commit dde5da2379319c08ceb2295467df6e60a3cf5da1
author Christian König <christian.koenig@amd.com> Thu Feb 22 10:18:14 2018 +0100
committer Alex Deucher <alexander.deucher@amd.com> Wed Mar 14 14:38:27 2018 -0500
tree d585dfd0257b7b62182e0eec09b6ea49f0135d99
parent 5d95109815493e273a2ef9010df0939aa3cfe10f

drm/ttm: add bo as parameter to the ttm_tt_create callback

Instead of calculating the size in bytes just to recalculate the number
of pages from it pass the BO directly to the function.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 7187457..72e5334 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -982,20 +982,20 @@ static struct ttm_backend_func amdgpu_backend_func = {
 	.destroy = &amdgpu_ttm_backend_destroy,
 };
 
-static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_bo_device *bdev,
-				    unsigned long size, uint32_t page_flags)
+static struct ttm_tt *amdgpu_ttm_tt_create(struct ttm_buffer_object *bo,
+					   uint32_t page_flags)
 {
 	struct amdgpu_device *adev;
 	struct amdgpu_ttm_tt *gtt;
 
-	adev = amdgpu_ttm_adev(bdev);
+	adev = amdgpu_ttm_adev(bo->bdev);
 
 	gtt = kzalloc(sizeof(struct amdgpu_ttm_tt), GFP_KERNEL);
 	if (gtt == NULL) {
 		return NULL;
 	}
 	gtt->ttm.ttm.func = &amdgpu_backend_func;
-	if (ttm_sg_tt_init(&gtt->ttm, bdev, size, page_flags)) {
+	if (ttm_sg_tt_init(&gtt->ttm, bo, page_flags)) {
 		kfree(gtt);
 		return NULL;
 	}