diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_ttm.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/bochs/bochs_mm.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_gem_vram_helper.c | 119 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_vram_helper_common.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_ttm.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vboxvideo/vbox_ttm.c | 3 |
7 files changed, 42 insertions, 98 deletions
diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c index 08ba0a917593..fad34106083a 100644 --- a/drivers/gpu/drm/ast/ast_ttm.c +++ b/drivers/gpu/drm/ast/ast_ttm.c @@ -41,7 +41,7 @@ int ast_mm_init(struct ast_private *ast) vmm = drm_vram_helper_alloc_mm( dev, pci_resource_start(dev->pdev, 0), - ast->vram_size, &drm_gem_vram_mm_funcs); + ast->vram_size); if (IS_ERR(vmm)) { ret = PTR_ERR(vmm); DRM_ERROR("Error initializing VRAM MM; %d\n", ret); diff --git a/drivers/gpu/drm/bochs/bochs_mm.c b/drivers/gpu/drm/bochs/bochs_mm.c index 8f9bb886f7ad..1b74f530b07c 100644 --- a/drivers/gpu/drm/bochs/bochs_mm.c +++ b/drivers/gpu/drm/bochs/bochs_mm.c @@ -11,8 +11,7 @@ int bochs_mm_init(struct bochs_device *bochs) struct drm_vram_mm *vmm; vmm = drm_vram_helper_alloc_mm(bochs->dev, bochs->fb_base, - bochs->fb_size, - &drm_gem_vram_mm_funcs); + bochs->fb_size); return PTR_ERR_OR_ZERO(vmm); } diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 2dae03170d1b..b5d342423bb2 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -7,7 +7,6 @@ #include <drm/drm_gem_vram_helper.h> #include <drm/drm_mode.h> #include <drm/drm_prime.h> -#include <drm/drm_vram_mm_helper.h> #include <drm/ttm/ttm_page_alloc.h> static const struct drm_gem_object_funcs drm_gem_vram_object_funcs; @@ -464,68 +463,25 @@ static bool drm_is_gem_vram(struct ttm_buffer_object *bo) return (bo->destroy == ttm_buffer_object_destroy); } -/** - * drm_gem_vram_bo_driver_evict_flags() - \ - Implements &struct ttm_bo_driver.evict_flags - * @bo: TTM buffer object. Refers to &struct drm_gem_vram_object.bo - * @pl: TTM placement information. - */ -void drm_gem_vram_bo_driver_evict_flags(struct ttm_buffer_object *bo, - struct ttm_placement *pl) +static void drm_gem_vram_bo_driver_evict_flags(struct drm_gem_vram_object *gbo, + struct ttm_placement *pl) { - struct drm_gem_vram_object *gbo; - - /* TTM may pass BOs that are not GEM VRAM BOs. */ - if (!drm_is_gem_vram(bo)) - return; - - gbo = drm_gem_vram_of_bo(bo); drm_gem_vram_placement(gbo, TTM_PL_FLAG_SYSTEM); *pl = gbo->placement; } -EXPORT_SYMBOL(drm_gem_vram_bo_driver_evict_flags); -/** - * drm_gem_vram_bo_driver_verify_access() - \ - Implements &struct ttm_bo_driver.verify_access - * @bo: TTM buffer object. Refers to &struct drm_gem_vram_object.bo - * @filp: File pointer. - * - * Returns: - * 0 on success, or - * a negative errno code otherwise. - */ -int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo, - struct file *filp) +static int drm_gem_vram_bo_driver_verify_access(struct drm_gem_vram_object *gbo, + struct file *filp) { - struct drm_gem_vram_object *gbo = drm_gem_vram_of_bo(bo); - return drm_vma_node_verify_access(&gbo->bo.base.vma_node, filp->private_data); } -EXPORT_SYMBOL(drm_gem_vram_bo_driver_verify_access); -/** - * drm_gem_vram_bo_driver_move_notify() - - * Implements &struct ttm_bo_driver.move_notify - * @bo: TTM buffer object. Refers to &struct drm_gem_vram_object.bo - * @evict: True, if the BO is being evicted from graphics memory; - * false otherwise. - * @new_mem: New memory region, or NULL on destruction - */ -void drm_gem_vram_bo_driver_move_notify(struct ttm_buffer_object *bo, - bool evict, - struct ttm_mem_reg *new_mem) +static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo, + bool evict, + struct ttm_mem_reg *new_mem) { - struct drm_gem_vram_object *gbo; - struct ttm_bo_kmap_obj *kmap; - - /* TTM may pass BOs that are not GEM VRAM BOs. */ - if (!drm_is_gem_vram(bo)) - return; - - gbo = drm_gem_vram_of_bo(bo); - kmap = &gbo->kmap; + struct ttm_bo_kmap_obj *kmap = &gbo->kmap; if (WARN_ON_ONCE(gbo->kmap_use_count)) return; @@ -535,21 +491,6 @@ void drm_gem_vram_bo_driver_move_notify(struct ttm_buffer_object *bo, ttm_bo_kunmap(kmap); kmap->virtual = NULL; } -EXPORT_SYMBOL(drm_gem_vram_bo_driver_move_notify); - -/* - * drm_gem_vram_mm_funcs - Functions for &struct drm_vram_mm - * - * Most users of @struct drm_gem_vram_object will also use - * @struct drm_vram_mm. This instance of &struct drm_vram_mm_funcs - * can be used to connect both. - */ -const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs = { - .evict_flags = drm_gem_vram_bo_driver_evict_flags, - .verify_access = drm_gem_vram_bo_driver_verify_access, - .move_notify = drm_gem_vram_bo_driver_move_notify, -}; -EXPORT_SYMBOL(drm_gem_vram_mm_funcs); /* * Helpers for struct drm_gem_object_funcs @@ -815,31 +756,44 @@ static int bo_driver_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, static void bo_driver_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *placement) { - struct drm_vram_mm *vmm = drm_vram_mm_of_bdev(bo->bdev); + struct drm_gem_vram_object *gbo; - if (vmm->funcs && vmm->funcs->evict_flags) - vmm->funcs->evict_flags(bo, placement); + /* TTM may pass BOs that are not GEM VRAM BOs. */ + if (!drm_is_gem_vram(bo)) + return; + + gbo = drm_gem_vram_of_bo(bo); + + drm_gem_vram_bo_driver_evict_flags(gbo, placement); } static int bo_driver_verify_access(struct ttm_buffer_object *bo, struct file *filp) { - struct drm_vram_mm *vmm = drm_vram_mm_of_bdev(bo->bdev); + struct drm_gem_vram_object *gbo; - if (!vmm->funcs || !vmm->funcs->verify_access) - return 0; - return vmm->funcs->verify_access(bo, filp); + /* TTM may pass BOs that are not GEM VRAM BOs. */ + if (!drm_is_gem_vram(bo)) + return -EINVAL; + + gbo = drm_gem_vram_of_bo(bo); + + return drm_gem_vram_bo_driver_verify_access(gbo, filp); } static void bo_driver_move_notify(struct ttm_buffer_object *bo, bool evict, struct ttm_mem_reg *new_mem) { - struct drm_vram_mm *vmm = drm_vram_mm_of_bdev(bo->bdev); + struct drm_gem_vram_object *gbo; - if (!vmm->funcs || !vmm->funcs->move_notify) + /* TTM may pass BOs that are not GEM VRAM BOs. */ + if (!drm_is_gem_vram(bo)) return; - vmm->funcs->move_notify(bo, evict, new_mem); + + gbo = drm_gem_vram_of_bo(bo); + + drm_gem_vram_bo_driver_move_notify(gbo, evict, new_mem); } static int bo_driver_io_mem_reserve(struct ttm_bo_device *bdev, @@ -941,21 +895,18 @@ EXPORT_SYMBOL(drm_vram_mm_debugfs_init); * @dev: the DRM device * @vram_base: the base address of the video memory * @vram_size: the size of the video memory in bytes - * @funcs: callback functions for buffer objects * * Returns: * 0 on success, or * a negative error code otherwise. */ int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev, - uint64_t vram_base, size_t vram_size, - const struct drm_vram_mm_funcs *funcs) + uint64_t vram_base, size_t vram_size) { int ret; vmm->vram_base = vram_base; vmm->vram_size = vram_size; - vmm->funcs = funcs; ret = ttm_bo_device_init(&vmm->bdev, &bo_driver, dev->anon_inode->i_mapping, @@ -1009,15 +960,13 @@ EXPORT_SYMBOL(drm_vram_mm_mmap); * @dev: the DRM device * @vram_base: the base address of the video memory * @vram_size: the size of the video memory in bytes - * @funcs: callback functions for buffer objects * * Returns: * The new instance of &struct drm_vram_mm on success, or * an ERR_PTR()-encoded errno code otherwise. */ struct drm_vram_mm *drm_vram_helper_alloc_mm( - struct drm_device *dev, uint64_t vram_base, size_t vram_size, - const struct drm_vram_mm_funcs *funcs) + struct drm_device *dev, uint64_t vram_base, size_t vram_size) { int ret; @@ -1028,7 +977,7 @@ struct drm_vram_mm *drm_vram_helper_alloc_mm( if (!dev->vram_mm) return ERR_PTR(-ENOMEM); - ret = drm_vram_mm_init(dev->vram_mm, dev, vram_base, vram_size, funcs); + ret = drm_vram_mm_init(dev->vram_mm, dev, vram_base, vram_size); if (ret) goto err_kfree; diff --git a/drivers/gpu/drm/drm_vram_helper_common.c b/drivers/gpu/drm/drm_vram_helper_common.c index e9c9f9a80ba3..2000d9b33fd5 100644 --- a/drivers/gpu/drm/drm_vram_helper_common.c +++ b/drivers/gpu/drm/drm_vram_helper_common.c @@ -7,9 +7,8 @@ * * This library provides &struct drm_gem_vram_object (GEM VRAM), a GEM * buffer object that is backed by video RAM. It can be used for - * framebuffer devices with dedicated memory. The video RAM can be - * managed with &struct drm_vram_mm (VRAM MM). Both data structures are - * supposed to be used together, but can also be used individually. + * framebuffer devices with dedicated memory. The video RAM is managed + * by &struct drm_vram_mm (VRAM MM). * * With the GEM interface userspace applications create, manage and destroy * graphics buffers, such as an on-screen framebuffer. GEM does not provide @@ -50,8 +49,7 @@ * // setup device, vram base and size * // ... * - * ret = drm_vram_helper_alloc_mm(dev, vram_base, vram_size, - * &drm_gem_vram_mm_funcs); + * ret = drm_vram_helper_alloc_mm(dev, vram_base, vram_size); * if (ret) * return ret; * return 0; diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c index 5d52cd748603..21b684eab5c9 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c @@ -28,7 +28,7 @@ int hibmc_mm_init(struct hibmc_drm_private *hibmc) vmm = drm_vram_helper_alloc_mm(dev, pci_resource_start(dev->pdev, 0), - hibmc->fb_size, &drm_gem_vram_mm_funcs); + hibmc->fb_size); if (IS_ERR(vmm)) { ret = PTR_ERR(vmm); DRM_ERROR("Error initializing VRAM MM; %d\n", ret); diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c index 73a6b848601c..69c81ebf3745 100644 --- a/drivers/gpu/drm/mgag200/mgag200_ttm.c +++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c @@ -37,8 +37,7 @@ int mgag200_mm_init(struct mga_device *mdev) struct drm_device *dev = mdev->dev; vmm = drm_vram_helper_alloc_mm(dev, pci_resource_start(dev->pdev, 0), - mdev->mc.vram_size, - &drm_gem_vram_mm_funcs); + mdev->mc.vram_size); if (IS_ERR(vmm)) { ret = PTR_ERR(vmm); DRM_ERROR("Error initializing VRAM MM; %d\n", ret); diff --git a/drivers/gpu/drm/vboxvideo/vbox_ttm.c b/drivers/gpu/drm/vboxvideo/vbox_ttm.c index b82595a9ed0f..976423d0c3cc 100644 --- a/drivers/gpu/drm/vboxvideo/vbox_ttm.c +++ b/drivers/gpu/drm/vboxvideo/vbox_ttm.c @@ -17,8 +17,7 @@ int vbox_mm_init(struct vbox_private *vbox) struct drm_device *dev = &vbox->ddev; vmm = drm_vram_helper_alloc_mm(dev, pci_resource_start(dev->pdev, 0), - vbox->available_vram_size, - &drm_gem_vram_mm_funcs); + vbox->available_vram_size); if (IS_ERR(vmm)) { ret = PTR_ERR(vmm); DRM_ERROR("Error initializing VRAM MM; %d\n", ret); |