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path: root/drivers/gpu/drm/qxl/qxl_drv.h
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Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_drv.h')
-rw-r--r--drivers/gpu/drm/qxl/qxl_drv.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index 3ebe66abf259..27e0a3fc08e6 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -136,6 +136,7 @@ struct qxl_memslot {
uint64_t start_phys_addr;
uint64_t size;
uint64_t high_bits;
+ uint64_t gpu_offset;
};
enum {
@@ -312,8 +313,10 @@ qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo,
(bo->tbo.mem.mem_type == TTM_PL_VRAM)
? &qdev->main_slot : &qdev->surfaces_slot;
+ WARN_ON_ONCE((bo->tbo.offset & slot->gpu_offset) != slot->gpu_offset);
+
/* TODO - need to hold one of the locks to read tbo.offset */
- return slot->high_bits | (bo->tbo.offset + offset);
+ return slot->high_bits | (bo->tbo.offset - slot->gpu_offset + offset);
}
/* qxl_fb.c */