diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_mob.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_mob.c | 212 |
1 files changed, 127 insertions, 85 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c index 04a64b8cd3cd..23db16008e39 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright © 2012 VMware, Inc., Palo Alto, CA., USA + * Copyright © 2012-2015 VMware, Inc., Palo Alto, CA., USA * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -31,7 +31,7 @@ * If we set up the screen target otable, screen objects stop working. */ -#define VMW_OTABLE_SETUP_SUB ((VMWGFX_ENABLE_SCREEN_TARGET_OTABLE) ? 0 : 1) +#define VMW_OTABLE_SETUP_SUB ((VMWGFX_ENABLE_SCREEN_TARGET_OTABLE ? 0 : 1)) #ifdef CONFIG_64BIT #define VMW_PPN_SIZE 8 @@ -67,9 +67,23 @@ struct vmw_mob { * @size: Size of the table (page-aligned). * @page_table: Pointer to a struct vmw_mob holding the page table. */ -struct vmw_otable { - unsigned long size; - struct vmw_mob *page_table; +static const struct vmw_otable pre_dx_tables[] = { + {VMWGFX_NUM_MOB * SVGA3D_OTABLE_MOB_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SURFACE * SVGA3D_OTABLE_SURFACE_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_CONTEXT * SVGA3D_OTABLE_CONTEXT_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SHADER * SVGA3D_OTABLE_SHADER_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SCREEN_TARGET * SVGA3D_OTABLE_SCREEN_TARGET_ENTRY_SIZE, + NULL, VMWGFX_ENABLE_SCREEN_TARGET_OTABLE} +}; + +static const struct vmw_otable dx_tables[] = { + {VMWGFX_NUM_MOB * SVGA3D_OTABLE_MOB_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SURFACE * SVGA3D_OTABLE_SURFACE_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_CONTEXT * SVGA3D_OTABLE_CONTEXT_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SHADER * SVGA3D_OTABLE_SHADER_ENTRY_SIZE, NULL, true}, + {VMWGFX_NUM_GB_SCREEN_TARGET * SVGA3D_OTABLE_SCREEN_TARGET_ENTRY_SIZE, + NULL, VMWGFX_ENABLE_SCREEN_TARGET_OTABLE}, + {VMWGFX_NUM_DXCONTEXT * sizeof(SVGAOTableDXContextEntry), NULL, true}, }; static int vmw_mob_pt_populate(struct vmw_private *dev_priv, @@ -92,6 +106,7 @@ static void vmw_mob_pt_setup(struct vmw_mob *mob, */ static int vmw_setup_otable_base(struct vmw_private *dev_priv, SVGAOTableType type, + struct ttm_buffer_object *otable_bo, unsigned long offset, struct vmw_otable *otable) { @@ -106,7 +121,7 @@ static int vmw_setup_otable_base(struct vmw_private *dev_priv, BUG_ON(otable->page_table != NULL); - vsgt = vmw_bo_sg_table(dev_priv->otable_bo); + vsgt = vmw_bo_sg_table(otable_bo); vmw_piter_start(&iter, vsgt, offset >> PAGE_SHIFT); WARN_ON(!vmw_piter_next(&iter)); @@ -142,7 +157,7 @@ static int vmw_setup_otable_base(struct vmw_private *dev_priv, cmd->header.id = SVGA_3D_CMD_SET_OTABLE_BASE64; cmd->header.size = sizeof(cmd->body); cmd->body.type = type; - cmd->body.baseAddress = cpu_to_le64(mob->pt_root_page >> PAGE_SHIFT); + cmd->body.baseAddress = mob->pt_root_page >> PAGE_SHIFT; cmd->body.sizeInBytes = otable->size; cmd->body.validSizeInBytes = 0; cmd->body.ptDepth = mob->pt_level; @@ -191,18 +206,19 @@ static void vmw_takedown_otable_base(struct vmw_private *dev_priv, if (unlikely(cmd == NULL)) { DRM_ERROR("Failed reserving FIFO space for OTable " "takedown.\n"); - } else { - memset(cmd, 0, sizeof(*cmd)); - cmd->header.id = SVGA_3D_CMD_SET_OTABLE_BASE; - cmd->header.size = sizeof(cmd->body); - cmd->body.type = type; - cmd->body.baseAddress = 0; - cmd->body.sizeInBytes = 0; - cmd->body.validSizeInBytes = 0; - cmd->body.ptDepth = SVGA3D_MOBFMT_INVALID; - vmw_fifo_commit(dev_priv, sizeof(*cmd)); + return; } + memset(cmd, 0, sizeof(*cmd)); + cmd->header.id = SVGA_3D_CMD_SET_OTABLE_BASE; + cmd->header.size = sizeof(cmd->body); + cmd->body.type = type; + cmd->body.baseAddress = 0; + cmd->body.sizeInBytes = 0; + cmd->body.validSizeInBytes = 0; + cmd->body.ptDepth = SVGA3D_MOBFMT_INVALID; + vmw_fifo_commit(dev_priv, sizeof(*cmd)); + if (bo) { int ret; @@ -217,47 +233,21 @@ static void vmw_takedown_otable_base(struct vmw_private *dev_priv, otable->page_table = NULL; } -/* - * vmw_otables_setup - Set up guest backed memory object tables - * - * @dev_priv: Pointer to a device private structure - * - * Takes care of the device guest backed surface - * initialization, by setting up the guest backed memory object tables. - * Returns 0 on success and various error codes on failure. A succesful return - * means the object tables can be taken down using the vmw_otables_takedown - * function. - */ -int vmw_otables_setup(struct vmw_private *dev_priv) + +static int vmw_otable_batch_setup(struct vmw_private *dev_priv, + struct vmw_otable_batch *batch) { unsigned long offset; unsigned long bo_size; - struct vmw_otable *otables; + struct vmw_otable *otables = batch->otables; SVGAOTableType i; int ret; - otables = kzalloc(SVGA_OTABLE_DX9_MAX * sizeof(*otables), - GFP_KERNEL); - if (unlikely(otables == NULL)) { - DRM_ERROR("Failed to allocate space for otable " - "metadata.\n"); - return -ENOMEM; - } - - otables[SVGA_OTABLE_MOB].size = - VMWGFX_NUM_MOB * SVGA3D_OTABLE_MOB_ENTRY_SIZE; - otables[SVGA_OTABLE_SURFACE].size = - VMWGFX_NUM_GB_SURFACE * SVGA3D_OTABLE_SURFACE_ENTRY_SIZE; - otables[SVGA_OTABLE_CONTEXT].size = - VMWGFX_NUM_GB_CONTEXT * SVGA3D_OTABLE_CONTEXT_ENTRY_SIZE; - otables[SVGA_OTABLE_SHADER].size = - VMWGFX_NUM_GB_SHADER * SVGA3D_OTABLE_SHADER_ENTRY_SIZE; - otables[SVGA_OTABLE_SCREEN_TARGET].size = - VMWGFX_NUM_GB_SCREEN_TARGET * - SVGA3D_OTABLE_SCREEN_TARGET_ENTRY_SIZE; - bo_size = 0; - for (i = 0; i < SVGA_OTABLE_DX9_MAX; ++i) { + for (i = 0; i < batch->num_otables; ++i) { + if (!otables[i].enabled) + continue; + otables[i].size = (otables[i].size + PAGE_SIZE - 1) & PAGE_MASK; bo_size += otables[i].size; @@ -267,63 +257,105 @@ int vmw_otables_setup(struct vmw_private *dev_priv) ttm_bo_type_device, &vmw_sys_ne_placement, 0, false, NULL, - &dev_priv->otable_bo); + &batch->otable_bo); if (unlikely(ret != 0)) goto out_no_bo; - ret = ttm_bo_reserve(dev_priv->otable_bo, false, true, false, NULL); + ret = ttm_bo_reserve(batch->otable_bo, false, true, false, NULL); BUG_ON(ret != 0); - ret = vmw_bo_driver.ttm_tt_populate(dev_priv->otable_bo->ttm); + ret = vmw_bo_driver.ttm_tt_populate(batch->otable_bo->ttm); if (unlikely(ret != 0)) goto out_unreserve; - ret = vmw_bo_map_dma(dev_priv->otable_bo); + ret = vmw_bo_map_dma(batch->otable_bo); if (unlikely(ret != 0)) goto out_unreserve; - ttm_bo_unreserve(dev_priv->otable_bo); + ttm_bo_unreserve(batch->otable_bo); offset = 0; - for (i = 0; i < SVGA_OTABLE_DX9_MAX - VMW_OTABLE_SETUP_SUB; ++i) { - ret = vmw_setup_otable_base(dev_priv, i, offset, + for (i = 0; i < batch->num_otables; ++i) { + if (!batch->otables[i].enabled) + continue; + + ret = vmw_setup_otable_base(dev_priv, i, batch->otable_bo, + offset, &otables[i]); if (unlikely(ret != 0)) goto out_no_setup; offset += otables[i].size; } - dev_priv->otables = otables; return 0; out_unreserve: - ttm_bo_unreserve(dev_priv->otable_bo); + ttm_bo_unreserve(batch->otable_bo); out_no_setup: - for (i = 0; i < SVGA_OTABLE_DX9_MAX - VMW_OTABLE_SETUP_SUB; ++i) - vmw_takedown_otable_base(dev_priv, i, &otables[i]); + for (i = 0; i < batch->num_otables; ++i) { + if (batch->otables[i].enabled) + vmw_takedown_otable_base(dev_priv, i, + &batch->otables[i]); + } - ttm_bo_unref(&dev_priv->otable_bo); + ttm_bo_unref(&batch->otable_bo); out_no_bo: - kfree(otables); return ret; } - /* - * vmw_otables_takedown - Take down guest backed memory object tables + * vmw_otables_setup - Set up guest backed memory object tables * * @dev_priv: Pointer to a device private structure * - * Take down the Guest Memory Object tables. + * Takes care of the device guest backed surface + * initialization, by setting up the guest backed memory object tables. + * Returns 0 on success and various error codes on failure. A successful return + * means the object tables can be taken down using the vmw_otables_takedown + * function. */ -void vmw_otables_takedown(struct vmw_private *dev_priv) +int vmw_otables_setup(struct vmw_private *dev_priv) +{ + struct vmw_otable **otables = &dev_priv->otable_batch.otables; + int ret; + + if (dev_priv->has_dx) { + *otables = kmalloc(sizeof(dx_tables), GFP_KERNEL); + if (*otables == NULL) + return -ENOMEM; + + memcpy(*otables, dx_tables, sizeof(dx_tables)); + dev_priv->otable_batch.num_otables = ARRAY_SIZE(dx_tables); + } else { + *otables = kmalloc(sizeof(pre_dx_tables), GFP_KERNEL); + if (*otables == NULL) + return -ENOMEM; + + memcpy(*otables, pre_dx_tables, sizeof(pre_dx_tables)); + dev_priv->otable_batch.num_otables = ARRAY_SIZE(pre_dx_tables); + } + + ret = vmw_otable_batch_setup(dev_priv, &dev_priv->otable_batch); + if (unlikely(ret != 0)) + goto out_setup; + + return 0; + +out_setup: + kfree(*otables); + return ret; +} + +static void vmw_otable_batch_takedown(struct vmw_private *dev_priv, + struct vmw_otable_batch *batch) { SVGAOTableType i; - struct ttm_buffer_object *bo = dev_priv->otable_bo; + struct ttm_buffer_object *bo = batch->otable_bo; int ret; - for (i = 0; i < SVGA_OTABLE_DX9_MAX - VMW_OTABLE_SETUP_SUB; ++i) - vmw_takedown_otable_base(dev_priv, i, - &dev_priv->otables[i]); + for (i = 0; i < batch->num_otables; ++i) + if (batch->otables[i].enabled) + vmw_takedown_otable_base(dev_priv, i, + &batch->otables[i]); ret = ttm_bo_reserve(bo, false, true, false, NULL); BUG_ON(ret != 0); @@ -331,11 +363,21 @@ void vmw_otables_takedown(struct vmw_private *dev_priv) vmw_fence_single_bo(bo, NULL); ttm_bo_unreserve(bo); - ttm_bo_unref(&dev_priv->otable_bo); - kfree(dev_priv->otables); - dev_priv->otables = NULL; + ttm_bo_unref(&batch->otable_bo); } +/* + * vmw_otables_takedown - Take down guest backed memory object tables + * + * @dev_priv: Pointer to a device private structure + * + * Take down the Guest Memory Object tables. + */ +void vmw_otables_takedown(struct vmw_private *dev_priv) +{ + vmw_otable_batch_takedown(dev_priv, &dev_priv->otable_batch); + kfree(dev_priv->otable_batch.otables); +} /* * vmw_mob_calculate_pt_pages - Calculate the number of page table pages @@ -409,7 +451,7 @@ static int vmw_mob_pt_populate(struct vmw_private *dev_priv, goto out_unreserve; ttm_bo_unreserve(mob->pt_bo); - + return 0; out_unreserve: @@ -429,15 +471,15 @@ out_unreserve: * *@addr according to the page table entry size. */ #if (VMW_PPN_SIZE == 8) -static void vmw_mob_assign_ppn(__le32 **addr, dma_addr_t val) +static void vmw_mob_assign_ppn(u32 **addr, dma_addr_t val) { - *((__le64 *) *addr) = cpu_to_le64(val >> PAGE_SHIFT); + *((u64 *) *addr) = val >> PAGE_SHIFT; *addr += 2; } #else -static void vmw_mob_assign_ppn(__le32 **addr, dma_addr_t val) +static void vmw_mob_assign_ppn(u32 **addr, dma_addr_t val) { - *(*addr)++ = cpu_to_le32(val >> PAGE_SHIFT); + *(*addr)++ = val >> PAGE_SHIFT; } #endif @@ -459,7 +501,7 @@ static unsigned long vmw_mob_build_pt(struct vmw_piter *data_iter, unsigned long pt_size = num_data_pages * VMW_PPN_SIZE; unsigned long num_pt_pages = DIV_ROUND_UP(pt_size, PAGE_SIZE); unsigned long pt_page; - __le32 *addr, *save_addr; + u32 *addr, *save_addr; unsigned long i; struct page *page; @@ -574,7 +616,7 @@ void vmw_mob_unbind(struct vmw_private *dev_priv, vmw_fence_single_bo(bo, NULL); ttm_bo_unreserve(bo); } - vmw_3d_resource_dec(dev_priv, false); + vmw_fifo_resource_dec(dev_priv); } /* @@ -627,7 +669,7 @@ int vmw_mob_bind(struct vmw_private *dev_priv, mob->pt_level += VMW_MOBFMT_PTDEPTH_1 - SVGA3D_MOBFMT_PTDEPTH_1; } - (void) vmw_3d_resource_inc(dev_priv, false); + vmw_fifo_resource_inc(dev_priv); cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd)); if (unlikely(cmd == NULL)) { @@ -640,7 +682,7 @@ int vmw_mob_bind(struct vmw_private *dev_priv, cmd->header.size = sizeof(cmd->body); cmd->body.mobid = mob_id; cmd->body.ptDepth = mob->pt_level; - cmd->body.base = cpu_to_le64(mob->pt_root_page >> PAGE_SHIFT); + cmd->body.base = mob->pt_root_page >> PAGE_SHIFT; cmd->body.sizeInBytes = num_data_pages * PAGE_SIZE; vmw_fifo_commit(dev_priv, sizeof(*cmd)); @@ -648,7 +690,7 @@ int vmw_mob_bind(struct vmw_private *dev_priv, return 0; out_no_cmd_space: - vmw_3d_resource_dec(dev_priv, false); + vmw_fifo_resource_dec(dev_priv); if (pt_set_up) ttm_bo_unref(&mob->pt_bo); |