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author | Dave Airlie <airlied@redhat.com> | 2013-07-19 11:56:14 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2013-07-19 12:12:21 +1000 |
commit | e13af9a8340685cfe25d0c9f708da7121e0f51dd (patch) | |
tree | 43511021ce5e60c03ee4c2c68c3dc9ffcdc3d399 /drivers/gpu/drm/drm_mm.c | |
parent | ee114b97e67b2a572f94982567a21ac4ee17c133 (diff) | |
parent | 50b44a449ff1a19712ebc36ffccf9ac0a68033bf (diff) | |
download | linux-e13af9a8340685cfe25d0c9f708da7121e0f51dd.tar.bz2 |
Merge tag 'drm-intel-next-2013-07-12' of git://people.freedesktop.org/~danvet/drm-intel into drm-next
Highlights:
- follow-up refactoring after the shared dpll rework that landed in 3.11
- oddball prep cleanups from Ben for ppgtt
- encoder->get_config state tracking infrastructure from Jesse
- used by the experimental fastboot support from Jesse (disabled by
default)
- make the error state file official and add it to our sysfs interface
(Mika)
- drm_mm prep changes from Ben, prepares to embedd the drm_mm_node (which
will be used by the vma rework later on)
- interrupt handling rework, follow up cleanups to the VECS enabling, hpd
storm handling and fifo underrun reporting.
- Big pile of smaller cleanups, code improvements and related stuff.
* tag 'drm-intel-next-2013-07-12' of git://people.freedesktop.org/~danvet/drm-intel: (72 commits)
drm/i915: clear DPLL reg when disabling i9xx dplls
drm/i915: Fix up cpt pixel multiplier enable sequence
drm/i915: clean up vlv ->pre_pll_enable and pll enable sequence
drm/i915: move error state to own compilation unit
drm/i915: Don't attempt to read an unitialized stack value
drm/i915: Use for_each_pipe() when possible
drm/i915: don't enable PM_VEBOX_CS_ERROR_INTERRUPT
drm/i915: unify ring irq refcounts (again)
drm/i915: kill dev_priv->rps.lock
drm/i915: queue work outside spinlock in hsw_pm_irq_handler
drm/i915: streamline hsw_pm_irq_handler
drm/i915: irq handlers don't need interrupt-safe spinlocks
drm/i915: kill lpt pch transcoder->crtc mapping code for fifo underruns
drm/i915: improve GEN7_ERR_INT clearing for fifo underrun reporting
drm/i915: improve SERR_INT clearing for fifo underrun reporting
drm/i915: extract ibx_display_interrupt_update
drm/i915: remove unused members from drm_i915_private
drm/i915: don't frob mm.suspended when not using ums
drm/i915: Fix VLV DP RBR/HDMI/DAC PLL LPF coefficients
drm/i915: WARN if the bios reserved range is bigger than stolen size
...
Conflicts:
drivers/gpu/drm/i915/i915_gem.c
Diffstat (limited to 'drivers/gpu/drm/drm_mm.c')
-rw-r--r-- | drivers/gpu/drm/drm_mm.c | 31 |
1 files changed, 13 insertions, 18 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 543b9b3171d3..fe304f903b13 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -147,33 +147,27 @@ static void drm_mm_insert_helper(struct drm_mm_node *hole_node, } } -struct drm_mm_node *drm_mm_create_block(struct drm_mm *mm, - unsigned long start, - unsigned long size, - bool atomic) +int drm_mm_reserve_node(struct drm_mm *mm, struct drm_mm_node *node) { - struct drm_mm_node *hole, *node; - unsigned long end = start + size; + struct drm_mm_node *hole; + unsigned long end = node->start + node->size; unsigned long hole_start; unsigned long hole_end; + BUG_ON(node == NULL); + + /* Find the relevant hole to add our node to */ drm_mm_for_each_hole(hole, mm, hole_start, hole_end) { - if (hole_start > start || hole_end < end) + if (hole_start > node->start || hole_end < end) continue; - node = drm_mm_kmalloc(mm, atomic); - if (unlikely(node == NULL)) - return NULL; - - node->start = start; - node->size = size; node->mm = mm; node->allocated = 1; INIT_LIST_HEAD(&node->hole_stack); list_add(&node->node_list, &hole->node_list); - if (start == hole_start) { + if (node->start == hole_start) { hole->hole_follows = 0; list_del_init(&hole->hole_stack); } @@ -184,13 +178,14 @@ struct drm_mm_node *drm_mm_create_block(struct drm_mm *mm, node->hole_follows = 1; } - return node; + return 0; } - WARN(1, "no hole found for block 0x%lx + 0x%lx\n", start, size); - return NULL; + WARN(1, "no hole found for node 0x%lx + 0x%lx\n", + node->start, node->size); + return -ENOSPC; } -EXPORT_SYMBOL(drm_mm_create_block); +EXPORT_SYMBOL(drm_mm_reserve_node); struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *hole_node, unsigned long size, |