diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index f126a5ae41b3..46d7a690a287 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1411,7 +1411,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) adev->gmc.visible_vram_size = vis_vram_limit; /* Change the size here instead of the init above so only lpfn is affected */ - amdgpu_ttm_set_active_vram_size(adev, adev->gmc.visible_vram_size); + amdgpu_ttm_set_buffer_funcs_status(adev, false); #ifdef CONFIG_64BIT adev->mman.aper_base_kaddr = ioremap_wc(adev->gmc.aper_base, adev->gmc.visible_vram_size); @@ -1526,17 +1526,28 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev) DRM_INFO("amdgpu: ttm finalized\n"); } -/* this should only be called at bootup or when userspace - * isn't running */ -void amdgpu_ttm_set_active_vram_size(struct amdgpu_device *adev, u64 size) +/** + * amdgpu_ttm_set_buffer_funcs_status - enable/disable use of buffer functions + * + * @adev: amdgpu_device pointer + * @enable: true when we can use buffer functions. + * + * Enable/disable use of buffer functions during suspend/resume. This should + * only be called at bootup or when userspace isn't running. + */ +void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) { - struct ttm_mem_type_manager *man; + struct ttm_mem_type_manager *man = &adev->mman.bdev.man[TTM_PL_VRAM]; + uint64_t size; if (!adev->mman.initialized) return; - man = &adev->mman.bdev.man[TTM_PL_VRAM]; /* this just adjusts TTM size idea, which sets lpfn to the correct value */ + if (enable) + size = adev->gmc.real_vram_size; + else + size = adev->gmc.visible_vram_size; man->size = size >> PAGE_SHIFT; } |