diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma.c | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 776f8cc51b2f..25e97031d76e 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -26,7 +26,7 @@ #include <linux/dma-fence-array.h> #include <drm/drm_gem.h> -#include "display/intel_display.h" +#include "display/intel_fb.h" #include "display/intel_frontbuffer.h" #include "gem/i915_gem_lmem.h" #include "gem/i915_gem_object_frontbuffer.h" @@ -778,8 +778,8 @@ bool i915_gem_valid_gtt_space(struct i915_vma *vma, unsigned long color) * @flags: mask of PIN_* flags to use * * First we try to allocate some free space that meets the requirements for - * the VMA. Failiing that, if the flags permit, it will evict an old VMA, - * preferrably the oldest idle entry to make room for the new VMA. + * the VMA. Failing that, if the flags permit, it will evict an old VMA, + * preferably the oldest idle entry to make room for the new VMA. * * Returns: * 0 on success, negative error code otherwise. @@ -877,7 +877,7 @@ i915_vma_insert(struct i915_vma *vma, struct i915_gem_ww_ctx *ww, * objects which need to be tightly packed into the low 32bits. * * Note that we assume that GGTT are limited to 4GiB for the - * forseeable future. See also i915_ggtt_offset(). + * foreseeable future. See also i915_ggtt_offset(). */ if (upper_32_bits(end - 1) && vma->page_sizes.sg > I915_GTT_PAGE_SIZE && @@ -1001,7 +1001,7 @@ rotate_pages(struct drm_i915_gem_object *obj, unsigned int offset, /* * The DE ignores the PTEs for the padding tiles, the sg entry - * here is just a conenience to indicate how many padding PTEs + * here is just a convenience to indicate how many padding PTEs * to insert at this spot. */ sg_set_page(sg, NULL, left, 0); @@ -1607,6 +1607,26 @@ err_rpm: return err; } +int i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags) +{ + struct i915_gem_ww_ctx ww; + int err; + + i915_gem_ww_ctx_init(&ww, true); +retry: + err = i915_gem_object_lock(vma->obj, &ww); + if (!err) + err = i915_vma_pin_ww(vma, &ww, size, alignment, flags); + if (err == -EDEADLK) { + err = i915_gem_ww_ctx_backoff(&ww); + if (!err) + goto retry; + } + i915_gem_ww_ctx_fini(&ww); + + return err; +} + static void flush_idle_contexts(struct intel_gt *gt) { struct intel_engine_cs *engine; |