Commit 9148bce4 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 

* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/ttm: export some functions useful to drivers using ttm
  drm/radeon/kms/avivo: fix typo in new_pll module description
  drm/radeon/kms: Convert radeon to new ttm_bo_init
  drm/ttm: Convert ttm_buffer_object_init to use ttm_placement
parents aad3bf04 d1ede145

drivers/gpu/drm/radeon/radeon_drv.c

+1 −1
Original line number Diff line number Diff line
@@ -121,7 +121,7 @@ module_param_named(connector_table, radeon_connector_table, int, 0444); 
MODULE_PARM_DESC(tv, "TV enable (0 = disable)");

module_param_named(tv, radeon_tv, int, 0444);



MODULE_PARM_DESC(r4xx_atom, "Select new PLL code for AVIVO chips");

MODULE_PARM_DESC(new_pll, "Select new PLL code for AVIVO chips");

module_param_named(new_pll, radeon_new_pll, int, 0444);



static int radeon_suspend(struct drm_device *dev, pm_message_t state)

drivers/gpu/drm/radeon/radeon_object.c

+9 −30
Original line number Diff line number Diff line
@@ -56,25 +56,6 @@ static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo) 
	kfree(bo);

}



static inline u32 radeon_ttm_flags_from_domain(u32 domain)

{

	u32 flags = 0;



	if (domain & RADEON_GEM_DOMAIN_VRAM) {

		flags |= TTM_PL_FLAG_VRAM | TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED;

	}

	if (domain & RADEON_GEM_DOMAIN_GTT) {

		flags |= TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;

	}

	if (domain & RADEON_GEM_DOMAIN_CPU) {

		flags |= TTM_PL_FLAG_SYSTEM | TTM_PL_MASK_CACHING;

	}

	if (!flags) {

		flags |= TTM_PL_FLAG_SYSTEM | TTM_PL_MASK_CACHING;

	}

	return flags;

}



void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)

{

	u32 c = 0;
@@ -100,7 +81,6 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, 
{

	struct radeon_bo *bo;

	enum ttm_bo_type type;

	u32 flags;

	int r;



	if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) {
@@ -120,16 +100,16 @@ int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj, 
	bo->surface_reg = -1;

	INIT_LIST_HEAD(&bo->list);



	flags = radeon_ttm_flags_from_domain(domain);

	radeon_ttm_placement_from_domain(bo, domain);

	/* Kernel allocation are uninterruptible */

	r = ttm_buffer_object_init(&rdev->mman.bdev, &bo->tbo, size, type,

					flags, 0, 0, !kernel, NULL, size,

	r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,

			&bo->placement, 0, 0, !kernel, NULL, size,

			&radeon_ttm_bo_destroy);

	if (unlikely(r != 0)) {

		if (r != -ERESTARTSYS)

			dev_err(rdev->dev,

				"object_init failed for (%ld, 0x%08X)\n",

				size, flags);

				"object_init failed for (%lu, 0x%08X)\n",

				size, domain);

		return r;

	}

	*bo_ptr = bo;
@@ -199,7 +179,7 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr) 
	radeon_ttm_placement_from_domain(bo, domain);

	for (i = 0; i < bo->placement.num_placement; i++)

		bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;

	r = ttm_buffer_object_validate(&bo->tbo, &bo->placement, false, false);

	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);

	if (likely(r == 0)) {

		bo->pin_count = 1;

		if (gpu_addr != NULL)
@@ -223,7 +203,7 @@ int radeon_bo_unpin(struct radeon_bo *bo) 
		return 0;

	for (i = 0; i < bo->placement.num_placement; i++)

		bo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;

	r = ttm_buffer_object_validate(&bo->tbo, &bo->placement, false, false);

	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);

	if (unlikely(r != 0))

		dev_err(bo->rdev->dev, "%p validate failed for unpin\n", bo);

	return r;
@@ -336,8 +316,7 @@ int radeon_bo_list_validate(struct list_head *head, void *fence) 
				radeon_ttm_placement_from_domain(bo,

								lobj->rdomain);

			}

			r = ttm_buffer_object_validate(&bo->tbo,

						&bo->placement,

			r = ttm_bo_validate(&bo->tbo, &bo->placement,

						true, false);

			if (unlikely(r))

				return r;

drivers/gpu/drm/ttm/ttm_bo.c

+61 −73
Original line number Diff line number Diff line
@@ -185,6 +185,7 @@ int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo, bool interruptible) 
	}

	return 0;

}

EXPORT_SYMBOL(ttm_bo_wait_unreserved);



static void ttm_bo_add_to_lru(struct ttm_buffer_object *bo)

{
@@ -946,6 +947,7 @@ int ttm_bo_wait_cpu(struct ttm_buffer_object *bo, bool no_wait) 
	return wait_event_interruptible(bo->event_queue,

					atomic_read(&bo->cpu_writers) == 0);

}

EXPORT_SYMBOL(ttm_bo_wait_cpu);



int ttm_bo_move_buffer(struct ttm_buffer_object *bo,

			struct ttm_placement *placement,
@@ -1002,7 +1004,7 @@ static int ttm_bo_mem_compat(struct ttm_placement *placement, 
	return -1;

}



int ttm_buffer_object_validate(struct ttm_buffer_object *bo,

int ttm_bo_validate(struct ttm_buffer_object *bo,

			struct ttm_placement *placement,

			bool interruptible, bool no_wait)

{
@@ -1040,44 +1042,48 @@ int ttm_buffer_object_validate(struct ttm_buffer_object *bo, 
	}

	return 0;

}

EXPORT_SYMBOL(ttm_buffer_object_validate);

EXPORT_SYMBOL(ttm_bo_validate);



int

ttm_bo_check_placement(struct ttm_buffer_object *bo,

		       uint32_t set_flags, uint32_t clr_flags)

int ttm_bo_check_placement(struct ttm_buffer_object *bo,

				struct ttm_placement *placement)

{

	uint32_t new_mask = set_flags | clr_flags;

	int i;



	if ((bo->type == ttm_bo_type_user) &&

	    (clr_flags & TTM_PL_FLAG_CACHED)) {

		printk(KERN_ERR TTM_PFX

		       "User buffers require cache-coherent memory.\n");

	if (placement->fpfn || placement->lpfn) {

		if (bo->mem.num_pages > (placement->lpfn - placement->fpfn)) {

			printk(KERN_ERR TTM_PFX "Page number range to small "

				"Need %lu pages, range is [%u, %u]\n",

				bo->mem.num_pages, placement->fpfn,

				placement->lpfn);

			return -EINVAL;

		}



	}

	for (i = 0; i < placement->num_placement; i++) {

		if (!capable(CAP_SYS_ADMIN)) {

		if (new_mask & TTM_PL_FLAG_NO_EVICT) {

			printk(KERN_ERR TTM_PFX "Need to be root to modify"

			       " NO_EVICT status.\n");

			if (placement->placement[i] & TTM_PL_FLAG_NO_EVICT) {

				printk(KERN_ERR TTM_PFX "Need to be root to "

					"modify NO_EVICT status.\n");

				return -EINVAL;

			}



		if ((clr_flags & bo->mem.placement & TTM_PL_MASK_MEMTYPE) &&

		    (bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {

			printk(KERN_ERR TTM_PFX

			       "Incompatible memory specification"

			       " for NO_EVICT buffer.\n");

		}

	}

	for (i = 0; i < placement->num_busy_placement; i++) {

		if (!capable(CAP_SYS_ADMIN)) {

			if (placement->busy_placement[i] & TTM_PL_FLAG_NO_EVICT) {

				printk(KERN_ERR TTM_PFX "Need to be root to "

					"modify NO_EVICT status.\n");

				return -EINVAL;

			}

		}

	}

	return 0;

}



int ttm_buffer_object_init(struct ttm_bo_device *bdev,

int ttm_bo_init(struct ttm_bo_device *bdev,

		struct ttm_buffer_object *bo,

		unsigned long size,

		enum ttm_bo_type type,

			   uint32_t flags,

		struct ttm_placement *placement,

		uint32_t page_alignment,

		unsigned long buffer_start,

		bool interruptible,
@@ -1085,10 +1091,8 @@ int ttm_buffer_object_init(struct ttm_bo_device *bdev, 
		size_t acc_size,

		void (*destroy) (struct ttm_buffer_object *))

{

	int i, c, ret = 0;

	int ret = 0;

	unsigned long num_pages;

	uint32_t placements[8];

	struct ttm_placement placement;



	size += buffer_start & ~PAGE_MASK;

	num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
@@ -1123,38 +1127,21 @@ int ttm_buffer_object_init(struct ttm_bo_device *bdev, 
	bo->acc_size = acc_size;

	atomic_inc(&bo->glob->bo_count);



	ret = ttm_bo_check_placement(bo, flags, 0ULL);

	ret = ttm_bo_check_placement(bo, placement);

	if (unlikely(ret != 0))

		goto out_err;



	/*

	 * If no caching attributes are set, accept any form of caching.

	 */



	if ((flags & TTM_PL_MASK_CACHING) == 0)

		flags |= TTM_PL_MASK_CACHING;



	/*

	 * For ttm_bo_type_device buffers, allocate

	 * address space from the device.

	 */



	if (bo->type == ttm_bo_type_device) {

		ret = ttm_bo_setup_vm(bo);

		if (ret)

			goto out_err;

	}



	placement.fpfn = 0;

	placement.lpfn = 0;

	for (i = 0, c = 0; i <= TTM_PL_PRIV5; i++)

		if (flags & (1 << i))

			placements[c++] = (flags & ~TTM_PL_MASK_MEM) | (1 << i);

	placement.placement = placements;

	placement.num_placement = c;

	placement.busy_placement = placements;

	placement.num_busy_placement = c;

	ret = ttm_buffer_object_validate(bo, &placement, interruptible, false);

	ret = ttm_bo_validate(bo, placement, interruptible, false);

	if (ret)

		goto out_err;
@@ -1167,7 +1154,7 @@ out_err: 


	return ret;

}

EXPORT_SYMBOL(ttm_buffer_object_init);

EXPORT_SYMBOL(ttm_bo_init);



static inline size_t ttm_bo_size(struct ttm_bo_global *glob,

				 unsigned long num_pages)
@@ -1178,10 +1165,10 @@ static inline size_t ttm_bo_size(struct ttm_bo_global *glob, 
	return glob->ttm_bo_size + 2 * page_array_size;

}



int ttm_buffer_object_create(struct ttm_bo_device *bdev,

int ttm_bo_create(struct ttm_bo_device *bdev,

			unsigned long size,

			enum ttm_bo_type type,

			     uint32_t flags,

			struct ttm_placement *placement,

			uint32_t page_alignment,

			unsigned long buffer_start,

			bool interruptible,
@@ -1205,9 +1192,8 @@ int ttm_buffer_object_create(struct ttm_bo_device *bdev, 
		return -ENOMEM;

	}



	ret = ttm_buffer_object_init(bdev, bo, size, type, flags,

				     page_alignment, buffer_start,

				     interruptible,

	ret = ttm_bo_init(bdev, bo, size, type, placement, page_alignment,

				buffer_start, interruptible,

				persistant_swap_storage, acc_size, NULL);

	if (likely(ret == 0))

		*p_bo = bo;
@@ -1743,12 +1729,14 @@ int ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait) 
	ttm_bo_unreserve(bo);

	return ret;

}

EXPORT_SYMBOL(ttm_bo_synccpu_write_grab);



void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo)

{

	if (atomic_dec_and_test(&bo->cpu_writers))

		wake_up_all(&bo->event_queue);

}

EXPORT_SYMBOL(ttm_bo_synccpu_write_release);



/**

 * A buffer object shrink method that tries to swap out the first

include/drm/ttm/ttm_bo_api.h

+30 −33
Original line number Diff line number Diff line
@@ -308,7 +308,7 @@ ttm_bo_reference(struct ttm_buffer_object *bo) 
extern int ttm_bo_wait(struct ttm_buffer_object *bo, bool lazy,

		       bool interruptible, bool no_wait);

/**

 * ttm_buffer_object_validate

 * ttm_bo_validate

 *

 * @bo: The buffer object.

 * @placement: Proposed placement for the buffer object.
@@ -323,7 +323,7 @@ extern int ttm_bo_wait(struct ttm_buffer_object *bo, bool lazy, 
 * -EBUSY if no_wait is true and buffer busy.

 * -ERESTARTSYS if interrupted by a signal.

 */

extern int ttm_buffer_object_validate(struct ttm_buffer_object *bo,

extern int ttm_bo_validate(struct ttm_buffer_object *bo,

				struct ttm_placement *placement,

				bool interruptible, bool no_wait);
@@ -362,7 +362,7 @@ ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait); 
extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo);



/**

 * ttm_buffer_object_init

 * ttm_bo_init

 *

 * @bdev: Pointer to a ttm_bo_device struct.

 * @bo: Pointer to a ttm_buffer_object to be initialized.
@@ -393,11 +393,11 @@ extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo); 
 * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.

 */



extern int ttm_buffer_object_init(struct ttm_bo_device *bdev,

extern int ttm_bo_init(struct ttm_bo_device *bdev,

			struct ttm_buffer_object *bo,

			unsigned long size,

			enum ttm_bo_type type,

				  uint32_t flags,

			struct ttm_placement *placement,

			uint32_t page_alignment,

			unsigned long buffer_start,

			bool interrubtible,
@@ -424,19 +424,18 @@ extern int ttm_buffer_object_init(struct ttm_bo_device *bdev, 
 * GEM user interface.

 * @p_bo: On successful completion *p_bo points to the created object.

 *

 * This function allocates a ttm_buffer_object, and then calls

 * ttm_buffer_object_init on that object.

 * The destroy function is set to kfree().

 * This function allocates a ttm_buffer_object, and then calls ttm_bo_init

 * on that object. The destroy function is set to kfree().

 * Returns

 * -ENOMEM: Out of memory.

 * -EINVAL: Invalid placement flags.

 * -ERESTARTSYS: Interrupted by signal while waiting for resources.

 */



extern int ttm_buffer_object_create(struct ttm_bo_device *bdev,

extern int ttm_bo_create(struct ttm_bo_device *bdev,

				unsigned long size,

				enum ttm_bo_type type,

				    uint32_t flags,

				struct ttm_placement *placement,

				uint32_t page_alignment,

				unsigned long buffer_start,

				bool interruptible,
@@ -447,17 +446,15 @@ extern int ttm_buffer_object_create(struct ttm_bo_device *bdev, 
 * ttm_bo_check_placement

 *

 * @bo:		the buffer object.

 * @set_flags: placement flags to set.

 * @clr_flags: placement flags to clear.

 * @placement:	placements

 *

 * Performs minimal validity checking on an intended change of

 * placement flags.

 * Returns

 * -EINVAL: Intended change is invalid or not allowed.

 */



extern int ttm_bo_check_placement(struct ttm_buffer_object *bo,

				  uint32_t set_flags, uint32_t clr_flags);

					struct ttm_placement *placement);



/**

 * ttm_bo_init_mm

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