Merge branch 'for-airlied' of git://people.freedesktop.org/~danvet/drm into drm-core-next (5c72765e) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/gpu/drm/Makefile

+1 −1

Original line number	Diff line number	Diff line
		@@ -9,7 +9,7 @@ drm-y := drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \
		drm_drv.o drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \
		drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
		drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
		drm_platform.o drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
		drm_platform.o drm_sysfs.o drm_hashtab.o drm_mm.o \
		drm_crtc.o drm_modes.o drm_edid.o \
		drm_info.o drm_debugfs.o drm_encoder_slave.o \
		drm_trace_points.o drm_global.o drm_usb.o

drivers/gpu/drm/drm_sman.c

deleted100644 → 0

+0 −351

Original line number	Diff line number	Diff line
		/**************************************************************************
		*
		* 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 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 COPYRIGHT HOLDERS, AUTHORS AND/OR ITS 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.
		*
		* The above copyright notice and this permission notice (including the
		* next paragraph) shall be included in all copies or substantial portions
		* of the Software.
		*
		*
		**************************************************************************/
		/*
		* Simple memory manager interface that keeps track on allocate regions on a
		* per "owner" basis. All regions associated with an "owner" can be released
		* with a simple call. Typically if the "owner" exists. The owner is any
		* "unsigned long" identifier. Can typically be a pointer to a file private
		* struct or a context identifier.
		*
		* Authors:
		* Thomas Hellström <thomas-at-tungstengraphics-dot-com>
		*/

		#include <linux/export.h>
		#include "drm_sman.h"

		struct drm_owner_item {
		struct drm_hash_item owner_hash;
		struct list_head sman_list;
		struct list_head mem_blocks;
		};

		void drm_sman_takedown(struct drm_sman * sman)
		{
		drm_ht_remove(&sman->user_hash_tab);
		drm_ht_remove(&sman->owner_hash_tab);
		kfree(sman->mm);
		}

		EXPORT_SYMBOL(drm_sman_takedown);

		int
		drm_sman_init(struct drm_sman * sman, unsigned int num_managers,
		unsigned int user_order, unsigned int owner_order)
		{
		int ret = 0;

		sman->mm = kcalloc(num_managers, sizeof(*sman->mm), GFP_KERNEL);
		if (!sman->mm) {
		ret = -ENOMEM;
		goto out;
		}
		sman->num_managers = num_managers;
		INIT_LIST_HEAD(&sman->owner_items);
		ret = drm_ht_create(&sman->owner_hash_tab, owner_order);
		if (ret)
		goto out1;
		ret = drm_ht_create(&sman->user_hash_tab, user_order);
		if (!ret)
		goto out;

		drm_ht_remove(&sman->owner_hash_tab);
		out1:
		kfree(sman->mm);
		out:
		return ret;
		}

		EXPORT_SYMBOL(drm_sman_init);

		static void drm_sman_mm_allocate(void private, unsigned long size,
		unsigned alignment)
		{
		struct drm_mm mm = (struct drm_mm ) private;
		struct drm_mm_node *tmp;

		tmp = drm_mm_search_free(mm, size, alignment, 1);
		if (!tmp) {
		return NULL;
		}
		tmp = drm_mm_get_block(tmp, size, alignment);
		return tmp;
		}

		static void drm_sman_mm_free(void private, void ref)
		{
		struct drm_mm_node node = (struct drm_mm_node ) ref;

		drm_mm_put_block(node);
		}

		static void drm_sman_mm_destroy(void *private)
		{
		struct drm_mm mm = (struct drm_mm ) private;
		drm_mm_takedown(mm);
		kfree(mm);
		}

		static unsigned long drm_sman_mm_offset(void private, void ref)
		{
		struct drm_mm_node node = (struct drm_mm_node ) ref;
		return node->start;
		}

		int
		drm_sman_set_range(struct drm_sman * sman, unsigned int manager,
		unsigned long start, unsigned long size)
		{
		struct drm_sman_mm *sman_mm;
		struct drm_mm *mm;
		int ret;

		BUG_ON(manager >= sman->num_managers);

		sman_mm = &sman->mm[manager];
		mm = kzalloc(sizeof(*mm), GFP_KERNEL);
		if (!mm) {
		return -ENOMEM;
		}
		sman_mm->private = mm;
		ret = drm_mm_init(mm, start, size);

		if (ret) {
		kfree(mm);
		return ret;
		}

		sman_mm->allocate = drm_sman_mm_allocate;
		sman_mm->free = drm_sman_mm_free;
		sman_mm->destroy = drm_sman_mm_destroy;
		sman_mm->offset = drm_sman_mm_offset;

		return 0;
		}

		EXPORT_SYMBOL(drm_sman_set_range);

		int
		drm_sman_set_manager(struct drm_sman * sman, unsigned int manager,
		struct drm_sman_mm * allocator)
		{
		BUG_ON(manager >= sman->num_managers);
		sman->mm[manager] = *allocator;

		return 0;
		}
		EXPORT_SYMBOL(drm_sman_set_manager);

		static struct drm_owner_item drm_sman_get_owner_item(struct drm_sman sman,
		unsigned long owner)
		{
		int ret;
		struct drm_hash_item *owner_hash_item;
		struct drm_owner_item *owner_item;

		ret = drm_ht_find_item(&sman->owner_hash_tab, owner, &owner_hash_item);
		if (!ret) {
		return drm_hash_entry(owner_hash_item, struct drm_owner_item,
		owner_hash);
		}

		owner_item = kzalloc(sizeof(*owner_item), GFP_KERNEL);
		if (!owner_item)
		goto out;

		INIT_LIST_HEAD(&owner_item->mem_blocks);
		owner_item->owner_hash.key = owner;
		if (drm_ht_insert_item(&sman->owner_hash_tab, &owner_item->owner_hash))
		goto out1;

		list_add_tail(&owner_item->sman_list, &sman->owner_items);
		return owner_item;

		out1:
		kfree(owner_item);
		out:
		return NULL;
		}

		struct drm_memblock_item drm_sman_alloc(struct drm_sman sman, unsigned int manager,
		unsigned long size, unsigned alignment,
		unsigned long owner)
		{
		void *tmp;
		struct drm_sman_mm *sman_mm;
		struct drm_owner_item *owner_item;
		struct drm_memblock_item *memblock;

		BUG_ON(manager >= sman->num_managers);

		sman_mm = &sman->mm[manager];
		tmp = sman_mm->allocate(sman_mm->private, size, alignment);

		if (!tmp) {
		return NULL;
		}

		memblock = kzalloc(sizeof(*memblock), GFP_KERNEL);

		if (!memblock)
		goto out;

		memblock->mm_info = tmp;
		memblock->mm = sman_mm;
		memblock->sman = sman;

		if (drm_ht_just_insert_please
		(&sman->user_hash_tab, &memblock->user_hash,
		(unsigned long)memblock, 32, 0, 0))
		goto out1;

		owner_item = drm_sman_get_owner_item(sman, owner);
		if (!owner_item)
		goto out2;

		list_add_tail(&memblock->owner_list, &owner_item->mem_blocks);

		return memblock;

		out2:
		drm_ht_remove_item(&sman->user_hash_tab, &memblock->user_hash);
		out1:
		kfree(memblock);
		out:
		sman_mm->free(sman_mm->private, tmp);

		return NULL;
		}

		EXPORT_SYMBOL(drm_sman_alloc);

		static void drm_sman_free(struct drm_memblock_item *item)
		{
		struct drm_sman *sman = item->sman;

		list_del(&item->owner_list);
		drm_ht_remove_item(&sman->user_hash_tab, &item->user_hash);
		item->mm->free(item->mm->private, item->mm_info);
		kfree(item);
		}

		int drm_sman_free_key(struct drm_sman *sman, unsigned int key)
		{
		struct drm_hash_item *hash_item;
		struct drm_memblock_item *memblock_item;

		if (drm_ht_find_item(&sman->user_hash_tab, key, &hash_item))
		return -EINVAL;

		memblock_item = drm_hash_entry(hash_item, struct drm_memblock_item,
		user_hash);
		drm_sman_free(memblock_item);
		return 0;
		}

		EXPORT_SYMBOL(drm_sman_free_key);

		static void drm_sman_remove_owner(struct drm_sman *sman,
		struct drm_owner_item *owner_item)
		{
		list_del(&owner_item->sman_list);
		drm_ht_remove_item(&sman->owner_hash_tab, &owner_item->owner_hash);
		kfree(owner_item);
		}

		int drm_sman_owner_clean(struct drm_sman *sman, unsigned long owner)
		{

		struct drm_hash_item *hash_item;
		struct drm_owner_item *owner_item;

		if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) {
		return -1;
		}

		owner_item = drm_hash_entry(hash_item, struct drm_owner_item, owner_hash);
		if (owner_item->mem_blocks.next == &owner_item->mem_blocks) {
		drm_sman_remove_owner(sman, owner_item);
		return -1;
		}

		return 0;
		}

		EXPORT_SYMBOL(drm_sman_owner_clean);

		static void drm_sman_do_owner_cleanup(struct drm_sman *sman,
		struct drm_owner_item *owner_item)
		{
		struct drm_memblock_item entry, next;

		list_for_each_entry_safe(entry, next, &owner_item->mem_blocks,
		owner_list) {
		drm_sman_free(entry);
		}
		drm_sman_remove_owner(sman, owner_item);
		}

		void drm_sman_owner_cleanup(struct drm_sman *sman, unsigned long owner)
		{

		struct drm_hash_item *hash_item;
		struct drm_owner_item *owner_item;

		if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) {

		return;
		}

		owner_item = drm_hash_entry(hash_item, struct drm_owner_item, owner_hash);
		drm_sman_do_owner_cleanup(sman, owner_item);
		}

		EXPORT_SYMBOL(drm_sman_owner_cleanup);

		void drm_sman_cleanup(struct drm_sman *sman)
		{
		struct drm_owner_item entry, next;
		unsigned int i;
		struct drm_sman_mm *sman_mm;

		list_for_each_entry_safe(entry, next, &sman->owner_items, sman_list) {
		drm_sman_do_owner_cleanup(sman, entry);
		}
		if (sman->mm) {
		for (i = 0; i < sman->num_managers; ++i) {
		sman_mm = &sman->mm[i];
		if (sman_mm->private) {
		sman_mm->destroy(sman_mm->private);
		sman_mm->private = NULL;
		}
		}
		}
		}

		EXPORT_SYMBOL(drm_sman_cleanup);

drivers/gpu/drm/i810/i810_dma.c

+11 −8

Original line number	Diff line number	Diff line
		@@ -222,8 +222,6 @@ static int i810_dma_cleanup(struct drm_device *dev)
		pci_free_consistent(dev->pdev, PAGE_SIZE,
		dev_priv->hw_status_page,
		dev_priv->dma_status_page);
		/* Need to rewrite hardware status page */
		I810_WRITE(0x02080, 0x1ffff000);
		}
		kfree(dev->dev_private);
		dev->dev_private = NULL;
		@@ -888,7 +886,7 @@ static int i810_flush_queue(struct drm_device *dev)
		}

		/* Must be called with the lock held */
		static void i810_reclaim_buffers(struct drm_device *dev,
		void i810_driver_reclaim_buffers(struct drm_device *dev,
		struct drm_file *file_priv)
		{
		struct drm_device_dma *dma = dev->dma;
		@@ -1225,12 +1223,17 @@ void i810_driver_preclose(struct drm_device dev, struct drm_file file_priv)
		if (dev_priv->page_flipping)
		i810_do_cleanup_pageflip(dev);
		}

		if (file_priv->master && file_priv->master->lock.hw_lock) {
		drm_idlelock_take(&file_priv->master->lock);
		i810_driver_reclaim_buffers(dev, file_priv);
		drm_idlelock_release(&file_priv->master->lock);
		} else {
		/* master disappeared, clean up stuff anyway and hope nothing
		* goes wrong */
		i810_driver_reclaim_buffers(dev, file_priv);
		}

		void i810_driver_reclaim_buffers_locked(struct drm_device *dev,
		struct drm_file *file_priv)
		{
		i810_reclaim_buffers(dev, file_priv);
		}

		int i810_driver_dma_quiescent(struct drm_device *dev)

drivers/gpu/drm/i810/i810_drv.c

+0 −1

Original line number	Diff line number	Diff line
		@@ -63,7 +63,6 @@ static struct drm_driver driver = {
		.lastclose = i810_driver_lastclose,
		.preclose = i810_driver_preclose,
		.device_is_agp = i810_driver_device_is_agp,
		.reclaim_buffers_locked = i810_driver_reclaim_buffers_locked,
		.dma_quiescent = i810_driver_dma_quiescent,
		.ioctls = i810_ioctls,
		.fops = &i810_driver_fops,

drivers/gpu/drm/i810/i810_drv.h

+2 −4

Original line number	Diff line number	Diff line
		@@ -116,14 +116,12 @@ typedef struct drm_i810_private {

		/* i810_dma.c */
		extern int i810_driver_dma_quiescent(struct drm_device *dev);
		extern void i810_driver_reclaim_buffers_locked(struct drm_device *dev,
		void i810_driver_reclaim_buffers(struct drm_device *dev,
		struct drm_file *file_priv);
		extern int i810_driver_load(struct drm_device *, unsigned long flags);
		extern void i810_driver_lastclose(struct drm_device *dev);
		extern void i810_driver_preclose(struct drm_device *dev,
		struct drm_file *file_priv);
		extern void i810_driver_reclaim_buffers_locked(struct drm_device *dev,
		struct drm_file *file_priv);
		extern int i810_driver_device_is_agp(struct drm_device *dev);

		extern long i810_ioctl(struct file *file, unsigned int cmd, unsigned long arg);