drm/amdgpu: drop the CPU pointers for the stolen vga bos

We never use them.

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.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 ec97525..3df9d5a 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1915,7 +1915,6 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
        uint64_t gtt_size;
        int r;
        u64 vis_vram_limit;
-       void *stolen_vga_buf, *stolen_extended_buf;
 
        mutex_init(&adev->mman.gtt_window_lock);
 
@@ -1982,14 +1981,14 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
        r = amdgpu_bo_create_kernel_at(adev, 0, adev->gmc.stolen_vga_size,
                                       AMDGPU_GEM_DOMAIN_VRAM,
                                       &adev->gmc.stolen_vga_memory,
-                                      &stolen_vga_buf);
+                                      NULL);
        if (r)
                return r;
        r = amdgpu_bo_create_kernel_at(adev, adev->gmc.stolen_vga_size,
                                       adev->gmc.stolen_extended_size,
                                       AMDGPU_GEM_DOMAIN_VRAM,
                                       &adev->gmc.stolen_extended_memory,
-                                      &stolen_extended_buf);
+                                      NULL);
        if (r)
                return r;
 
@@ -2048,13 +2047,10 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
  */
 void amdgpu_ttm_late_init(struct amdgpu_device *adev)
 {
-       void *stolen_vga_buf, *stolen_extended_buf;
-
        /* return the VGA stolen memory (if any) back to VRAM */
        if (!adev->gmc.keep_stolen_vga_memory)
-               amdgpu_bo_free_kernel(&adev->gmc.stolen_vga_memory, NULL, &stolen_vga_buf);
-       amdgpu_bo_free_kernel(&adev->gmc.stolen_extended_memory, NULL,
-                             &stolen_extended_buf);
+               amdgpu_bo_free_kernel(&adev->gmc.stolen_vga_memory, NULL, NULL);
+       amdgpu_bo_free_kernel(&adev->gmc.stolen_extended_memory, NULL, NULL);
 }
 
 /**
@@ -2062,15 +2058,13 @@ void amdgpu_ttm_late_init(struct amdgpu_device *adev)
  */
 void amdgpu_ttm_fini(struct amdgpu_device *adev)
 {
-       void *stolen_vga_buf;
-
        if (!adev->mman.initialized)
                return;
 
        amdgpu_ttm_training_reserve_vram_fini(adev);
        /* return the stolen vga memory back to VRAM */
        if (adev->gmc.keep_stolen_vga_memory)
-               amdgpu_bo_free_kernel(&adev->gmc.stolen_vga_memory, NULL, &stolen_vga_buf);
+               amdgpu_bo_free_kernel(&adev->gmc.stolen_vga_memory, NULL, NULL);
        /* return the IP Discovery TMR memory back to VRAM */
        amdgpu_bo_free_kernel(&adev->discovery_memory, NULL, NULL);
        amdgpu_ttm_fw_reserve_vram_fini(adev);