diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/gem.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/gem.c | 92 |
1 files changed, 11 insertions, 81 deletions
diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c index eefd6cc5b80..c707fa6fca8 100644 --- a/drivers/gpu/drm/gma500/gem.c +++ b/drivers/gpu/drm/gma500/gem.c @@ -26,20 +26,15 @@ #include <drm/drmP.h> #include <drm/drm.h> #include <drm/gma_drm.h> +#include <drm/drm_vma_manager.h> #include "psb_drv.h" -int psb_gem_init_object(struct drm_gem_object *obj) -{ - return -EINVAL; -} - void psb_gem_free_object(struct drm_gem_object *obj) { struct gtt_range *gtt = container_of(obj, struct gtt_range, gem); /* Remove the list map if one is present */ - if (obj->map_list.map) - drm_gem_free_mmap_offset(obj); + drm_gem_free_mmap_offset(obj); drm_gem_object_release(obj); /* This must occur last as it frees up the memory of the GEM object */ @@ -67,9 +62,6 @@ int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, int ret = 0; struct drm_gem_object *obj; - if (!(dev->driver->driver_features & DRIVER_GEM)) - return -ENODEV; - mutex_lock(&dev->struct_mutex); /* GEM does all our handle to object mapping */ @@ -81,13 +73,10 @@ int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, /* What validation is needed here ? */ /* Make it mmapable */ - if (!obj->map_list.map) { - ret = drm_gem_create_mmap_offset(obj); - if (ret) - goto out; - } - /* GEM should really work out the hash offsets for us */ - *offset = (u64)obj->map_list.hash.key << PAGE_SHIFT; + ret = drm_gem_create_mmap_offset(obj); + if (ret) + goto out; + *offset = drm_vma_node_offset_addr(&obj->vma_node); out: drm_gem_object_unreference(obj); unlock: @@ -106,8 +95,8 @@ unlock: * it so that userspace can speak about it. This does the core work * for the various methods that do/will create GEM objects for things */ -static int psb_gem_create(struct drm_file *file, - struct drm_device *dev, uint64_t size, uint32_t *handlep) +int psb_gem_create(struct drm_file *file, struct drm_device *dev, u64 size, + u32 *handlep, int stolen, u32 align) { struct gtt_range *r; int ret; @@ -117,7 +106,7 @@ static int psb_gem_create(struct drm_file *file, /* Allocate our object - for now a direct gtt range which is not stolen memory backed */ - r = psb_gtt_alloc_range(dev, size, "gem", 0); + r = psb_gtt_alloc_range(dev, size, "gem", 0, PAGE_SIZE); if (r == NULL) { dev_err(dev->dev, "no memory for %lld byte GEM object\n", size); return -ENOSPC; @@ -161,24 +150,8 @@ int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev, { args->pitch = ALIGN(args->width * ((args->bpp + 7) / 8), 64); args->size = args->pitch * args->height; - return psb_gem_create(file, dev, args->size, &args->handle); -} - -/** - * psb_gem_dumb_destroy - destroy a dumb buffer - * @file: client file - * @dev: our DRM device - * @handle: the object handle - * - * Destroy a handle that was created via psb_gem_dumb_create, at least - * we hope it was created that way. i915 seems to assume the caller - * does the checking but that might be worth review ! FIXME - */ -int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, - uint32_t handle) -{ - /* No special work needed, drop the reference and see what falls out */ - return drm_gem_handle_delete(file, handle); + return psb_gem_create(file, dev, args->size, &args->handle, 0, + PAGE_SIZE); } /** @@ -254,46 +227,3 @@ fail: return VM_FAULT_SIGBUS; } } - -static int psb_gem_create_stolen(struct drm_file *file, struct drm_device *dev, - int size, u32 *handle) -{ - struct gtt_range *gtt = psb_gtt_alloc_range(dev, size, "gem", 1); - if (gtt == NULL) - return -ENOMEM; - if (drm_gem_private_object_init(dev, >t->gem, size) != 0) - goto free_gtt; - if (drm_gem_handle_create(file, >t->gem, handle) == 0) - return 0; -free_gtt: - psb_gtt_free_range(dev, gtt); - return -ENOMEM; -} - -/* - * GEM interfaces for our specific client - */ -int psb_gem_create_ioctl(struct drm_device *dev, void *data, - struct drm_file *file) -{ - struct drm_psb_gem_create *args = data; - int ret; - if (args->flags & GMA_GEM_CREATE_STOLEN) { - ret = psb_gem_create_stolen(file, dev, args->size, - &args->handle); - if (ret == 0) - return 0; - /* Fall throguh */ - args->flags &= ~GMA_GEM_CREATE_STOLEN; - } - return psb_gem_create(file, dev, args->size, &args->handle); -} - -int psb_gem_mmap_ioctl(struct drm_device *dev, void *data, - struct drm_file *file) -{ - struct drm_psb_gem_mmap *args = data; - return dev->driver->dumb_map_offset(file, dev, - args->handle, &args->offset); -} - |