Commit 9702d40d authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

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: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent aa29040b

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/gpu/drm/amd/amdgpu/amdgpu_object.h

+2 −0
Original line number Diff line number Diff line
@@ -31,6 +31,8 @@ 
#include <drm/amdgpu_drm.h>

#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

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