From: Christian König Date: Wed, 7 Sep 2016 13:10:44 +0000 (+0200) Subject: drm/amdgpu: add AMDGPU_BO_INVALID_OFFSET X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9702d40dd3baa90e8f08b42a512fe76e2794f9bc;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/amdgpu: add AMDGPU_BO_INVALID_OFFSET An invalid offset to be used by custom VRAM/GGT manager when we don't have an offset for an BO. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index e503ca13cccb..151a7066c90e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -956,6 +956,7 @@ u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo) !amdgpu_ttm_is_bound(bo->tbo.ttm)); WARN_ON_ONCE(!ww_mutex_is_locked(&bo->tbo.resv->lock) && !bo->pin_count); + WARN_ON_ONCE(bo->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET); return bo->tbo.offset; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 3032c541ef0e..8255034d73eb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -31,6 +31,8 @@ #include #include "amdgpu.h" +#define AMDGPU_BO_INVALID_OFFSET LONG_MAX + /** * amdgpu_mem_type_to_domain - return domain corresponding to mem_type * @mem_type: ttm memory type