diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c | 102 |
1 files changed, 95 insertions, 7 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c index 92ae4c5894c5..e4f5b926b67e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c @@ -51,6 +51,9 @@ static uint32_t gmr_ne_placement_flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT; +static uint32_t mob_placement_flags = VMW_PL_FLAG_MOB | + TTM_PL_FLAG_CACHED; + struct ttm_placement vmw_vram_placement = { .fpfn = 0, .lpfn = 0, @@ -132,13 +135,14 @@ struct ttm_placement vmw_sys_ne_placement = { static uint32_t evictable_placement_flags[] = { TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED, - VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED + VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED, + VMW_PL_FLAG_MOB | TTM_PL_FLAG_CACHED }; struct ttm_placement vmw_evictable_placement = { .fpfn = 0, .lpfn = 0, - .num_placement = 3, + .num_placement = 4, .placement = evictable_placement_flags, .num_busy_placement = 1, .busy_placement = &sys_placement_flags @@ -153,10 +157,21 @@ struct ttm_placement vmw_srf_placement = { .busy_placement = gmr_vram_placement_flags }; +struct ttm_placement vmw_mob_placement = { + .fpfn = 0, + .lpfn = 0, + .num_placement = 1, + .num_busy_placement = 1, + .placement = &mob_placement_flags, + .busy_placement = &mob_placement_flags +}; + struct vmw_ttm_tt { struct ttm_dma_tt dma_ttm; struct vmw_private *dev_priv; int gmr_id; + struct vmw_mob *mob; + int mem_type; struct sg_table sgt; struct vmw_sg_table vsgt; uint64_t sg_alloc_size; @@ -448,9 +463,27 @@ static int vmw_ttm_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem) return ret; vmw_be->gmr_id = bo_mem->start; + vmw_be->mem_type = bo_mem->mem_type; - return vmw_gmr_bind(vmw_be->dev_priv, &vmw_be->vsgt, - ttm->num_pages, vmw_be->gmr_id); + switch (bo_mem->mem_type) { + case VMW_PL_GMR: + return vmw_gmr_bind(vmw_be->dev_priv, &vmw_be->vsgt, + ttm->num_pages, vmw_be->gmr_id); + case VMW_PL_MOB: + if (unlikely(vmw_be->mob == NULL)) { + vmw_be->mob = + vmw_mob_create(ttm->num_pages); + if (unlikely(vmw_be->mob == NULL)) + return -ENOMEM; + } + + return vmw_mob_bind(vmw_be->dev_priv, vmw_be->mob, + ttm->pages, ttm->num_pages, + vmw_be->gmr_id); + default: + BUG(); + } + return 0; } static int vmw_ttm_unbind(struct ttm_tt *ttm) @@ -458,7 +491,16 @@ static int vmw_ttm_unbind(struct ttm_tt *ttm) struct vmw_ttm_tt *vmw_be = container_of(ttm, struct vmw_ttm_tt, dma_ttm.ttm); - vmw_gmr_unbind(vmw_be->dev_priv, vmw_be->gmr_id); + switch (vmw_be->mem_type) { + case VMW_PL_GMR: + vmw_gmr_unbind(vmw_be->dev_priv, vmw_be->gmr_id); + break; + case VMW_PL_MOB: + vmw_mob_unbind(vmw_be->dev_priv, vmw_be->mob); + break; + default: + BUG(); + } if (vmw_be->dev_priv->map_mode == vmw_dma_map_bind) vmw_ttm_unmap_dma(vmw_be); @@ -466,6 +508,7 @@ static int vmw_ttm_unbind(struct ttm_tt *ttm) return 0; } + static void vmw_ttm_destroy(struct ttm_tt *ttm) { struct vmw_ttm_tt *vmw_be = @@ -476,6 +519,10 @@ static void vmw_ttm_destroy(struct ttm_tt *ttm) ttm_dma_tt_fini(&vmw_be->dma_ttm); else ttm_tt_fini(ttm); + + if (vmw_be->mob) + vmw_mob_destroy(vmw_be->mob); + kfree(vmw_be); } @@ -513,6 +560,12 @@ static void vmw_ttm_unpopulate(struct ttm_tt *ttm) struct vmw_private *dev_priv = vmw_tt->dev_priv; struct ttm_mem_global *glob = vmw_mem_glob(dev_priv); + + if (vmw_tt->mob) { + vmw_mob_destroy(vmw_tt->mob); + vmw_tt->mob = NULL; + } + vmw_ttm_unmap_dma(vmw_tt); if (dev_priv->map_mode == vmw_dma_alloc_coherent) { size_t size = @@ -543,6 +596,7 @@ static struct ttm_tt *vmw_ttm_tt_create(struct ttm_bo_device *bdev, vmw_be->dma_ttm.ttm.func = &vmw_ttm_func; vmw_be->dev_priv = container_of(bdev, struct vmw_private, bdev); + vmw_be->mob = NULL; if (vmw_be->dev_priv->map_mode == vmw_dma_alloc_coherent) ret = ttm_dma_tt_init(&vmw_be->dma_ttm, bdev, size, page_flags, @@ -584,6 +638,7 @@ static int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, man->default_caching = TTM_PL_FLAG_CACHED; break; case VMW_PL_GMR: + case VMW_PL_MOB: /* * "Guest Memory Regions" is an aperture like feature with * one slot per bo. There is an upper limit of the number of @@ -631,6 +686,7 @@ static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg switch (mem->mem_type) { case TTM_PL_SYSTEM: case VMW_PL_GMR: + case VMW_PL_MOB: return 0; case TTM_PL_VRAM: mem->bus.offset = mem->start << PAGE_SHIFT; @@ -690,6 +746,38 @@ static int vmw_sync_obj_wait(void *sync_obj, bool lazy, bool interruptible) VMW_FENCE_WAIT_TIMEOUT); } +/** + * vmw_move_notify - TTM move_notify_callback + * + * @bo: The TTM buffer object about to move. + * @mem: The truct ttm_mem_reg indicating to what memory + * region the move is taking place. + * + * Calls move_notify for all subsystems needing it. + * (currently only resources). + */ +static void vmw_move_notify(struct ttm_buffer_object *bo, + struct ttm_mem_reg *mem) +{ + vmw_resource_move_notify(bo, mem); +} + + +/** + * vmw_swap_notify - TTM move_notify_callback + * + * @bo: The TTM buffer object about to be swapped out. + */ +static void vmw_swap_notify(struct ttm_buffer_object *bo) +{ + struct ttm_bo_device *bdev = bo->bdev; + + spin_lock(&bdev->fence_lock); + ttm_bo_wait(bo, false, false, false); + spin_unlock(&bdev->fence_lock); +} + + struct ttm_bo_driver vmw_bo_driver = { .ttm_tt_create = &vmw_ttm_tt_create, .ttm_tt_populate = &vmw_ttm_populate, @@ -704,8 +792,8 @@ struct ttm_bo_driver vmw_bo_driver = { .sync_obj_flush = vmw_sync_obj_flush, .sync_obj_unref = vmw_sync_obj_unref, .sync_obj_ref = vmw_sync_obj_ref, - .move_notify = NULL, - .swap_notify = NULL, + .move_notify = vmw_move_notify, + .swap_notify = vmw_swap_notify, .fault_reserve_notify = &vmw_ttm_fault_reserve_notify, .io_mem_reserve = &vmw_ttm_io_mem_reserve, .io_mem_free = &vmw_ttm_io_mem_free, |
