diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_lmem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_lmem.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c index eb345305dc52..444f8268b9c5 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c @@ -56,8 +56,8 @@ bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj) * @obj: The object to check. * * This function is intended to be called from within the fence signaling - * path where the fence keeps the object from being migrated. For example - * during gpu reset or similar. + * path where the fence, or a pin, keeps the object from being migrated. For + * example during gpu reset or similar. * * Return: Whether the object is resident in lmem. */ @@ -66,7 +66,8 @@ bool __i915_gem_object_is_lmem(struct drm_i915_gem_object *obj) struct intel_memory_region *mr = READ_ONCE(obj->mm.region); #ifdef CONFIG_LOCKDEP - GEM_WARN_ON(dma_resv_test_signaled(obj->base.resv, true)); + GEM_WARN_ON(dma_resv_test_signaled(obj->base.resv, true) && + i915_gem_object_evictable(obj)); #endif return mr && (mr->type == INTEL_MEMORY_LOCAL || mr->type == INTEL_MEMORY_STOLEN_LOCAL); @@ -104,6 +105,32 @@ __i915_gem_object_create_lmem_with_ps(struct drm_i915_private *i915, } struct drm_i915_gem_object * +i915_gem_object_create_lmem_from_data(struct drm_i915_private *i915, + const void *data, size_t size) +{ + struct drm_i915_gem_object *obj; + void *map; + + obj = i915_gem_object_create_lmem(i915, + round_up(size, PAGE_SIZE), + I915_BO_ALLOC_CONTIGUOUS); + if (IS_ERR(obj)) + return obj; + + map = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC); + if (IS_ERR(map)) { + i915_gem_object_put(obj); + return map; + } + + memcpy(map, data, size); + + i915_gem_object_unpin_map(obj); + + return obj; +} + +struct drm_i915_gem_object * i915_gem_object_create_lmem(struct drm_i915_private *i915, resource_size_t size, unsigned int flags) |