I'm not 100% sure what this is all about, but it clearly won't work like this. > diff --git a/include/drm/amdgpu_drm.h b/include/drm/amdgpu_drm.h > index df250de..dcbe22c 100644 > --- a/include/drm/amdgpu_drm.h > +++ b/include/drm/amdgpu_drm.h > @@ -832,7 +832,7 @@ struct drm_amdgpu_info_device { > __u64 max_memory_clock; > /* cu information */ > __u32 cu_active_number; > - __u32 cu_ao_mask; > + __u32 cu_ao_bitmap[4][4]; > __u32 cu_bitmap[4][4]; > /** Render backend pipe mask. One render backend is CB+DB. */ > __u32 enabled_rb_pipes_mask; That is a non-backward compatible change to the kernel interface and as such forbidden. Regards, Christian. Am 20.06.2017 um 11:04 schrieb Flora Cui: > Change-Id: Ie2a812716a6802f7a5a0bc09b1a8db824c5bf2ed > Signed-off-by: Flora Cui <Flora.Cui at amd.com> > --- > amdgpu/amdgpu.h | 2 +- > amdgpu/amdgpu_gpu_info.c | 2 +- > include/drm/amdgpu_drm.h | 2 +- > 3 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h > index b6779f9..34ca5f1 100644 > --- a/amdgpu/amdgpu.h > +++ b/amdgpu/amdgpu.h > @@ -486,7 +486,7 @@ struct amdgpu_gpu_info { > uint32_t pa_sc_raster_cfg1[4]; > /* CU info */ > uint32_t cu_active_number; > - uint32_t cu_ao_mask; > + uint32_t cu_ao_bitmap[4][4]; > uint32_t cu_bitmap[4][4]; > /* video memory type info*/ > uint32_t vram_type; > diff --git a/amdgpu/amdgpu_gpu_info.c b/amdgpu/amdgpu_gpu_info.c > index 34f77be..acfd700 100644 > --- a/amdgpu/amdgpu_gpu_info.c > +++ b/amdgpu/amdgpu_gpu_info.c > @@ -229,7 +229,7 @@ drm_private int amdgpu_query_gpu_info_init(amdgpu_device_handle dev) > } > > dev->info.cu_active_number = dev->dev_info.cu_active_number; > - dev->info.cu_ao_mask = dev->dev_info.cu_ao_mask; > + memcpy(&dev->info.cu_ao_bitmap[0][0], &dev->dev_info.cu_ao_bitmap[0][0], sizeof(dev->info.cu_ao_bitmap)); > memcpy(&dev->info.cu_bitmap[0][0], &dev->dev_info.cu_bitmap[0][0], sizeof(dev->info.cu_bitmap)); > > /* TODO: info->max_quad_shader_pipes is not set */ > diff --git a/include/drm/amdgpu_drm.h b/include/drm/amdgpu_drm.h > index df250de..dcbe22c 100644 > --- a/include/drm/amdgpu_drm.h > +++ b/include/drm/amdgpu_drm.h > @@ -832,7 +832,7 @@ struct drm_amdgpu_info_device { > __u64 max_memory_clock; > /* cu information */ > __u32 cu_active_number; > - __u32 cu_ao_mask; > + __u32 cu_ao_bitmap[4][4]; > __u32 cu_bitmap[4][4]; > /** Render backend pipe mask. One render backend is CB+DB. */ > __u32 enabled_rb_pipes_mask;