diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 9b07b7d44a5..8697abd7b17 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1153,24 +1153,32 @@ out_unlock: return ret; } -static int ttm_bo_mem_compat(struct ttm_placement *placement, - struct ttm_mem_reg *mem) +static bool ttm_bo_mem_compat(struct ttm_placement *placement, + struct ttm_mem_reg *mem, + uint32_t *new_flags) { int i; if (mem->mm_node && placement->lpfn != 0 && (mem->start < placement->fpfn || mem->start + mem->num_pages > placement->lpfn)) - return -1; + return false; for (i = 0; i < placement->num_placement; i++) { - if ((placement->placement[i] & mem->placement & - TTM_PL_MASK_CACHING) && - (placement->placement[i] & mem->placement & - TTM_PL_MASK_MEM)) - return i; + *new_flags = placement->placement[i]; + if ((*new_flags & mem->placement & TTM_PL_MASK_CACHING) && + (*new_flags & mem->placement & TTM_PL_MASK_MEM)) + return true; + } + + for (i = 0; i < placement->num_busy_placement; i++) { + *new_flags = placement->busy_placement[i]; + if ((*new_flags & mem->placement & TTM_PL_MASK_CACHING) && + (*new_flags & mem->placement & TTM_PL_MASK_MEM)) + return true; } - return -1; + + return false; } int ttm_bo_validate(struct ttm_buffer_object *bo, @@ -1179,6 +1187,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo, bool no_wait_gpu) { int ret; + uint32_t new_flags; BUG_ON(!ttm_bo_is_reserved(bo)); /* Check that range is valid */ @@ -1189,8 +1198,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo, /* * Check whether we need to move buffer. */ - ret = ttm_bo_mem_compat(placement, &bo->mem); - if (ret < 0) { + if (!ttm_bo_mem_compat(placement, &bo->mem, &new_flags)) { ret = ttm_bo_move_buffer(bo, placement, interruptible, no_wait_gpu); if (ret) @@ -1200,7 +1208,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo, * Use the access and other non-mapping-related flag bits from * the compatible memory placement flags to the active flags */ - ttm_flag_masked(&bo->mem.placement, placement->placement[ret], + ttm_flag_masked(&bo->mem.placement, new_flags, ~TTM_PL_MASK_MEMTYPE); } /* |