drm/amdgpu: remove set but not used variable 'adev'

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:1221:24: warning: variable adev set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:488:24: warning: variable adev set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:547:24: warning: variable adev set but not used [-Wunused-but-set-variable]

It is never used, so can removed it.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 41eb2af..caea472 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -485,15 +485,12 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict,
                                struct ttm_operation_ctx *ctx,
                                struct ttm_mem_reg *new_mem)
 {
-       struct amdgpu_device *adev;
        struct ttm_mem_reg *old_mem = &bo->mem;
        struct ttm_mem_reg tmp_mem;
        struct ttm_place placements;
        struct ttm_placement placement;
        int r;
 
-       adev = amdgpu_ttm_adev(bo->bdev);
-
        /* create space/pages for new_mem in GTT space */
        tmp_mem = *new_mem;
        tmp_mem.mm_node = NULL;
@@ -544,15 +541,12 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, bool evict,
                                struct ttm_operation_ctx *ctx,
                                struct ttm_mem_reg *new_mem)
 {
-       struct amdgpu_device *adev;
        struct ttm_mem_reg *old_mem = &bo->mem;
        struct ttm_mem_reg tmp_mem;
        struct ttm_placement placement;
        struct ttm_place placements;
        int r;
 
-       adev = amdgpu_ttm_adev(bo->bdev);
-
        /* make space in GTT for old_mem buffer */
        tmp_mem = *new_mem;
        tmp_mem.mm_node = NULL;
@@ -1233,11 +1227,8 @@ static struct ttm_backend_func amdgpu_backend_func = {
 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(bo->bdev);
-
        gtt = kzalloc(sizeof(struct amdgpu_ttm_tt), GFP_KERNEL);
        if (gtt == NULL) {
                return NULL;