diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index d0d414df29f3..519d8a32aa43 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -648,15 +648,23 @@ struct radeon_ring { * VM */ +/* maximum number of VMIDs */ #define RADEON_NUM_VM 16 +/* defines number of bits in page table versus page directory, + * a page is 4KB so we have 12 bits offset, 9 bits in the page + * table and the remaining 19 bits are in the page directory */ +#define RADEON_VM_BLOCK_SIZE 9 + +/* number of entries in page table */ +#define RADEON_VM_PTE_COUNT (1 << RADEON_VM_BLOCK_SIZE) + struct radeon_vm { struct list_head list; struct list_head va; unsigned id; unsigned last_pfn; - u64 pt_gpu_addr; - u64 *pt; + u64 pd_gpu_addr; struct radeon_sa_bo *sa_bo; struct mutex mutex; /* last fence for cs using this vm */ |