From 67034c8e004982764dd5b5df3d57a4179902f60d Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Wed, 13 Jul 2022 19:01:53 +0200 Subject: drm/via: Embed via_mm in via_dri1 All functions was made static as there are no external users. Signed-off-by: Sam Ravnborg Acked-by: Thomas Zimmermann Cc: Kevin Brace Link: https://patchwork.freedesktop.org/patch/msgid/20220713170202.1798216-5-sam@ravnborg.org --- drivers/gpu/drm/via/via_mm.c | 241 ------------------------------------------- 1 file changed, 241 deletions(-) delete mode 100644 drivers/gpu/drm/via/via_mm.c (limited to 'drivers/gpu/drm/via/via_mm.c') diff --git a/drivers/gpu/drm/via/via_mm.c b/drivers/gpu/drm/via/via_mm.c deleted file mode 100644 index c9afa1a51f23..000000000000 --- a/drivers/gpu/drm/via/via_mm.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * Copyright 2006 Tungsten Graphics Inc., Bismarck, ND., USA. - * All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sub license, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - */ -/* - * Authors: Thomas Hellström - */ - -#include - -#include -#include -#include - -#include "via_drv.h" - -#define VIA_MM_ALIGN_SHIFT 4 -#define VIA_MM_ALIGN_MASK ((1 << VIA_MM_ALIGN_SHIFT) - 1) - -struct via_memblock { - struct drm_mm_node mm_node; - struct list_head owner_list; -}; - -int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_via_agp_t *agp = data; - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - - mutex_lock(&dev->struct_mutex); - drm_mm_init(&dev_priv->agp_mm, 0, agp->size >> VIA_MM_ALIGN_SHIFT); - - dev_priv->agp_initialized = 1; - dev_priv->agp_offset = agp->offset; - mutex_unlock(&dev->struct_mutex); - - DRM_DEBUG("offset = %u, size = %u\n", agp->offset, agp->size); - return 0; -} - -int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_via_fb_t *fb = data; - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - - mutex_lock(&dev->struct_mutex); - drm_mm_init(&dev_priv->vram_mm, 0, fb->size >> VIA_MM_ALIGN_SHIFT); - - dev_priv->vram_initialized = 1; - dev_priv->vram_offset = fb->offset; - - mutex_unlock(&dev->struct_mutex); - DRM_DEBUG("offset = %u, size = %u\n", fb->offset, fb->size); - - return 0; - -} - -int via_final_context(struct drm_device *dev, int context) -{ - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - - via_release_futex(dev_priv, context); - - /* Linux specific until context tracking code gets ported to BSD */ - /* Last context, perform cleanup */ - if (list_is_singular(&dev->ctxlist)) { - DRM_DEBUG("Last Context\n"); - drm_legacy_irq_uninstall(dev); - via_cleanup_futex(dev_priv); - via_do_cleanup_map(dev); - } - return 1; -} - -void via_lastclose(struct drm_device *dev) -{ - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - - if (!dev_priv) - return; - - mutex_lock(&dev->struct_mutex); - if (dev_priv->vram_initialized) { - drm_mm_takedown(&dev_priv->vram_mm); - dev_priv->vram_initialized = 0; - } - if (dev_priv->agp_initialized) { - drm_mm_takedown(&dev_priv->agp_mm); - dev_priv->agp_initialized = 0; - } - mutex_unlock(&dev->struct_mutex); -} - -int via_mem_alloc(struct drm_device *dev, void *data, - struct drm_file *file) -{ - drm_via_mem_t *mem = data; - int retval = 0, user_key; - struct via_memblock *item; - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - struct via_file_private *file_priv = file->driver_priv; - unsigned long tmpSize; - - if (mem->type > VIA_MEM_AGP) { - DRM_ERROR("Unknown memory type allocation\n"); - return -EINVAL; - } - mutex_lock(&dev->struct_mutex); - if (0 == ((mem->type == VIA_MEM_VIDEO) ? dev_priv->vram_initialized : - dev_priv->agp_initialized)) { - mutex_unlock(&dev->struct_mutex); - DRM_ERROR - ("Attempt to allocate from uninitialized memory manager.\n"); - return -EINVAL; - } - - item = kzalloc(sizeof(*item), GFP_KERNEL); - if (!item) { - retval = -ENOMEM; - goto fail_alloc; - } - - tmpSize = (mem->size + VIA_MM_ALIGN_MASK) >> VIA_MM_ALIGN_SHIFT; - if (mem->type == VIA_MEM_AGP) - retval = drm_mm_insert_node(&dev_priv->agp_mm, - &item->mm_node, - tmpSize); - else - retval = drm_mm_insert_node(&dev_priv->vram_mm, - &item->mm_node, - tmpSize); - if (retval) - goto fail_alloc; - - retval = idr_alloc(&dev_priv->object_idr, item, 1, 0, GFP_KERNEL); - if (retval < 0) - goto fail_idr; - user_key = retval; - - list_add(&item->owner_list, &file_priv->obj_list); - mutex_unlock(&dev->struct_mutex); - - mem->offset = ((mem->type == VIA_MEM_VIDEO) ? - dev_priv->vram_offset : dev_priv->agp_offset) + - ((item->mm_node.start) << VIA_MM_ALIGN_SHIFT); - mem->index = user_key; - - return 0; - -fail_idr: - drm_mm_remove_node(&item->mm_node); -fail_alloc: - kfree(item); - mutex_unlock(&dev->struct_mutex); - - mem->offset = 0; - mem->size = 0; - mem->index = 0; - DRM_DEBUG("Video memory allocation failed\n"); - - return retval; -} - -int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_via_private_t *dev_priv = dev->dev_private; - drm_via_mem_t *mem = data; - struct via_memblock *obj; - - mutex_lock(&dev->struct_mutex); - obj = idr_find(&dev_priv->object_idr, mem->index); - if (obj == NULL) { - mutex_unlock(&dev->struct_mutex); - return -EINVAL; - } - - idr_remove(&dev_priv->object_idr, mem->index); - list_del(&obj->owner_list); - drm_mm_remove_node(&obj->mm_node); - kfree(obj); - mutex_unlock(&dev->struct_mutex); - - DRM_DEBUG("free = 0x%lx\n", mem->index); - - return 0; -} - - -void via_reclaim_buffers_locked(struct drm_device *dev, - struct drm_file *file) -{ - struct via_file_private *file_priv = file->driver_priv; - struct via_memblock *entry, *next; - - if (!(dev->master && file->master->lock.hw_lock)) - return; - - drm_legacy_idlelock_take(&file->master->lock); - - mutex_lock(&dev->struct_mutex); - if (list_empty(&file_priv->obj_list)) { - mutex_unlock(&dev->struct_mutex); - drm_legacy_idlelock_release(&file->master->lock); - - return; - } - - via_driver_dma_quiescent(dev); - - list_for_each_entry_safe(entry, next, &file_priv->obj_list, - owner_list) { - list_del(&entry->owner_list); - drm_mm_remove_node(&entry->mm_node); - kfree(entry); - } - mutex_unlock(&dev->struct_mutex); - - drm_legacy_idlelock_release(&file->master->lock); - - return; -} -- cgit v1.2.3