
>
> On 10/22/2016 06:31 AM, Alex Deucher wrote:
>> Rather than open coding it.
>>
>> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
>> ---
>> drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 37 ++++++------------------------
>> 1 file changed, 7 insertions(+), 30 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index b7b6542..314295f 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -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));
>>
>
>
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